mirror of
https://gitlab.freedesktop.org/wayland/weston
synced 2024-09-06 18:05:39 +00:00
![Miguel A. Vico](/assets/img/avatar_default.png)
This change adds <platform_attribs> parameter to gl_renderer_display_create() in case we ever want to pass non-NULL. Signed-off-by: Miguel A Vico Moya <mvicomoya@nvidia.com> Reviewed-by: Andy Ritger <aritger@nvidia.com> Reviewed-by: James Jones <jajones@nvidia.com> [Pekka: removed notes about EGLOutput] Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>
3293 lines
87 KiB
C
3293 lines
87 KiB
C
/*
|
|
* Copyright © 2012 Intel Corporation
|
|
* Copyright © 2015 Collabora, Ltd.
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining
|
|
* a copy of this software and associated documentation files (the
|
|
* "Software"), to deal in the Software without restriction, including
|
|
* without limitation the rights to use, copy, modify, merge, publish,
|
|
* distribute, sublicense, and/or sell copies of the Software, and to
|
|
* permit persons to whom the Software is furnished to do so, subject to
|
|
* the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice (including the
|
|
* next paragraph) shall be included in all copies or substantial
|
|
* portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
|
|
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
|
|
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
|
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
* SOFTWARE.
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include <GLES2/gl2.h>
|
|
#include <GLES2/gl2ext.h>
|
|
|
|
#include <stdbool.h>
|
|
#include <stdint.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <ctype.h>
|
|
#include <float.h>
|
|
#include <assert.h>
|
|
#include <linux/input.h>
|
|
#include <drm_fourcc.h>
|
|
|
|
#include "gl-renderer.h"
|
|
#include "vertex-clipping.h"
|
|
#include "linux-dmabuf.h"
|
|
#include "linux-dmabuf-unstable-v1-server-protocol.h"
|
|
|
|
#include "shared/helpers.h"
|
|
#include "shared/platform.h"
|
|
#include "weston-egl-ext.h"
|
|
|
|
struct gl_shader {
|
|
GLuint program;
|
|
GLuint vertex_shader, fragment_shader;
|
|
GLint proj_uniform;
|
|
GLint tex_uniforms[3];
|
|
GLint alpha_uniform;
|
|
GLint color_uniform;
|
|
const char *vertex_source, *fragment_source;
|
|
};
|
|
|
|
#define BUFFER_DAMAGE_COUNT 2
|
|
|
|
enum gl_border_status {
|
|
BORDER_STATUS_CLEAN = 0,
|
|
BORDER_TOP_DIRTY = 1 << GL_RENDERER_BORDER_TOP,
|
|
BORDER_LEFT_DIRTY = 1 << GL_RENDERER_BORDER_LEFT,
|
|
BORDER_RIGHT_DIRTY = 1 << GL_RENDERER_BORDER_RIGHT,
|
|
BORDER_BOTTOM_DIRTY = 1 << GL_RENDERER_BORDER_BOTTOM,
|
|
BORDER_ALL_DIRTY = 0xf,
|
|
BORDER_SIZE_CHANGED = 0x10
|
|
};
|
|
|
|
struct gl_border_image {
|
|
GLuint tex;
|
|
int32_t width, height;
|
|
int32_t tex_width;
|
|
void *data;
|
|
};
|
|
|
|
struct gl_output_state {
|
|
EGLSurface egl_surface;
|
|
pixman_region32_t buffer_damage[BUFFER_DAMAGE_COUNT];
|
|
int buffer_damage_index;
|
|
enum gl_border_status border_damage[BUFFER_DAMAGE_COUNT];
|
|
struct gl_border_image borders[4];
|
|
enum gl_border_status border_status;
|
|
|
|
struct weston_matrix output_matrix;
|
|
};
|
|
|
|
enum buffer_type {
|
|
BUFFER_TYPE_NULL,
|
|
BUFFER_TYPE_SOLID, /* internal solid color surfaces without a buffer */
|
|
BUFFER_TYPE_SHM,
|
|
BUFFER_TYPE_EGL
|
|
};
|
|
|
|
struct gl_renderer;
|
|
|
|
struct egl_image {
|
|
struct gl_renderer *renderer;
|
|
EGLImageKHR image;
|
|
int refcount;
|
|
};
|
|
|
|
enum import_type {
|
|
IMPORT_TYPE_INVALID,
|
|
IMPORT_TYPE_DIRECT,
|
|
IMPORT_TYPE_GL_CONVERSION
|
|
};
|
|
|
|
struct dmabuf_image {
|
|
struct linux_dmabuf_buffer *dmabuf;
|
|
int num_images;
|
|
struct egl_image *images[3];
|
|
struct wl_list link;
|
|
|
|
enum import_type import_type;
|
|
GLenum target;
|
|
struct gl_shader *shader;
|
|
};
|
|
|
|
struct yuv_plane_descriptor {
|
|
int width_divisor;
|
|
int height_divisor;
|
|
uint32_t format;
|
|
int plane_index;
|
|
};
|
|
|
|
struct yuv_format_descriptor {
|
|
uint32_t format;
|
|
int input_planes;
|
|
int output_planes;
|
|
int texture_type;
|
|
struct yuv_plane_descriptor plane[4];
|
|
};
|
|
|
|
struct gl_surface_state {
|
|
GLfloat color[4];
|
|
struct gl_shader *shader;
|
|
|
|
GLuint textures[3];
|
|
int num_textures;
|
|
bool needs_full_upload;
|
|
pixman_region32_t texture_damage;
|
|
|
|
/* These are only used by SHM surfaces to detect when we need
|
|
* to do a full upload to specify a new internal texture
|
|
* format */
|
|
GLenum gl_format[3];
|
|
GLenum gl_pixel_type;
|
|
|
|
struct egl_image* images[3];
|
|
GLenum target;
|
|
int num_images;
|
|
|
|
struct weston_buffer_reference buffer_ref;
|
|
enum buffer_type buffer_type;
|
|
int pitch; /* in pixels */
|
|
int height; /* in pixels */
|
|
int y_inverted;
|
|
|
|
/* Extension needed for SHM YUV texture */
|
|
int offset[3]; /* offset per plane */
|
|
int hvsub[3]; /* horizontal vertical subsampling per plane */
|
|
|
|
struct weston_surface *surface;
|
|
|
|
struct wl_listener surface_destroy_listener;
|
|
struct wl_listener renderer_destroy_listener;
|
|
};
|
|
|
|
struct gl_renderer {
|
|
struct weston_renderer base;
|
|
int fragment_shader_debug;
|
|
int fan_debug;
|
|
struct weston_binding *fragment_binding;
|
|
struct weston_binding *fan_binding;
|
|
|
|
EGLDisplay egl_display;
|
|
EGLContext egl_context;
|
|
EGLConfig egl_config;
|
|
|
|
EGLSurface dummy_surface;
|
|
|
|
struct wl_array vertices;
|
|
struct wl_array vtxcnt;
|
|
|
|
PFNGLEGLIMAGETARGETTEXTURE2DOESPROC image_target_texture_2d;
|
|
PFNEGLCREATEIMAGEKHRPROC create_image;
|
|
PFNEGLDESTROYIMAGEKHRPROC destroy_image;
|
|
PFNEGLSWAPBUFFERSWITHDAMAGEEXTPROC swap_buffers_with_damage;
|
|
PFNEGLCREATEPLATFORMWINDOWSURFACEEXTPROC create_platform_window;
|
|
|
|
int has_unpack_subimage;
|
|
|
|
PFNEGLBINDWAYLANDDISPLAYWL bind_display;
|
|
PFNEGLUNBINDWAYLANDDISPLAYWL unbind_display;
|
|
PFNEGLQUERYWAYLANDBUFFERWL query_buffer;
|
|
int has_bind_display;
|
|
|
|
int has_egl_image_external;
|
|
|
|
int has_egl_buffer_age;
|
|
|
|
int has_configless_context;
|
|
|
|
int has_surfaceless_context;
|
|
|
|
int has_dmabuf_import;
|
|
struct wl_list dmabuf_images;
|
|
|
|
int has_gl_texture_rg;
|
|
|
|
struct gl_shader texture_shader_rgba;
|
|
struct gl_shader texture_shader_rgbx;
|
|
struct gl_shader texture_shader_egl_external;
|
|
struct gl_shader texture_shader_y_uv;
|
|
struct gl_shader texture_shader_y_u_v;
|
|
struct gl_shader texture_shader_y_xuxv;
|
|
struct gl_shader invert_color_shader;
|
|
struct gl_shader solid_shader;
|
|
struct gl_shader *current_shader;
|
|
|
|
struct wl_signal destroy_signal;
|
|
|
|
struct wl_listener output_destroy_listener;
|
|
};
|
|
|
|
static PFNEGLGETPLATFORMDISPLAYEXTPROC get_platform_display = NULL;
|
|
|
|
static inline const char *
|
|
dump_format(uint32_t format, char out[4])
|
|
{
|
|
#if BYTE_ORDER == BIG_ENDIAN
|
|
format = __builtin_bswap32(format);
|
|
#endif
|
|
memcpy(out, &format, 4);
|
|
return out;
|
|
}
|
|
|
|
static inline struct gl_output_state *
|
|
get_output_state(struct weston_output *output)
|
|
{
|
|
return (struct gl_output_state *)output->renderer_state;
|
|
}
|
|
|
|
static int
|
|
gl_renderer_create_surface(struct weston_surface *surface);
|
|
|
|
static inline struct gl_surface_state *
|
|
get_surface_state(struct weston_surface *surface)
|
|
{
|
|
if (!surface->renderer_state)
|
|
gl_renderer_create_surface(surface);
|
|
|
|
return (struct gl_surface_state *)surface->renderer_state;
|
|
}
|
|
|
|
static inline struct gl_renderer *
|
|
get_renderer(struct weston_compositor *ec)
|
|
{
|
|
return (struct gl_renderer *)ec->renderer;
|
|
}
|
|
|
|
static struct egl_image*
|
|
egl_image_create(struct gl_renderer *gr, EGLenum target,
|
|
EGLClientBuffer buffer, const EGLint *attribs)
|
|
{
|
|
struct egl_image *img;
|
|
|
|
img = zalloc(sizeof *img);
|
|
img->renderer = gr;
|
|
img->refcount = 1;
|
|
img->image = gr->create_image(gr->egl_display, EGL_NO_CONTEXT,
|
|
target, buffer, attribs);
|
|
|
|
if (img->image == EGL_NO_IMAGE_KHR) {
|
|
free(img);
|
|
return NULL;
|
|
}
|
|
|
|
return img;
|
|
}
|
|
|
|
static struct egl_image*
|
|
egl_image_ref(struct egl_image *image)
|
|
{
|
|
image->refcount++;
|
|
|
|
return image;
|
|
}
|
|
|
|
static int
|
|
egl_image_unref(struct egl_image *image)
|
|
{
|
|
struct gl_renderer *gr = image->renderer;
|
|
|
|
assert(image->refcount > 0);
|
|
|
|
image->refcount--;
|
|
if (image->refcount > 0)
|
|
return image->refcount;
|
|
|
|
gr->destroy_image(gr->egl_display, image->image);
|
|
free(image);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct dmabuf_image*
|
|
dmabuf_image_create(void)
|
|
{
|
|
struct dmabuf_image *img;
|
|
|
|
img = zalloc(sizeof *img);
|
|
wl_list_init(&img->link);
|
|
|
|
return img;
|
|
}
|
|
|
|
static void
|
|
dmabuf_image_destroy(struct dmabuf_image *image)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < image->num_images; ++i)
|
|
egl_image_unref(image->images[i]);
|
|
|
|
if (image->dmabuf)
|
|
linux_dmabuf_buffer_set_user_data(image->dmabuf, NULL, NULL);
|
|
|
|
wl_list_remove(&image->link);
|
|
}
|
|
|
|
static const char *
|
|
egl_error_string(EGLint code)
|
|
{
|
|
#define MYERRCODE(x) case x: return #x;
|
|
switch (code) {
|
|
MYERRCODE(EGL_SUCCESS)
|
|
MYERRCODE(EGL_NOT_INITIALIZED)
|
|
MYERRCODE(EGL_BAD_ACCESS)
|
|
MYERRCODE(EGL_BAD_ALLOC)
|
|
MYERRCODE(EGL_BAD_ATTRIBUTE)
|
|
MYERRCODE(EGL_BAD_CONTEXT)
|
|
MYERRCODE(EGL_BAD_CONFIG)
|
|
MYERRCODE(EGL_BAD_CURRENT_SURFACE)
|
|
MYERRCODE(EGL_BAD_DISPLAY)
|
|
MYERRCODE(EGL_BAD_SURFACE)
|
|
MYERRCODE(EGL_BAD_MATCH)
|
|
MYERRCODE(EGL_BAD_PARAMETER)
|
|
MYERRCODE(EGL_BAD_NATIVE_PIXMAP)
|
|
MYERRCODE(EGL_BAD_NATIVE_WINDOW)
|
|
MYERRCODE(EGL_CONTEXT_LOST)
|
|
default:
|
|
return "unknown";
|
|
}
|
|
#undef MYERRCODE
|
|
}
|
|
|
|
static void
|
|
gl_renderer_print_egl_error_state(void)
|
|
{
|
|
EGLint code;
|
|
|
|
code = eglGetError();
|
|
weston_log("EGL error state: %s (0x%04lx)\n",
|
|
egl_error_string(code), (long)code);
|
|
}
|
|
|
|
#define max(a, b) (((a) > (b)) ? (a) : (b))
|
|
#define min(a, b) (((a) > (b)) ? (b) : (a))
|
|
|
|
/*
|
|
* Compute the boundary vertices of the intersection of the global coordinate
|
|
* aligned rectangle 'rect', and an arbitrary quadrilateral produced from
|
|
* 'surf_rect' when transformed from surface coordinates into global coordinates.
|
|
* The vertices are written to 'ex' and 'ey', and the return value is the
|
|
* number of vertices. Vertices are produced in clockwise winding order.
|
|
* Guarantees to produce either zero vertices, or 3-8 vertices with non-zero
|
|
* polygon area.
|
|
*/
|
|
static int
|
|
calculate_edges(struct weston_view *ev, pixman_box32_t *rect,
|
|
pixman_box32_t *surf_rect, GLfloat *ex, GLfloat *ey)
|
|
{
|
|
|
|
struct clip_context ctx;
|
|
int i, n;
|
|
GLfloat min_x, max_x, min_y, max_y;
|
|
struct polygon8 surf = {
|
|
{ surf_rect->x1, surf_rect->x2, surf_rect->x2, surf_rect->x1 },
|
|
{ surf_rect->y1, surf_rect->y1, surf_rect->y2, surf_rect->y2 },
|
|
4
|
|
};
|
|
|
|
ctx.clip.x1 = rect->x1;
|
|
ctx.clip.y1 = rect->y1;
|
|
ctx.clip.x2 = rect->x2;
|
|
ctx.clip.y2 = rect->y2;
|
|
|
|
/* transform surface to screen space: */
|
|
for (i = 0; i < surf.n; i++)
|
|
weston_view_to_global_float(ev, surf.x[i], surf.y[i],
|
|
&surf.x[i], &surf.y[i]);
|
|
|
|
/* find bounding box: */
|
|
min_x = max_x = surf.x[0];
|
|
min_y = max_y = surf.y[0];
|
|
|
|
for (i = 1; i < surf.n; i++) {
|
|
min_x = min(min_x, surf.x[i]);
|
|
max_x = max(max_x, surf.x[i]);
|
|
min_y = min(min_y, surf.y[i]);
|
|
max_y = max(max_y, surf.y[i]);
|
|
}
|
|
|
|
/* First, simple bounding box check to discard early transformed
|
|
* surface rects that do not intersect with the clip region:
|
|
*/
|
|
if ((min_x >= ctx.clip.x2) || (max_x <= ctx.clip.x1) ||
|
|
(min_y >= ctx.clip.y2) || (max_y <= ctx.clip.y1))
|
|
return 0;
|
|
|
|
/* Simple case, bounding box edges are parallel to surface edges,
|
|
* there will be only four edges. We just need to clip the surface
|
|
* vertices to the clip rect bounds:
|
|
*/
|
|
if (!ev->transform.enabled)
|
|
return clip_simple(&ctx, &surf, ex, ey);
|
|
|
|
/* Transformed case: use a general polygon clipping algorithm to
|
|
* clip the surface rectangle with each side of 'rect'.
|
|
* The algorithm is Sutherland-Hodgman, as explained in
|
|
* http://www.codeguru.com/cpp/misc/misc/graphics/article.php/c8965/Polygon-Clipping.htm
|
|
* but without looking at any of that code.
