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wine/dlls/winemac.drv/opengl.c

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/*
* Mac driver OpenGL support
*
* Copyright 2012 Alexandre Julliard
* Copyright 2012, 2013 Ken Thomases for CodeWeavers Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include "wine/port.h"
#include "macdrv.h"
#include "winuser.h"
#include "winternl.h"
#include "wine/library.h"
#include "wine/debug.h"
#include "wine/wgl.h"
#include "wine/wgl_driver.h"
#include "wine/wglext.h"
#define __gl_h_
#define __gltypes_h_
#include <OpenGL/OpenGL.h>
#include <OpenGL/glu.h>
#include <OpenGL/CGLRenderers.h>
#include <dlfcn.h>
WINE_DEFAULT_DEBUG_CHANNEL(wgl);
struct gl_info {
char *glVersion;
char *glExtensions;
char wglExtensions[4096];
GLint max_viewport_dims[2];
};
static struct gl_info gl_info;
struct wgl_context
{
HDC hdc;
int format;
macdrv_opengl_context context;
CGLContextObj cglcontext;
macdrv_view draw_view;
struct wgl_pbuffer *draw_pbuffer;
macdrv_view read_view;
struct wgl_pbuffer *read_pbuffer;
BOOL has_been_current;
BOOL sharing;
};
struct wgl_pbuffer
{
CGLPBufferObj pbuffer;
int format;
BOOL no_texture;
int max_level;
GLint level;
GLenum face;
};
static CFMutableDictionaryRef dc_pbuffers;
static CRITICAL_SECTION dc_pbuffers_section;
static CRITICAL_SECTION_DEBUG dc_pbuffers_section_debug =
{
0, 0, &dc_pbuffers_section,
{ &dc_pbuffers_section_debug.ProcessLocksList, &dc_pbuffers_section_debug.ProcessLocksList },
0, 0, { (DWORD_PTR)(__FILE__ ": dc_pbuffers_section") }
};
static CRITICAL_SECTION dc_pbuffers_section = { &dc_pbuffers_section_debug, -1, 0, 0, 0, 0 };
static struct opengl_funcs opengl_funcs;
#define USE_GL_FUNC(name) #name,
static const char *opengl_func_names[] = { ALL_WGL_FUNCS };
#undef USE_GL_FUNC
static void (*pglCopyColorTable)(GLenum target, GLenum internalformat, GLint x, GLint y,
GLsizei width);
static void (*pglCopyPixels)(GLint x, GLint y, GLsizei width, GLsizei height, GLenum type);
static void (*pglReadPixels)(GLint x, GLint y, GLsizei width, GLsizei height,
GLenum format, GLenum type, void *pixels);
static void (*pglViewport)(GLint x, GLint y, GLsizei width, GLsizei height);
struct color_mode {
GLint mode;
int bits_per_pixel;
GLint color_bits; /* including alpha_bits */
int red_bits, red_shift;
int green_bits, green_shift;
int blue_bits, blue_shift;
GLint alpha_bits, alpha_shift;
BOOL is_float;
};
static const struct color_mode color_modes[] = {
{ kCGLRGB444Bit, 16, 12, 4, 8, 4, 4, 4, 0, 0, 0, FALSE },
{ kCGLARGB4444Bit, 16, 16, 4, 8, 4, 4, 4, 0, 4, 12, FALSE },
{ kCGLRGB444A8Bit, 24, 20, 4, 8, 4, 4, 4, 0, 8, 16, FALSE },
{ kCGLRGB555Bit, 16, 15, 5, 10, 5, 5, 5, 0, 0, 0, FALSE },
{ kCGLARGB1555Bit, 16, 16, 5, 10, 5, 5, 5, 0, 1, 15, FALSE },
{ kCGLRGB555A8Bit, 24, 23, 5, 10, 5, 5, 5, 0, 8, 16, FALSE },
{ kCGLRGB565Bit, 16, 16, 5, 11, 6, 5, 5, 0, 0, 0, FALSE },
{ kCGLRGB565A8Bit, 24, 24, 5, 11, 6, 5, 5, 0, 8, 16, FALSE },
{ kCGLRGB888Bit, 32, 24, 8, 16, 8, 8, 8, 0, 0, 0, FALSE },
{ kCGLARGB8888Bit, 32, 32, 8, 16, 8, 8, 8, 0, 8, 24, FALSE },
{ kCGLRGB888A8Bit, 40, 32, 8, 16, 8, 8, 8, 0, 8, 32, FALSE },
{ kCGLRGB101010Bit, 32, 30, 10, 20, 10, 10, 10, 0, 0, 0, FALSE },
{ kCGLARGB2101010Bit, 32, 32, 10, 20, 10, 10, 10, 0, 2, 30, FALSE },
{ kCGLRGB101010_A8Bit, 40, 38, 10, 20, 10, 10, 10, 0, 8, 32, FALSE },
{ kCGLRGB121212Bit, 48, 36, 12, 24, 12, 12, 12, 0, 0, 0, FALSE },
{ kCGLARGB12121212Bit, 48, 48, 12, 24, 12, 12, 12, 0, 12, 36, FALSE },
{ kCGLRGB161616Bit, 64, 48, 16, 48, 16, 32, 16, 16, 0, 0, FALSE },
{ kCGLRGBA16161616Bit, 64, 64, 16, 48, 16, 32, 16, 16, 16, 0, FALSE },
{ kCGLRGBFloat64Bit, 64, 48, 16, 32, 16, 16, 16, 0, 0, 0, TRUE },
{ kCGLRGBAFloat64Bit, 64, 64, 16, 48, 16, 32, 16, 16, 16, 0, TRUE },
{ kCGLRGBFloat128Bit, 128, 96, 32, 96, 32, 64, 32, 32, 0, 0, TRUE },
{ kCGLRGBAFloat128Bit, 128, 128, 32, 96, 32, 64, 32, 32, 32, 0, TRUE },
{ kCGLRGBFloat256Bit, 256, 192, 64, 192, 64, 128, 64, 64, 0, 0, TRUE },
{ kCGLRGBAFloat256Bit, 256, 256, 64, 192, 64, 128, 64, 64, 64, 0, TRUE },
};
static const struct {
GLint mode;
int bits;
} depth_stencil_modes[] = {
{ kCGL0Bit, 0 },
{ kCGL1Bit, 1 },
{ kCGL2Bit, 2 },
{ kCGL3Bit, 3 },
{ kCGL4Bit, 4 },
{ kCGL5Bit, 5 },
{ kCGL6Bit, 6 },
{ kCGL8Bit, 8 },
{ kCGL10Bit, 10 },
{ kCGL12Bit, 12 },
{ kCGL16Bit, 16 },
{ kCGL24Bit, 24 },
{ kCGL32Bit, 32 },
{ kCGL48Bit, 48 },
{ kCGL64Bit, 64 },
{ kCGL96Bit, 96 },
{ kCGL128Bit, 128 },
};
typedef struct {
GLint renderer_id;
GLint buffer_modes;
GLint color_modes;
GLint accum_modes;
GLint depth_modes;
GLint stencil_modes;
GLint max_aux_buffers;
GLint max_sample_buffers;
GLint max_samples;
BOOL offscreen;
BOOL accelerated;
BOOL backing_store;
BOOL window;
BOOL online;
} renderer_properties;
typedef struct {
unsigned int window:1;
unsigned int pbuffer:1;
unsigned int accelerated:1;
unsigned int color_mode:5; /* index into color_modes table */
unsigned int aux_buffers:3;
unsigned int depth_bits:8;
unsigned int stencil_bits:8;
unsigned int accum_mode:5; /* 1 + index into color_modes table (0 means no accum buffer) */
unsigned int double_buffer:1;
unsigned int stereo:1;
unsigned int sample_buffers:1;
unsigned int samples:5;
unsigned int backing_store:1;
} pixel_format;
typedef union
{
pixel_format format;
UInt64 code;
} pixel_format_or_code;
static pixel_format *pixel_formats;
static int nb_formats, nb_displayable_formats;
static void *opengl_handle;
static BOOL get_renderer_property(CGLRendererInfoObj renderer_info, GLint renderer_index,
CGLRendererProperty property, GLint *value)
{
CGLError err = CGLDescribeRenderer(renderer_info, renderer_index, property, value);
if (err != kCGLNoError)
WARN("CGLDescribeRenderer failed for property %d: %d %s\n", property, err, CGLErrorString(err));
return (err == kCGLNoError);
}
static void get_renderer_properties(CGLRendererInfoObj renderer_info, int renderer_index, renderer_properties* properties)
{
GLint value;
memset(properties, 0, sizeof(*properties));
if (get_renderer_property(renderer_info, renderer_index, kCGLRPRendererID, &value))
properties->renderer_id = value & kCGLRendererIDMatchingMask;
if (get_renderer_property(renderer_info, renderer_index, kCGLRPBufferModes, &value))
properties->buffer_modes = value;
if (get_renderer_property(renderer_info, renderer_index, kCGLRPColorModes, &value))
properties->color_modes = value;
if (get_renderer_property(renderer_info, renderer_index, kCGLRPAccumModes, &value))
properties->accum_modes = value;
if (get_renderer_property(renderer_info, renderer_index, kCGLRPDepthModes, &value))
properties->depth_modes = value;
if (get_renderer_property(renderer_info, renderer_index, kCGLRPStencilModes, &value))
properties->stencil_modes = value;
if (get_renderer_property(renderer_info, renderer_index, kCGLRPMaxAuxBuffers, &value))
properties->max_aux_buffers = value;
if (get_renderer_property(renderer_info, renderer_index, kCGLRPMaxSampleBuffers, &value))
properties->max_sample_buffers = value;
if (get_renderer_property(renderer_info, renderer_index, kCGLRPMaxSamples, &value))
properties->max_samples = value;
if (get_renderer_property(renderer_info, renderer_index, kCGLRPOffScreen, &value))
properties->offscreen = (value != 0);
if (get_renderer_property(renderer_info, renderer_index, kCGLRPAccelerated, &value))
properties->accelerated = (value != 0);
if (get_renderer_property(renderer_info, renderer_index, kCGLRPBackingStore, &value))
properties->backing_store = (value != 0);
if (get_renderer_property(renderer_info, renderer_index, kCGLRPWindow, &value))
properties->window = (value != 0);
if (get_renderer_property(renderer_info, renderer_index, kCGLRPOnline, &value))
properties->online = (value != 0);
}
static void dump_renderer(const renderer_properties* renderer)
{
int i;
TRACE("Renderer ID: 0x%08x\n", renderer->renderer_id);
TRACE("Buffer modes:\n");
TRACE(" Monoscopic: %s\n", (renderer->buffer_modes & kCGLMonoscopicBit) ? "YES" : "NO");
TRACE(" Stereoscopic: %s\n", (renderer->buffer_modes & kCGLStereoscopicBit) ? "YES" : "NO");
TRACE(" Single buffer: %s\n", (renderer->buffer_modes & kCGLSingleBufferBit) ? "YES" : "NO");
TRACE(" Double buffer: %s\n", (renderer->buffer_modes & kCGLDoubleBufferBit) ? "YES" : "NO");
TRACE("Color buffer modes:\n");
for (i = 0; i < sizeof(color_modes)/sizeof(color_modes[0]); i++)
{
if (renderer->color_modes & color_modes[i].mode)
{
TRACE(" Color size %d, Alpha size %d", color_modes[i].color_bits, color_modes[i].alpha_bits);
if (color_modes[i].is_float)
TRACE(", Float");
TRACE("\n");
}
}
TRACE("Accumulation buffer sizes: { ");
for (i = 0; i < sizeof(color_modes)/sizeof(color_modes[0]); i++)
{
if (renderer->accum_modes & color_modes[i].mode)
TRACE("%d, ", color_modes[i].color_bits);
}
TRACE("}\n");
TRACE("Depth buffer sizes: { ");
for (i = 0; i < sizeof(depth_stencil_modes)/sizeof(depth_stencil_modes[0]); i++)
{
if (renderer->depth_modes & depth_stencil_modes[i].mode)
TRACE("%d, ", depth_stencil_modes[i].bits);
}
TRACE("}\n");
TRACE("Stencil buffer sizes: { ");
for (i = 0; i < sizeof(depth_stencil_modes)/sizeof(depth_stencil_modes[0]); i++)
{
if (renderer->stencil_modes & depth_stencil_modes[i].mode)
TRACE("%d, ", depth_stencil_modes[i].bits);
}
TRACE("}\n");
TRACE("Max. Auxiliary Buffers: %d\n", renderer->max_aux_buffers);
TRACE("Max. Sample Buffers: %d\n", renderer->max_sample_buffers);
TRACE("Max. Samples: %d\n", renderer->max_samples);
TRACE("Offscreen: %s\n", renderer->offscreen ? "YES" : "NO");
TRACE("Accelerated: %s\n", renderer->accelerated ? "YES" : "NO");
TRACE("Backing store: %s\n", renderer->backing_store ? "YES" : "NO");
TRACE("Window: %s\n", renderer->window ? "YES" : "NO");
TRACE("Online: %s\n", renderer->online ? "YES" : "NO");
}
static inline UInt64 code_for_pixel_format(const pixel_format* format)
{
pixel_format_or_code pfc;
pfc.code = 0;
pfc.format = *format;
return pfc.code;
}
static inline pixel_format pixel_format_for_code(UInt64 code)
{
pixel_format_or_code pfc;
pfc.code = code;
return pfc.format;
}
static const char *debugstr_pf(const pixel_format *pf)
{
return wine_dbg_sprintf("w/p/a %u/%u/%u col %u%s/%u dp/stn/ac/ax/b/db/str %u/%u/%u/%u/%u/%u/%u samp %u/%u %017llx",
pf->window,
pf->pbuffer,
pf->accelerated,
color_modes[pf->color_mode].color_bits,
(color_modes[pf->color_mode].is_float ? "f" : ""),
color_modes[pf->color_mode].alpha_bits,
pf->depth_bits,
pf->stencil_bits,
pf->accum_mode ? color_modes[pf->accum_mode - 1].color_bits : 0,
pf->aux_buffers,
pf->backing_store,
pf->double_buffer,
pf->stereo,
pf->sample_buffers,
pf->samples,
code_for_pixel_format(pf));
}
static unsigned int best_color_mode(GLint modes, GLint color_size, GLint alpha_size, GLint color_float)
{
int best = -1;
int i;
for (i = 0; i < sizeof(color_modes)/sizeof(color_modes[0]); i++)
{
if ((modes & color_modes[i].mode) &&
color_modes[i].color_bits >= color_size &&
color_modes[i].alpha_bits >= alpha_size &&
!color_modes[i].is_float == !color_float)
{
if (best < 0) /* no existing best choice */
best = i;
else if (color_modes[i].color_bits == color_size &&
color_modes[i].alpha_bits == alpha_size) /* candidate is exact match */
{
/* prefer it over a best which isn't exact or which has a higher bpp */
if (color_modes[best].color_bits != color_size ||
color_modes[best].alpha_bits != alpha_size ||
color_modes[i].bits_per_pixel < color_modes[best].bits_per_pixel)
best = i;
}
else if (color_modes[i].color_bits < color_modes[best].color_bits ||
(color_modes[i].color_bits == color_modes[best].color_bits &&