|
|
*/
|
|
n = clip_transformed(&ctx, &surf, ex, ey);
|
|
|
|
if (n < 3)
|
|
return 0;
|
|
|
|
return n;
|
|
}
|
|
|
|
static bool
|
|
merge_down(pixman_box32_t *a, pixman_box32_t *b, pixman_box32_t *merge)
|
|
{
|
|
if (a->x1 == b->x1 && a->x2 == b->x2 && a->y1 == b->y2) {
|
|
merge->x1 = a->x1;
|
|
merge->x2 = a->x2;
|
|
merge->y1 = b->y1;
|
|
merge->y2 = a->y2;
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
static int
|
|
compress_bands(pixman_box32_t *inrects, int nrects,
|
|
pixman_box32_t **outrects)
|
|
{
|
|
bool merged = false;
|
|
pixman_box32_t *out, merge_rect;
|
|
int i, j, nout;
|
|
|
|
if (!nrects) {
|
|
*outrects = NULL;
|
|
return 0;
|
|
}
|
|
|
|
/* nrects is an upper bound - we're not too worried about
|
|
* allocating a little extra
|
|
*/
|
|
out = malloc(sizeof(pixman_box32_t) * nrects);
|
|
out[0] = inrects[0];
|
|
nout = 1;
|
|
for (i = 1; i < nrects; i++) {
|
|
for (j = 0; j < nout; j++) {
|
|
merged = merge_down(&inrects[i], &out[j], &merge_rect);
|
|
if (merged) {
|
|
out[j] = merge_rect;
|
|
break;
|
|
}
|
|
}
|
|
if (!merged) {
|
|
out[nout] = inrects[i];
|
|
nout++;
|
|
}
|
|
}
|
|
*outrects = out;
|
|
return nout;
|
|
}
|
|
|
|
static int
|
|
texture_region(struct weston_view *ev, pixman_region32_t *region,
|
|
pixman_region32_t *surf_region)
|
|
{
|
|
struct gl_surface_state *gs = get_surface_state(ev->surface);
|
|
struct weston_compositor *ec = ev->surface->compositor;
|
|
struct gl_renderer *gr = get_renderer(ec);
|
|
GLfloat *v, inv_width, inv_height;
|
|
unsigned int *vtxcnt, nvtx = 0;
|
|
pixman_box32_t *rects, *surf_rects;
|
|
pixman_box32_t *raw_rects;
|
|
int i, j, k, nrects, nsurf, raw_nrects;
|
|
bool used_band_compression;
|
|
raw_rects = pixman_region32_rectangles(region, &raw_nrects);
|
|
surf_rects = pixman_region32_rectangles(surf_region, &nsurf);
|
|
|
|
if (raw_nrects < 4) {
|
|
used_band_compression = false;
|
|
nrects = raw_nrects;
|
|
rects = raw_rects;
|
|
} else {
|
|
nrects = compress_bands(raw_rects, raw_nrects, &rects);
|
|
used_band_compression = true;
|
|
}
|
|
/* worst case we can have 8 vertices per rect (ie. clipped into
|
|
* an octagon):
|
|
*/
|
|
v = wl_array_add(&gr->vertices, nrects * nsurf * 8 * 4 * sizeof *v);
|
|
vtxcnt = wl_array_add(&gr->vtxcnt, nrects * nsurf * sizeof *vtxcnt);
|
|
|
|
inv_width = 1.0 / gs->pitch;
|
|
inv_height = 1.0 / gs->height;
|
|
|
|
for (i = 0; i < nrects; i++) {
|
|
pixman_box32_t *rect = &rects[i];
|
|
for (j = 0; j < nsurf; j++) {
|
|
pixman_box32_t *surf_rect = &surf_rects[j];
|
|
GLfloat sx, sy, bx, by;
|
|
GLfloat ex[8], ey[8]; /* edge points in screen space */
|
|
int n;
|
|
|
|
/* The transformed surface, after clipping to the clip region,
|
|
* can have as many as eight sides, emitted as a triangle-fan.
|
|
* The first vertex in the triangle fan can be chosen arbitrarily,
|
|
* since the area is guaranteed to be convex.
|
|
*
|
|
* If a corner of the transformed surface falls outside of the
|
|
* clip region, instead of emitting one vertex for the corner
|
|
* of the surface, up to two are emitted for two corresponding
|
|
* intersection point(s) between the surface and the clip region.
|
|
*
|
|
* To do this, we first calculate the (up to eight) points that
|
|
* form the intersection of the clip rect and the transformed
|
|
* surface.
|
|
*/
|
|
n = calculate_edges(ev, rect, surf_rect, ex, ey);
|
|
if (n < 3)
|
|
continue;
|
|
|
|
/* emit edge points: */
|
|
for (k = 0; k < n; k++) {
|
|
weston_view_from_global_float(ev, ex[k], ey[k],
|
|
&sx, &sy);
|
|
/* position: */
|
|
*(v++) = ex[k];
|
|
*(v++) = ey[k];
|
|
/* texcoord: */
|
|
weston_surface_to_buffer_float(ev->surface,
|
|
sx, sy,
|
|
&bx, &by);
|
|
*(v++) = bx * inv_width;
|
|
if (gs->y_inverted) {
|
|
*(v++) = by * inv_height;
|
|
} else {
|
|
*(v++) = (gs->height - by) * inv_height;
|
|
}
|
|
}
|
|
|
|
vtxcnt[nvtx++] = n;
|
|
}
|
|
}
|
|
|
|
if (used_band_compression)
|
|
free(rects);
|
|
return nvtx;
|
|
}
|
|
|
|
static void
|
|
triangle_fan_debug(struct weston_view *view, int first, int count)
|
|
{
|
|
struct weston_compositor *compositor = view->surface->compositor;
|
|
struct gl_renderer *gr = get_renderer(compositor);
|
|
int i;
|
|
GLushort *buffer;
|
|
GLushort *index;
|
|
int nelems;
|
|
static int color_idx = 0;
|
|
static const GLfloat color[][4] = {
|
|
{ 1.0, 0.0, 0.0, 1.0 },
|
|
{ 0.0, 1.0, 0.0, 1.0 },
|
|
{ 0.0, 0.0, 1.0, 1.0 },
|
|
{ 1.0, 1.0, 1.0, 1.0 },
|
|
};
|
|
|
|
nelems = (count - 1 + count - 2) * 2;
|
|
|
|
buffer = malloc(sizeof(GLushort) * nelems);
|
|
index = buffer;
|
|
|
|
for (i = 1; i < count; i++) {
|
|
*index++ = first;
|
|
*index++ = first + i;
|
|
}
|
|
|
|
for (i = 2; i < count; i++) {
|
|
*index++ = first + i - 1;
|
|
*index++ = first + i;
|
|
}
|
|
|
|
glUseProgram(gr->solid_shader.program);
|
|
glUniform4fv(gr->solid_shader.color_uniform, 1,
|
|
color[color_idx++ % ARRAY_LENGTH(color)]);
|
|
glDrawElements(GL_LINES, nelems, GL_UNSIGNED_SHORT, buffer);
|
|
glUseProgram(gr->current_shader->program);
|
|
free(buffer);
|
|
}
|
|
|
|
static void
|
|
repaint_region(struct weston_view *ev, pixman_region32_t *region,
|
|
pixman_region32_t *surf_region)
|
|
{
|
|
struct weston_compositor *ec = ev->surface->compositor;
|
|
struct gl_renderer *gr = get_renderer(ec);
|
|
GLfloat *v;
|
|
unsigned int *vtxcnt;
|
|
int i, first, nfans;
|
|
|
|
/* The final region to be painted is the intersection of
|
|
* 'region' and 'surf_region'. However, 'region' is in the global
|
|
* coordinates, and 'surf_region' is in the surface-local
|
|
* coordinates. texture_region() will iterate over all pairs of
|
|
* rectangles from both regions, compute the intersection
|
|
* polygon for each pair, and store it as a triangle fan if
|
|
* it has a non-zero area (at least 3 vertices, actually).
|
|
*/
|
|
nfans = texture_region(ev, region, surf_region);
|
|
|
|
v = gr->vertices.data;
|
|
vtxcnt = gr->vtxcnt.data;
|
|
|
|
/* position: */
|
|
glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 4 * sizeof *v, &v[0]);
|
|
glEnableVertexAttribArray(0);
|
|
|
|
/* texcoord: */
|
|
glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 4 * sizeof *v, &v[2]);
|
|
glEnableVertexAttribArray(1);
|
|
|
|
for (i = 0, first = 0; i < nfans; i++) {
|
|
glDrawArrays(GL_TRIANGLE_FAN, first, vtxcnt[i]);
|
|
if (gr->fan_debug)
|
|
triangle_fan_debug(ev, first, vtxcnt[i]);
|
|
first += vtxcnt[i];
|
|
}
|
|
|
|
glDisableVertexAttribArray(1);
|
|
glDisableVertexAttribArray(0);
|
|
|
|
gr->vertices.size = 0;
|
|
gr->vtxcnt.size = 0;
|
|
}
|
|
|
|
static int
|
|
use_output(struct weston_output *output)
|
|
{
|
|
static int errored;
|
|
struct gl_output_state *go = get_output_state(output);
|
|
struct gl_renderer *gr = get_renderer(output->compositor);
|
|
EGLBoolean ret;
|
|
|
|
ret = eglMakeCurrent(gr->egl_display, go->egl_surface,
|
|
go->egl_surface, gr->egl_context);
|
|
|
|
if (ret == EGL_FALSE) {
|
|
if (errored)
|
|
return -1;
|
|
errored = 1;
|
|
weston_log("Failed to make EGL context current.\n");
|
|
gl_renderer_print_egl_error_state();
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
shader_init(struct gl_shader *shader, struct gl_renderer *gr,
|
|
const char *vertex_source, const char *fragment_source);
|
|
|
|
static void
|
|
use_shader(struct gl_renderer *gr, struct gl_shader *shader)
|
|
{
|
|
if (!shader->program) {
|
|
int ret;
|
|
|
|
ret = shader_init(shader, gr,
|
|
shader->vertex_source,
|
|
shader->fragment_source);
|
|
|
|
if (ret < 0)
|
|
weston_log("warning: failed to compile shader\n");
|
|
}
|
|
|
|
if (gr->current_shader == shader)
|
|
return;
|
|
glUseProgram(shader->program);
|
|
gr->current_shader = shader;
|
|
}
|
|
|
|
static void
|
|
shader_uniforms(struct gl_shader *shader,
|
|
struct weston_view *view,
|
|
struct weston_output *output)
|
|
{
|
|
int i;
|
|
struct gl_surface_state *gs = get_surface_state(view->surface);
|
|
struct gl_output_state *go = get_output_state(output);
|
|
|
|
glUniformMatrix4fv(shader->proj_uniform,
|
|
1, GL_FALSE, go->output_matrix.d);
|
|
glUniform4fv(shader->color_uniform, 1, gs->color);
|
|
glUniform1f(shader->alpha_uniform, view->alpha);
|
|
|
|
for (i = 0; i < gs->num_textures; i++)
|
|
glUniform1i(shader->tex_uniforms[i], i);
|
|
}
|
|
|
|
static void
|
|
draw_view(struct weston_view *ev, struct weston_output *output,
|
|
pixman_region32_t *damage) /* in global coordinates */
|
|
{
|
|
struct weston_compositor *ec = ev->surface->compositor;
|
|
struct gl_renderer *gr = get_renderer(ec);
|
|
struct gl_surface_state *gs = get_surface_state(ev->surface);
|
|
/* repaint bounding region in global coordinates: */
|
|
pixman_region32_t repaint;
|
|
/* opaque region in surface coordinates: */
|
|
pixman_region32_t surface_opaque;
|
|
/* non-opaque region in surface coordinates: */
|
|
pixman_region32_t surface_blend;
|
|
GLint filter;
|
|
int i;
|
|
|
|
/* In case of a runtime switch of renderers, we may not have received
|
|
* an attach for this surface since the switch. In that case we don't
|
|
* have a valid buffer or a proper shader set up so skip rendering. */
|
|
if (!gs->shader)
|
|
return;
|
|
|
|
pixman_region32_init(&repaint);
|
|
pixman_region32_intersect(&repaint,
|
|
&ev->transform.boundingbox, damage);
|
|
pixman_region32_subtract(&repaint, &repaint, &ev->clip);
|
|
|
|
if (!pixman_region32_not_empty(&repaint))
|
|
goto out;
|
|
|
|
glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
|
|
|
|
if (gr->fan_debug) {
|
|
use_shader(gr, &gr->solid_shader);
|
|
shader_uniforms(&gr->solid_shader, ev, output);
|
|
}
|
|
|
|
use_shader(gr, gs->shader);
|
|
shader_uniforms(gs->shader, ev, output);
|
|
|
|
if (ev->transform.enabled || output->zoom.active ||
|
|
output->current_scale != ev->surface->buffer_viewport.buffer.scale)
|
|
filter = GL_LINEAR;
|
|
else
|
|
filter = GL_NEAREST;
|
|
|
|
for (i = 0; i < gs->num_textures; i++) {
|
|
glActiveTexture(GL_TEXTURE0 + i);
|
|
glBindTexture(gs->target, gs->textures[i]);
|
|
glTexParameteri(gs->target, GL_TEXTURE_MIN_FILTER, filter);
|
|
glTexParameteri(gs->target, GL_TEXTURE_MAG_FILTER, filter);
|
|
}
|
|
|
|
/* blended region is whole surface minus opaque region: */
|
|
pixman_region32_init_rect(&surface_blend, 0, 0,
|
|
ev->surface->width, ev->surface->height);
|
|
if (ev->geometry.scissor_enabled)
|
|
pixman_region32_intersect(&surface_blend, &surface_blend,
|
|
&ev->geometry.scissor);
|
|
pixman_region32_subtract(&surface_blend, &surface_blend,
|
|
&ev->surface->opaque);
|
|
|
|
/* XXX: Should we be using ev->transform.opaque here? */
|
|
pixman_region32_init(&surface_opaque);
|
|
if (ev->geometry.scissor_enabled)
|
|
pixman_region32_intersect(&surface_opaque,
|
|
&ev->surface->opaque,
|
|
&ev->geometry.scissor);
|
|
else
|
|
pixman_region32_copy(&surface_opaque, &ev->surface->opaque);
|
|
|
|
if (pixman_region32_not_empty(&surface_opaque)) {
|
|
if (gs->shader == &gr->texture_shader_rgba) {
|
|
/* Special case for RGBA textures with possibly
|
|
* bad data in alpha channel: use the shader
|
|
* that forces texture alpha = 1.0.
|
|
* Xwayland surfaces need this.
|
|
*/
|
|
use_shader(gr, &gr->texture_shader_rgbx);
|
|
shader_uniforms(&gr->texture_shader_rgbx, ev, output);
|
|
}
|
|
|
|
if (ev->alpha < 1.0)
|
|
glEnable(GL_BLEND);
|
|
else
|
|
glDisable(GL_BLEND);
|
|
|
|
repaint_region(ev, &repaint, &surface_opaque);
|
|
}
|
|
|
|
if (pixman_region32_not_empty(&surface_blend)) {
|
|
use_shader(gr, gs->shader);
|
|
glEnable(GL_BLEND);
|
|
repaint_region(ev, &repaint, &surface_blend);
|
|
}
|
|
|
|
pixman_region32_fini(&surface_blend);
|
|
pixman_region32_fini(&surface_opaque);
|
|
|
|
out:
|
|
pixman_region32_fini(&repaint);
|
|
}
|
|
|
|
static void
|
|
repaint_views(struct weston_output *output, pixman_region32_t *damage)
|
|
{
|
|
struct weston_compositor *compositor = output->compositor;
|
|
struct weston_view *view;
|
|
|
|
wl_list_for_each_reverse(view, &compositor->view_list, link)
|
|
if (view->plane == &compositor->primary_plane)
|
|
draw_view(view, output, damage);
|
|
}
|
|
|
|
static void
|
|
draw_output_border_texture(struct gl_output_state *go,
|
|
enum gl_renderer_border_side side,
|
|
int32_t x, int32_t y,
|
|
int32_t width, int32_t height)
|
|
{
|
|
struct gl_border_image *img = &go->borders[side];
|
|
static GLushort indices [] = { 0, 1, 3, 3, 1, 2 };
|
|
|
|
if (!img->data) {
|
|
if (img->tex) {
|
|
glDeleteTextures(1, &img->tex);
|
|
img->tex = 0;
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
if (!img->tex) {
|
|
glGenTextures(1, &img->tex);
|
|
glBindTexture(GL_TEXTURE_2D, img->tex);
|
|
|
|
glTexParameteri(GL_TEXTURE_2D,
|
|
GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
|
|
glTexParameteri(GL_TEXTURE_2D,
|
|
GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
|
|
glTexParameteri(GL_TEXTURE_2D,
|
|
GL_TEXTURE_MIN_FILTER, GL_NEAREST);
|
|
glTexParameteri(GL_TEXTURE_2D,
|
|
GL_TEXTURE_MAG_FILTER, GL_NEAREST);
|
|
} else {
|
|
glBindTexture(GL_TEXTURE_2D, img->tex);
|
|
}
|
|
|
|
if (go->border_status & (1 << side)) {
|
|
glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT, 0);
|
|
glPixelStorei(GL_UNPACK_SKIP_PIXELS_EXT, 0);
|
|
glPixelStorei(GL_UNPACK_SKIP_ROWS_EXT, 0);
|
|
glTexImage2D(GL_TEXTURE_2D, 0, GL_BGRA_EXT,
|
|
img->tex_width, img->height, 0,
|
|
GL_BGRA_EXT, GL_UNSIGNED_BYTE, img->data);
|
|
}
|
|
|
|
GLfloat texcoord[] = {
|
|
0.0f, 0.0f,
|
|
(GLfloat)img->width / (GLfloat)img->tex_width, 0.0f,
|
|
(GLfloat)img->width / (GLfloat)img->tex_width, 1.0f,
|
|
0.0f, 1.0f,
|
|
};
|
|
|
|
GLfloat verts[] = {
|
|
x, y,
|
|
x + width, y,
|
|
x + width, y + height,
|
|
x, y + height
|
|
};
|
|
|
|
glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 0, verts);
|
|
glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 0, texcoord);
|
|
glEnableVertexAttribArray(0);
|
|
glEnableVertexAttribArray(1);
|
|
|
|
glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_SHORT, indices);
|
|
|
|
glDisableVertexAttribArray(1);
|
|
glDisableVertexAttribArray(0);
|
|
}
|
|
|
|
static int
|
|
output_has_borders(struct weston_output *output)
|
|
{
|
|
struct gl_output_state *go = get_output_state(output);
|
|
|
|
return go->borders[GL_RENDERER_BORDER_TOP].data ||
|
|
go->borders[GL_RENDERER_BORDER_RIGHT].data ||
|
|
go->borders[GL_RENDERER_BORDER_BOTTOM].data ||
|
|
go->borders[GL_RENDERER_BORDER_LEFT].data;
|
|
}
|
|
|
|
static void
|
|
draw_output_borders(struct weston_output *output,
|
|
enum gl_border_status border_status)
|
|
{
|
|
struct gl_output_state *go = get_output_state(output);
|
|
struct gl_renderer *gr = get_renderer(output->compositor);
|
|
struct gl_shader *shader = &gr->texture_shader_rgba;
|
|
struct gl_border_image *top, *bottom, *left, *right;
|
|
struct weston_matrix matrix;
|
|
int full_width, full_height;
|
|
|
|
if (border_status == BORDER_STATUS_CLEAN)
|
|
return; /* Clean. Nothing to do. */
|
|
|
|
top = &go->borders[GL_RENDERER_BORDER_TOP];
|
|
bottom = &go->borders[GL_RENDERER_BORDER_BOTTOM];
|
|
left = &go->borders[GL_RENDERER_BORDER_LEFT];
|
|
right = &go->borders[GL_RENDERER_BORDER_RIGHT];
|
|
|
|
full_width = output->current_mode->width + left->width + right->width;
|
|
full_height = output->current_mode->height + top->height + bottom->height;
|
|
|
|
glDisable(GL_BLEND);
|
|
use_shader(gr, shader);
|
|
|
|
glViewport(0, 0, full_width, full_height);
|
|
|
|
weston_matrix_init(&matrix);
|
|
weston_matrix_translate(&matrix, -full_width/2.0, -full_height/2.0, 0);
|
|
weston_matrix_scale(&matrix, 2.0/full_width, -2.0/full_height, 1);
|
|
glUniformMatrix4fv(shader->proj_uniform, 1, GL_FALSE, matrix.d);
|
|
|
|
glUniform1i(shader->tex_uniforms[0], 0);
|
|
glUniform1f(shader->alpha_uniform, 1);
|
|
glActiveTexture(GL_TEXTURE0);
|
|
|
|
if (border_status & BORDER_TOP_DIRTY)
|
|
draw_output_border_texture(go, GL_RENDERER_BORDER_TOP,
|
|
0, 0,
|
|
full_width, top->height);
|
|
if (border_status & BORDER_LEFT_DIRTY)
|
|
draw_output_border_texture(go, GL_RENDERER_BORDER_LEFT,
|
|
0, top->height,
|
|
left->width, output->current_mode->height);
|
|
if (border_status & BORDER_RIGHT_DIRTY)
|
|
draw_output_border_texture(go, GL_RENDERER_BORDER_RIGHT,
|
|
full_width - right->width, top->height,
|
|
right->width, output->current_mode->height);
|
|
if (border_status & BORDER_BOTTOM_DIRTY)
|
|
draw_output_border_texture(go, GL_RENDERER_BORDER_BOTTOM,
|
|
0, full_height - bottom->height,
|
|
full_width, bottom->height);
|
|
}
|
|
|
|
static void
|
|
output_get_border_damage(struct weston_output *output,
|
|
enum gl_border_status border_status,
|
|
pixman_region32_t *damage)
|
|
{
|
|
struct gl_output_state *go = get_output_state(output);
|
|
struct gl_border_image *top, *bottom, *left, *right;
|
|
int full_width, full_height;
|
|
|
|
if (border_status == BORDER_STATUS_CLEAN)
|
|
return; /* Clean. Nothing to do. */
|
|
|
|
top = &go->borders[GL_RENDERER_BORDER_TOP];
|
|
bottom = &go->borders[GL_RENDERER_BORDER_BOTTOM];
|
|
left = &go->borders[GL_RENDERER_BORDER_LEFT];
|
|
right = &go->borders[GL_RENDERER_BORDER_RIGHT];
|
|
|
|
full_width = output->current_mode->width + left->width + right->width;
|
|
full_height = output->current_mode->height + top->height + bottom->height;
|
|
if (border_status & BORDER_TOP_DIRTY)
|
|
pixman_region32_union_rect(damage, damage,
|
|
0, 0,
|
|
full_width, top->height);
|
|
if (border_status & BORDER_LEFT_DIRTY)
|
|
pixman_region32_union_rect(damage, damage,
|
|
0, top->height,
|
|
left->width, output->current_mode->height);
|
|
if (border_status & BORDER_RIGHT_DIRTY)
|
|
pixman_region32_union_rect(damage, damage,
|
|
full_width - right->width, top->height,
|
|
right->width, output->current_mode->height);
|
|
if (border_status & BORDER_BOTTOM_DIRTY)
|
|
pixman_region32_union_rect(damage, damage,
|
|
0, full_height - bottom->height,
|
|
full_width, bottom->height);
|
|
}
|
|
|
|
static void
|
|
output_get_damage(struct weston_output *output,
|
|
pixman_region32_t *buffer_damage, uint32_t *border_damage)
|
|
{
|
|
struct gl_output_state *go = get_output_state(output);
|
|
struct gl_renderer *gr = get_renderer(output->compositor);
|
|
EGLint buffer_age = 0;
|
|
EGLBoolean ret;
|
|
int i;
|
|
|
|
if (gr->has_egl_buffer_age) {
|
|
ret = eglQuerySurface(gr->egl_display, go->egl_surface,
|
|
EGL_BUFFER_AGE_EXT, &buffer_age);
|
|
if (ret == EGL_FALSE) {
|
|
weston_log("buffer age query failed.\n");
|
|
gl_renderer_print_egl_error_state();
|
|
}
|
|
}
|
|
|
|
if (buffer_age == 0 || buffer_age - 1 > BUFFER_DAMAGE_COUNT) {
|
|
pixman_region32_copy(buffer_damage, &output->region);
|
|
*border_damage = BORDER_ALL_DIRTY;
|
|
} else {
|
|
for (i = 0; i < buffer_age - 1; i++)
|
|
*border_damage |= go->border_damage[(go->buffer_damage_index + i) % BUFFER_DAMAGE_COUNT];
|
|
|
|
if (*border_damage & BORDER_SIZE_CHANGED) {
|
|
/* If we've had a resize, we have to do a full
|
|
* repaint. */
|
|
*border_damage |= BORDER_ALL_DIRTY;
|
|
pixman_region32_copy(buffer_damage, &output->region);
|
|
} else {
|
|
for (i = 0; i < buffer_age - 1; i++)
|
|
pixman_region32_union(buffer_damage,
|
|
buffer_damage,
|
|
&go->buffer_damage[(go->buffer_damage_index + i) % BUFFER_DAMAGE_COUNT]);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
output_rotate_damage(struct weston_output *output,
|
|
pixman_region32_t *output_damage,
|
|
enum gl_border_status border_status)
|
|
{
|
|
struct gl_output_state *go = get_output_state(output);
|
|
struct gl_renderer *gr = get_renderer(output->compositor);
|
|
|
|
if (!gr->has_egl_buffer_age)
|
|
return;
|
|
|
|
go->buffer_damage_index += BUFFER_DAMAGE_COUNT - 1;
|
|
go->buffer_damage_index %= BUFFER_DAMAGE_COUNT;
|
|
|
|
pixman_region32_copy(&go->buffer_damage[go->buffer_damage_index], output_damage);
|
|
go->border_damage[go->buffer_damage_index] = border_status;
|
|
}
|
|
|
|
/* NOTE: We now allow falling back to ARGB gl visuals when XRGB is
|
|
* unavailable, so we're assuming the background has no transparency
|
|
* and that everything with a blend, like drop shadows, will have something
|
|
* opaque (like the background) drawn underneath it.
|
|
*
|
|
* Depending on the underlying hardware, violating that assumption could
|
|
* result in seeing through to another display plane.
|
|
*/
|
|
static void
|
|
gl_renderer_repaint_output(struct weston_output *output,
|
|
pixman_region32_t *output_damage)
|
|
{
|
|
struct gl_output_state *go = get_output_state(output);
|
|
struct weston_compositor *compositor = output->compositor;
|
|
struct gl_renderer *gr = get_renderer(compositor);
|
|
EGLBoolean ret;
|
|
static int errored;
|
|
int i, nrects, buffer_height;
|
|
EGLint *egl_damage, *d;
|
|
pixman_box32_t *rects;
|
|
pixman_region32_t buffer_damage, total_damage;
|
|
enum gl_border_status border_damage = BORDER_STATUS_CLEAN;
|
|
|
|
if (use_output(output) < 0)
|
|
return;
|
|
|
|
/* Calculate the viewport */
|
|
glViewport(go->borders[GL_RENDERER_BORDER_LEFT].width,
|
|
go->borders[GL_RENDERER_BORDER_BOTTOM].height,
|
|
output->current_mode->width,
|
|
output->current_mode->height);
|
|
|
|
/* Calculate the global GL matrix */
|
|
go->output_matrix = output->matrix;
|
|
weston_matrix_translate(&go->output_matrix,
|
|
-(output->current_mode->width / 2.0),
|
|
-(output->current_mode->height / 2.0), 0);
|
|
weston_matrix_scale(&go->output_matrix,
|
|
2.0 / output->current_mode->width,
|
|
-2.0 / output->current_mode->height, 1);
|
|
|
|
/* if debugging, redraw everything outside the damage to clean up
|
|
* debug lines from the previous draw on this buffer:
|
|
*/
|
|
if (gr->fan_debug) {
|
|
pixman_region32_t undamaged;
|
|
pixman_region32_init(&undamaged);
|
|
pixman_region32_subtract(&undamaged, &output->region,
|
|
output_damage);
|
|
gr->fan_debug = 0;
|
|
repaint_views(output, &undamaged);
|
|
gr->fan_debug = 1;
|
|
pixman_region32_fini(&undamaged);
|
|
}
|
|
|
|
pixman_region32_init(&total_damage);
|
|
pixman_region32_init(&buffer_damage);
|
|
|
|
output_get_damage(output, &buffer_damage, &border_damage);
|
|
output_rotate_damage(output, output_damage, go->border_status);
|
|
|
|
pixman_region32_union(&total_damage, &buffer_damage, output_damage);
|
|
border_damage |= go->border_status;
|
|
|
|
repaint_views(output, &total_damage);
|
|
|
|
pixman_region32_fini(&total_damage);
|
|
pixman_region32_fini(&buffer_damage);
|
|
|
|
draw_output_borders(output, border_damage);
|
|
|
|
pixman_region32_copy(&output->previous_damage, output_damage);
|
|
wl_signal_emit(&output->frame_signal, output);
|
|
|
|
if (gr->swap_buffers_with_damage) {
|
|
pixman_region32_init(&buffer_damage);
|
|
weston_transformed_region(output->width, output->height,
|
|
output->transform,
|
|
output->current_scale,
|
|
output_damage, &buffer_damage);
|
|
|
|
if (output_has_borders(output)) {
|
|
pixman_region32_translate(&buffer_damage,
|
|
go->borders[GL_RENDERER_BORDER_LEFT].width,
|
|
go->borders[GL_RENDERER_BORDER_TOP].height);
|
|
output_get_border_damage(output, go->border_status,
|
|
&buffer_damage);
|
|
}
|
|
|
|
rects = pixman_region32_rectangles(&buffer_damage, &nrects);
|
|
egl_damage = malloc(nrects * 4 * sizeof(EGLint));
|
|
|
|
buffer_height = go->borders[GL_RENDERER_BORDER_TOP].height +
|
|
output->current_mode->height +
|
|
go->borders[GL_RENDERER_BORDER_BOTTOM].height;
|
|
|
|
d = egl_damage;
|
|
for (i = 0; i < nrects; ++i) {
|
|
*d++ = rects[i].x1;
|
|
*d++ = buffer_height - rects[i].y2;
|
|
*d++ = rects[i].x2 - rects[i].x1;
|
|
*d++ = rects[i].y2 - rects[i].y1;
|
|
}
|
|
ret = gr->swap_buffers_with_damage(gr->egl_display,
|
|
go->egl_surface,
|
|
egl_damage, nrects);
|
|
free(egl_damage);
|
|
pixman_region32_fini(&buffer_damage);
|
|
} else {
|
|
ret = eglSwapBuffers(gr->egl_display, go->egl_surface);
|
|
}
|
|
|
|
if (ret == EGL_FALSE && !errored) {
|
|
errored = 1;
|
|
weston_log("Failed in eglSwapBuffers.\n");
|
|
gl_renderer_print_egl_error_state();
|
|
}
|
|
|
|
go->border_status = BORDER_STATUS_CLEAN;
|
|
}
|
|
|
|
static int
|
|
gl_renderer_read_pixels(struct weston_output *output,
|
|
pixman_format_code_t format, void *pixels,
|
|
uint32_t x, uint32_t y,
|
|
uint32_t width, uint32_t height)
|
|
{
|
|
GLenum gl_format;
|
|
struct gl_output_state *go = get_output_state(output);
|
|
|
|
x += go->borders[GL_RENDERER_BORDER_LEFT].width;
|
|
y += go->borders[GL_RENDERER_BORDER_BOTTOM].height;
|
|
|
|
switch (format) {
|
|
case PIXMAN_a8r8g8b8:
|
|
gl_format = GL_BGRA_EXT;
|
|
break;
|
|
case PIXMAN_a8b8g8r8:
|
|
gl_format = GL_RGBA;
|
|
break;
|
|
default:
|
|
return -1;
|
|
}
|
|
|
|
if (use_output(output) < 0)
|
|
return -1;
|
|
|
|
glPixelStorei(GL_PACK_ALIGNMENT, 1);
|
|
glReadPixels(x, y, width, height, gl_format,
|
|
GL_UNSIGNED_BYTE, pixels);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
gl_renderer_flush_damage(struct weston_surface *surface)
|
|
{
|
|
struct gl_renderer *gr = get_renderer(surface->compositor);
|
|
struct gl_surface_state *gs = get_surface_state(surface);
|
|
struct weston_buffer *buffer = gs->buffer_ref.buffer;
|
|
struct weston_view *view;
|
|
bool texture_used;
|
|
pixman_box32_t *rectangles;
|
|
void *data;
|
|
int i, j, n;
|
|
|
|
pixman_region32_union(&gs->texture_damage,
|
|
&gs->texture_damage, &surface->damage);
|
|
|
|
if (!buffer)
|
|
return;
|
|
|
|
/* Avoid upload, if the texture won't be used this time.