color_modes[i].alpha_bits < color_modes[best].alpha_bits)) /* prefer closer */
best = i;
}
}
if (best < 0)
{
/* Couldn't find a match. Return first one that renderer supports. */
for (i = 0; i < sizeof(color_modes)/sizeof(color_modes[0]); i++)
{
if (modes & color_modes[i].mode)
return i;
}
}
return best;
}
static unsigned int best_accum_mode(GLint modes, GLint accum_size)
{
int best = -1;
int i;
for (i = 0; i < sizeof(color_modes)/sizeof(color_modes[0]); i++)
{
if ((modes & color_modes[i].mode) && color_modes[i].color_bits >= accum_size)
{
/* Prefer the fewest color bits, then prefer more alpha bits, then
prefer more bits per pixel. */
if (best < 0)
best = i;
else if (color_modes[i].color_bits < color_modes[best].color_bits)
best = i;
else if (color_modes[i].color_bits == color_modes[best].color_bits)
{
if (color_modes[i].alpha_bits > color_modes[best].alpha_bits)
best = i;
else if (color_modes[i].alpha_bits == color_modes[best].alpha_bits &&
color_modes[i].bits_per_pixel > color_modes[best].bits_per_pixel)
best = i;
}
}
}
if (best < 0)
{
/* Couldn't find a match. Return last one that renderer supports. */
for (i = sizeof(color_modes)/sizeof(color_modes[0]) - 1; i >= 0; i--)
{
if (modes & color_modes[i].mode)
return i;
}
}
return best;
}
static void enum_renderer_pixel_formats(renderer_properties renderer, CFMutableArrayRef pixel_format_array,
CFMutableSetRef pixel_format_set)
{
CGLPixelFormatAttribute attribs[64] = {
kCGLPFAMinimumPolicy,
kCGLPFAClosestPolicy,
kCGLPFARendererID, renderer.renderer_id,
kCGLPFASingleRenderer,
};
int n = 5, n_stack[16], n_stack_idx = -1;
unsigned int tried_pixel_formats = 0, failed_pixel_formats = 0, dupe_pixel_formats = 0,
new_pixel_formats = 0;
pixel_format request;
unsigned int double_buffer;
unsigned int accelerated = renderer.accelerated;
if (accelerated)
{
attribs[n++] = kCGLPFAAccelerated;
attribs[n++] = kCGLPFANoRecovery;
}
n_stack[++n_stack_idx] = n;
for (double_buffer = 0; double_buffer <= 1; double_buffer++)
{
unsigned int aux;
n = n_stack[n_stack_idx];
if ((!double_buffer && !(renderer.buffer_modes & kCGLSingleBufferBit)) ||
(double_buffer && !(renderer.buffer_modes & kCGLDoubleBufferBit)))
continue;
if (double_buffer)
attribs[n++] = kCGLPFADoubleBuffer;
memset(&request, 0, sizeof(request));
request.accelerated = accelerated;
request.double_buffer = double_buffer;
/* Don't bother with in-between aux buffers values: either 0 or max. */
n_stack[++n_stack_idx] = n;
for (aux = 0; aux <= renderer.max_aux_buffers; aux += renderer.max_aux_buffers)
{
unsigned int color_mode;
n = n_stack[n_stack_idx];
attribs[n++] = kCGLPFAAuxBuffers;
attribs[n++] = aux;
request.aux_buffers = aux;
n_stack[++n_stack_idx] = n;
for (color_mode = 0; color_mode < sizeof(color_modes)/sizeof(color_modes[0]); color_mode++)
{
unsigned int depth_mode;
n = n_stack[n_stack_idx];
if (!(renderer.color_modes & color_modes[color_mode].mode))
continue;
attribs[n++] = kCGLPFAColorSize;
attribs[n++] = color_modes[color_mode].color_bits;
attribs[n++] = kCGLPFAAlphaSize;
attribs[n++] = color_modes[color_mode].alpha_bits;
if (color_modes[color_mode].is_float)
attribs[n++] = kCGLPFAColorFloat;
request.color_mode = color_mode;
n_stack[++n_stack_idx] = n;
for (depth_mode = 0; depth_mode < sizeof(depth_stencil_modes)/sizeof(depth_stencil_modes[0]); depth_mode++)
{
unsigned int stencil_mode;
n = n_stack[n_stack_idx];
if (!(renderer.depth_modes & depth_stencil_modes[depth_mode].mode))
continue;
attribs[n++] = kCGLPFADepthSize;
attribs[n++] = depth_stencil_modes[depth_mode].bits;
request.depth_bits = depth_stencil_modes[depth_mode].bits;
n_stack[++n_stack_idx] = n;
for (stencil_mode = 0; stencil_mode < sizeof(depth_stencil_modes)/sizeof(depth_stencil_modes[0]); stencil_mode++)
{
unsigned int stereo;
n = n_stack[n_stack_idx];
if (!(renderer.stencil_modes & depth_stencil_modes[stencil_mode].mode))
continue;
if (accelerated && depth_stencil_modes[depth_mode].bits != 24 && stencil_mode > 0)
continue;
attribs[n++] = kCGLPFAStencilSize;
attribs[n++] = depth_stencil_modes[stencil_mode].bits;
request.stencil_bits = depth_stencil_modes[stencil_mode].bits;
/* FIXME: Could trim search space a bit here depending on GPU.
For ATI Radeon HD 4850, kCGLRGBA16161616Bit implies stereo-capable. */
n_stack[++n_stack_idx] = n;
for (stereo = 0; stereo <= 1; stereo++)
{
int accum_mode;
n = n_stack[n_stack_idx];
if ((!stereo && !(renderer.buffer_modes & kCGLMonoscopicBit)) ||
(stereo && !(renderer.buffer_modes & kCGLStereoscopicBit)))
continue;
if (stereo)
attribs[n++] = kCGLPFAStereo;
request.stereo = stereo;
/* Starts at -1 for a 0 accum size */
n_stack[++n_stack_idx] = n;
for (accum_mode = -1; accum_mode < (int)(sizeof(color_modes)/sizeof(color_modes[0])); accum_mode++)
{
unsigned int target_pass;
n = n_stack[n_stack_idx];
if (accum_mode >= 0)
{
if (!(renderer.accum_modes & color_modes[accum_mode].mode))
continue;
attribs[n++] = kCGLPFAAccumSize;
attribs[n++] = color_modes[accum_mode].color_bits;
request.accum_mode = accum_mode + 1;
}
else
request.accum_mode = 0;
/* Targets to request are:
accelerated: window OR window + pbuffer
software: window + pbuffer */
n_stack[++n_stack_idx] = n;
for (target_pass = 0; target_pass <= accelerated; target_pass++)
{
unsigned int samples, max_samples;
n = n_stack[n_stack_idx];
attribs[n++] = kCGLPFAWindow;
request.window = 1;
if (!accelerated || target_pass > 0)
{
attribs[n++] = kCGLPFAPBuffer;
request.pbuffer = 1;
}
else
request.pbuffer = 0;
/* FIXME: Could trim search space a bit here depending on GPU.
For Nvidia GeForce 8800 GT, limited to 4 samples for color_bits >= 128.
For ATI Radeon HD 4850, can't multi-sample for color_bits >= 64 or pbuffer. */
n_stack[++n_stack_idx] = n;
max_samples = renderer.max_sample_buffers ? max(1, renderer.max_samples) : 1;
for (samples = 1; samples <= max_samples; samples *= 2)
{
unsigned int backing_store, min_backing_store, max_backing_store;
n = n_stack[n_stack_idx];
if (samples > 1)
{
attribs[n++] = kCGLPFASampleBuffers;
attribs[n++] = renderer.max_sample_buffers;
attribs[n++] = kCGLPFASamples;
attribs[n++] = samples;
request.sample_buffers = renderer.max_sample_buffers;
request.samples = samples;
}
else
request.sample_buffers = request.samples = 0;
if (renderer.backing_store && double_buffer)
{
/* The software renderer seems to always preserve the backing store, whether
we ask for it or not. So don't bother not asking for it. */
min_backing_store = accelerated ? 0 : 1;
max_backing_store = 1;
}
else
min_backing_store = max_backing_store = 0;
n_stack[++n_stack_idx] = n;
for (backing_store = min_backing_store; backing_store <= max_backing_store; backing_store++)
{
CGLPixelFormatObj pix;
GLint virtualScreens;
CGLError err;
n = n_stack[n_stack_idx];
if (backing_store)
attribs[n++] = kCGLPFABackingStore;
request.backing_store = backing_store;
attribs[n] = 0;
err = CGLChoosePixelFormat(attribs, &pix, &virtualScreens);
if (err == kCGLNoError && pix)
{
pixel_format pf;
GLint value, color_size, alpha_size, color_float;
UInt64 pf_code;
CFNumberRef code_object;
BOOL dupe;
memset(&pf, 0, sizeof(pf));
if (CGLDescribePixelFormat(pix, 0, kCGLPFAAccelerated, &value) == kCGLNoError)
pf.accelerated = value;
if (CGLDescribePixelFormat(pix, 0, kCGLPFAAuxBuffers, &value) == kCGLNoError)
pf.aux_buffers = value;
if (CGLDescribePixelFormat(pix, 0, kCGLPFADepthSize, &value) == kCGLNoError)
pf.depth_bits = value;
if (CGLDescribePixelFormat(pix, 0, kCGLPFADoubleBuffer, &value) == kCGLNoError)
pf.double_buffer = value;
if (pf.double_buffer &&
CGLDescribePixelFormat(pix, 0, kCGLPFABackingStore, &value) == kCGLNoError)
pf.backing_store = value;
if (CGLDescribePixelFormat(pix, 0, kCGLPFAPBuffer, &value) == kCGLNoError)
pf.pbuffer = value;
if (CGLDescribePixelFormat(pix, 0, kCGLPFASampleBuffers, &value) == kCGLNoError)
pf.sample_buffers = value;
if (pf.sample_buffers &&
CGLDescribePixelFormat(pix, 0, kCGLPFASamples, &value) == kCGLNoError)
pf.samples = value;
if (CGLDescribePixelFormat(pix, 0, kCGLPFAStencilSize, &value) == kCGLNoError)
pf.stencil_bits = value;
if (CGLDescribePixelFormat(pix, 0, kCGLPFAStereo, &value) == kCGLNoError)
pf.stereo = value;
if (CGLDescribePixelFormat(pix, 0, kCGLPFAWindow, &value) == kCGLNoError)
pf.window = value;
if (CGLDescribePixelFormat(pix, 0, kCGLPFAColorSize, &color_size) != kCGLNoError)
color_size = 0;
if (CGLDescribePixelFormat(pix, 0, kCGLPFAAlphaSize, &alpha_size) != kCGLNoError)
alpha_size = 0;
if (CGLDescribePixelFormat(pix, 0, kCGLPFAColorFloat, &color_float) != kCGLNoError)
color_float = 0;
pf.color_mode = best_color_mode(renderer.color_modes, color_size, alpha_size, color_float);
if (CGLDescribePixelFormat(pix, 0, kCGLPFAAccumSize, &value) == kCGLNoError && value)
pf.accum_mode = best_accum_mode(renderer.accum_modes, value) + 1;
CGLReleasePixelFormat(pix);
pf_code = code_for_pixel_format(&pf);
code_object = CFNumberCreate(NULL, kCFNumberSInt64Type, &pf_code);
if ((dupe = CFSetContainsValue(pixel_format_set, code_object)))
dupe_pixel_formats++;
else
{
CFSetAddValue(pixel_format_set, code_object);
CFArrayAppendValue(pixel_format_array, code_object);
new_pixel_formats++;
}
CFRelease(code_object);
if (pf_code == code_for_pixel_format(&request))
TRACE("%s%s\n", debugstr_pf(&pf), dupe ? " (duplicate)" : "");
else
{
TRACE("%s remapped from %s%s\n", debugstr_pf(&pf), debugstr_pf(&request),
dupe ? " (duplicate)" : "");
}
}
else
{
failed_pixel_formats++;
TRACE("%s failed request err %d %s\n", debugstr_pf(&request), err, err ? CGLErrorString(err) : "");
}
tried_pixel_formats++;
}
n_stack_idx--;
}
n_stack_idx--;
}
n_stack_idx--;
}
n_stack_idx--;
}
n_stack_idx--;
}
n_stack_idx--;
}
n_stack_idx--;
}
n_stack_idx--;
}
n_stack_idx--;
}
n_stack_idx--;
TRACE("Number of pixel format attribute combinations: %u\n", tried_pixel_formats);
TRACE(" Number which failed to choose a pixel format: %u\n", failed_pixel_formats);
TRACE(" Number which chose redundant pixel formats: %u\n", dupe_pixel_formats);
TRACE("Number of new pixel formats for this renderer: %u\n", new_pixel_formats);
}
/* The docs for WGL_ARB_pixel_format say:
Indices are assigned to pixel formats in the following order:
1. Accelerated pixel formats that are displayable
2. Accelerated pixel formats that are displayable and which have
extended attributes
3. Generic pixel formats
4. Accelerated pixel formats that are non displayable
*/
static int pixel_format_category(pixel_format pf)
{
/* non-displayable */
if (!pf.window)
return 4;
/* non-accelerated a.k.a. software a.k.a. generic */
if (!pf.accelerated)
return 3;
/* extended attributes that can't be represented in PIXELFORMATDESCRIPTOR */
if (color_modes[pf.color_mode].is_float)
return 2;
/* accelerated, displayable, no extended attributes */
return 1;
}
static CFComparisonResult pixel_format_comparator(const void *val1, const void *val2, void *context)
{
CFNumberRef number1 = val1;
CFNumberRef number2 = val2;
UInt64 code1, code2;
pixel_format pf1, pf2;
int category1, category2;
CFNumberGetValue(number1, kCFNumberLongLongType, &code1);
CFNumberGetValue(number2, kCFNumberLongLongType, &code2);
pf1 = pixel_format_for_code(code1);
pf2 = pixel_format_for_code(code2);
category1 = pixel_format_category(pf1);
category2 = pixel_format_category(pf2);
if (category1 < category2)
return kCFCompareLessThan;
if (category1 > category2)
return kCFCompareGreaterThan;
/* Within a category, sort the "best" formats toward the front since that's
what wglChoosePixelFormatARB() has to do. The ordering implemented here
matches at least one Windows 7 machine's behavior.