|
|
* We still accumulate the damage in texture_damage, and
|
|
* hold the reference to the buffer, in case the surface
|
|
* migrates back to the primary plane.
|
|
*/
|
|
texture_used = false;
|
|
wl_list_for_each(view, &surface->views, surface_link) {
|
|
if (view->plane == &surface->compositor->primary_plane) {
|
|
texture_used = true;
|
|
break;
|
|
}
|
|
}
|
|
if (!texture_used)
|
|
return;
|
|
|
|
if (!pixman_region32_not_empty(&gs->texture_damage) &&
|
|
!gs->needs_full_upload)
|
|
goto done;
|
|
|
|
data = wl_shm_buffer_get_data(buffer->shm_buffer);
|
|
|
|
if (!gr->has_unpack_subimage) {
|
|
wl_shm_buffer_begin_access(buffer->shm_buffer);
|
|
for (j = 0; j < gs->num_textures; j++) {
|
|
glBindTexture(GL_TEXTURE_2D, gs->textures[j]);
|
|
glTexImage2D(GL_TEXTURE_2D, 0,
|
|
gs->gl_format[j],
|
|
gs->pitch / gs->hvsub[j],
|
|
buffer->height / gs->hvsub[j],
|
|
0,
|
|
gs->gl_format[j],
|
|
gs->gl_pixel_type,
|
|
data + gs->offset[j]);
|
|
}
|
|
wl_shm_buffer_end_access(buffer->shm_buffer);
|
|
|
|
goto done;
|
|
}
|
|
|
|
glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT, gs->pitch);
|
|
|
|
if (gs->needs_full_upload) {
|
|
glPixelStorei(GL_UNPACK_SKIP_PIXELS_EXT, 0);
|
|
glPixelStorei(GL_UNPACK_SKIP_ROWS_EXT, 0);
|
|
wl_shm_buffer_begin_access(buffer->shm_buffer);
|
|
for (j = 0; j < gs->num_textures; j++) {
|
|
glBindTexture(GL_TEXTURE_2D, gs->textures[j]);
|
|
glTexImage2D(GL_TEXTURE_2D, 0,
|
|
gs->gl_format[j],
|
|
gs->pitch / gs->hvsub[j],
|
|
buffer->height / gs->hvsub[j],
|
|
0,
|
|
gs->gl_format[j],
|
|
gs->gl_pixel_type,
|
|
data + gs->offset[j]);
|
|
}
|
|
wl_shm_buffer_end_access(buffer->shm_buffer);
|
|
goto done;
|
|
}
|
|
|
|
rectangles = pixman_region32_rectangles(&gs->texture_damage, &n);
|
|
wl_shm_buffer_begin_access(buffer->shm_buffer);
|
|
for (i = 0; i < n; i++) {
|
|
pixman_box32_t r;
|
|
|
|
r = weston_surface_to_buffer_rect(surface, rectangles[i]);
|
|
|
|
glPixelStorei(GL_UNPACK_SKIP_PIXELS_EXT, r.x1);
|
|
glPixelStorei(GL_UNPACK_SKIP_ROWS_EXT, r.y1);
|
|
for (j = 0; j < gs->num_textures; j++) {
|
|
glBindTexture(GL_TEXTURE_2D, gs->textures[j]);
|
|
glTexSubImage2D(GL_TEXTURE_2D, 0,
|
|
r.x1 / gs->hvsub[j],
|
|
r.y1 / gs->hvsub[j],
|
|
(r.x2 - r.x1) / gs->hvsub[j],
|
|
(r.y2 - r.y1) / gs->hvsub[j],
|
|
gs->gl_format[j],
|
|
gs->gl_pixel_type,
|
|
data + gs->offset[j]);
|
|
}
|
|
}
|
|
wl_shm_buffer_end_access(buffer->shm_buffer);
|
|
|
|
done:
|
|
pixman_region32_fini(&gs->texture_damage);
|
|
pixman_region32_init(&gs->texture_damage);
|
|
gs->needs_full_upload = false;
|
|
|
|
weston_buffer_reference(&gs->buffer_ref, NULL);
|
|
}
|
|
|
|
static void
|
|
ensure_textures(struct gl_surface_state *gs, int num_textures)
|
|
{
|
|
int i;
|
|
|
|
if (num_textures <= gs->num_textures)
|
|
return;
|
|
|
|
for (i = gs->num_textures; i < num_textures; i++) {
|
|
glGenTextures(1, &gs->textures[i]);
|
|
glBindTexture(gs->target, gs->textures[i]);
|
|
glTexParameteri(gs->target,
|
|
GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
|
|
glTexParameteri(gs->target,
|
|
GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
|
|
}
|
|
gs->num_textures = num_textures;
|
|
glBindTexture(gs->target, 0);
|
|
}
|
|
|
|
static void
|
|
gl_renderer_attach_shm(struct weston_surface *es, struct weston_buffer *buffer,
|
|
struct wl_shm_buffer *shm_buffer)
|
|
{
|
|
struct weston_compositor *ec = es->compositor;
|
|
struct gl_renderer *gr = get_renderer(ec);
|
|
struct gl_surface_state *gs = get_surface_state(es);
|
|
GLenum gl_format[3] = {0, 0, 0};
|
|
GLenum gl_pixel_type;
|
|
int pitch;
|
|
int num_planes;
|
|
|
|
buffer->shm_buffer = shm_buffer;
|
|
buffer->width = wl_shm_buffer_get_width(shm_buffer);
|
|
buffer->height = wl_shm_buffer_get_height(shm_buffer);
|
|
|
|
num_planes = 1;
|
|
gs->offset[0] = 0;
|
|
gs->hvsub[0] = 1;
|
|
|
|
switch (wl_shm_buffer_get_format(shm_buffer)) {
|
|
case WL_SHM_FORMAT_XRGB8888:
|
|
gs->shader = &gr->texture_shader_rgbx;
|
|
pitch = wl_shm_buffer_get_stride(shm_buffer) / 4;
|
|
gl_format[0] = GL_BGRA_EXT;
|
|
gl_pixel_type = GL_UNSIGNED_BYTE;
|
|
break;
|
|
case WL_SHM_FORMAT_ARGB8888:
|
|
gs->shader = &gr->texture_shader_rgba;
|
|
pitch = wl_shm_buffer_get_stride(shm_buffer) / 4;
|
|
gl_format[0] = GL_BGRA_EXT;
|
|
gl_pixel_type = GL_UNSIGNED_BYTE;
|
|
break;
|
|
case WL_SHM_FORMAT_RGB565:
|
|
gs->shader = &gr->texture_shader_rgbx;
|
|
pitch = wl_shm_buffer_get_stride(shm_buffer) / 2;
|
|
gl_format[0] = GL_RGB;
|
|
gl_pixel_type = GL_UNSIGNED_SHORT_5_6_5;
|
|
break;
|
|
case WL_SHM_FORMAT_YUV420:
|
|
gs->shader = &gr->texture_shader_y_u_v;
|
|
pitch = wl_shm_buffer_get_stride(shm_buffer);
|
|
gl_pixel_type = GL_UNSIGNED_BYTE;
|
|
num_planes = 3;
|
|
gs->offset[1] = gs->offset[0] + (pitch / gs->hvsub[0]) *
|
|
(buffer->height / gs->hvsub[0]);
|
|
gs->hvsub[1] = 2;
|
|
gs->offset[2] = gs->offset[1] + (pitch / gs->hvsub[1]) *
|
|
(buffer->height / gs->hvsub[1]);
|
|
gs->hvsub[2] = 2;
|
|
if (gr->has_gl_texture_rg) {
|
|
gl_format[0] = GL_R8_EXT;
|
|
gl_format[1] = GL_R8_EXT;
|
|
gl_format[2] = GL_R8_EXT;
|
|
} else {
|
|
gl_format[0] = GL_LUMINANCE;
|
|
gl_format[1] = GL_LUMINANCE;
|
|
gl_format[2] = GL_LUMINANCE;
|
|
}
|
|
break;
|
|
case WL_SHM_FORMAT_NV12:
|
|
gs->shader = &gr->texture_shader_y_xuxv;
|
|
pitch = wl_shm_buffer_get_stride(shm_buffer);
|
|
gl_pixel_type = GL_UNSIGNED_BYTE;
|
|
num_planes = 2;
|
|
gs->offset[1] = gs->offset[0] + (pitch / gs->hvsub[0]) * (buffer->height / gs->hvsub[0]);
|
|
gs->hvsub[1] = 2;
|
|
if (gr->has_gl_texture_rg) {
|
|
gl_format[0] = GL_R8_EXT;
|
|
gl_format[1] = GL_RG8_EXT;
|
|
} else {
|
|
gl_format[0] = GL_LUMINANCE;
|
|
gl_format[1] = GL_LUMINANCE_ALPHA;
|
|
}
|
|
break;
|
|
default:
|
|
weston_log("warning: unknown shm buffer format: %08x\n",
|
|
wl_shm_buffer_get_format(shm_buffer));
|
|
return;
|
|
}
|
|
|
|
/* Only allocate a texture if it doesn't match existing one.
|
|
* If a switch from DRM allocated buffer to a SHM buffer is
|
|
* happening, we need to allocate a new texture buffer. */
|
|
if (pitch != gs->pitch ||
|
|
buffer->height != gs->height ||
|
|
gl_format[0] != gs->gl_format[0] ||
|
|
gl_format[1] != gs->gl_format[1] ||
|
|
gl_format[2] != gs->gl_format[2] ||
|
|
gl_pixel_type != gs->gl_pixel_type ||
|
|
gs->buffer_type != BUFFER_TYPE_SHM) {
|
|
gs->pitch = pitch;
|
|
gs->height = buffer->height;
|
|
gs->target = GL_TEXTURE_2D;
|
|
gs->gl_format[0] = gl_format[0];
|
|
gs->gl_format[1] = gl_format[1];
|
|
gs->gl_format[2] = gl_format[2];
|
|
gs->gl_pixel_type = gl_pixel_type;
|
|
gs->buffer_type = BUFFER_TYPE_SHM;
|
|
gs->needs_full_upload = true;
|
|
gs->y_inverted = 1;
|
|
|
|
gs->surface = es;
|
|
|
|
ensure_textures(gs, num_planes);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gl_renderer_attach_egl(struct weston_surface *es, struct weston_buffer *buffer,
|
|
uint32_t format)
|
|
{
|
|
struct weston_compositor *ec = es->compositor;
|
|
struct gl_renderer *gr = get_renderer(ec);
|
|
struct gl_surface_state *gs = get_surface_state(es);
|
|
EGLint attribs[3];
|
|
int i, num_planes;
|
|
|
|
buffer->legacy_buffer = (struct wl_buffer *)buffer->resource;
|
|
gr->query_buffer(gr->egl_display, buffer->legacy_buffer,
|
|
EGL_WIDTH, &buffer->width);
|
|
gr->query_buffer(gr->egl_display, buffer->legacy_buffer,
|
|
EGL_HEIGHT, &buffer->height);
|
|
gr->query_buffer(gr->egl_display, buffer->legacy_buffer,
|
|
EGL_WAYLAND_Y_INVERTED_WL, &buffer->y_inverted);
|
|
|
|
for (i = 0; i < gs->num_images; i++) {
|
|
egl_image_unref(gs->images[i]);
|
|
gs->images[i] = NULL;
|
|
}
|
|
gs->num_images = 0;
|
|
gs->target = GL_TEXTURE_2D;
|
|
switch (format) {
|
|
case EGL_TEXTURE_RGB:
|
|
case EGL_TEXTURE_RGBA:
|
|
default:
|
|
num_planes = 1;
|
|
gs->shader = &gr->texture_shader_rgba;
|
|
break;
|
|
case EGL_TEXTURE_EXTERNAL_WL:
|
|
num_planes = 1;
|
|
gs->target = GL_TEXTURE_EXTERNAL_OES;
|
|
gs->shader = &gr->texture_shader_egl_external;
|
|
break;
|
|
case EGL_TEXTURE_Y_UV_WL:
|
|
num_planes = 2;
|
|
gs->shader = &gr->texture_shader_y_uv;
|
|
break;
|
|
case EGL_TEXTURE_Y_U_V_WL:
|
|
num_planes = 3;
|
|
gs->shader = &gr->texture_shader_y_u_v;
|
|
break;
|
|
case EGL_TEXTURE_Y_XUXV_WL:
|
|
num_planes = 2;
|
|
gs->shader = &gr->texture_shader_y_xuxv;
|
|
break;
|
|
}
|
|
|
|
ensure_textures(gs, num_planes);
|
|
for (i = 0; i < num_planes; i++) {
|
|
attribs[0] = EGL_WAYLAND_PLANE_WL;
|
|
attribs[1] = i;
|
|
attribs[2] = EGL_NONE;
|
|
gs->images[i] = egl_image_create(gr,
|
|
EGL_WAYLAND_BUFFER_WL,
|
|
buffer->legacy_buffer,
|
|
attribs);
|
|
if (!gs->images[i]) {
|
|
weston_log("failed to create img for plane %d\n", i);
|
|
continue;
|
|
}
|
|
gs->num_images++;
|
|
|
|
glActiveTexture(GL_TEXTURE0 + i);
|
|
glBindTexture(gs->target, gs->textures[i]);
|
|
gr->image_target_texture_2d(gs->target,
|
|
gs->images[i]->image);
|
|
}
|
|
|
|
gs->pitch = buffer->width;
|
|
gs->height = buffer->height;
|
|
gs->buffer_type = BUFFER_TYPE_EGL;
|
|
gs->y_inverted = buffer->y_inverted;
|
|
}
|
|
|
|
static void
|
|
gl_renderer_destroy_dmabuf(struct linux_dmabuf_buffer *dmabuf)
|
|
{
|
|
struct dmabuf_image *image = dmabuf->user_data;
|
|
|
|
dmabuf_image_destroy(image);
|
|
}
|
|
|
|
static struct egl_image *
|
|
import_simple_dmabuf(struct gl_renderer *gr,
|
|
struct dmabuf_attributes *attributes)
|
|
{
|
|
struct egl_image *image;
|
|
EGLint attribs[30];
|
|
int atti = 0;
|
|
|
|
/* This requires the Mesa commit in
|
|
* Mesa 10.3 (08264e5dad4df448e7718e782ad9077902089a07) or
|
|
* Mesa 10.2.7 (55d28925e6109a4afd61f109e845a8a51bd17652).
|
|
* Otherwise Mesa closes the fd behind our back and re-importing
|
|
* will fail.
|
|
* https://bugs.freedesktop.org/show_bug.cgi?id=76188
|
|
*/
|
|
|
|
attribs[atti++] = EGL_WIDTH;
|
|
attribs[atti++] = attributes->width;
|
|
attribs[atti++] = EGL_HEIGHT;
|
|
attribs[atti++] = attributes->height;
|
|
attribs[atti++] = EGL_LINUX_DRM_FOURCC_EXT;
|
|
attribs[atti++] = attributes->format;
|
|
/* XXX: Add modifier here when supported */
|
|
|
|
if (attributes->n_planes > 0) {
|
|
attribs[atti++] = EGL_DMA_BUF_PLANE0_FD_EXT;
|
|
attribs[atti++] = attributes->fd[0];
|
|
attribs[atti++] = EGL_DMA_BUF_PLANE0_OFFSET_EXT;
|
|
attribs[atti++] = attributes->offset[0];
|
|
attribs[atti++] = EGL_DMA_BUF_PLANE0_PITCH_EXT;
|
|
attribs[atti++] = attributes->stride[0];
|
|
}
|
|
|
|
if (attributes->n_planes > 1) {
|
|
attribs[atti++] = EGL_DMA_BUF_PLANE1_FD_EXT;
|
|
attribs[atti++] = attributes->fd[1];
|
|
attribs[atti++] = EGL_DMA_BUF_PLANE1_OFFSET_EXT;
|
|
attribs[atti++] = attributes->offset[1];
|
|
attribs[atti++] = EGL_DMA_BUF_PLANE1_PITCH_EXT;
|
|
attribs[atti++] = attributes->stride[1];
|
|
}
|
|
|
|
if (attributes->n_planes > 2) {
|
|
attribs[atti++] = EGL_DMA_BUF_PLANE2_FD_EXT;
|
|
attribs[atti++] = attributes->fd[2];
|
|
attribs[atti++] = EGL_DMA_BUF_PLANE2_OFFSET_EXT;
|
|
attribs[atti++] = attributes->offset[2];
|
|
attribs[atti++] = EGL_DMA_BUF_PLANE2_PITCH_EXT;
|
|
attribs[atti++] = attributes->stride[2];
|
|
}
|
|
|
|
attribs[atti++] = EGL_NONE;
|
|
|
|
image = egl_image_create(gr, EGL_LINUX_DMA_BUF_EXT, NULL,
|
|
attribs);
|
|
|
|
return image;
|
|
}
|
|
|
|
/* The kernel header drm_fourcc.h defines the DRM formats below. We duplicate
|
|
* some of the definitions here so that building Weston won't require
|
|
* bleeding-edge kernel headers.
|
|
*/
|
|
#ifndef DRM_FORMAT_R8
|
|
#define DRM_FORMAT_R8 fourcc_code('R', '8', ' ', ' ') /* [7:0] R */
|
|
#endif
|
|
|
|
#ifndef DRM_FORMAT_GR88
|
|
#define DRM_FORMAT_GR88 fourcc_code('G', 'R', '8', '8') /* [15:0] G:R 8:8 little endian */
|
|
#endif
|
|
|
|
struct yuv_format_descriptor yuv_formats[] = {
|
|
{
|
|
.format = DRM_FORMAT_YUYV,
|
|
.input_planes = 1,
|
|
.output_planes = 2,
|
|
.texture_type = EGL_TEXTURE_Y_XUXV_WL,
|
|
{{
|
|
.width_divisor = 1,
|
|
.height_divisor = 1,
|
|
.format = DRM_FORMAT_GR88,
|
|
.plane_index = 0
|
|
}, {
|
|
.width_divisor = 2,
|
|
.height_divisor = 1,
|
|
.format = DRM_FORMAT_ARGB8888,
|
|
.plane_index = 0
|
|
}}
|
|
}, {
|
|
.format = DRM_FORMAT_NV12,
|
|
.input_planes = 2,
|
|
.output_planes = 2,
|
|
.texture_type = EGL_TEXTURE_Y_UV_WL,
|
|
{{
|
|
.width_divisor = 1,
|
|
.height_divisor = 1,
|
|
.format = DRM_FORMAT_R8,
|
|
.plane_index = 0
|
|
}, {
|
|
.width_divisor = 2,
|
|
.height_divisor = 2,
|
|
.format = DRM_FORMAT_GR88,
|
|
.plane_index = 1
|
|
}}
|
|
}, {
|
|
.format = DRM_FORMAT_YUV420,
|
|
.input_planes = 3,
|
|
.output_planes = 3,
|
|
.texture_type = EGL_TEXTURE_Y_U_V_WL,
|
|
{{
|
|
.width_divisor = 1,
|
|
.height_divisor = 1,
|
|
.format = DRM_FORMAT_R8,
|
|
.plane_index = 0
|
|
}, {
|
|
.width_divisor = 2,
|
|
.height_divisor = 2,
|
|
.format = DRM_FORMAT_R8,
|
|
.plane_index = 1
|
|
}, {
|
|
.width_divisor = 2,
|
|
.height_divisor = 2,
|
|
.format = DRM_FORMAT_R8,
|
|
.plane_index = 2
|
|
}}
|
|
}, {
|
|
.format = DRM_FORMAT_YUV444,
|
|
.input_planes = 3,
|
|
.output_planes = 3,
|
|
.texture_type = EGL_TEXTURE_Y_U_V_WL,
|
|
{{
|
|
.width_divisor = 1,
|
|
.height_divisor = 1,
|
|
.format = DRM_FORMAT_R8,
|
|
.plane_index = 0
|
|
}, {
|
|
.width_divisor = 1,
|
|
.height_divisor = 1,
|
|
.format = DRM_FORMAT_R8,
|
|
.plane_index = 1
|
|
}, {
|
|
.width_divisor = 1,
|
|
.height_divisor = 1,
|
|
.format = DRM_FORMAT_R8,
|
|
.plane_index = 2
|
|
}}
|
|
}
|
|
};
|
|
|
|
static struct egl_image *
|
|
import_dmabuf_single_plane(struct gl_renderer *gr,
|
|
const struct dmabuf_attributes *attributes,
|
|
struct yuv_plane_descriptor *descriptor)
|
|
{
|
|
struct dmabuf_attributes plane;
|
|
struct egl_image *image;
|
|
char fmt[4];
|
|
|
|
plane.width = attributes->width / descriptor->width_divisor;
|
|
plane.height = attributes->height / descriptor->height_divisor;
|
|
plane.format = descriptor->format;
|
|
plane.n_planes = 1;
|
|
plane.fd[0] = attributes->fd[descriptor->plane_index];
|
|
plane.offset[0] = attributes->offset[descriptor->plane_index];
|
|
plane.stride[0] = attributes->stride[descriptor->plane_index];
|
|
plane.modifier[0] = attributes->modifier[descriptor->plane_index];
|
|
|
|
image = import_simple_dmabuf(gr, &plane);
|
|
if (!image) {
|
|
weston_log("Failed to import plane %d as %.4s\n",
|
|
descriptor->plane_index,
|
|
dump_format(descriptor->format, fmt));
|
|
return NULL;
|
|
}
|
|
|
|
return image;
|
|
}
|
|
|
|
static bool
|
|
import_yuv_dmabuf(struct gl_renderer *gr,
|
|
struct dmabuf_image *image)
|
|
{
|
|
unsigned i;
|
|
int j;
|
|
int ret;
|
|
struct yuv_format_descriptor *format = NULL;
|
|
struct dmabuf_attributes *attributes = &image->dmabuf->attributes;
|
|
char fmt[4];
|
|
|
|
for (i = 0; i < ARRAY_LENGTH(yuv_formats); ++i) {
|
|
if (yuv_formats[i].format == attributes->format) {
|
|
format = &yuv_formats[i];
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!format) {
|
|
weston_log("Error during import, and no known conversion for format "
|
|
"%.4s in the renderer",
|
|
dump_format(attributes->format, fmt));
|
|
return false;
|
|
}
|
|
|
|
if (attributes->n_planes != format->input_planes) {
|
|
weston_log("%.4s dmabuf must contain %d plane%s (%d provided)",
|
|
dump_format(format->format, fmt),
|
|
format->input_planes,
|
|
(format->input_planes > 1) ? "s" : "",
|
|
attributes->n_planes);
|
|
return false;
|
|
}
|
|
|
|
for (j = 0; j < format->output_planes; ++j) {
|
|
image->images[j] = import_dmabuf_single_plane(gr, attributes,
|
|
&format->plane[j]);
|
|
if (!image->images[j]) {
|
|
while (j) {
|
|
ret = egl_image_unref(image->images[--j]);
|
|
assert(ret == 0);
|
|
}
|
|
return false;
|
|
}
|
|
}
|
|
|
|
image->num_images = format->output_planes;
|
|
|
|
switch (format->texture_type) {
|
|
case EGL_TEXTURE_Y_XUXV_WL:
|
|
image->shader = &gr->texture_shader_y_xuxv;
|
|
break;
|
|
case EGL_TEXTURE_Y_UV_WL:
|
|
image->shader = &gr->texture_shader_y_uv;
|
|
break;
|
|
case EGL_TEXTURE_Y_U_V_WL:
|
|
image->shader = &gr->texture_shader_y_u_v;
|
|
break;
|
|
default:
|
|
assert(false);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
static GLenum
|
|
choose_texture_target(struct dmabuf_attributes *attributes)
|
|
{
|
|
if (attributes->n_planes > 1)
|
|
return GL_TEXTURE_EXTERNAL_OES;
|
|
|
|
switch (attributes->format & ~DRM_FORMAT_BIG_ENDIAN) {
|
|
case DRM_FORMAT_YUYV:
|
|
case DRM_FORMAT_YVYU:
|
|
case DRM_FORMAT_UYVY:
|
|
case DRM_FORMAT_VYUY:
|
|
case DRM_FORMAT_AYUV:
|
|
return GL_TEXTURE_EXTERNAL_OES;
|
|
default:
|
|
return GL_TEXTURE_2D;
|
|
}
|
|
}
|
|
|
|
static struct dmabuf_image *
|
|
import_dmabuf(struct gl_renderer *gr,
|
|
struct linux_dmabuf_buffer *dmabuf)
|
|
{
|
|
struct egl_image *egl_image;
|
|
struct dmabuf_image *image;
|
|
|
|
image = dmabuf_image_create();
|
|
image->dmabuf = dmabuf;
|
|
|
|
egl_image = import_simple_dmabuf(gr, &dmabuf->attributes);
|
|
if (egl_image) {
|
|
image->num_images = 1;
|
|
image->images[0] = egl_image;
|
|
image->import_type = IMPORT_TYPE_DIRECT;
|
|
image->target = choose_texture_target(&dmabuf->attributes);
|
|
|
|
switch (image->target) {
|
|
case GL_TEXTURE_2D:
|
|
image->shader = &gr->texture_shader_rgba;
|
|
break;
|
|
default:
|
|
image->shader = &gr->texture_shader_egl_external;
|
|
}
|
|
} else {
|
|
if (!import_yuv_dmabuf(gr, image)) {
|
|
dmabuf_image_destroy(image);
|
|
return NULL;
|
|
}
|
|
image->import_type = IMPORT_TYPE_GL_CONVERSION;
|
|
image->target = GL_TEXTURE_2D;
|
|
}
|
|
|
|
return image;
|
|
}
|
|
|
|
static bool
|
|
gl_renderer_import_dmabuf(struct weston_compositor *ec,
|
|
struct linux_dmabuf_buffer *dmabuf)
|
|
{
|
|
struct gl_renderer *gr = get_renderer(ec);
|
|
struct dmabuf_image *image;
|
|
int i;
|
|
|
|
assert(gr->has_dmabuf_import);
|
|
|
|
for (i = 0; i < dmabuf->attributes.n_planes; i++) {
|
|
/* EGL import does not have modifiers */
|
|
if (dmabuf->attributes.modifier[i] != 0)
|
|
return false;
|
|
}
|
|
|
|
/* reject all flags we do not recognize or handle */
|
|
if (dmabuf->attributes.flags & ~ZWP_LINUX_BUFFER_PARAMS_V1_FLAGS_Y_INVERT)
|
|
return false;
|
|
|
|
image = import_dmabuf(gr, dmabuf);
|
|
if (!image)
|
|
return false;
|
|
|
|
wl_list_insert(&gr->dmabuf_images, &image->link);
|
|
linux_dmabuf_buffer_set_user_data(dmabuf, image,
|
|
gl_renderer_destroy_dmabuf);
|
|
|
|
return true;
|
|
}
|
|
|
|
static bool
|
|
import_known_dmabuf(struct gl_renderer *gr,
|
|
struct dmabuf_image *image)
|
|
{
|
|
switch (image->import_type) {
|
|
case IMPORT_TYPE_DIRECT:
|
|
image->images[0] = import_simple_dmabuf(gr, &image->dmabuf->attributes);
|
|
if (!image->images[0])
|
|
return false;
|
|
break;
|
|
|
|
case IMPORT_TYPE_GL_CONVERSION:
|
|
if (!import_yuv_dmabuf(gr, image))
|
|
return false;
|
|
break;
|
|
|
|
default:
|
|
weston_log("Invalid import type for dmabuf\n");
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
static void
|
|
gl_renderer_attach_dmabuf(struct weston_surface *surface,
|
|
struct weston_buffer *buffer,
|
|
struct linux_dmabuf_buffer *dmabuf)
|
|
{
|
|
struct gl_renderer *gr = get_renderer(surface->compositor);
|
|
struct gl_surface_state *gs = get_surface_state(surface);
|
|
struct dmabuf_image *image;
|
|
int i;
|
|
int ret;
|
|
|
|
if (!gr->has_dmabuf_import) {
|
|
linux_dmabuf_buffer_send_server_error(dmabuf,
|
|
"EGL dmabuf import not supported");
|
|
return;
|
|
}
|
|
|
|
buffer->width = dmabuf->attributes.width;
|
|
buffer->height = dmabuf->attributes.height;
|
|
|
|
/*
|
|
* GL-renderer uses the OpenGL convention of texture coordinates, where
|
|
* the origin is at bottom-left. Because dmabuf buffers have the origin
|
|
* at top-left, we must invert the Y_INVERT flag to get the image right.
|
|
*/
|
|
buffer->y_inverted =
|
|
!(dmabuf->attributes.flags & ZWP_LINUX_BUFFER_PARAMS_V1_FLAGS_Y_INVERT);
|
|
|
|
for (i = 0; i < gs->num_images; i++)
|
|
egl_image_unref(gs->images[i]);
|
|
gs->num_images = 0;
|
|
|
|
/*
|
|
* We try to always hold an imported EGLImage from the dmabuf
|
|
* to prevent the client from preventing re-imports. But, we also
|
|
* need to re-import every time the contents may change because
|
|
* GL driver's caching may need flushing.
|
|
*
|
|
* Here we release the cache reference which has to be final.