*/
/* Accelerated before unaccelerated. */
if (pf1.accelerated && !pf2.accelerated)
return kCFCompareLessThan;
if (!pf1.accelerated && pf2.accelerated)
return kCFCompareGreaterThan;
/* Integer color modes before floating-point. */
if (!color_modes[pf1.color_mode].is_float && color_modes[pf2.color_mode].is_float)
return kCFCompareLessThan;
if (color_modes[pf1.color_mode].is_float && !color_modes[pf2.color_mode].is_float)
return kCFCompareGreaterThan;
/* For integer color modes, higher color bits before lower. For floating-point mode,
the reverse. */
if (color_modes[pf1.color_mode].color_bits - color_modes[pf1.color_mode].alpha_bits >
color_modes[pf2.color_mode].color_bits - color_modes[pf2.color_mode].alpha_bits)
return color_modes[pf1.color_mode].is_float ? kCFCompareGreaterThan : kCFCompareLessThan;
if (color_modes[pf1.color_mode].color_bits - color_modes[pf1.color_mode].alpha_bits <
color_modes[pf2.color_mode].color_bits - color_modes[pf2.color_mode].alpha_bits)
return color_modes[pf1.color_mode].is_float ? kCFCompareLessThan : kCFCompareGreaterThan;
/* Mac-ism: in the rare case that color bits are equal but bpp are not, prefer fewer bpp. */
if (color_modes[pf1.color_mode].bits_per_pixel < color_modes[pf2.color_mode].bits_per_pixel)
return kCFCompareLessThan;
if (color_modes[pf1.color_mode].bits_per_pixel > color_modes[pf2.color_mode].bits_per_pixel)
return kCFCompareGreaterThan;
/* Non-pbuffer-capable before pbuffer-capable. */
if (!pf1.pbuffer && pf2.pbuffer)
return kCFCompareLessThan;
if (pf1.pbuffer && !pf2.pbuffer)
return kCFCompareGreaterThan;
/* Fewer samples before more samples. */
if (pf1.samples < pf2.samples)
return kCFCompareLessThan;
if (pf1.samples > pf2.samples)
return kCFCompareGreaterThan;
/* Monoscopic before stereoscopic. (This is a guess.) */
if (!pf1.stereo && pf2.stereo)
return kCFCompareLessThan;
if (pf1.stereo && !pf2.stereo)
return kCFCompareGreaterThan;
/* Single buffered before double buffered. */
if (!pf1.double_buffer && pf2.double_buffer)
return kCFCompareLessThan;
if (pf1.double_buffer && !pf2.double_buffer)
return kCFCompareGreaterThan;
/* Possibly-optimized double buffering before backing-store-preserving
double buffering. */
if (!pf1.backing_store && pf2.backing_store)
return kCFCompareLessThan;
if (pf1.backing_store && !pf2.backing_store)
return kCFCompareGreaterThan;
/* Bigger depth buffer before smaller depth buffer. */
if (pf1.depth_bits > pf2.depth_bits)
return kCFCompareLessThan;
if (pf1.depth_bits < pf2.depth_bits)
return kCFCompareGreaterThan;
/* Smaller stencil buffer before bigger stencil buffer. */
if (pf1.stencil_bits < pf2.stencil_bits)
return kCFCompareLessThan;
if (pf1.stencil_bits > pf2.stencil_bits)
return kCFCompareGreaterThan;
/* Smaller alpha bits before larger alpha bits. */
if (color_modes[pf1.color_mode].alpha_bits < color_modes[pf2.color_mode].alpha_bits)
return kCFCompareLessThan;
if (color_modes[pf1.color_mode].alpha_bits > color_modes[pf2.color_mode].alpha_bits)
return kCFCompareGreaterThan;
/* Smaller accum buffer before larger accum buffer. (This is a guess.) */
if (pf1.accum_mode)
{
if (pf2.accum_mode)
{
if (color_modes[pf1.accum_mode - 1].color_bits - color_modes[pf1.accum_mode - 1].alpha_bits <
color_modes[pf2.accum_mode - 1].color_bits - color_modes[pf2.accum_mode - 1].alpha_bits)
return kCFCompareLessThan;
if (color_modes[pf1.accum_mode - 1].color_bits - color_modes[pf1.accum_mode - 1].alpha_bits >
color_modes[pf2.accum_mode - 1].color_bits - color_modes[pf2.accum_mode - 1].alpha_bits)
return kCFCompareGreaterThan;
if (color_modes[pf1.accum_mode - 1].bits_per_pixel < color_modes[pf2.accum_mode - 1].bits_per_pixel)
return kCFCompareLessThan;
if (color_modes[pf1.accum_mode - 1].bits_per_pixel > color_modes[pf2.accum_mode - 1].bits_per_pixel)
return kCFCompareGreaterThan;
if (color_modes[pf1.accum_mode - 1].alpha_bits < color_modes[pf2.accum_mode - 1].alpha_bits)
return kCFCompareLessThan;
if (color_modes[pf1.accum_mode - 1].alpha_bits > color_modes[pf2.accum_mode - 1].alpha_bits)
return kCFCompareGreaterThan;
}
else
return kCFCompareGreaterThan;
}
else if (pf2.accum_mode)
return kCFCompareLessThan;
/* Fewer auxiliary buffers before more auxiliary buffers. (This is a guess.) */
if (pf1.aux_buffers < pf2.aux_buffers)
return kCFCompareLessThan;
if (pf1.aux_buffers > pf2.aux_buffers)
return kCFCompareGreaterThan;
/* If we get here, arbitrarily sort based on code. */
if (code1 < code2)
return kCFCompareLessThan;
if (code1 > code2)
return kCFCompareGreaterThan;
return kCFCompareEqualTo;
}
static BOOL init_pixel_formats(void)
{
BOOL ret = FALSE;
CGLRendererInfoObj renderer_info;
GLint rendererCount;
CGLError err;
CFMutableSetRef pixel_format_set;
CFMutableArrayRef pixel_format_array;
int i;
CFRange range;
TRACE("()\n");
assert(sizeof(((pixel_format_or_code*)0)->format) <= sizeof(((pixel_format_or_code*)0)->code));
err = CGLQueryRendererInfo(CGDisplayIDToOpenGLDisplayMask(CGMainDisplayID()), &renderer_info, &rendererCount);
if (err)
{
WARN("CGLQueryRendererInfo failed (%d) %s\n", err, CGLErrorString(err));
return FALSE;
}
pixel_format_set = CFSetCreateMutable(NULL, 0, &kCFTypeSetCallBacks);
if (!pixel_format_set)
{
WARN("CFSetCreateMutable failed\n");
CGLDestroyRendererInfo(renderer_info);
return FALSE;
}
pixel_format_array = CFArrayCreateMutable(NULL, 0, &kCFTypeArrayCallBacks);
if (!pixel_format_array)
{
WARN("CFArrayCreateMutable failed\n");
CFRelease(pixel_format_set);
CGLDestroyRendererInfo(renderer_info);
return FALSE;
}
for (i = 0; i < rendererCount; i++)
{
renderer_properties renderer;
get_renderer_properties(renderer_info, i, &renderer);
if (TRACE_ON(wgl))
{
TRACE("renderer_properties %d:\n", i);
dump_renderer(&renderer);
}
enum_renderer_pixel_formats(renderer, pixel_format_array, pixel_format_set);
}
CFRelease(pixel_format_set);
CGLDestroyRendererInfo(renderer_info);
range = CFRangeMake(0, CFArrayGetCount(pixel_format_array));
if (range.length)
{
pixel_formats = HeapAlloc(GetProcessHeap(), 0, range.length * sizeof(*pixel_formats));
if (pixel_formats)
{
CFArraySortValues(pixel_format_array, range, pixel_format_comparator, NULL);
for (i = 0; i < range.length; i++)
{
CFNumberRef number = CFArrayGetValueAtIndex(pixel_format_array, i);
UInt64 code;
CFNumberGetValue(number, kCFNumberLongLongType, &code);
pixel_formats[i] = pixel_format_for_code(code);
if (pixel_formats[i].window)
nb_displayable_formats++;
}
nb_formats = range.length;
TRACE("Total number of unique pixel formats: %d\n", nb_formats);
ret = TRUE;
}
else
WARN("failed to allocate pixel format list\n");
}
else
WARN("got no pixel formats\n");
CFRelease(pixel_format_array);
return ret;
}
static inline BOOL is_valid_pixel_format(int format)
{
return format > 0 && format <= nb_formats;
}
static inline BOOL is_displayable_pixel_format(int format)
{
return format > 0 && format <= nb_displayable_formats;
}
static const pixel_format *get_pixel_format(int format, BOOL allow_nondisplayable)
{
/* Check if the pixel format is valid. Note that it is legal to pass an invalid
* format in case of probing the number of pixel formats.
*/
if (is_valid_pixel_format(format) && (is_displayable_pixel_format(format) || allow_nondisplayable))
{
TRACE("Returning format %d\n", format);
return &pixel_formats[format - 1];
}
return NULL;
}
static BOOL init_gl_info(void)
{
CGDirectDisplayID display = CGMainDisplayID();
CGOpenGLDisplayMask displayMask = CGDisplayIDToOpenGLDisplayMask(display);
CGLPixelFormatAttribute attribs[] = {
kCGLPFADisplayMask, displayMask,
0
};
CGLPixelFormatObj pix;
GLint virtualScreens;
CGLError err;
CGLContextObj context;
CGLContextObj old_context = CGLGetCurrentContext();
const char *str;
err = CGLChoosePixelFormat(attribs, &pix, &virtualScreens);
if (err != kCGLNoError || !pix)
{
WARN("CGLChoosePixelFormat() failed with error %d %s\n", err, CGLErrorString(err));
return FALSE;
}
err = CGLCreateContext(pix, NULL, &context);
CGLReleasePixelFormat(pix);
if (err != kCGLNoError || !context)
{
WARN("CGLCreateContext() failed with error %d %s\n", err, CGLErrorString(err));
return FALSE;
}
err = CGLSetCurrentContext(context);
if (err != kCGLNoError)
{
WARN("CGLSetCurrentContext() failed with error %d %s\n", err, CGLErrorString(err));
CGLReleaseContext(context);
return FALSE;
}
str = (const char*)opengl_funcs.gl.p_glGetString(GL_VERSION);
gl_info.glVersion = HeapAlloc(GetProcessHeap(), 0, strlen(str) + 1);
strcpy(gl_info.glVersion, str);
str = (const char*)opengl_funcs.gl.p_glGetString(GL_EXTENSIONS);
gl_info.glExtensions = HeapAlloc(GetProcessHeap(), 0, strlen(str) + 1);
strcpy(gl_info.glExtensions, str);
opengl_funcs.gl.p_glGetIntegerv(GL_MAX_VIEWPORT_DIMS, gl_info.max_viewport_dims);
TRACE("GL version : %s\n", gl_info.glVersion);
TRACE("GL renderer : %s\n", opengl_funcs.gl.p_glGetString(GL_RENDERER));
CGLSetCurrentContext(old_context);
CGLReleaseContext(context);
return TRUE;
}
static BOOL get_gl_view_window_rect(struct macdrv_win_data *data, macdrv_window *window, RECT *rect)
{
BOOL ret = TRUE;
*rect = data->client_rect;
if (data->cocoa_window)
{
if (window)
*window = data->cocoa_window;
OffsetRect(rect, -data->whole_rect.left, -data->whole_rect.top);
}
else
{
HWND top = GetAncestor(data->hwnd, GA_ROOT);
HWND parent = GetAncestor(data->hwnd, GA_PARENT);
struct macdrv_win_data *top_data = get_win_data(top);
if (top_data && top_data->cocoa_window)
{
if (window)
*window = top_data->cocoa_window;
MapWindowPoints(parent, 0, (POINT*)rect, 2);
OffsetRect(rect, -top_data->whole_rect.left, -top_data->whole_rect.top);
}
else
ret = FALSE;
release_win_data(top_data);
}
return ret;
}
/***********************************************************************
* set_win_format
*/
static BOOL set_win_format(struct macdrv_win_data *data, int format)
{
macdrv_window cocoa_window;
TRACE("hwnd %p format %d\n", data->hwnd, format);
if (!get_gl_view_window_rect(data, &cocoa_window, &data->gl_rect))
{
ERR("no top-level parent with Cocoa window in this process\n");
return FALSE;
}
if (data->gl_view) macdrv_dispose_view(data->gl_view);
data->gl_view = macdrv_create_view(cocoa_window, cgrect_from_rect(data->gl_rect));
if (!data->gl_view)
{
WARN("failed to create GL view for window %p rect %s\n", cocoa_window, wine_dbgstr_rect(&data->gl_rect));
return FALSE;
}
TRACE("created GL view %p in window %p at %s\n", data->gl_view, cocoa_window,
wine_dbgstr_rect(&data->gl_rect));
data->pixel_format = format;
return TRUE;
}
/**********************************************************************
* set_pixel_format
*
* Implementation of wglSetPixelFormat and wglSetPixelFormatWINE.