|
|
*/
|
|
image = linux_dmabuf_buffer_get_user_data(dmabuf);
|
|
|
|
/* The dmabuf_image should have been created during the import */
|
|
assert(image != NULL);
|
|
|
|
for (i = 0; i < image->num_images; ++i) {
|
|
ret = egl_image_unref(image->images[i]);
|
|
assert(ret == 0);
|
|
}
|
|
|
|
if (!import_known_dmabuf(gr, image)) {
|
|
linux_dmabuf_buffer_send_server_error(dmabuf, "EGL dmabuf import failed");
|
|
return;
|
|
}
|
|
|
|
gs->num_images = image->num_images;
|
|
for (i = 0; i < gs->num_images; ++i)
|
|
gs->images[i] = egl_image_ref(image->images[i]);
|
|
|
|
gs->target = image->target;
|
|
ensure_textures(gs, gs->num_images);
|
|
for (i = 0; i < gs->num_images; ++i) {
|
|
glActiveTexture(GL_TEXTURE0 + i);
|
|
glBindTexture(gs->target, gs->textures[i]);
|
|
gr->image_target_texture_2d(gs->target, gs->images[i]->image);
|
|
}
|
|
|
|
gs->shader = image->shader;
|
|
gs->pitch = buffer->width;
|
|
gs->height = buffer->height;
|
|
gs->buffer_type = BUFFER_TYPE_EGL;
|
|
gs->y_inverted = buffer->y_inverted;
|
|
}
|
|
|
|
static void
|
|
gl_renderer_attach(struct weston_surface *es, struct weston_buffer *buffer)
|
|
{
|
|
struct weston_compositor *ec = es->compositor;
|
|
struct gl_renderer *gr = get_renderer(ec);
|
|
struct gl_surface_state *gs = get_surface_state(es);
|
|
struct wl_shm_buffer *shm_buffer;
|
|
struct linux_dmabuf_buffer *dmabuf;
|
|
EGLint format;
|
|
int i;
|
|
|
|
weston_buffer_reference(&gs->buffer_ref, buffer);
|
|
|
|
if (!buffer) {
|
|
for (i = 0; i < gs->num_images; i++) {
|
|
egl_image_unref(gs->images[i]);
|
|
gs->images[i] = NULL;
|
|
}
|
|
gs->num_images = 0;
|
|
glDeleteTextures(gs->num_textures, gs->textures);
|
|
gs->num_textures = 0;
|
|
gs->buffer_type = BUFFER_TYPE_NULL;
|
|
gs->y_inverted = 1;
|
|
return;
|
|
}
|
|
|
|
shm_buffer = wl_shm_buffer_get(buffer->resource);
|
|
|
|
if (shm_buffer)
|
|
gl_renderer_attach_shm(es, buffer, shm_buffer);
|
|
else if (gr->has_bind_display &&
|
|
gr->query_buffer(gr->egl_display, (void *)buffer->resource,
|
|
EGL_TEXTURE_FORMAT, &format))
|
|
gl_renderer_attach_egl(es, buffer, format);
|
|
else if ((dmabuf = linux_dmabuf_buffer_get(buffer->resource)))
|
|
gl_renderer_attach_dmabuf(es, buffer, dmabuf);
|
|
else {
|
|
weston_log("unhandled buffer type!\n");
|
|
weston_buffer_reference(&gs->buffer_ref, NULL);
|
|
gs->buffer_type = BUFFER_TYPE_NULL;
|
|
gs->y_inverted = 1;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gl_renderer_surface_set_color(struct weston_surface *surface,
|
|
float red, float green, float blue, float alpha)
|
|
{
|
|
struct gl_surface_state *gs = get_surface_state(surface);
|
|
struct gl_renderer *gr = get_renderer(surface->compositor);
|
|
|
|
gs->color[0] = red;
|
|
gs->color[1] = green;
|
|
gs->color[2] = blue;
|
|
gs->color[3] = alpha;
|
|
gs->buffer_type = BUFFER_TYPE_SOLID;
|
|
gs->pitch = 1;
|
|
gs->height = 1;
|
|
|
|
gs->shader = &gr->solid_shader;
|
|
}
|
|
|
|
static void
|
|
gl_renderer_surface_get_content_size(struct weston_surface *surface,
|
|
int *width, int *height)
|
|
{
|
|
struct gl_surface_state *gs = get_surface_state(surface);
|
|
|
|
if (gs->buffer_type == BUFFER_TYPE_NULL) {
|
|
*width = 0;
|
|
*height = 0;
|
|
} else {
|
|
*width = gs->pitch;
|
|
*height = gs->height;
|
|
}
|
|
}
|
|
|
|
static uint32_t
|
|
pack_color(pixman_format_code_t format, float *c)
|
|
{
|
|
uint8_t r = round(c[0] * 255.0f);
|
|
uint8_t g = round(c[1] * 255.0f);
|
|
uint8_t b = round(c[2] * 255.0f);
|
|
uint8_t a = round(c[3] * 255.0f);
|
|
|
|
switch (format) {
|
|
case PIXMAN_a8b8g8r8:
|
|
return (a << 24) | (b << 16) | (g << 8) | r;
|
|
default:
|
|
assert(0);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
static int
|
|
gl_renderer_surface_copy_content(struct weston_surface *surface,
|
|
void *target, size_t size,
|
|
int src_x, int src_y,
|
|
int width, int height)
|
|
{
|
|
static const GLfloat verts[4 * 2] = {
|
|
0.0f, 0.0f,
|
|
1.0f, 0.0f,
|
|
1.0f, 1.0f,
|
|
0.0f, 1.0f
|
|
};
|
|
static const GLfloat projmat_normal[16] = { /* transpose */
|
|
2.0f, 0.0f, 0.0f, 0.0f,
|
|
0.0f, 2.0f, 0.0f, 0.0f,
|
|
0.0f, 0.0f, 1.0f, 0.0f,
|
|
-1.0f, -1.0f, 0.0f, 1.0f
|
|
};
|
|
static const GLfloat projmat_yinvert[16] = { /* transpose */
|
|
2.0f, 0.0f, 0.0f, 0.0f,
|
|
0.0f, -2.0f, 0.0f, 0.0f,
|
|
0.0f, 0.0f, 1.0f, 0.0f,
|
|
-1.0f, 1.0f, 0.0f, 1.0f
|
|
};
|
|
const pixman_format_code_t format = PIXMAN_a8b8g8r8;
|
|
const size_t bytespp = 4; /* PIXMAN_a8b8g8r8 */
|
|
const GLenum gl_format = GL_RGBA; /* PIXMAN_a8b8g8r8 little-endian */
|
|
struct gl_renderer *gr = get_renderer(surface->compositor);
|
|
struct gl_surface_state *gs = get_surface_state(surface);
|
|
int cw, ch;
|
|
GLuint fbo;
|
|
GLuint tex;
|
|
GLenum status;
|
|
const GLfloat *proj;
|
|
int i;
|
|
|
|
gl_renderer_surface_get_content_size(surface, &cw, &ch);
|
|
|
|
switch (gs->buffer_type) {
|
|
case BUFFER_TYPE_NULL:
|
|
return -1;
|
|
case BUFFER_TYPE_SOLID:
|
|
*(uint32_t *)target = pack_color(format, gs->color);
|
|
return 0;
|
|
case BUFFER_TYPE_SHM:
|
|
gl_renderer_flush_damage(surface);
|
|
/* fall through */
|
|
case BUFFER_TYPE_EGL:
|
|
break;
|
|
}
|
|
|
|
glGenTextures(1, &tex);
|
|
glBindTexture(GL_TEXTURE_2D, tex);
|
|
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, cw, ch,
|
|
0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
|
|
glBindTexture(GL_TEXTURE_2D, 0);
|
|
|
|
glGenFramebuffers(1, &fbo);
|
|
glBindFramebuffer(GL_FRAMEBUFFER, fbo);
|
|
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
|
|
GL_TEXTURE_2D, tex, 0);
|
|
|
|
status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
|
|
if (status != GL_FRAMEBUFFER_COMPLETE) {
|
|
weston_log("%s: fbo error: %#x\n", __func__, status);
|
|
glDeleteFramebuffers(1, &fbo);
|
|
glDeleteTextures(1, &tex);
|
|
return -1;
|
|
}
|
|
|
|
glViewport(0, 0, cw, ch);
|
|
glDisable(GL_BLEND);
|
|
use_shader(gr, gs->shader);
|
|
if (gs->y_inverted)
|
|
proj = projmat_normal;
|
|
else
|
|
proj = projmat_yinvert;
|
|
|
|
glUniformMatrix4fv(gs->shader->proj_uniform, 1, GL_FALSE, proj);
|
|
glUniform1f(gs->shader->alpha_uniform, 1.0f);
|
|
|
|
for (i = 0; i < gs->num_textures; i++) {
|
|
glUniform1i(gs->shader->tex_uniforms[i], i);
|
|
|
|
glActiveTexture(GL_TEXTURE0 + i);
|
|
glBindTexture(gs->target, gs->textures[i]);
|
|
glTexParameteri(gs->target, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
|
|
glTexParameteri(gs->target, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
|
|
}
|
|
|
|
/* position: */
|
|
glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 0, verts);
|
|
glEnableVertexAttribArray(0);
|
|
|
|
/* texcoord: */
|
|
glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 0, verts);
|
|
glEnableVertexAttribArray(1);
|
|
|
|
glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
|
|
|
|
glDisableVertexAttribArray(1);
|
|
glDisableVertexAttribArray(0);
|
|
|
|
glPixelStorei(GL_PACK_ALIGNMENT, bytespp);
|
|
glReadPixels(src_x, src_y, width, height, gl_format,
|
|
GL_UNSIGNED_BYTE, target);
|
|
|
|
glDeleteFramebuffers(1, &fbo);
|
|
glDeleteTextures(1, &tex);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
surface_state_destroy(struct gl_surface_state *gs, struct gl_renderer *gr)
|
|
{
|
|
int i;
|
|
|
|
wl_list_remove(&gs->surface_destroy_listener.link);
|
|
wl_list_remove(&gs->renderer_destroy_listener.link);
|
|
|
|
gs->surface->renderer_state = NULL;
|
|
|
|
glDeleteTextures(gs->num_textures, gs->textures);
|
|
|
|
for (i = 0; i < gs->num_images; i++)
|
|
egl_image_unref(gs->images[i]);
|
|
|
|
weston_buffer_reference(&gs->buffer_ref, NULL);
|
|
pixman_region32_fini(&gs->texture_damage);
|
|
free(gs);
|
|
}
|
|
|
|
static void
|
|
surface_state_handle_surface_destroy(struct wl_listener *listener, void *data)
|
|
{
|
|
struct gl_surface_state *gs;
|
|
struct gl_renderer *gr;
|
|
|
|
gs = container_of(listener, struct gl_surface_state,
|
|
surface_destroy_listener);
|
|
|
|
gr = get_renderer(gs->surface->compositor);
|
|
|
|
surface_state_destroy(gs, gr);
|
|
}
|
|
|
|
static void
|
|
surface_state_handle_renderer_destroy(struct wl_listener *listener, void *data)
|
|
{
|
|
struct gl_surface_state *gs;
|
|
struct gl_renderer *gr;
|
|
|
|
gr = data;
|
|
|
|
gs = container_of(listener, struct gl_surface_state,
|
|
renderer_destroy_listener);
|
|
|
|
surface_state_destroy(gs, gr);
|
|
}
|
|
|
|
static int
|
|
gl_renderer_create_surface(struct weston_surface *surface)
|
|
{
|
|
struct gl_surface_state *gs;
|
|
struct gl_renderer *gr = get_renderer(surface->compositor);
|
|
|
|
gs = zalloc(sizeof *gs);
|
|
if (gs == NULL)
|
|
return -1;
|
|
|
|
/* A buffer is never attached to solid color surfaces, yet
|
|
* they still go through texcoord computations. Do not divide
|
|
* by zero there.
|
|
*/
|
|
gs->pitch = 1;
|
|
gs->y_inverted = 1;
|
|
|
|
gs->surface = surface;
|
|
|
|
pixman_region32_init(&gs->texture_damage);
|
|
surface->renderer_state = gs;
|
|
|
|
gs->surface_destroy_listener.notify =
|
|
surface_state_handle_surface_destroy;
|
|
wl_signal_add(&surface->destroy_signal,
|
|
&gs->surface_destroy_listener);
|
|
|
|
gs->renderer_destroy_listener.notify =
|
|
surface_state_handle_renderer_destroy;
|
|
wl_signal_add(&gr->destroy_signal,
|
|
&gs->renderer_destroy_listener);
|
|
|
|
if (surface->buffer_ref.buffer) {
|
|
gl_renderer_attach(surface, surface->buffer_ref.buffer);
|
|
gl_renderer_flush_damage(surface);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const char vertex_shader[] =
|
|
"uniform mat4 proj;\n"
|
|
"attribute vec2 position;\n"
|
|
"attribute vec2 texcoord;\n"
|
|
"varying vec2 v_texcoord;\n"
|
|
"void main()\n"
|
|
"{\n"
|
|
" gl_Position = proj * vec4(position, 0.0, 1.0);\n"
|
|
" v_texcoord = texcoord;\n"
|
|
"}\n";
|
|
|
|
/* Declare common fragment shader uniforms */
|
|
#define FRAGMENT_CONVERT_YUV \
|
|
" y *= alpha;\n" \
|
|
" u *= alpha;\n" \
|
|
" v *= alpha;\n" \
|
|
" gl_FragColor.r = y + 1.59602678 * v;\n" \
|
|
" gl_FragColor.g = y - 0.39176229 * u - 0.81296764 * v;\n" \
|
|
" gl_FragColor.b = y + 2.01723214 * u;\n" \
|
|
" gl_FragColor.a = alpha;\n"
|
|
|
|
static const char fragment_debug[] =
|
|
" gl_FragColor = vec4(0.0, 0.3, 0.0, 0.2) + gl_FragColor * 0.8;\n";
|
|
|
|
static const char fragment_brace[] =
|
|
"}\n";
|
|
|
|
static const char texture_fragment_shader_rgba[] =
|
|
"precision mediump float;\n"
|
|
"varying vec2 v_texcoord;\n"
|
|
"uniform sampler2D tex;\n"
|
|
"uniform float alpha;\n"
|
|
"void main()\n"
|
|
"{\n"
|
|
" gl_FragColor = alpha * texture2D(tex, v_texcoord)\n;"
|
|
;
|
|
|
|
static const char texture_fragment_shader_rgbx[] =
|
|
"precision mediump float;\n"
|
|
"varying vec2 v_texcoord;\n"
|
|
"uniform sampler2D tex;\n"
|
|
"uniform float alpha;\n"
|
|
"void main()\n"
|
|
"{\n"
|
|
" gl_FragColor.rgb = alpha * texture2D(tex, v_texcoord).rgb\n;"
|
|
" gl_FragColor.a = alpha;\n"
|
|
;
|
|
|
|
static const char texture_fragment_shader_egl_external[] =
|
|
"#extension GL_OES_EGL_image_external : require\n"
|
|
"precision mediump float;\n"
|
|
"varying vec2 v_texcoord;\n"
|
|
"uniform samplerExternalOES tex;\n"
|
|
"uniform float alpha;\n"
|
|
"void main()\n"
|
|
"{\n"
|
|
" gl_FragColor = alpha * texture2D(tex, v_texcoord)\n;"
|
|
;
|
|
|
|
static const char texture_fragment_shader_y_uv[] =
|
|
"precision mediump float;\n"
|
|
"uniform sampler2D tex;\n"
|
|
"uniform sampler2D tex1;\n"
|
|
"varying vec2 v_texcoord;\n"
|
|
"uniform float alpha;\n"
|
|
"void main() {\n"
|
|
" float y = 1.16438356 * (texture2D(tex, v_texcoord).x - 0.0625);\n"
|
|
" float u = texture2D(tex1, v_texcoord).r - 0.5;\n"
|
|
" float v = texture2D(tex1, v_texcoord).g - 0.5;\n"
|
|
FRAGMENT_CONVERT_YUV
|
|
;
|
|
|
|
static const char texture_fragment_shader_y_u_v[] =
|
|
"precision mediump float;\n"
|
|
"uniform sampler2D tex;\n"
|
|
"uniform sampler2D tex1;\n"
|
|
"uniform sampler2D tex2;\n"
|
|
"varying vec2 v_texcoord;\n"
|
|
"uniform float alpha;\n"
|
|
"void main() {\n"
|
|
" float y = 1.16438356 * (texture2D(tex, v_texcoord).x - 0.0625);\n"
|
|
" float u = texture2D(tex1, v_texcoord).x - 0.5;\n"
|
|
" float v = texture2D(tex2, v_texcoord).x - 0.5;\n"
|
|
FRAGMENT_CONVERT_YUV
|
|
;
|
|
|
|
static const char texture_fragment_shader_y_xuxv[] =
|
|
"precision mediump float;\n"
|
|
"uniform sampler2D tex;\n"
|
|
"uniform sampler2D tex1;\n"
|
|
"varying vec2 v_texcoord;\n"
|
|
"uniform float alpha;\n"
|
|
"void main() {\n"
|
|
" float y = 1.16438356 * (texture2D(tex, v_texcoord).x - 0.0625);\n"
|
|
" float u = texture2D(tex1, v_texcoord).g - 0.5;\n"
|
|
" float v = texture2D(tex1, v_texcoord).a - 0.5;\n"
|
|
FRAGMENT_CONVERT_YUV
|
|
;
|
|
|
|
static const char solid_fragment_shader[] =
|
|
"precision mediump float;\n"
|
|
"uniform vec4 color;\n"
|
|
"uniform float alpha;\n"
|
|
"void main()\n"
|
|
"{\n"
|
|
" gl_FragColor = alpha * color\n;"
|
|
;
|
|
|
|
static int
|
|
compile_shader(GLenum type, int count, const char **sources)
|
|
{
|
|
GLuint s;
|
|
char msg[512];
|
|
GLint status;
|
|
|
|
s = glCreateShader(type);
|
|
glShaderSource(s, count, sources, NULL);
|
|
glCompileShader(s);
|
|
glGetShaderiv(s, GL_COMPILE_STATUS, &status);
|
|
if (!status) {
|
|
glGetShaderInfoLog(s, sizeof msg, NULL, msg);
|
|
weston_log("shader info: %s\n", msg);
|
|
return GL_NONE;
|
|
}
|
|
|
|
return s;
|
|
}
|
|
|
|
static int
|
|
shader_init(struct gl_shader *shader, struct gl_renderer *renderer,
|
|
const char *vertex_source, const char *fragment_source)
|
|
{
|
|
char msg[512];
|
|
GLint status;
|
|
int count;
|
|
const char *sources[3];
|
|
|
|
shader->vertex_shader =
|
|
compile_shader(GL_VERTEX_SHADER, 1, &vertex_source);
|
|
|
|
if (renderer->fragment_shader_debug) {
|
|
sources[0] = fragment_source;
|
|
sources[1] = fragment_debug;
|
|
sources[2] = fragment_brace;
|
|
count = 3;
|
|
} else {
|
|
sources[0] = fragment_source;
|
|
sources[1] = fragment_brace;
|
|
count = 2;
|
|
}
|
|
|
|
shader->fragment_shader =
|
|
compile_shader(GL_FRAGMENT_SHADER, count, sources);
|
|
|
|
shader->program = glCreateProgram();
|
|
glAttachShader(shader->program, shader->vertex_shader);
|
|
glAttachShader(shader->program, shader->fragment_shader);
|
|
glBindAttribLocation(shader->program, 0, "position");
|
|
glBindAttribLocation(shader->program, 1, "texcoord");
|
|
|
|
glLinkProgram(shader->program);
|
|
glGetProgramiv(shader->program, GL_LINK_STATUS, &status);
|
|
if (!status) {
|
|
glGetProgramInfoLog(shader->program, sizeof msg, NULL, msg);
|
|
weston_log("link info: %s\n", msg);
|
|
return -1;
|
|
}
|
|
|
|
shader->proj_uniform = glGetUniformLocation(shader->program, "proj");
|
|
shader->tex_uniforms[0] = glGetUniformLocation(shader->program, "tex");
|
|
shader->tex_uniforms[1] = glGetUniformLocation(shader->program, "tex1");
|
|
shader->tex_uniforms[2] = glGetUniformLocation(shader->program, "tex2");
|
|
shader->alpha_uniform = glGetUniformLocation(shader->program, "alpha");
|
|
shader->color_uniform = glGetUniformLocation(shader->program, "color");
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
shader_release(struct gl_shader *shader)
|
|
{
|
|
glDeleteShader(shader->vertex_shader);
|
|
glDeleteShader(shader->fragment_shader);
|
|
glDeleteProgram(shader->program);
|
|
|
|
shader->vertex_shader = 0;
|
|
shader->fragment_shader = 0;
|
|
shader->program = 0;
|
|
}
|
|
|
|
static void
|
|
log_extensions(const char *name, const char *extensions)
|
|
{
|
|
const char *p, *end;
|
|
int l;
|
|
int len;
|
|
|
|
l = weston_log("%s:", name);
|
|
p = extensions;
|
|
while (*p) {
|
|
end = strchrnul(p, ' ');
|
|
len = end - p;
|
|
if (l + len > 78)
|
|
l = weston_log_continue("\n" STAMP_SPACE "%.*s",
|
|
len, p);
|
|
else
|
|
l += weston_log_continue(" %.*s", len, p);
|
|
for (p = end; isspace(*p); p++)
|
|
;
|
|
}
|
|
weston_log_continue("\n");
|
|
}
|
|
|
|
static void
|
|
log_egl_gl_info(EGLDisplay egldpy)
|
|
{
|
|
const char *str;
|
|
|
|
str = eglQueryString(egldpy, EGL_VERSION);
|
|
weston_log("EGL version: %s\n", str ? str : "(null)");
|
|
|
|
str = eglQueryString(egldpy, EGL_VENDOR);
|
|
weston_log("EGL vendor: %s\n", str ? str : "(null)");
|
|
|
|
str = eglQueryString(egldpy, EGL_CLIENT_APIS);
|
|
weston_log("EGL client APIs: %s\n", str ? str : "(null)");
|
|
|
|
str = eglQueryString(egldpy, EGL_EXTENSIONS);
|
|
log_extensions("EGL extensions", str ? str : "(null)");
|
|
|
|
str = (char *)glGetString(GL_VERSION);
|
|
weston_log("GL version: %s\n", str ? str : "(null)");
|
|
|
|
str = (char *)glGetString(GL_SHADING_LANGUAGE_VERSION);
|
|
weston_log("GLSL version: %s\n", str ? str : "(null)");
|
|
|
|
str = (char *)glGetString(GL_VENDOR);
|
|
weston_log("GL vendor: %s\n", str ? str : "(null)");
|
|
|
|
str = (char *)glGetString(GL_RENDERER);
|
|
weston_log("GL renderer: %s\n", str ? str : "(null)");
|
|
|
|
str = (char *)glGetString(GL_EXTENSIONS);
|
|
log_extensions("GL extensions", str ? str : "(null)");
|
|
}
|
|
|
|
static void
|
|
log_egl_config_info(EGLDisplay egldpy, EGLConfig eglconfig)
|
|
{
|
|
EGLint r, g, b, a;
|
|
|
|
weston_log("Chosen EGL config details:\n");
|
|
|
|
weston_log_continue(STAMP_SPACE "RGBA bits");
|
|
if (eglGetConfigAttrib(egldpy, eglconfig, EGL_RED_SIZE, &r) &&
|
|
eglGetConfigAttrib(egldpy, eglconfig, EGL_GREEN_SIZE, &g) &&
|
|
eglGetConfigAttrib(egldpy, eglconfig, EGL_BLUE_SIZE, &b) &&
|
|
eglGetConfigAttrib(egldpy, eglconfig, EGL_ALPHA_SIZE, &a))
|
|
weston_log_continue(": %d %d %d %d\n", r, g, b, a);
|
|
else
|
|
weston_log_continue(" unknown\n");
|
|
|
|
weston_log_continue(STAMP_SPACE "swap interval range");
|
|
if (eglGetConfigAttrib(egldpy, eglconfig, EGL_MIN_SWAP_INTERVAL, &a) &&
|
|
eglGetConfigAttrib(egldpy, eglconfig, EGL_MAX_SWAP_INTERVAL, &b))
|
|
weston_log_continue(": %d - %d\n", a, b);
|
|
else
|
|
weston_log_continue(" unknown\n");
|
|
}
|
|
|
|
static int
|
|
match_config_to_visual(EGLDisplay egl_display,
|
|
EGLint visual_id,
|
|
EGLConfig *configs,
|
|
int count)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < count; ++i) {
|
|
EGLint id;
|
|
|
|
if (!eglGetConfigAttrib(egl_display,
|
|
configs[i], EGL_NATIVE_VISUAL_ID,
|
|
&id))
|
|
continue;
|
|
|
|
if (id == visual_id)
|
|
return i;
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
|
|
static int
|
|
egl_choose_config(struct gl_renderer *gr, const EGLint *attribs,
|
|
const EGLint *visual_id, const int n_ids,
|
|
EGLConfig *config_out)
|
|
{
|
|
EGLint count = 0;
|
|
EGLint matched = 0;
|
|
EGLConfig *configs;
|
|
int i, config_index = -1;
|
|
|
|
if (!eglGetConfigs(gr->egl_display, NULL, 0, &count) || count < 1) {
|
|
weston_log("No EGL configs to choose from.\n");
|
|
return -1;
|
|
}
|
|
configs = calloc(count, sizeof *configs);
|
|
if (!configs)
|
|
return -1;
|
|
|
|
if (!eglChooseConfig(gr->egl_display, attribs, configs,
|
|
count, &matched) || !matched) {
|
|
weston_log("No EGL configs with appropriate attributes.\n");
|
|
goto out;
|
|
}
|
|
|
|
if (!visual_id || n_ids == 0)
|
|
config_index = 0;
|
|
|
|
for (i = 0; config_index == -1 && i < n_ids; i++)
|
|
config_index = match_config_to_visual(gr->egl_display,
|
|
visual_id[i],
|
|
configs,
|
|
matched);
|
|
|
|
if (config_index != -1)
|
|
*config_out = configs[config_index];
|
|
|
|
out:
|
|
free(configs);
|
|
if (config_index == -1)
|
|
return -1;
|
|
|
|
if (i > 1)
|
|
weston_log("Unable to use first choice EGL config with id"
|
|
" 0x%x, succeeded with alternate id 0x%x.\n",
|
|
visual_id[0], visual_id[i - 1]);
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
gl_renderer_output_set_border(struct weston_output *output,
|
|
enum gl_renderer_border_side side,
|
|
int32_t width, int32_t height,
|
|
int32_t tex_width, unsigned char *data)
|
|
{
|
|
struct gl_output_state *go = get_output_state(output);
|
|
|
|
if (go->borders[side].width != width ||
|
|
go->borders[side].height != height)
|
|
/* In this case, we have to blow everything and do a full
|
|
* repaint. */
|
|
go->border_status |= BORDER_SIZE_CHANGED | BORDER_ALL_DIRTY;
|
|
|
|
if (data == NULL) {
|
|
width = 0;
|
|
height = 0;
|
|
}
|
|
|
|
go->borders[side].width = width;
|
|
go->borders[side].height = height;
|
|
go->borders[side].tex_width = tex_width;
|
|
go->borders[side].data = data;
|
|
go->border_status |= 1 << side;
|
|
}
|
|
|
|
static int
|
|
gl_renderer_setup(struct weston_compositor *ec, EGLSurface egl_surface);
|
|
|
|
static int
|
|
gl_renderer_output_window_create(struct weston_output *output,
|
|
EGLNativeWindowType window_for_legacy,
|
|
void *window_for_platform,
|
|
const EGLint *config_attribs,
|
|
const EGLint *visual_id,
|
|
int n_ids)
|
|
{
|
|
struct weston_compositor *ec = output->compositor;
|
|
struct gl_renderer *gr = get_renderer(ec);
|
|
struct gl_output_state *go;
|
|
EGLConfig egl_config;
|
|
int i;
|
|
|
|
if (egl_choose_config(gr, config_attribs, visual_id,
|
|
n_ids, &egl_config) == -1) {
|
|
weston_log("failed to choose EGL config for output\n");
|
|
return -1;
|
|
}
|
|
|
|
if (egl_config != gr->egl_config &&
|
|
!gr->has_configless_context) {
|
|
weston_log("attempted to use a different EGL config for an "
|
|
"output but EGL_MESA_configless_context is not "
|
|
"supported\n");
|
|
return -1;
|
|
}
|
|
|
|
go = zalloc(sizeof *go);
|
|
if (go == NULL)
|
|
return -1;
|
|
|
|
if (gr->create_platform_window) {
|
|
go->egl_surface =
|
|
gr->create_platform_window(gr->egl_display,
|
|
egl_config,
|
|
window_for_platform,
|
|
NULL);
|
|
} else {
|
|
go->egl_surface =
|
|
eglCreateWindowSurface(gr->egl_display,
|
|
egl_config,
|
|
window_for_legacy, NULL);
|
|
}
|
|
|
|
if (go->egl_surface == EGL_NO_SURFACE) {
|
|
weston_log("failed to create egl surface\n");
|
|
free(go);
|
|
return -1;
|
|
}
|
|
|
|
for (i = 0; i < BUFFER_DAMAGE_COUNT; i++)
|
|
pixman_region32_init(&go->buffer_damage[i]);
|
|
|
|
output->renderer_state = go;
|
|
|
|
log_egl_config_info(gr->egl_display, egl_config);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
gl_renderer_output_destroy(struct weston_output *output)
|
|
{
|
|
struct gl_renderer *gr = get_renderer(output->compositor);
|
|
struct gl_output_state *go = get_output_state(output);
|
|
int i;
|
|
|
|
for (i = 0; i < 2; i++)
|
|
pixman_region32_fini(&go->buffer_damage[i]);
|
|
|
|
eglDestroySurface(gr->egl_display, go->egl_surface);
|
|
|
|
free(go);
|
|
}
|
|
|
|
static EGLSurface
|
|
gl_renderer_output_surface(struct weston_output *output)
|
|
{
|
|
return get_output_state(output)->egl_surface;
|
|
}
|
|
|
|
static void
|
|
gl_renderer_destroy(struct weston_compositor *ec)
|
|
{
|
|
struct gl_renderer *gr = get_renderer(ec);
|
|
struct dmabuf_image *image, *next;
|
|
|
|
wl_signal_emit(&gr->destroy_signal, gr);
|
|
|
|
if (gr->has_bind_display)
|
|
gr->unbind_display(gr->egl_display, ec->wl_display);
|
|
|
|
/* Work around crash in egl_dri2.c's dri2_make_current() - when does this apply? */
|
|
eglMakeCurrent(gr->egl_display,
|
|
EGL_NO_SURFACE, EGL_NO_SURFACE,
|
|
EGL_NO_CONTEXT);
|
|
|
|
|
|
wl_list_for_each_safe(image, next, &gr->dmabuf_images, link)
|
|
dmabuf_image_destroy(image);
|
|
|
|
if (gr->dummy_surface != EGL_NO_SURFACE)
|
|
eglDestroySurface(gr->egl_display, gr->dummy_surface);
|
|
|
|
eglTerminate(gr->egl_display);
|
|
eglReleaseThread();
|
|
|
|
wl_list_remove(&gr->output_destroy_listener.link);
|
|
|
|
wl_array_release(&gr->vertices);
|
|
wl_array_release(&gr->vtxcnt);
|
|
|
|
if (gr->fragment_binding)
|
|
weston_binding_destroy(gr->fragment_binding);
|
|
if (gr->fan_binding)
|
|
weston_binding_destroy(gr->fan_binding);
|
|
|
|
free(gr);
|
|
}
|
|
|
|
static void
|
|
renderer_setup_egl_client_extensions(struct gl_renderer *gr)
|
|
{
|
|
const char *extensions;
|
|
|
|
extensions = eglQueryString(EGL_NO_DISPLAY, EGL_EXTENSIONS);
|
|
if (!extensions) {
|
|
weston_log("Retrieving EGL client extension string failed.\n");
|
|
return;
|
|
}
|
|
|
|
if (weston_check_egl_extension(extensions, "EGL_EXT_platform_base"))
|
|
gr->create_platform_window =
|
|
(void *) eglGetProcAddress("eglCreatePlatformWindowSurfaceEXT");
|
|
else
|
|
weston_log("warning: EGL_EXT_platform_base not supported.\n");
|
|
}
|
|
|
|
static int
|
|
gl_renderer_setup_egl_extensions(struct weston_compositor *ec)
|
|
{
|
|
struct gl_renderer *gr = get_renderer(ec);
|
|
const char *extensions;
|
|
EGLBoolean ret;
|
|
|
|
gr->create_image = (void *) eglGetProcAddress("eglCreateImageKHR");
|
|
gr->destroy_image = (void *) eglGetProcAddress("eglDestroyImageKHR");
|
|
gr->bind_display =
|
|
(void *) eglGetProcAddress("eglBindWaylandDisplayWL");
|
|
gr->unbind_display =
|
|
(void *) eglGetProcAddress("eglUnbindWaylandDisplayWL");
|
|
gr->query_buffer =
|
|
(void *) eglGetProcAddress("eglQueryWaylandBufferWL");
|
|
|
|
extensions =
|
|
(const char *) eglQueryString(gr->egl_display, EGL_EXTENSIONS);
|
|
if (!extensions) {
|
|
weston_log("Retrieving EGL extension string failed.\n");
|
|
return -1;
|
|
}
|
|
|
|
if (weston_check_egl_extension(extensions, "EGL_WL_bind_wayland_display"))
|
|
gr->has_bind_display = 1;
|
|
if (gr->has_bind_display) {
|
|
ret = gr->bind_display(gr->egl_display, ec->wl_display);
|
|
if (!ret)
|
|
gr->has_bind_display = 0;
|
|
}
|
|
|
|
if (weston_check_egl_extension(extensions, "EGL_EXT_buffer_age"))
|
|
gr->has_egl_buffer_age = 1;
|
|
else
|
|
weston_log("warning: EGL_EXT_buffer_age not supported. "
|
|
"Performance could be affected.\n");
|
|
|
|
if (weston_check_egl_extension(extensions, "EGL_EXT_swap_buffers_with_damage"))
|
|
gr->swap_buffers_with_damage =
|
|
(void *) eglGetProcAddress("eglSwapBuffersWithDamageEXT");
|
|
else
|
|
weston_log("warning: EGL_EXT_swap_buffers_with_damage not "
|
|
"supported. Performance could be affected.\n");
|
|
|
|
if (weston_check_egl_extension(extensions, "EGL_MESA_configless_context"))
|
|
gr->has_configless_context = 1;
|
|
|
|
if (weston_check_egl_extension(extensions, "EGL_KHR_surfaceless_context"))
|
|
gr->has_surfaceless_context = 1;
|
|
|
|
if (weston_check_egl_extension(extensions, "EGL_EXT_image_dma_buf_import"))
|
|
gr->has_dmabuf_import = 1;
|
|
|
|
if (weston_check_egl_extension(extensions, "GL_EXT_texture_rg"))
|
|
gr->has_gl_texture_rg = 1;
|
|
|
|
renderer_setup_egl_client_extensions(gr);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const EGLint gl_renderer_opaque_attribs[] = {
|
|
EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
|
|
EGL_RED_SIZE, 1,
|
|
EGL_GREEN_SIZE, 1,
|
|
EGL_BLUE_SIZE, 1,
|
|
EGL_ALPHA_SIZE, 0,
|
|
EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
|
|
EGL_NONE
|
|
};
|
|
|
|
static const EGLint gl_renderer_alpha_attribs[] = {
|
|
EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
|
|
EGL_RED_SIZE, 1,
|
|
EGL_GREEN_SIZE, 1,
|
|
EGL_BLUE_SIZE, 1,
|
|
EGL_ALPHA_SIZE, 1,
|
|
EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
|
|
EGL_NONE
|
|
};
|
|
|
|
|
|
/** Checks whether a platform EGL client extension is supported
|
|
*
|
|
* \param ec The weston compositor
|
|
* \param extension_suffix The EGL client extension suffix
|
|
* \return 1 if supported, 0 if using fallbacks, -1 unsupported
|
|
*
|
|
* This function checks whether a specific platform_* extension is supported
|
|
* by EGL.
|
|
*
|
|
* The extension suffix should be the suffix of the platform extension (that
|
|
* specifies a <platform> argument as defined in EGL_EXT_platform_base). For
|
|
* example, passing "foo" will check whether either "EGL_KHR_platform_foo",
|
|
* "EGL_EXT_platform_foo", or "EGL_MESA_platform_foo" is supported.
|
|
*
|
|
* The return value is 1:
|
|
* - if the supplied EGL client extension is supported.
|
|
* The return value is 0:
|
|
* - if the platform_base client extension isn't supported so will
|
|
* fallback to eglGetDisplay and friends.
|
|
* The return value is -1:
|
|
* - if the supplied EGL client extension is not supported.