*/
static BOOL set_pixel_format(HDC hdc, int fmt, BOOL allow_reset)
{
struct macdrv_win_data *data;
const pixel_format *pf;
HWND hwnd = WindowFromDC(hdc);
BOOL ret = FALSE;
TRACE("hdc %p format %d\n", hdc, fmt);
if (!hwnd || hwnd == GetDesktopWindow())
{
WARN("not a proper window DC %p/%p\n", hdc, hwnd);
return FALSE;
}
if (!(data = get_win_data(hwnd)))
{
FIXME("DC for window %p of other process: not implemented\n", hwnd);
return FALSE;
}
if (!allow_reset && data->pixel_format) /* cannot change it if already set */
{
ret = (data->pixel_format == fmt);
goto done;
}
/* Check if fmt is in our list of supported formats to see if it is supported. */
pf = get_pixel_format(fmt, FALSE /* non-displayable */);
if (!pf)
{
ERR("Invalid pixel format: %d\n", fmt);
goto done;
}
if (!pf->window)
{
WARN("Pixel format %d is not compatible for window rendering\n", fmt);
goto done;
}
if (!set_win_format(data, fmt))
{
WARN("Couldn't set format of the window, returning failure\n");
goto done;
}
TRACE("pixel format:\n");
TRACE(" window: %u\n", (unsigned int)pf->window);
TRACE(" pBuffer: %u\n", (unsigned int)pf->pbuffer);
TRACE(" accelerated: %u\n", (unsigned int)pf->accelerated);
TRACE(" color bits: %u%s\n", (unsigned int)color_modes[pf->color_mode].color_bits, (color_modes[pf->color_mode].is_float ? " float" : ""));
TRACE(" alpha bits: %u\n", (unsigned int)color_modes[pf->color_mode].alpha_bits);
TRACE(" aux buffers: %u\n", (unsigned int)pf->aux_buffers);
TRACE(" depth bits: %u\n", (unsigned int)pf->depth_bits);
TRACE(" stencil bits: %u\n", (unsigned int)pf->stencil_bits);
TRACE(" accum bits: %u\n", (unsigned int)pf->accum_mode ? color_modes[pf->accum_mode - 1].color_bits : 0);
TRACE(" double_buffer: %u\n", (unsigned int)pf->double_buffer);
TRACE(" stereo: %u\n", (unsigned int)pf->stereo);
TRACE(" sample_buffers: %u\n", (unsigned int)pf->sample_buffers);
TRACE(" samples: %u\n", (unsigned int)pf->samples);
TRACE(" backing_store: %u\n", (unsigned int)pf->backing_store);
ret = TRUE;
done:
release_win_data(data);
if (ret) __wine_set_pixel_format(hwnd, fmt);
return ret;
}
/**********************************************************************
* set_gl_view_parent
*/
void set_gl_view_parent(HWND hwnd, HWND parent)
{
struct macdrv_win_data *data;
if (!(data = get_win_data(hwnd))) return;
if (data->gl_view)
{
macdrv_window cocoa_window;
TRACE("moving GL view %p to parent %p\n", data->gl_view, parent);
if (!get_gl_view_window_rect(data, &cocoa_window, &data->gl_rect))
{
ERR("no top-level parent with Cocoa window in this process\n");
macdrv_dispose_view(data->gl_view);
data->gl_view = NULL;
release_win_data(data);
__wine_set_pixel_format( hwnd, 0 );
return;
}
macdrv_set_view_window_and_frame(data->gl_view, cocoa_window, cgrect_from_rect(data->gl_rect));
}
release_win_data(data);
}
/**********************************************************************
* make_context_current
*/
static void make_context_current(struct wgl_context *context, BOOL read)
{
macdrv_view view;
struct wgl_pbuffer *pbuffer;
if (read)
{
view = context->read_view;
pbuffer = context->read_pbuffer;
}
else
{
view = context->draw_view;
pbuffer = context->draw_pbuffer;
}
if (view || !pbuffer)
macdrv_make_context_current(context->context, view);
else
{
CGLSetPBuffer(context->cglcontext, pbuffer->pbuffer, pbuffer->face,
pbuffer->level, 0);
CGLSetCurrentContext(context->cglcontext);
}
}
/**********************************************************************
* macdrv_glCopyColorTable
*
* Hook into glCopyColorTable as part of the implementation of
* wglMakeContextCurrentARB. If the context has a separate readable,
* temporarily make that current, do glCopyColorTable, and then set it
* back to the drawable. This is modeled after what Mesa GLX's Apple
* implementation does.
*/
static void macdrv_glCopyColorTable(GLenum target, GLenum internalformat, GLint x, GLint y,
GLsizei width)
{
struct wgl_context *context = NtCurrentTeb()->glContext;
if (context->read_view || context->read_pbuffer)
make_context_current(context, TRUE);
pglCopyColorTable(target, internalformat, x, y, width);
if (context->read_view || context->read_pbuffer)
make_context_current(context, FALSE);
}
/**********************************************************************
* macdrv_glCopyPixels
*
* Hook into glCopyPixels as part of the implementation of
* wglMakeContextCurrentARB. If the context has a separate readable,
* temporarily make that current, do glCopyPixels, and then set it back
* to the drawable. This is modeled after what Mesa GLX's Apple
* implementation does.
*/
static void macdrv_glCopyPixels(GLint x, GLint y, GLsizei width, GLsizei height, GLenum type)
{
struct wgl_context *context = NtCurrentTeb()->glContext;
if (context->read_view || context->read_pbuffer)
make_context_current(context, TRUE);
pglCopyPixels(x, y, width, height, type);
if (context->read_view || context->read_pbuffer)
make_context_current(context, FALSE);
}
/**********************************************************************
* macdrv_glReadPixels
*
* Hook into glReadPixels as part of the implementation of
* wglMakeContextCurrentARB. If the context has a separate readable,
* temporarily make that current, do glReadPixels, and then set it back
* to the drawable. This is modeled after what Mesa GLX's Apple
* implementation does.
*/
static void macdrv_glReadPixels(GLint x, GLint y, GLsizei width, GLsizei height,
GLenum format, GLenum type, void *pixels)
{
struct wgl_context *context = NtCurrentTeb()->glContext;
if (context->read_view || context->read_pbuffer)
make_context_current(context, TRUE);
pglReadPixels(x, y, width, height, format, type, pixels);
if (context->read_view || context->read_pbuffer)
make_context_current(context, FALSE);
}
/**********************************************************************
* macdrv_glViewport
*
* Hook into glViewport as an opportunity to update the OpenGL context
* if necessary. This is modeled after what Mesa GLX's Apple
* implementation does.
*/
static void macdrv_glViewport(GLint x, GLint y, GLsizei width, GLsizei height)
{
struct wgl_context *context = NtCurrentTeb()->glContext;
macdrv_update_opengl_context(context->context);
pglViewport(x, y, width, height);
}
/***********************************************************************
* macdrv_wglBindTexImageARB
*
* WGL_ARB_render_texture: wglBindTexImageARB
*/
static BOOL macdrv_wglBindTexImageARB(struct wgl_pbuffer *pbuffer, int iBuffer)
{
struct wgl_context *context = NtCurrentTeb()->glContext;
GLenum source;
CGLError err;
TRACE("pbuffer %p iBuffer 0x%x\n", pbuffer, iBuffer);
if (pbuffer->no_texture)
{
SetLastError(ERROR_INVALID_OPERATION);
return GL_FALSE;
}
if (!context->draw_view && context->draw_pbuffer == pbuffer)
opengl_funcs.gl.p_glFlush();
switch (iBuffer)
{
case WGL_FRONT_LEFT_ARB:
if (pixel_formats[pbuffer->format].stereo)
source = GL_FRONT_LEFT;
else
source = GL_FRONT;
break;
case WGL_FRONT_RIGHT_ARB:
source = GL_FRONT_RIGHT;
break;
case WGL_BACK_LEFT_ARB:
if (pixel_formats[pbuffer->format].stereo)
source = GL_BACK_LEFT;
else
source = GL_BACK;
break;
case WGL_BACK_RIGHT_ARB:
source = GL_BACK_RIGHT;
break;
case WGL_AUX0_ARB: source = GL_AUX0; break;
case WGL_AUX1_ARB: source = GL_AUX1; break;
case WGL_AUX2_ARB: source = GL_AUX2; break;
case WGL_AUX3_ARB: source = GL_AUX3; break;
case WGL_AUX4_ARB:
case WGL_AUX5_ARB:
case WGL_AUX6_ARB:
case WGL_AUX7_ARB:
case WGL_AUX8_ARB:
case WGL_AUX9_ARB:
FIXME("unsupported source buffer 0x%x\n", iBuffer);
SetLastError(ERROR_INVALID_DATA);
return GL_FALSE;
default:
WARN("unknown source buffer 0x%x\n", iBuffer);
SetLastError(ERROR_INVALID_DATA);
return GL_FALSE;
}
err = CGLTexImagePBuffer(context->cglcontext, pbuffer->pbuffer, source);
if (err != kCGLNoError)
{
WARN("CGLTexImagePBuffer failed with err %d %s\n", err, CGLErrorString(err));
SetLastError(ERROR_INVALID_OPERATION);
return GL_FALSE;
}
return GL_TRUE;
}
/***********************************************************************
* macdrv_wglChoosePixelFormatARB
*
* WGL_ARB_pixel_format: wglChoosePixelFormatARB
*/
static BOOL macdrv_wglChoosePixelFormatARB(HDC hdc, const int *piAttribIList,
const FLOAT *pfAttribFList, UINT nMaxFormats,
int *piFormats, UINT *nNumFormats)
{
pixel_format pf, valid;
const int *iptr;
int color_bits, red_bits, green_bits, blue_bits, alpha_bits;
int accum_bits, accum_red_bits, accum_green_bits, accum_blue_bits, accum_alpha_bits;
int float_color;
BOOL srgb;
int i, found = 0;
TRACE("hdc %p piAttribIList %p pfAttribFList %p nMaxFormats %u piFormats %p nNumFormats %p\n",
hdc, piAttribIList, pfAttribFList, nMaxFormats, piFormats, nNumFormats);
if (pfAttribFList)
FIXME("unused pfAttribFList\n");
memset(&pf, 0, sizeof(pf));
memset(&valid, 0, sizeof(valid));
color_bits = red_bits = green_bits = blue_bits = alpha_bits = 0;
accum_bits = accum_red_bits = accum_green_bits = accum_blue_bits = accum_alpha_bits = 0;
float_color = -1;
srgb = FALSE;
for (iptr = piAttribIList; iptr && *iptr; iptr += 2)
{
int attr = iptr[0];
int value = iptr[1];
switch (attr)
{
case WGL_DRAW_TO_WINDOW_ARB:
if (valid.window && (!pf.window != !value)) goto cant_match;
pf.window = (value != 0);
valid.window = 1;
break;
case WGL_DRAW_TO_BITMAP_ARB:
goto cant_match;
case WGL_ACCELERATION_ARB:
if (value == WGL_FULL_ACCELERATION_ARB)
value = 1;
else if (value == WGL_NO_ACCELERATION_ARB)
value = 0;
else
goto cant_match;
if (valid.accelerated && pf.accelerated != value) goto cant_match;
pf.accelerated = value;
valid.accelerated = 1;
break;
case WGL_NEED_PALETTE_ARB:
case WGL_NEED_SYSTEM_PALETTE_ARB:
case WGL_SWAP_LAYER_BUFFERS_ARB:
if (value) goto cant_match;
break;
case WGL_SWAP_METHOD_ARB:
if (value == WGL_SWAP_COPY_ARB)
value = 1;
else if (value == WGL_SWAP_UNDEFINED_ARB)
value = 0;
else
goto cant_match;
if (valid.backing_store && pf.backing_store != value) goto cant_match;
if (valid.double_buffer && !pf.double_buffer && value) goto cant_match;
pf.backing_store = value;
valid.backing_store = 1;
break;
case WGL_NUMBER_OVERLAYS_ARB:
case WGL_NUMBER_UNDERLAYS_ARB:
if (value) goto cant_match;
break;
case WGL_SHARE_DEPTH_ARB:
case WGL_SHARE_STENCIL_ARB:
case WGL_SHARE_ACCUM_ARB:
/* no effect */
break;
case WGL_SUPPORT_GDI_ARB:
if (value) goto cant_match;
break;
case WGL_SUPPORT_OPENGL_ARB:
if (!value) goto cant_match;
break;
case WGL_DOUBLE_BUFFER_ARB:
if (valid.double_buffer && (!pf.double_buffer != !value)) goto cant_match;
pf.double_buffer = (value != 0);
valid.double_buffer = 1;
if (valid.backing_store && pf.backing_store && !pf.double_buffer) goto cant_match;
break;
case WGL_STEREO_ARB:
if (valid.stereo && (!pf.stereo != !value)) goto cant_match;
pf.stereo = (value != 0);
valid.stereo = 1;
break;
case WGL_PIXEL_TYPE_ARB:
if (value == WGL_TYPE_RGBA_FLOAT_ARB)
value = 1;
else if (value == WGL_TYPE_RGBA_ARB)
value = 0;
else
{
/* Mac contexts don't support rendering to unsigned floating
point formats, even if GL_EXT_packed_float is supported.