|
|
*/
|
|
static int
|
|
gl_renderer_supports(struct weston_compositor *ec,
|
|
const char *extension_suffix)
|
|
{
|
|
static const char *extensions = NULL;
|
|
char s[64];
|
|
|
|
if (!extensions) {
|
|
extensions = (const char *) eglQueryString(
|
|
EGL_NO_DISPLAY, EGL_EXTENSIONS);
|
|
|
|
if (!extensions)
|
|
return 0;
|
|
|
|
log_extensions("EGL client extensions",
|
|
extensions);
|
|
}
|
|
|
|
if (!weston_check_egl_extension(extensions, "EGL_EXT_platform_base"))
|
|
return 0;
|
|
|
|
snprintf(s, sizeof s, "EGL_KHR_platform_%s", extension_suffix);
|
|
if (weston_check_egl_extension(extensions, s))
|
|
return 1;
|
|
|
|
snprintf(s, sizeof s, "EGL_EXT_platform_%s", extension_suffix);
|
|
if (weston_check_egl_extension(extensions, s))
|
|
return 1;
|
|
|
|
snprintf(s, sizeof s, "EGL_MESA_platform_%s", extension_suffix);
|
|
if (weston_check_egl_extension(extensions, s))
|
|
return 1;
|
|
|
|
/* at this point we definitely have some platform extensions but
|
|
* haven't found the supplied platform, so chances are it's
|
|
* not supported. */
|
|
|
|
return -1;
|
|
}
|
|
|
|
static const char *
|
|
platform_to_extension(EGLenum platform)
|
|
{
|
|
switch (platform) {
|
|
case EGL_PLATFORM_GBM_KHR:
|
|
return "gbm";
|
|
case EGL_PLATFORM_WAYLAND_KHR:
|
|
return "wayland";
|
|
case EGL_PLATFORM_X11_KHR:
|
|
return "x11";
|
|
default:
|
|
assert(0 && "bad EGL platform enum");
|
|
}
|
|
}
|
|
|
|
static void
|
|
output_handle_destroy(struct wl_listener *listener, void *data)
|
|
{
|
|
struct gl_renderer *gr;
|
|
struct weston_output *output = data;
|
|
|
|
gr = container_of(listener, struct gl_renderer,
|
|
output_destroy_listener);
|
|
|
|
if (wl_list_empty(&output->compositor->output_list))
|
|
eglMakeCurrent(gr->egl_display, gr->dummy_surface,
|
|
gr->dummy_surface, gr->egl_context);
|
|
}
|
|
|
|
static int
|
|
gl_renderer_create_pbuffer_surface(struct gl_renderer *gr) {
|
|
EGLConfig pbuffer_config;
|
|
|
|
static const EGLint pbuffer_config_attribs[] = {
|
|
EGL_SURFACE_TYPE, EGL_PBUFFER_BIT,
|
|
EGL_RED_SIZE, 1,
|
|
EGL_GREEN_SIZE, 1,
|
|
EGL_BLUE_SIZE, 1,
|
|
EGL_ALPHA_SIZE, 0,
|
|
EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
|
|
EGL_NONE
|
|
};
|
|
|
|
static const EGLint pbuffer_attribs[] = {
|
|
EGL_WIDTH, 10,
|
|
EGL_HEIGHT, 10,
|
|
EGL_NONE
|
|
};
|
|
|
|
if (egl_choose_config(gr, pbuffer_config_attribs, NULL, 0, &pbuffer_config) < 0) {
|
|
weston_log("failed to choose EGL config for PbufferSurface");
|
|
return -1;
|
|
}
|
|
|
|
gr->dummy_surface = eglCreatePbufferSurface(gr->egl_display,
|
|
pbuffer_config,
|
|
pbuffer_attribs);
|
|
|
|
if (gr->dummy_surface == EGL_NO_SURFACE) {
|
|
weston_log("failed to create PbufferSurface\n");
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
gl_renderer_display_create(struct weston_compositor *ec, EGLenum platform,
|
|
void *native_window, const EGLint *platform_attribs,
|
|
const EGLint *config_attribs, const EGLint *visual_id, int n_ids)
|
|
{
|
|
struct gl_renderer *gr;
|
|
EGLint major, minor;
|
|
int supports = 0;
|
|
|
|
if (platform) {
|
|
supports = gl_renderer_supports(
|
|
ec, platform_to_extension(platform));
|
|
if (supports < 0)
|
|
return -1;
|
|
}
|
|
|
|
gr = zalloc(sizeof *gr);
|
|
if (gr == NULL)
|
|
return -1;
|
|
|
|
gr->base.read_pixels = gl_renderer_read_pixels;
|
|
gr->base.repaint_output = gl_renderer_repaint_output;
|
|
gr->base.flush_damage = gl_renderer_flush_damage;
|
|
gr->base.attach = gl_renderer_attach;
|
|
gr->base.surface_set_color = gl_renderer_surface_set_color;
|
|
gr->base.destroy = gl_renderer_destroy;
|
|
gr->base.surface_get_content_size =
|
|
gl_renderer_surface_get_content_size;
|
|
gr->base.surface_copy_content = gl_renderer_surface_copy_content;
|
|
gr->egl_display = NULL;
|
|
|
|
/* extension_suffix is supported */
|
|
if (supports) {
|
|
if (!get_platform_display) {
|
|
get_platform_display = (void *) eglGetProcAddress(
|
|
"eglGetPlatformDisplayEXT");
|
|
}
|
|
|
|
/* also wrap this in the supports check because
|
|
* eglGetProcAddress can return non-NULL and still not
|
|
* support the feature at runtime, so ensure the
|
|
* appropriate extension checks have been done. */
|
|
if (get_platform_display && platform) {
|
|
gr->egl_display = get_platform_display(platform,
|
|
native_window,
|
|
platform_attribs);
|
|
}
|
|
}
|
|
|
|
if (!gr->egl_display) {
|
|
weston_log("warning: either no EGL_EXT_platform_base "
|
|
"support or specific platform support; "
|
|
"falling back to eglGetDisplay.\n");
|
|
gr->egl_display = eglGetDisplay(native_window);
|
|
}
|
|
|
|
if (gr->egl_display == EGL_NO_DISPLAY) {
|
|
weston_log("failed to create display\n");
|
|
goto fail;
|
|
}
|
|
|
|
if (!eglInitialize(gr->egl_display, &major, &minor)) {
|
|
weston_log("failed to initialize display\n");
|
|
goto fail_with_error;
|
|
}
|
|
|
|
if (egl_choose_config(gr, config_attribs, visual_id,
|
|
n_ids, &gr->egl_config) < 0) {
|
|
weston_log("failed to choose EGL config\n");
|
|
goto fail_terminate;
|
|
}
|
|
|
|
ec->renderer = &gr->base;
|
|
ec->capabilities |= WESTON_CAP_ROTATION_ANY;
|
|
ec->capabilities |= WESTON_CAP_CAPTURE_YFLIP;
|
|
ec->capabilities |= WESTON_CAP_VIEW_CLIP_MASK;
|
|
|
|
if (gl_renderer_setup_egl_extensions(ec) < 0)
|
|
goto fail_with_error;
|
|
|
|
wl_list_init(&gr->dmabuf_images);
|
|
if (gr->has_dmabuf_import)
|
|
gr->base.import_dmabuf = gl_renderer_import_dmabuf;
|
|
|
|
if (gr->has_surfaceless_context) {
|
|
weston_log("EGL_KHR_surfaceless_context available\n");
|
|
gr->dummy_surface = EGL_NO_SURFACE;
|
|
} else {
|
|
weston_log("EGL_KHR_surfaceless_context unavailable. "
|
|
"Trying PbufferSurface\n");
|
|
|
|
if (gl_renderer_create_pbuffer_surface(gr) < 0)
|
|
goto fail_with_error;
|
|
}
|
|
|
|
wl_display_add_shm_format(ec->wl_display, WL_SHM_FORMAT_RGB565);
|
|
wl_display_add_shm_format(ec->wl_display, WL_SHM_FORMAT_YUV420);
|
|
wl_display_add_shm_format(ec->wl_display, WL_SHM_FORMAT_NV12);
|
|
|
|
wl_signal_init(&gr->destroy_signal);
|
|
|
|
if (gl_renderer_setup(ec, gr->dummy_surface) < 0) {
|
|
if (gr->dummy_surface != EGL_NO_SURFACE)
|
|
eglDestroySurface(gr->egl_display, gr->dummy_surface);
|
|
goto fail_with_error;
|
|
}
|
|
|
|
return 0;
|
|
|
|
fail_with_error:
|
|
gl_renderer_print_egl_error_state();
|
|
fail_terminate:
|
|
eglTerminate(gr->egl_display);
|
|
fail:
|
|
free(gr);
|
|
return -1;
|
|
}
|
|
|
|
static EGLDisplay
|
|
gl_renderer_display(struct weston_compositor *ec)
|
|
{
|
|
return get_renderer(ec)->egl_display;
|
|
}
|
|
|
|
static int
|
|
compile_shaders(struct weston_compositor *ec)
|
|
{
|
|
struct gl_renderer *gr = get_renderer(ec);
|
|
|
|
gr->texture_shader_rgba.vertex_source = vertex_shader;
|
|
gr->texture_shader_rgba.fragment_source = texture_fragment_shader_rgba;
|
|
|
|
gr->texture_shader_rgbx.vertex_source = vertex_shader;
|
|
gr->texture_shader_rgbx.fragment_source = texture_fragment_shader_rgbx;
|
|
|
|
gr->texture_shader_egl_external.vertex_source = vertex_shader;
|
|
gr->texture_shader_egl_external.fragment_source =
|
|
texture_fragment_shader_egl_external;
|
|
|
|
gr->texture_shader_y_uv.vertex_source = vertex_shader;
|
|
gr->texture_shader_y_uv.fragment_source = texture_fragment_shader_y_uv;
|
|
|
|
gr->texture_shader_y_u_v.vertex_source = vertex_shader;
|
|
gr->texture_shader_y_u_v.fragment_source =
|
|
texture_fragment_shader_y_u_v;
|
|
|
|
gr->texture_shader_y_xuxv.vertex_source = vertex_shader;
|
|
gr->texture_shader_y_xuxv.fragment_source =
|
|
texture_fragment_shader_y_xuxv;
|
|
|
|
gr->solid_shader.vertex_source = vertex_shader;
|
|
gr->solid_shader.fragment_source = solid_fragment_shader;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
fragment_debug_binding(struct weston_keyboard *keyboard, uint32_t time,
|
|
uint32_t key, void *data)
|
|
{
|
|
struct weston_compositor *ec = data;
|
|
struct gl_renderer *gr = get_renderer(ec);
|
|
struct weston_output *output;
|
|
|
|
gr->fragment_shader_debug ^= 1;
|
|
|
|
shader_release(&gr->texture_shader_rgba);
|
|
shader_release(&gr->texture_shader_rgbx);
|
|
shader_release(&gr->texture_shader_egl_external);
|
|
shader_release(&gr->texture_shader_y_uv);
|
|
shader_release(&gr->texture_shader_y_u_v);
|
|
shader_release(&gr->texture_shader_y_xuxv);
|
|
shader_release(&gr->solid_shader);
|
|
|
|
/* Force use_shader() to call glUseProgram(), since we need to use
|
|
* the recompiled version of the shader. */
|
|
gr->current_shader = NULL;
|
|
|
|
wl_list_for_each(output, &ec->output_list, link)
|
|
weston_output_damage(output);
|
|
}
|
|
|
|
static void
|
|
fan_debug_repaint_binding(struct weston_keyboard *keyboard, uint32_t time,
|
|
uint32_t key, void *data)
|
|
{
|
|
struct weston_compositor *compositor = data;
|
|
struct gl_renderer *gr = get_renderer(compositor);
|
|
|
|
gr->fan_debug = !gr->fan_debug;
|
|
weston_compositor_damage_all(compositor);
|
|
}
|
|
|
|
static int
|
|
gl_renderer_setup(struct weston_compositor *ec, EGLSurface egl_surface)
|
|
{
|
|
struct gl_renderer *gr = get_renderer(ec);
|
|
const char *extensions;
|
|
EGLConfig context_config;
|
|
EGLBoolean ret;
|
|
|
|
static const EGLint context_attribs[] = {
|
|
EGL_CONTEXT_CLIENT_VERSION, 2,
|
|
EGL_NONE
|
|
};
|
|
|
|
if (!eglBindAPI(EGL_OPENGL_ES_API)) {
|
|
weston_log("failed to bind EGL_OPENGL_ES_API\n");
|
|
gl_renderer_print_egl_error_state();
|
|
return -1;
|
|
}
|
|
|
|
context_config = gr->egl_config;
|
|
|
|
if (gr->has_configless_context)
|
|
context_config = EGL_NO_CONFIG_MESA;
|
|
|
|
gr->egl_context = eglCreateContext(gr->egl_display, context_config,
|
|
EGL_NO_CONTEXT, context_attribs);
|
|
if (gr->egl_context == NULL) {
|
|
weston_log("failed to create context\n");
|
|
gl_renderer_print_egl_error_state();
|
|
return -1;
|
|
}
|
|
|
|
ret = eglMakeCurrent(gr->egl_display, egl_surface,
|
|
egl_surface, gr->egl_context);
|
|
if (ret == EGL_FALSE) {
|
|
weston_log("Failed to make EGL context current.\n");
|
|
gl_renderer_print_egl_error_state();
|
|
return -1;
|
|
}
|
|
|
|
log_egl_gl_info(gr->egl_display);
|
|
|
|
gr->image_target_texture_2d =
|
|
(void *) eglGetProcAddress("glEGLImageTargetTexture2DOES");
|
|
|
|
extensions = (const char *) glGetString(GL_EXTENSIONS);
|
|
if (!extensions) {
|
|
weston_log("Retrieving GL extension string failed.\n");
|
|
return -1;
|
|
}
|
|
|
|
if (!weston_check_egl_extension(extensions, "GL_EXT_texture_format_BGRA8888")) {
|
|
weston_log("GL_EXT_texture_format_BGRA8888 not available\n");
|
|
return -1;
|
|
}
|
|
|
|
if (weston_check_egl_extension(extensions, "GL_EXT_read_format_bgra"))
|
|
ec->read_format = PIXMAN_a8r8g8b8;
|
|
else
|
|
ec->read_format = PIXMAN_a8b8g8r8;
|
|
|
|
if (weston_check_egl_extension(extensions, "GL_EXT_unpack_subimage"))
|
|
gr->has_unpack_subimage = 1;
|
|
|
|
if (weston_check_egl_extension(extensions, "GL_OES_EGL_image_external"))
|
|
gr->has_egl_image_external = 1;
|
|
|
|
glActiveTexture(GL_TEXTURE0);
|
|
|
|
if (compile_shaders(ec))
|
|
return -1;
|
|
|
|
gr->fragment_binding =
|
|
weston_compositor_add_debug_binding(ec, KEY_S,
|
|
fragment_debug_binding,
|
|
ec);
|
|
gr->fan_binding =
|
|
weston_compositor_add_debug_binding(ec, KEY_F,
|
|
fan_debug_repaint_binding,
|
|
ec);
|
|
|
|
gr->output_destroy_listener.notify = output_handle_destroy;
|
|
wl_signal_add(&ec->output_destroyed_signal,
|
|
&gr->output_destroy_listener);
|
|
|
|
weston_log("GL ES 2 renderer features:\n");
|
|
weston_log_continue(STAMP_SPACE "read-back format: %s\n",
|
|
ec->read_format == PIXMAN_a8r8g8b8 ? "BGRA" : "RGBA");
|
|
weston_log_continue(STAMP_SPACE "wl_shm sub-image to texture: %s\n",
|
|
gr->has_unpack_subimage ? "yes" : "no");
|
|
weston_log_continue(STAMP_SPACE "EGL Wayland extension: %s\n",
|
|
gr->has_bind_display ? "yes" : "no");
|
|
|
|
|
|
return 0;
|
|
}
|
|
|
|
WL_EXPORT struct gl_renderer_interface gl_renderer_interface = {
|
|
.opaque_attribs = gl_renderer_opaque_attribs,
|
|
.alpha_attribs = gl_renderer_alpha_attribs,
|
|
|
|
.display_create = gl_renderer_display_create,
|
|
.display = gl_renderer_display,
|
|
.output_window_create = gl_renderer_output_window_create,
|
|
.output_destroy = gl_renderer_output_destroy,
|
|
.output_surface = gl_renderer_output_surface,
|
|
.output_set_border = gl_renderer_output_set_border,
|
|
.print_egl_error_state = gl_renderer_print_egl_error_state
|
|
};
|