So, WGL_TYPE_RGBA_UNSIGNED_FLOAT_EXT is not supported. */
goto cant_match;
}
if (float_color != -1 && float_color != value) goto cant_match;
if (srgb && value) goto cant_match;
float_color = value;
break;
case WGL_COLOR_BITS_ARB:
if (color_bits < value) color_bits = value;
break;
case WGL_RED_BITS_ARB:
if (srgb && value > 8) goto cant_match;
if (red_bits < value) red_bits = value;
break;
case WGL_GREEN_BITS_ARB:
if (srgb && value > 8) goto cant_match;
if (green_bits < value) green_bits = value;
break;
case WGL_BLUE_BITS_ARB:
if (srgb && value > 8) goto cant_match;
if (blue_bits < value) blue_bits = value;
break;
case WGL_ALPHA_BITS_ARB:
if (alpha_bits < value) alpha_bits = value;
break;
case WGL_ACCUM_BITS_ARB:
if (accum_bits < value) accum_bits = value;
break;
case WGL_ACCUM_RED_BITS_ARB:
if (accum_red_bits < value) accum_red_bits = value;
break;
case WGL_ACCUM_GREEN_BITS_ARB:
if (accum_green_bits < value) accum_green_bits = value;
break;
case WGL_ACCUM_BLUE_BITS_ARB:
if (accum_blue_bits < value) accum_blue_bits = value;
break;
case WGL_ACCUM_ALPHA_BITS_ARB:
if (accum_alpha_bits < value) accum_alpha_bits = value;
break;
case WGL_DEPTH_BITS_ARB:
if (value > 255) goto cant_match;
if (pf.depth_bits < value) pf.depth_bits = value;
break;
case WGL_STENCIL_BITS_ARB:
if (value > 255) goto cant_match;
if (pf.stencil_bits < value) pf.stencil_bits = value;
break;
case WGL_AUX_BUFFERS_ARB:
if (value > 7) goto cant_match;
if (pf.aux_buffers < value) pf.aux_buffers = value;
break;
case WGL_SAMPLE_BUFFERS_ARB:
if (value > 1) goto cant_match;
if (pf.sample_buffers < value) pf.sample_buffers = value;
break;
case WGL_SAMPLES_ARB:
if (value > 31) goto cant_match;
if (pf.samples < value) pf.samples = value;
break;
case WGL_FRAMEBUFFER_SRGB_CAPABLE_ARB: /* a.k.a. WGL_FRAMEBUFFER_SRGB_CAPABLE_EXT */
/* sRGB is only supported for 8-bit integer color components */
if (float_color >= 1 || red_bits > 8 || green_bits > 8 || blue_bits > 8)
goto cant_match;
srgb = TRUE;
break;
case WGL_NUMBER_PIXEL_FORMATS_ARB:
case WGL_RED_SHIFT_ARB:
case WGL_GREEN_SHIFT_ARB:
case WGL_BLUE_SHIFT_ARB:
case WGL_ALPHA_SHIFT_ARB:
case WGL_TRANSPARENT_ARB:
case WGL_TRANSPARENT_RED_VALUE_ARB:
case WGL_TRANSPARENT_GREEN_VALUE_ARB:
case WGL_TRANSPARENT_BLUE_VALUE_ARB:
case WGL_TRANSPARENT_ALPHA_VALUE_ARB:
case WGL_TRANSPARENT_INDEX_VALUE_ARB:
/* ignored */
break;
case WGL_DRAW_TO_PBUFFER_ARB:
case WGL_BIND_TO_TEXTURE_RGB_ARB:
case WGL_BIND_TO_TEXTURE_RGBA_ARB:
case WGL_BIND_TO_TEXTURE_RECTANGLE_RGB_NV:
case WGL_BIND_TO_TEXTURE_RECTANGLE_RGBA_NV:
if (valid.pbuffer && (!pf.pbuffer != !value)) goto cant_match;
pf.pbuffer = (value != 0);
valid.pbuffer = 1;
if ((attr == WGL_BIND_TO_TEXTURE_RGBA_ARB || attr == WGL_BIND_TO_TEXTURE_RECTANGLE_RGBA_NV) &&
!alpha_bits)
alpha_bits = 1;
break;
default:
WARN("invalid attribute %x\n", iptr[0]);
return GL_FALSE;
}
}
for (i = 0; i < nb_formats && found < nMaxFormats; i++)
{
const struct color_mode *mode;
if (valid.window && pixel_formats[i].window != pf.window) continue;
if (valid.pbuffer && pixel_formats[i].pbuffer != pf.pbuffer) continue;
if (valid.accelerated && pixel_formats[i].accelerated != pf.accelerated) continue;
if (valid.double_buffer && pixel_formats[i].double_buffer != pf.double_buffer) continue;
if (valid.stereo && pixel_formats[i].stereo != pf.stereo) continue;
if (valid.backing_store && pixel_formats[i].backing_store != pf.backing_store) continue;
if (pixel_formats[i].aux_buffers < pf.aux_buffers) continue;
if (pixel_formats[i].depth_bits < pf.depth_bits) continue;
if (pixel_formats[i].stencil_bits < pf.stencil_bits) continue;
if (pixel_formats[i].sample_buffers < pf.sample_buffers) continue;
if (pixel_formats[i].samples < pf.samples) continue;
mode = &color_modes[pixel_formats[i].color_mode];
/* If the mode doesn't have alpha, check requested color bits against
bits per pixel instead of the mode's color bits. On Windows, color
bits sometimes exceeds r+g+b (e.g. it's 32 for an R8G8B8A0 pixel format).
If an app depends on that and requests WGL_COLOR_BITS_ARB == 32 and
expects that to match such a pixel format, we need to accomodate that. */
if (mode->alpha_bits)
{
if (mode->color_bits < color_bits)
continue;
}
else
{
if (mode->bits_per_pixel < color_bits)
continue;
}
if (mode->red_bits < red_bits || mode->green_bits < green_bits ||
mode->blue_bits < blue_bits || mode->alpha_bits < alpha_bits)
continue;
if (float_color != -1 && (!mode->is_float != !float_color)) continue;
if (srgb && (mode->red_bits != 8 || mode->green_bits != 8 || mode->blue_bits != 8 || mode->is_float))
continue;
if (pixel_formats[i].accum_mode)
{
mode = &color_modes[pixel_formats[i].accum_mode - 1];
if (mode->color_bits < accum_bits || mode->red_bits < accum_red_bits ||
mode->green_bits < accum_green_bits || mode->blue_bits < accum_blue_bits ||
mode->alpha_bits < accum_alpha_bits)
continue;
}
else if (accum_bits || accum_red_bits || accum_green_bits || accum_blue_bits || accum_alpha_bits)
continue;
piFormats[found++] = i;
}
cant_match:
*nNumFormats = found;
return TRUE;
}
/**********************************************************************
* macdrv_wglCreatePbufferARB
*
* WGL_ARB_pbuffer: wglCreatePbufferARB
*/
static struct wgl_pbuffer *macdrv_wglCreatePbufferARB(HDC hdc, int iPixelFormat, int iWidth, int iHeight,
const int *piAttribList)
{
struct wgl_pbuffer* pbuffer;
GLenum target = 0;
GLenum internalFormat = 0;
CGLError err;
TRACE("hdc %p iPixelFormat %d iWidth %d iHeight %d piAttribList %p\n",
hdc, iPixelFormat, iWidth, iHeight, piAttribList);
if (!is_valid_pixel_format(iPixelFormat) || !pixel_formats[iPixelFormat].pbuffer)
{
WARN("invalid pixel format %d\n", iPixelFormat);
SetLastError(ERROR_INVALID_PIXEL_FORMAT);
return NULL;
}
pbuffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*pbuffer));
pbuffer->format = iPixelFormat;
for ( ; piAttribList && *piAttribList; piAttribList += 2)
{
int attr = piAttribList[0];
int value = piAttribList[1];
switch (attr)
{
case WGL_PBUFFER_LARGEST_ARB:
FIXME("WGL_PBUFFER_LARGEST_ARB: %d; ignoring\n", value);
break;
case WGL_TEXTURE_FORMAT_ARB:
switch (value)
{
case WGL_TEXTURE_RGBA_ARB:
TRACE("WGL_TEXTURE_FORMAT_ARB: WGL_TEXTURE_RGBA_ARB\n");
internalFormat = GL_RGBA;
break;
case WGL_TEXTURE_RGB_ARB:
TRACE("WGL_TEXTURE_FORMAT_ARB: WGL_TEXTURE_RGB_ARB\n");
internalFormat = GL_RGB;
break;
case WGL_NO_TEXTURE_ARB:
TRACE("WGL_TEXTURE_FORMAT_ARB: WGL_NO_TEXTURE_ARB\n");
internalFormat = 0;
break;
default:
WARN("unknown WGL_TEXTURE_FORMAT_ARB value 0x%x\n", value);
SetLastError(ERROR_INVALID_DATA);
goto done;
}
break;
case WGL_TEXTURE_TARGET_ARB:
pbuffer->face = 0;
switch (value)
{
case WGL_NO_TEXTURE_ARB:
TRACE("WGL_TEXTURE_TARGET_ARB: WGL_NO_TEXTURE_ARB\n");
target = 0;
break;
case WGL_TEXTURE_CUBE_MAP_ARB:
TRACE("WGL_TEXTURE_TARGET_ARB: WGL_TEXTURE_CUBE_MAP_ARB\n");
target = GL_TEXTURE_CUBE_MAP;
pbuffer->face = GL_TEXTURE_CUBE_MAP_POSITIVE_X;
break;
case WGL_TEXTURE_1D_ARB:
FIXME("WGL_TEXTURE_TARGET_ARB: WGL_TEXTURE_1D_ARB; not supported\n");
SetLastError(ERROR_NO_SYSTEM_RESOURCES);
goto done;
case WGL_TEXTURE_2D_ARB:
TRACE("WGL_TEXTURE_TARGET_ARB: WGL_TEXTURE_2D_ARB\n");
target = GL_TEXTURE_2D;
break;
case WGL_TEXTURE_RECTANGLE_NV:
TRACE("WGL_TEXTURE_TARGET_ARB: WGL_TEXTURE_RECTANGLE_NV\n");
target = GL_TEXTURE_RECTANGLE;
break;
default:
WARN("unknown WGL_TEXTURE_TARGET_ARB value 0x%x\n", value);
SetLastError(ERROR_INVALID_DATA);
goto done;
}
break;
case WGL_MIPMAP_TEXTURE_ARB:
TRACE("WGL_MIPMAP_TEXTURE_ARB: %d\n", value);
pbuffer->max_level = 0;
if (value)
{
int size = min(iWidth, iHeight) / 2;
while (size)
{
pbuffer->max_level++;
size /= 2;
}
}
break;
default:
WARN("unknown attribute 0x%x\n", attr);
SetLastError(ERROR_INVALID_DATA);
goto done;
}
}
if (!target || !internalFormat)
{
pbuffer->no_texture = TRUE;
/* no actual way to turn off ability to texture; use most permissive target */
target = GL_TEXTURE_RECTANGLE;
internalFormat = GL_RGB;
}
err = CGLCreatePBuffer(iWidth, iHeight, target, internalFormat, pbuffer->max_level, &pbuffer->pbuffer);
if (err != kCGLNoError)
{
WARN("CGLCreatePBuffer failed; err %d %s\n", err, CGLErrorString(err));
pbuffer->pbuffer = NULL;
if (err == kCGLBadAlloc)
SetLastError(ERROR_NO_SYSTEM_RESOURCES);
else
SetLastError(ERROR_INVALID_DATA);
}
done:
if (!pbuffer->pbuffer)
{
HeapFree(GetProcessHeap(), 0, pbuffer);
return NULL;
}
TRACE(" -> %p\n", pbuffer);
return pbuffer;
}
/**********************************************************************
* macdrv_wglDestroyPbufferARB
*
* WGL_ARB_pbuffer: wglDestroyPbufferARB
*/
static BOOL macdrv_wglDestroyPbufferARB(struct wgl_pbuffer *pbuffer)
{
TRACE("pbuffer %p\n", pbuffer);
if (pbuffer && pbuffer->pbuffer)
CGLReleasePBuffer(pbuffer->pbuffer);
HeapFree(GetProcessHeap(), 0, pbuffer);
return GL_TRUE;
}
/**********************************************************************
* macdrv_wglGetExtensionsStringARB
*
* WGL_ARB_extensions_string: wglGetExtensionsStringARB
*/
static const GLubyte *macdrv_wglGetExtensionsStringARB(HDC hdc)
{
/* FIXME: Since we're given an HDC, this should be device-specific. I.e.
this can be specific to the CGL renderer like we're supposed to do. */
TRACE("returning \"%s\"\n", gl_info.wglExtensions);
return (const GLubyte*)gl_info.wglExtensions;
}
/**********************************************************************
* macdrv_wglGetExtensionsStringEXT
*
* WGL_EXT_extensions_string: wglGetExtensionsStringEXT
*/
static const GLubyte *macdrv_wglGetExtensionsStringEXT(void)
{
TRACE("returning \"%s\"\n", gl_info.wglExtensions);
return (const GLubyte*)gl_info.wglExtensions;
}
/**********************************************************************
* macdrv_wglGetPbufferDCARB
*
* WGL_ARB_pbuffer: wglGetPbufferDCARB
*/
static HDC macdrv_wglGetPbufferDCARB(struct wgl_pbuffer *pbuffer)
{
HDC hdc;
struct wgl_pbuffer *prev;
hdc = CreateDCA("DISPLAY", NULL, NULL, NULL);
if (!hdc) return 0;
EnterCriticalSection(&dc_pbuffers_section);
prev = (struct wgl_pbuffer*)CFDictionaryGetValue(dc_pbuffers, hdc);
if (prev)
{
CGLReleasePBuffer(prev->pbuffer);
HeapFree(GetProcessHeap(), 0, prev);
}
CFDictionarySetValue(dc_pbuffers, hdc, pbuffer);
LeaveCriticalSection(&dc_pbuffers_section);
TRACE("pbuffer %p -> hdc %p\n", pbuffer, hdc);
return hdc;
}
/**********************************************************************
* macdrv_wglGetPixelFormatAttribivARB
*
* WGL_ARB_pixel_format: wglGetPixelFormatAttribivARB
*/
static BOOL macdrv_wglGetPixelFormatAttribivARB(HDC hdc, int iPixelFormat, int iLayerPlane,
UINT nAttributes, const int *piAttributes, int *piValues)
{
const pixel_format *pf;
UINT i;
TRACE("hdc %p iPixelFormat %d iLayerPlane %d nAttributes %u piAttributes %p piValues %p\n",
hdc, iPixelFormat, iLayerPlane, nAttributes, piAttributes, piValues);
if (!nAttributes) return GL_TRUE;
if (nAttributes == 1 && piAttributes[0] == WGL_NUMBER_PIXEL_FORMATS_ARB)
{
piValues[0] = nb_formats;
return GL_TRUE;
}
pf = get_pixel_format(iPixelFormat, TRUE /* non-displayable */);
if (!pf)
{
WARN("invalid pixel format %d\n", iPixelFormat);
SetLastError(ERROR_INVALID_PIXEL_FORMAT);
return GL_FALSE;
}
for (i = 0; i < nAttributes; ++i)
{
switch (piAttributes[i])
{
case WGL_NUMBER_PIXEL_FORMATS_ARB:
piValues[i] = nb_formats;
break;
case WGL_DRAW_TO_WINDOW_ARB:
piValues[i] = pf->window ? GL_TRUE : GL_FALSE;
break;
case WGL_DRAW_TO_BITMAP_ARB:
piValues[i] = GL_FALSE;
break;
case WGL_ACCELERATION_ARB:
if (iLayerPlane) goto invalid_layer;
if (pf->accelerated)
piValues[i] = WGL_FULL_ACCELERATION_ARB;
else
piValues[i] = WGL_NO_ACCELERATION_ARB;
break;
case WGL_NEED_PALETTE_ARB:
case WGL_NEED_SYSTEM_PALETTE_ARB:
case WGL_SWAP_LAYER_BUFFERS_ARB:
piValues[i] = GL_FALSE;
break;
case WGL_SWAP_METHOD_ARB:
if (pf->double_buffer && pf->backing_store)
piValues[i] = WGL_SWAP_COPY_ARB;
else
piValues[i] = WGL_SWAP_UNDEFINED_ARB;
break;
case WGL_NUMBER_OVERLAYS_ARB:
case WGL_NUMBER_UNDERLAYS_ARB:
piValues[i] = 0;
break;
case WGL_TRANSPARENT_ARB:
if (iLayerPlane) goto invalid_layer;
piValues[i] = GL_FALSE;
break;
case WGL_TRANSPARENT_RED_VALUE_ARB:
case WGL_TRANSPARENT_GREEN_VALUE_ARB:
case WGL_TRANSPARENT_BLUE_VALUE_ARB:
case WGL_TRANSPARENT_ALPHA_VALUE_ARB:
case WGL_TRANSPARENT_INDEX_VALUE_ARB:
if (iLayerPlane) goto invalid_layer;
piValues[i] = 0;
break;
case WGL_SHARE_DEPTH_ARB:
case WGL_SHARE_STENCIL_ARB:
case WGL_SHARE_ACCUM_ARB:
if (iLayerPlane) goto invalid_layer;
piValues[i] = GL_TRUE;
break;
case WGL_SUPPORT_GDI_ARB:
if (iLayerPlane) goto invalid_layer;
piValues[i] = GL_FALSE;
break;
case WGL_SUPPORT_OPENGL_ARB:
if (iLayerPlane) goto invalid_layer;
piValues[i] = GL_TRUE;
break;
case WGL_DOUBLE_BUFFER_ARB:
if (iLayerPlane) goto invalid_layer;
piValues[i] = pf->double_buffer ? GL_TRUE : GL_FALSE;
break;
case WGL_STEREO_ARB:
if (iLayerPlane) goto invalid_layer;
piValues[i] = pf->stereo ? GL_TRUE : GL_FALSE;
break;
case WGL_PIXEL_TYPE_ARB:
if (iLayerPlane) goto invalid_layer;
if (color_modes[pf->color_mode].is_float)
piValues[i] = WGL_TYPE_RGBA_FLOAT_ARB;
else
piValues[i] = WGL_TYPE_RGBA_ARB;
/* WGL_EXT_pixel_format_packed_float may be supported, which should in theory
make another pixel type available: WGL_TYPE_RGBA_UNSIGNED_FLOAT_EXT.
However, Mac contexts don't support rendering to unsigned floating-point
formats, even when GL_EXT_packed_float is supported. */
break;
case WGL_COLOR_BITS_ARB:
if (iLayerPlane) goto invalid_layer;
/* If the mode doesn't have alpha, return bits per pixel instead
of color bits. On Windows, color bits sometimes exceeds r+g+b
(e.g. it's 32 for an R8G8B8A0 pixel format). If an app depends
on that and expects that WGL_COLOR_BITS_ARB >= 32 for such a
pixel format, we need to accomodate that. */
if (color_modes[pf->color_mode].alpha_bits)
piValues[i] = color_modes[pf->color_mode].color_bits;
else
piValues[i] = color_modes[pf->color_mode].bits_per_pixel;
break;
case WGL_RED_BITS_ARB:
if (iLayerPlane) goto invalid_layer;
piValues[i] = color_modes[pf->color_mode].red_bits;
break;
case WGL_RED_SHIFT_ARB:
if (iLayerPlane) goto invalid_layer;
piValues[i] = color_modes[pf->color_mode].red_shift;
break;
case WGL_GREEN_BITS_ARB:
if (iLayerPlane) goto invalid_layer;
piValues[i] = color_modes[pf->color_mode].green_bits;
break;
case WGL_GREEN_SHIFT_ARB:
if (iLayerPlane) goto invalid_layer;
piValues[i] = color_modes[pf->color_mode].green_shift;
break;
case WGL_BLUE_BITS_ARB:
if (iLayerPlane) goto invalid_layer;
piValues[i] = color_modes[pf->color_mode].blue_bits;
break;
case WGL_BLUE_SHIFT_ARB:
if (iLayerPlane) goto invalid_layer;
piValues[i] = color_modes[pf->color_mode].blue_shift;
break;
case WGL_ALPHA_BITS_ARB:
if (iLayerPlane) goto invalid_layer;
piValues[i] = color_modes[pf->color_mode].alpha_bits;
break;
case WGL_ALPHA_SHIFT_ARB:
if (iLayerPlane) goto invalid_layer;
piValues[i] = color_modes[pf->color_mode].alpha_shift;
break;
case WGL_ACCUM_BITS_ARB:
if (iLayerPlane) goto invalid_layer;
if (pf->accum_mode)
piValues[i] = color_modes[pf->accum_mode - 1].color_bits;
else
piValues[i] = 0;
break;
case WGL_ACCUM_RED_BITS_ARB:
if (iLayerPlane) goto invalid_layer;
if (pf->accum_mode)
piValues[i] = color_modes[pf->accum_mode - 1].red_bits;
else
piValues[i] = 0;
break;
case WGL_ACCUM_GREEN_BITS_ARB:
if (iLayerPlane) goto invalid_layer;
if (pf->accum_mode)
piValues[i] = color_modes[pf->accum_mode - 1].green_bits;
else
piValues[i] = 0;
break;
case WGL_ACCUM_BLUE_BITS_ARB:
if (iLayerPlane) goto invalid_layer;
if (pf->accum_mode)
piValues[i] = color_modes[pf->accum_mode - 1].blue_bits;
else
piValues[i] = 0;
break;
case WGL_ACCUM_ALPHA_BITS_ARB:
if (iLayerPlane) goto invalid_layer;
if (pf->accum_mode)
piValues[i] = color_modes[pf->accum_mode - 1].alpha_bits;
else
piValues[i] = 0;
break;
case WGL_DEPTH_BITS_ARB:
if (iLayerPlane) goto invalid_layer;
piValues[i] = pf->depth_bits;
break;
case WGL_STENCIL_BITS_ARB:
if (iLayerPlane) goto invalid_layer;
piValues[i] = pf->stencil_bits;
break;
case WGL_AUX_BUFFERS_ARB:
if (iLayerPlane) goto invalid_layer;
piValues[i] = pf->aux_buffers;
break;
case WGL_SAMPLE_BUFFERS_ARB:
if (iLayerPlane) goto invalid_layer;
piValues[i] = pf->sample_buffers;
break;
case WGL_SAMPLES_ARB:
if (iLayerPlane) goto invalid_layer;
piValues[i] = pf->samples;
break;
case WGL_FRAMEBUFFER_SRGB_CAPABLE_ARB: /* a.k.a. WGL_FRAMEBUFFER_SRGB_CAPABLE_EXT */
if (iLayerPlane) goto invalid_layer;
/* sRGB is only supported for 8-bit integer color components */
if (color_modes[pf->color_mode].red_bits == 8 &&
color_modes[pf->color_mode].green_bits == 8 &&
color_modes[pf->color_mode].blue_bits == 8 &&
!color_modes[pf->color_mode].is_float)
piValues[i] = GL_TRUE;
else
piValues[i] = GL_FALSE;
break;
case WGL_DRAW_TO_PBUFFER_ARB:
case WGL_BIND_TO_TEXTURE_RGB_ARB:
case WGL_BIND_TO_TEXTURE_RECTANGLE_RGB_NV:
piValues[i] = pf->pbuffer ? GL_TRUE : GL_FALSE;
break;
case WGL_BIND_TO_TEXTURE_RGBA_ARB:
case WGL_BIND_TO_TEXTURE_RECTANGLE_RGBA_NV:
piValues[i] = (pf->pbuffer && color_modes[pf->color_mode].alpha_bits) ? GL_TRUE : GL_FALSE;
break;
case WGL_MAX_PBUFFER_WIDTH_ARB:
piValues[i] = gl_info.max_viewport_dims[0];
break;
case WGL_MAX_PBUFFER_HEIGHT_ARB:
piValues[i] = gl_info.max_viewport_dims[1];
break;
case WGL_MAX_PBUFFER_PIXELS_ARB:
piValues[i] = gl_info.max_viewport_dims[0] * gl_info.max_viewport_dims[1];
break;
default:
WARN("invalid attribute %x\n", piAttributes[i]);
return GL_FALSE;
}
TRACE("piAttributes[%d] (%x) -> %x\n", i, piAttributes[i], piValues[i]);
}
return GL_TRUE;
invalid_layer:
FIXME("unsupported iLayerPlane %d\n", iLayerPlane);
return GL_FALSE;
}
/**********************************************************************
* macdrv_wglGetPixelFormatAttribfvARB
*
* WGL_ARB_pixel_format: wglGetPixelFormatAttribfvARB
*/
static BOOL macdrv_wglGetPixelFormatAttribfvARB(HDC hdc, int iPixelFormat, int iLayerPlane,
UINT nAttributes, const int *piAttributes, FLOAT *pfValues)
{
int *attr;
int ret;
TRACE("hdc %p iPixelFormat %d iLayerPlane %d nAttributes %u piAttributes %p pfValues %p\n",
hdc, iPixelFormat, iLayerPlane, nAttributes, piAttributes, pfValues);
/* Allocate a temporary array to store integer values */
attr = HeapAlloc(GetProcessHeap(), 0, nAttributes * sizeof(int));
if (!attr)
{
ERR("couldn't allocate %d array\n", nAttributes);
return GL_FALSE;
}
/* Piggy-back on wglGetPixelFormatAttribivARB */
ret = macdrv_wglGetPixelFormatAttribivARB(hdc, iPixelFormat, iLayerPlane, nAttributes, piAttributes, attr);
if (ret)
{
UINT i;
/* Convert integer values to float. Should also check for attributes
that can give decimal values here */
for (i = 0; i < nAttributes; i++)
pfValues[i] = attr[i];
}
HeapFree(GetProcessHeap(), 0, attr);
return ret;
}
/**********************************************************************
* macdrv_wglGetSwapIntervalEXT
*
* WGL_EXT_swap_control: wglGetSwapIntervalEXT
*/
static int macdrv_wglGetSwapIntervalEXT(void)
{
struct wgl_context *context = NtCurrentTeb()->glContext;
long value;
CGLError err;
TRACE("\n");
err = CGLGetParameter(context->cglcontext, kCGLCPSwapInterval, (GLint*)&value);
if (err != kCGLNoError)
{
WARN("CGLGetParameter(kCGLCPSwapInterval) failed; error %d %s\n",
err, CGLErrorString(err));
value = 1;
}
return value;
}
/***********************************************************************
* macdrv_wglMakeContextCurrentARB
*
* WGL_ARB_make_current_read: wglMakeContextCurrentARB
*
* This is not supported directly by OpenGL on the Mac. We emulate it
* by hooking into glReadPixels, glCopyPixels, and glCopyColorTable to
* temporarily swap the drawable. This follows the technique used in
* the implementation of Mesa GLX for Apple.
*/
static BOOL macdrv_wglMakeContextCurrentARB(HDC draw_hdc, HDC read_hdc, struct wgl_context *context)
{
struct macdrv_win_data *data;
HWND hwnd;
TRACE("draw_hdc %p read_hdc %p context %p/%p/%p\n", draw_hdc, read_hdc, context,
(context ? context->context : NULL), (context ? context->cglcontext : NULL));
if (!context)
{
macdrv_make_context_current(NULL, NULL);
NtCurrentTeb()->glContext = NULL;
return TRUE;
}
if ((hwnd = WindowFromDC(draw_hdc)))
{
if (!(data = get_win_data(hwnd)))
{
FIXME("draw DC for window %p of other process: not implemented\n", hwnd);
return FALSE;
}
if (!data->pixel_format)
{
WARN("no pixel format set\n");
release_win_data(data);
SetLastError(ERROR_INVALID_HANDLE);
return FALSE;
}
if (context->format != data->pixel_format)
{
WARN("mismatched pixel format draw_hdc %p %u context %p %u\n", draw_hdc, data->pixel_format, context, context->format);
release_win_data(data);
SetLastError(ERROR_INVALID_PIXEL_FORMAT);
return FALSE;
}
context->draw_view = data->gl_view;
context->draw_pbuffer = NULL;
release_win_data(data);
}
else
{
struct wgl_pbuffer *pbuffer;
EnterCriticalSection(&dc_pbuffers_section);
pbuffer = (struct wgl_pbuffer*)CFDictionaryGetValue(dc_pbuffers, draw_hdc);
if (pbuffer)
{
if (context->format != pbuffer->format)
{
WARN("mismatched pixel format draw_hdc %p %u context %p %u\n", draw_hdc, pbuffer->format, context, context->format);
LeaveCriticalSection(&dc_pbuffers_section);
SetLastError(ERROR_INVALID_PIXEL_FORMAT);
return FALSE;
}
}
else
{
WARN("no window or pbuffer for DC\n");
LeaveCriticalSection(&dc_pbuffers_section);
SetLastError(ERROR_INVALID_HANDLE);
return FALSE;
}
context->draw_view = NULL;
context->draw_pbuffer = pbuffer;
LeaveCriticalSection(&dc_pbuffers_section);
}
context->read_view = NULL;
context->read_pbuffer = NULL;
if (read_hdc && read_hdc != draw_hdc)
{
if ((hwnd = WindowFromDC(read_hdc)))
{
if ((data = get_win_data(hwnd)))
{
if (data->gl_view != context->draw_view)
context->read_view = data->gl_view;
release_win_data(data);
}
}
else
{
EnterCriticalSection(&dc_pbuffers_section);
context->read_pbuffer = (struct wgl_pbuffer*)CFDictionaryGetValue(dc_pbuffers, read_hdc);
LeaveCriticalSection(&dc_pbuffers_section);
}
}
TRACE("making context current with draw_view %p draw_pbuffer %p read_view %p read_pbuffer %p format %u\n",
context->draw_view, context->draw_pbuffer, context->read_view, context->read_pbuffer, context->format);
make_context_current(context, FALSE);
context->has_been_current = TRUE;
NtCurrentTeb()->glContext = context;
return TRUE;
}
/**********************************************************************
* macdrv_wglQueryPbufferARB
*
* WGL_ARB_pbuffer: wglQueryPbufferARB
*/
static BOOL macdrv_wglQueryPbufferARB(struct wgl_pbuffer *pbuffer, int iAttribute, int *piValue)
{
CGLError err;
GLsizei width;
GLsizei height;
GLenum target;
GLenum internalFormat;
GLint mipmap;
TRACE("pbuffer %p iAttribute 0x%x piValue %p\n", pbuffer, iAttribute, piValue);
err = CGLDescribePBuffer(pbuffer->pbuffer, &width, &height, &target, &internalFormat, &mipmap);
if (err != kCGLNoError)
{
WARN("CGLDescribePBuffer failed; error %d %s\n", err, CGLErrorString(err));
SetLastError(ERROR_INVALID_HANDLE);
return GL_FALSE;
}
switch (iAttribute)
{
case WGL_PBUFFER_WIDTH_ARB:
*piValue = width;
break;
case WGL_PBUFFER_HEIGHT_ARB:
*piValue = height;
break;
case WGL_PBUFFER_LOST_ARB:
/* Mac PBuffers can't be lost */
*piValue = GL_FALSE;
break;
case WGL_TEXTURE_FORMAT_ARB:
if (pbuffer->no_texture)
*piValue = WGL_NO_TEXTURE_ARB;
else switch (internalFormat)
{
case GL_RGBA:
*piValue = WGL_TEXTURE_RGBA_ARB;
break;
case GL_RGB:
default:
*piValue = WGL_TEXTURE_RGB_ARB;
break;
}
break;
case WGL_TEXTURE_TARGET_ARB:
if (pbuffer->no_texture)
*piValue = WGL_NO_TEXTURE_ARB;
else switch (target)
{
case GL_TEXTURE_CUBE_MAP:
*piValue = WGL_TEXTURE_CUBE_MAP_ARB;
break;
case GL_TEXTURE_2D:
*piValue = WGL_TEXTURE_2D_ARB;
break;
case GL_TEXTURE_RECTANGLE:
default:
*piValue = WGL_TEXTURE_RECTANGLE_NV;
break;
}
break;
case WGL_MIPMAP_TEXTURE_ARB:
*piValue = (pbuffer->max_level > 0);
break;
case WGL_MIPMAP_LEVEL_ARB:
*piValue = pbuffer->level;
break;
case WGL_CUBE_MAP_FACE_ARB:
switch (pbuffer->face)
{
case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
default:
*piValue = WGL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB;
break;
case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
*piValue = WGL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB;
break;
case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
*piValue = WGL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB;
break;
case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
*piValue = WGL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB;
break;
case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
*piValue = WGL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB;
break;
case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
*piValue = WGL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB;
break;
}
break;
default:
WARN("invalid attribute 0x%x\n", iAttribute);
SetLastError(ERROR_INVALID_DATA);
return GL_FALSE;
}
return GL_TRUE;
}
/**********************************************************************
* macdrv_wglReleasePbufferDCARB
*
* WGL_ARB_pbuffer: wglReleasePbufferDCARB
*/
static int macdrv_wglReleasePbufferDCARB(struct wgl_pbuffer *pbuffer, HDC hdc)
{
struct wgl_pbuffer *prev;
TRACE("pbuffer %p hdc %p\n", pbuffer, hdc);
EnterCriticalSection(&dc_pbuffers_section);
prev = (struct wgl_pbuffer*)CFDictionaryGetValue(dc_pbuffers, hdc);
if (prev)
{
if (prev != pbuffer)
FIXME("hdc %p isn't associated with pbuffer %p\n", hdc, pbuffer);
CGLReleasePBuffer(prev->pbuffer);
HeapFree(GetProcessHeap(), 0, prev);
CFDictionaryRemoveValue(dc_pbuffers, hdc);
}
else hdc = 0;
LeaveCriticalSection(&dc_pbuffers_section);
return hdc && DeleteDC(hdc);
}
/**********************************************************************
* macdrv_wglReleaseTexImageARB
*
* WGL_ARB_render_texture: wglReleaseTexImageARB
*/
static BOOL macdrv_wglReleaseTexImageARB(struct wgl_pbuffer *pbuffer, int iBuffer)
{
struct wgl_context *context = NtCurrentTeb()->glContext;
CGLError err;
TRACE("pbuffer %p iBuffer 0x%x; stub!\n", pbuffer, iBuffer);
if (pbuffer->no_texture)
{
SetLastError(ERROR_INVALID_OPERATION);
return GL_FALSE;
}
err = CGLTexImagePBuffer(context->cglcontext, pbuffer->pbuffer, GL_NONE);
if (err != kCGLNoError)
{
WARN("CGLTexImagePBuffer failed with err %d %s\n", err, CGLErrorString(err));
SetLastError(ERROR_INVALID_OPERATION);
return GL_FALSE;
}
return GL_TRUE;
}
/**********************************************************************
* macdrv_wglSetPbufferAttribARB
*
* WGL_ARB_render_texture: wglSetPbufferAttribARB
*/
static BOOL macdrv_wglSetPbufferAttribARB(struct wgl_pbuffer *pbuffer, const int *piAttribList)
{
struct wgl_context *context = NtCurrentTeb()->glContext;
TRACE("pbuffer %p piAttribList %p\n", pbuffer, piAttribList);
for ( ; piAttribList && *piAttribList; piAttribList += 2)
{
int attr = piAttribList[0];
int value = piAttribList[1];
switch (attr)
{
case WGL_MIPMAP_LEVEL_ARB:
TRACE("WGL_MIPMAP_LEVEL_ARB: %d\n", value);
pbuffer->level = value;
break;
case WGL_CUBE_MAP_FACE_ARB:
switch (value)
{
case WGL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB:
TRACE("WGL_CUBE_MAP_FACE_ARB: WGL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB\n");
pbuffer->face = GL_TEXTURE_CUBE_MAP_POSITIVE_X;
break;
case WGL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB:
TRACE("WGL_CUBE_MAP_FACE_ARB: WGL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB\n");
pbuffer->face = GL_TEXTURE_CUBE_MAP_NEGATIVE_X;
break;
case WGL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB:
TRACE("WGL_CUBE_MAP_FACE_ARB: WGL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB\n");
pbuffer->face = GL_TEXTURE_CUBE_MAP_POSITIVE_Y;
break;
case WGL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB:
TRACE("WGL_CUBE_MAP_FACE_ARB: WGL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB\n");
pbuffer->face = GL_TEXTURE_CUBE_MAP_NEGATIVE_Y;
break;
case WGL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB:
TRACE("WGL_CUBE_MAP_FACE_ARB: WGL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB\n");
pbuffer->face = GL_TEXTURE_CUBE_MAP_POSITIVE_Z;
break;
case WGL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB:
TRACE("WGL_CUBE_MAP_FACE_ARB: WGL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB\n");
pbuffer->face = GL_TEXTURE_CUBE_MAP_NEGATIVE_Z;
break;
default:
WARN("unknown WGL_CUBE_MAP_FACE_ARB value 0x%x\n", value);
SetLastError(ERROR_INVALID_DATA);
return GL_FALSE;
}
break;
default:
WARN("invalide attribute 0x%x\n", attr);
SetLastError(ERROR_INVALID_DATA);
return GL_FALSE;
}
}
if (context && context->draw_pbuffer == pbuffer)
make_context_current(context, FALSE);
return GL_TRUE;
}
/**********************************************************************
* macdrv_wglSetPixelFormatWINE
*
* WGL_WINE_pixel_format_passthrough: wglSetPixelFormatWINE
*/
static BOOL macdrv_wglSetPixelFormatWINE(HDC hdc, int fmt)
{
return set_pixel_format(hdc, fmt, TRUE);
}
/**********************************************************************
* macdrv_wglSwapIntervalEXT
*
* WGL_EXT_swap_control: wglSwapIntervalEXT
*/
static BOOL macdrv_wglSwapIntervalEXT(int interval)
{
struct wgl_context *context = NtCurrentTeb()->glContext;
long value;
CGLError err;
TRACE("interval %d\n", interval);
if (interval < 0)
{
SetLastError(ERROR_INVALID_DATA);
return FALSE;
}
if (interval > 1)
interval = 1;
value = interval;
err = CGLSetParameter(context->cglcontext, kCGLCPSwapInterval, (GLint*)&value);
if (err != kCGLNoError)
{
WARN("CGLSetParameter(kCGLCPSwapInterval) failed; error %d %s\n",
err, CGLErrorString(err));
SetLastError(ERROR_GEN_FAILURE);
return FALSE;
}
return TRUE;
}
static void register_extension(const char *ext)
{
if (gl_info.wglExtensions[0])
strcat(gl_info.wglExtensions, " ");
strcat(gl_info.wglExtensions, ext);
TRACE("'%s'\n", ext);
}
static void load_extensions(void)
{
/*
* ARB Extensions
*/
register_extension("WGL_ARB_extensions_string");
opengl_funcs.ext.p_wglGetExtensionsStringARB = macdrv_wglGetExtensionsStringARB;
register_extension("WGL_ARB_make_current_read");
opengl_funcs.ext.p_wglGetCurrentReadDCARB = (void *)1; /* never called */
opengl_funcs.ext.p_wglMakeContextCurrentARB = macdrv_wglMakeContextCurrentARB;
register_extension("WGL_ARB_pixel_format");
opengl_funcs.ext.p_wglChoosePixelFormatARB = macdrv_wglChoosePixelFormatARB;
opengl_funcs.ext.p_wglGetPixelFormatAttribfvARB = macdrv_wglGetPixelFormatAttribfvARB;
opengl_funcs.ext.p_wglGetPixelFormatAttribivARB = macdrv_wglGetPixelFormatAttribivARB;
if (gluCheckExtension((GLubyte*)"GL_ARB_color_buffer_float", (GLubyte*)gl_info.glExtensions))
{
register_extension("WGL_ARB_pixel_format_float");
register_extension("WGL_ATI_pixel_format_float");
}
if (gluCheckExtension((GLubyte*)"GL_ARB_multisample", (GLubyte*)gl_info.glExtensions))
register_extension("WGL_ARB_multisample");
if (gluCheckExtension((GLubyte*)"GL_ARB_framebuffer_sRGB", (GLubyte*)gl_info.glExtensions))
register_extension("WGL_ARB_framebuffer_sRGB");
if (gluCheckExtension((GLubyte*)"GL_APPLE_pixel_buffer", (GLubyte*)gl_info.glExtensions))
{
register_extension("WGL_ARB_pbuffer");
opengl_funcs.ext.p_wglCreatePbufferARB = macdrv_wglCreatePbufferARB;
opengl_funcs.ext.p_wglDestroyPbufferARB = macdrv_wglDestroyPbufferARB;
opengl_funcs.ext.p_wglGetPbufferDCARB = macdrv_wglGetPbufferDCARB;
opengl_funcs.ext.p_wglQueryPbufferARB = macdrv_wglQueryPbufferARB;
opengl_funcs.ext.p_wglReleasePbufferDCARB = macdrv_wglReleasePbufferDCARB;
register_extension("WGL_ARB_render_texture");
opengl_funcs.ext.p_wglBindTexImageARB = macdrv_wglBindTexImageARB;
opengl_funcs.ext.p_wglReleaseTexImageARB = macdrv_wglReleaseTexImageARB;
opengl_funcs.ext.p_wglSetPbufferAttribARB = macdrv_wglSetPbufferAttribARB;
if (gluCheckExtension((GLubyte*)"GL_ARB_texture_rectangle", (GLubyte*)gl_info.glExtensions) ||
gluCheckExtension((GLubyte*)"GL_EXT_texture_rectangle", (GLubyte*)gl_info.glExtensions))
register_extension("WGL_NV_render_texture_rectangle");
}
/* TODO:
WGL_ARB_create_context: wglCreateContextAttribsARB
WGL_ARB_create_context_profile
*/
/*
* EXT Extensions
*/
register_extension("WGL_EXT_extensions_string");
opengl_funcs.ext.p_wglGetExtensionsStringEXT = macdrv_wglGetExtensionsStringEXT;
register_extension("WGL_EXT_swap_control");
opengl_funcs.ext.p_wglSwapIntervalEXT = macdrv_wglSwapIntervalEXT;
opengl_funcs.ext.p_wglGetSwapIntervalEXT = macdrv_wglGetSwapIntervalEXT;
/* Presumably identical to [W]GL_ARB_framebuffer_sRGB, above, but clients may
check for either, so register them separately. */
if (gluCheckExtension((GLubyte*)"GL_EXT_framebuffer_sRGB", (GLubyte*)gl_info.glExtensions))
register_extension("WGL_EXT_framebuffer_sRGB");
if (gluCheckExtension((GLubyte*)"GL_EXT_packed_float", (GLubyte*)gl_info.glExtensions))
register_extension("WGL_EXT_pixel_format_packed_float");
/*
* WINE-specific WGL Extensions
*/
/* In WineD3D we need the ability to set the pixel format more than once (e.g. after a device reset).
* The default wglSetPixelFormat doesn't allow this, so add our own which allows it.
*/
register_extension("WGL_WINE_pixel_format_passthrough");
opengl_funcs.ext.p_wglSetPixelFormatWINE = macdrv_wglSetPixelFormatWINE;
}
static BOOL init_opengl(void)
{
static int init_done;
unsigned int i;
char buffer[200];
if (init_done) return (opengl_handle != NULL);
init_done = 1;
TRACE("()\n");
dc_pbuffers = CFDictionaryCreateMutable(NULL, 0, NULL, NULL);
if (!dc_pbuffers)
{
WARN("CFDictionaryCreateMutable failed\n");
return FALSE;
}
opengl_handle = wine_dlopen("/System/Library/Frameworks/OpenGL.framework/OpenGL", RTLD_LAZY|RTLD_LOCAL|RTLD_NOLOAD, buffer, sizeof(buffer));
if (!opengl_handle)
{
ERR("Failed to load OpenGL: %s\n", buffer);
ERR("OpenGL support is disabled.\n");
return FALSE;
}
for (i = 0; i < sizeof(opengl_func_names)/sizeof(opengl_func_names[0]); i++)
{
if (!(((void **)&opengl_funcs.gl)[i] = wine_dlsym(opengl_handle, opengl_func_names[i], NULL, 0)))
{
ERR("%s not found in OpenGL, disabling.\n", opengl_func_names[i]);
goto failed;
}
}
/* redirect some standard OpenGL functions */
#define REDIRECT(func) \
do { p##func = opengl_funcs.gl.p_##func; opengl_funcs.gl.p_##func = macdrv_##func; } while(0)
REDIRECT(glCopyPixels);
REDIRECT(glReadPixels);
REDIRECT(glViewport);
#undef REDIRECT
/* redirect some OpenGL extension functions */
#define REDIRECT(func) \
do { if (opengl_funcs.ext.p_##func) { p##func = opengl_funcs.ext.p_##func; opengl_funcs.ext.p_##func = macdrv_##func; } } while(0)
REDIRECT(glCopyColorTable);
#undef REDIRECT
if (!init_gl_info())
goto failed;
load_extensions();
if (!init_pixel_formats())
goto failed;
return TRUE;
failed:
wine_dlclose(opengl_handle, NULL, 0);
opengl_handle = NULL;
return FALSE;
}
/***********************************************************************
* sync_gl_view
*
* Synchronize the Mac GL view position with the Windows child window
* position.
*/
void sync_gl_view(struct macdrv_win_data *data)
{
RECT rect;
TRACE("hwnd %p gl_view %p\n", data->hwnd, data->gl_view);
if (!data->gl_view) return;
if (get_gl_view_window_rect(data, NULL, &rect) && memcmp(&data->gl_rect, &rect, sizeof(rect)))
{
TRACE("Setting GL view %p frame to %s\n", data->gl_view, wine_dbgstr_rect(&rect));
macdrv_set_view_window_and_frame(data->gl_view, NULL, cgrect_from_rect(rect));
data->gl_rect = rect;
}
}
static int get_dc_pixel_format(HDC hdc)
{
int format;
HWND hwnd;
if ((hwnd = WindowFromDC(hdc)))
{
struct macdrv_win_data *data;
if (!(data = get_win_data(hwnd)))
{
FIXME("DC for window %p of other process: not implemented\n", hwnd);
return 0;
}
format = data->pixel_format;
release_win_data(data);
}
else
{
struct wgl_pbuffer *pbuffer;
EnterCriticalSection(&dc_pbuffers_section);
pbuffer = (struct wgl_pbuffer*)CFDictionaryGetValue(dc_pbuffers, hdc);
if (pbuffer)
format = pbuffer->format;
else
{
WARN("no window or pbuffer for DC %p\n", hdc);
format = 0;
}
LeaveCriticalSection(&dc_pbuffers_section);
}
return format;
}
/**********************************************************************
* create_context
*/
static BOOL create_context(struct wgl_context *context, CGLContextObj share)
{
const pixel_format *pf;
CGLPixelFormatAttribute attribs[64];
int n = 0;
CGLPixelFormatObj pix;
GLint virtualScreens;
CGLError err;
long swap_interval;
pf = get_pixel_format(context->format, TRUE /* non-displayable */);
if (!pf)
{
ERR("Invalid pixel format %d, expect problems!\n", context->format);
SetLastError(ERROR_INVALID_PIXEL_FORMAT);
return FALSE;
}
attribs[n++] = kCGLPFAMinimumPolicy;
attribs[n++] = kCGLPFAClosestPolicy;
if (pf->accelerated)
attribs[n++] = kCGLPFAAccelerated;
else
{
attribs[n++] = kCGLPFARendererID;
attribs[n++] = kCGLRendererGenericFloatID;
}
if (pf->double_buffer)
attribs[n++] = kCGLPFADoubleBuffer;
attribs[n++] = kCGLPFAAuxBuffers;
attribs[n++] = pf->aux_buffers;
attribs[n++] = kCGLPFAColorSize;
attribs[n++] = color_modes[pf->color_mode].color_bits;
attribs[n++] = kCGLPFAAlphaSize;
attribs[n++] = color_modes[pf->color_mode].alpha_bits;
if (color_modes[pf->color_mode].is_float)
attribs[n++] = kCGLPFAColorFloat;
attribs[n++] = kCGLPFADepthSize;
attribs[n++] = pf->depth_bits;
attribs[n++] = kCGLPFAStencilSize;
attribs[n++] = pf->stencil_bits;
if (pf->stereo)
attribs[n++] = kCGLPFAStereo;
if (pf->accum_mode)
{
attribs[n++] = kCGLPFAAccumSize;
attribs[n++] = color_modes[pf->accum_mode - 1].color_bits;
}
if (pf->window)
attribs[n++] = kCGLPFAWindow;
if (pf->pbuffer)
attribs[n++] = kCGLPFAPBuffer;
if (pf->sample_buffers && pf->samples)
{
attribs[n++] = kCGLPFASampleBuffers;
attribs[n++] = pf->sample_buffers;
attribs[n++] = kCGLPFASamples;
attribs[n++] = pf->samples;
}
if (pf->backing_store)
attribs[n++] = kCGLPFABackingStore;
attribs[n] = 0;
err = CGLChoosePixelFormat(attribs, &pix, &virtualScreens);
if (err != kCGLNoError || !pix)
{
WARN("CGLChoosePixelFormat() failed with error %d %s\n", err, CGLErrorString(err));
return FALSE;
}
err = CGLCreateContext(pix, share, &context->cglcontext);
CGLReleasePixelFormat(pix);
if (err != kCGLNoError || !context->cglcontext)
{
context->cglcontext = NULL;
WARN("CGLCreateContext() failed with error %d %s\n", err, CGLErrorString(err));
return FALSE;
}
/* According to the WGL_EXT_swap_control docs, the default swap interval for
a context is 1. CGL contexts default to 0, so we need to set it. */
swap_interval = 1;
err = CGLSetParameter(context->cglcontext, kCGLCPSwapInterval, (GLint*)&swap_interval);
if (err != kCGLNoError)
WARN("CGLSetParameter(kCGLCPSwapInterval) failed with error %d %s; leaving un-vsynced\n", err, CGLErrorString(err));
context->context = macdrv_create_opengl_context(context->cglcontext);
CGLReleaseContext(context->cglcontext);
if (!context->context)
{
WARN("macdrv_create_opengl_context() failed\n");
return FALSE;
}
TRACE("created context %p/%p/%p\n", context, context->context, context->cglcontext);
return TRUE;
}
/**********************************************************************
* macdrv_wglDescribePixelFormat
*/
int macdrv_wglDescribePixelFormat(HDC hdc, int fmt, UINT size, PIXELFORMATDESCRIPTOR *descr)
{
int ret = nb_formats;
const pixel_format *pf;
const struct color_mode *mode;
TRACE("hdc %p fmt %d size %u descr %p\n", hdc, fmt, size, descr);
if (fmt <= 0 || fmt > ret) return ret;
if (size < sizeof(*descr)) return 0;
pf = &pixel_formats[fmt - 1];
memset(descr, 0, sizeof(*descr));
descr->nSize = sizeof(*descr);
descr->nVersion = 1;
descr->dwFlags = PFD_SUPPORT_OPENGL;
if (pf->window) descr->dwFlags |= PFD_DRAW_TO_WINDOW;
if (!pf->accelerated) descr->dwFlags |= PFD_GENERIC_FORMAT;
if (pf->double_buffer) descr->dwFlags |= PFD_DOUBLEBUFFER;
if (pf->stereo) descr->dwFlags |= PFD_STEREO;
if (pf->backing_store) descr->dwFlags |= PFD_SWAP_COPY;
descr->iPixelType = PFD_TYPE_RGBA;
mode = &color_modes[pf->color_mode];
/* If the mode doesn't have alpha, return bits per pixel instead of color bits.
On Windows, color bits sometimes exceeds r+g+b (e.g. it's 32 for an
R8G8B8A0 pixel format). If an app depends on that and expects that
cColorBits >= 32 for such a pixel format, we need to accomodate that. */
if (mode->alpha_bits)
descr->cColorBits = mode->color_bits;
else
descr->cColorBits = mode->bits_per_pixel;
descr->cRedBits = mode->red_bits;
descr->cRedShift = mode->red_shift;
descr->cGreenBits = mode->green_bits;
descr->cGreenShift = mode->green_shift;
descr->cBlueBits = mode->blue_bits;
descr->cBlueShift = mode->blue_shift;
descr->cAlphaBits = mode->alpha_bits;
descr->cAlphaShift = mode->alpha_shift;
if (pf->accum_mode)
{
mode = &color_modes[pf->accum_mode - 1];
descr->cAccumBits = mode->color_bits;
descr->cAccumRedBits = mode->red_bits;
descr->cAccumGreenBits = mode->green_bits;
descr->cAccumBlueBits = mode->blue_bits;
descr->cAccumAlphaBits = mode->alpha_bits;
}
descr->cDepthBits = pf->depth_bits;
descr->cStencilBits = pf->stencil_bits;
descr->cAuxBuffers = pf->aux_buffers;
descr->iLayerType = PFD_MAIN_PLANE;
return ret;
}
/***********************************************************************
* macdrv_wglCopyContext
*/
static BOOL macdrv_wglCopyContext(struct wgl_context *src, struct wgl_context *dst, UINT mask)
{
CGLError err;
TRACE("src %p dst %p mask %x\n", src, dst, mask);
err = CGLCopyContext(src->cglcontext, dst->cglcontext, mask);
if (err != kCGLNoError)
WARN("CGLCopyContext() failed with err %d %s\n", err, CGLErrorString(err));
return (err == kCGLNoError);
}
/***********************************************************************
* macdrv_wglCreateContext
*/
static struct wgl_context *macdrv_wglCreateContext(HDC hdc)
{
int format;
struct wgl_context *context;
TRACE("hdc %p\n", hdc);
format = get_dc_pixel_format(hdc);
if (!is_valid_pixel_format(format))
{
ERR("Invalid pixel format %d, expect problems!\n", format);
SetLastError(ERROR_INVALID_PIXEL_FORMAT);
return NULL;
}
if (!(context = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*context)))) return NULL;
context->format = format;
if (!create_context(context, NULL))
{
HeapFree(GetProcessHeap(), 0, context);
return NULL;
}
return context;
}
/***********************************************************************
* macdrv_wglDeleteContext
*/
static void macdrv_wglDeleteContext(struct wgl_context *context)
{
TRACE("deleting context %p/%p/%p\n", context, context->context, context->cglcontext);
macdrv_dispose_opengl_context(context->context);
HeapFree(GetProcessHeap(), 0, context);
}
/***********************************************************************
* macdrv_wglGetPixelFormat
*/
static int macdrv_wglGetPixelFormat(HDC hdc)
{
int format;
format = get_dc_pixel_format(hdc);
if (!is_valid_pixel_format(format)) /* not set yet */
format = 0;
else if (!is_displayable_pixel_format(format))
{
/* Non-displayable formats can't be used with traditional WGL calls.
* As has been verified on Windows GetPixelFormat doesn't fail but returns pixel format 1. */
format = 1;
}
TRACE(" hdc %p -> %d\n", hdc, format);
return format;
}
/***********************************************************************
* macdrv_wglGetProcAddress
*/
static PROC macdrv_wglGetProcAddress(const char *proc)
{
void *ret;
if (!strncmp(proc, "wgl", 3)) return NULL;
ret = wine_dlsym(opengl_handle, proc, NULL, 0);
if (ret)
{
if (TRACE_ON(wgl))
{
Dl_info info;
if (dladdr(ret, &info))
TRACE("%s -> %s from %s\n", proc, info.dli_sname, info.dli_fname);
else
TRACE("%s -> %p (no library info)\n", proc, ret);
}
}
else
WARN("failed to find proc %s\n", debugstr_a(proc));
return ret;
}
/***********************************************************************
* macdrv_wglMakeCurrent
*/
static BOOL macdrv_wglMakeCurrent(HDC hdc, struct wgl_context *context)
{
TRACE("hdc %p context %p/%p/%p\n", hdc, context, (context ? context->context : NULL),
(context ? context->cglcontext : NULL));
return macdrv_wglMakeContextCurrentARB(hdc, hdc, context);
}
/**********************************************************************
* macdrv_wglSetPixelFormat
*/
static BOOL macdrv_wglSetPixelFormat(HDC hdc, int fmt, const PIXELFORMATDESCRIPTOR *descr)
{
return set_pixel_format(hdc, fmt, FALSE);
}
/***********************************************************************
* macdrv_wglShareLists
*/
static BOOL macdrv_wglShareLists(struct wgl_context *org, struct wgl_context *dest)
{
macdrv_opengl_context saved_context;
CGLContextObj saved_cglcontext;
TRACE("org %p dest %p\n", org, dest);
/* Sharing of display lists works differently in Mac OpenGL and WGL. In Mac OpenGL it is done
* at context creation time but in case of WGL it is done using wglShareLists.
*
* The approach is to create a Mac OpenGL context in wglCreateContext / wglCreateContextAttribsARB
* and when a program requests sharing we recreate the destination context if it hasn't been made
* current or when it hasn't shared display lists before.
*/
if (dest->has_been_current)
{
WARN("could not share display lists, the destination context has been current already\n");
return FALSE;
}
else if (dest->sharing)
{
WARN("could not share display lists because dest has already shared lists before\n");
return FALSE;
}
/* Re-create the Mac context and share display lists */
saved_context = dest->context;
saved_cglcontext = dest->cglcontext;
dest->context = NULL;
dest->cglcontext = NULL;
if (!create_context(dest, org->cglcontext))
{
dest->context = saved_context;
dest->cglcontext = saved_cglcontext;
return FALSE;
}
/* Implicitly disposes of saved_cglcontext. */
macdrv_dispose_opengl_context(saved_context);
TRACE("re-created OpenGL context %p/%p/%p sharing lists with context %p/%p/%p\n",
dest, dest->context, dest->cglcontext, org, org->context, org->cglcontext);
org->sharing = TRUE;
dest->sharing = TRUE;
return TRUE;
}
/**********************************************************************
* macdrv_wglSwapBuffers
*/
static BOOL macdrv_wglSwapBuffers(HDC hdc)
{
struct wgl_context *context = NtCurrentTeb()->glContext;
TRACE("hdc %p context %p/%p/%p\n", hdc, context, (context ? context->context : NULL),
(context ? context->cglcontext : NULL));
if (!context)
{
SetLastError(ERROR_INVALID_HANDLE);
return FALSE;
}
macdrv_flush_opengl_context(context->context);
return TRUE;
}
static struct opengl_funcs opengl_funcs =
{
{
macdrv_wglCopyContext, /* p_wglCopyContext */
macdrv_wglCreateContext, /* p_wglCreateContext */
macdrv_wglDeleteContext, /* p_wglDeleteContext */
macdrv_wglDescribePixelFormat, /* p_wglDescribePixelFormat */
macdrv_wglGetPixelFormat, /* p_wglGetPixelFormat */
macdrv_wglGetProcAddress, /* p_wglGetProcAddress */
macdrv_wglMakeCurrent, /* p_wglMakeCurrent */
macdrv_wglSetPixelFormat, /* p_wglSetPixelFormat */
macdrv_wglShareLists, /* p_wglShareLists */
macdrv_wglSwapBuffers, /* p_wglSwapBuffers */
}
};
/**********************************************************************
* macdrv_wine_get_wgl_driver
*/
struct opengl_funcs *macdrv_wine_get_wgl_driver(PHYSDEV dev, UINT version)
{
if (version != WINE_WGL_DRIVER_VERSION)
{
ERR("version mismatch, opengl32 wants %u but macdrv has %u\n", version, WINE_WGL_DRIVER_VERSION);
return NULL;
}
if (!init_opengl()) return (void *)-1;
return &opengl_funcs;
}
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