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wined3d: Implement depth bias clamp.

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Based on a patch by Michael Müller.

Signed-off-by: Zebediah Figura <z.figura12@gmail.com>
Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Zebediah Figura 2018-10-08 21:55:39 +03:30 committed by Alexandre Julliard
parent 55d4f63164
commit 42b5d88f2e
5 changed files with 26 additions and 3 deletions
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1
dlls/d3d11/state.c
View file

@ -1081,6 +1081,7 @@ static HRESULT d3d_rasterizer_state_init(struct d3d_rasterizer_state *state, str
wined3d_desc.front_ccw = desc->FrontCounterClockwise;
wined3d_desc.depth_clip = desc->DepthClipEnable;
wined3d_desc.depth_bias_clamp = desc->DepthBiasClamp;
/* We cannot fail after creating a wined3d_rasterizer_state object. It
* would lead to double free. */

8
dlls/wined3d/adapter_gl.c
View file

@ -103,6 +103,7 @@ static const struct wined3d_extension_map gl_extension_map[] =
{"GL_ARB_pixel_buffer_object", ARB_PIXEL_BUFFER_OBJECT },
{"GL_ARB_point_parameters", ARB_POINT_PARAMETERS },
{"GL_ARB_point_sprite", ARB_POINT_SPRITE },
{"GL_ARB_polygon_offset_clamp", ARB_POLYGON_OFFSET_CLAMP },
{"GL_ARB_provoking_vertex", ARB_PROVOKING_VERTEX },
{"GL_ARB_query_buffer_object", ARB_QUERY_BUFFER_OBJECT },
{"GL_ARB_sample_shading", ARB_SAMPLE_SHADING },
@ -1254,7 +1255,9 @@ static enum wined3d_feature_level feature_level_from_caps(const struct wined3d_g
shader_model = min(shader_model, max(shader_caps->hs_version, 4));
shader_model = min(shader_model, max(shader_caps->ds_version, 4));
if (gl_info->supported[WINED3D_GL_VERSION_3_2] && gl_info->supported[ARB_SAMPLER_OBJECTS])
if (gl_info->supported[WINED3D_GL_VERSION_3_2]
&& gl_info->supported[ARB_POLYGON_OFFSET_CLAMP]
&& gl_info->supported[ARB_SAMPLER_OBJECTS])
{
if (shader_model >= 5
&& gl_info->supported[ARB_DRAW_INDIRECT]
@ -2172,6 +2175,8 @@ static void load_gl_funcs(struct wined3d_gl_info *gl_info)
/* GL_ARB_point_parameters */
USE_GL_FUNC(glPointParameterfARB)
USE_GL_FUNC(glPointParameterfvARB)
/* GL_ARB_polgyon_offset_clamp */
USE_GL_FUNC(glPolygonOffsetClamp)
/* GL_ARB_provoking_vertex */
USE_GL_FUNC(glProvokingVertex)
/* GL_ARB_sample_shading */
@ -3316,6 +3321,7 @@ static BOOL wined3d_adapter_init_gl_caps(struct wined3d_adapter *adapter,
{ARB_SHADER_TEXTURE_IMAGE_SAMPLES, MAKEDWORD_VERSION(4, 5)},
{ARB_PIPELINE_STATISTICS_QUERY, MAKEDWORD_VERSION(4, 6)},
{ARB_POLYGON_OFFSET_CLAMP, MAKEDWORD_VERSION(4, 6)},
{ARB_TEXTURE_FILTER_ANISOTROPIC, MAKEDWORD_VERSION(4, 6)},
};
struct wined3d_driver_info *driver_info = &adapter->driver_info;

18
dlls/wined3d/state.c
View file

@ -1775,7 +1775,7 @@ static void state_depthbias(struct wined3d_context *context, const struct wined3
|| state->render_states[WINED3D_RS_DEPTHBIAS])
{
const struct wined3d_rendertarget_view *depth = state->fb->depth_stencil;
float factor, units, scale;
float factor, units, scale, clamp;
union
{
@ -1783,6 +1783,7 @@ static void state_depthbias(struct wined3d_context *context, const struct wined3
float f;
} scale_bias, const_bias;
clamp = state->rasterizer_state ? state->rasterizer_state->desc.depth_bias_clamp : 0.0f;
scale_bias.d = state->render_states[WINED3D_RS_SLOPESCALEDEPTHBIAS];
const_bias.d = state->render_states[WINED3D_RS_DEPTHBIAS];
@ -1811,7 +1812,16 @@ static void state_depthbias(struct wined3d_context *context, const struct wined3
}
gl_info->gl_ops.gl.p_glEnable(GL_POLYGON_OFFSET_FILL);
gl_info->gl_ops.gl.p_glPolygonOffset(factor, units);
if (gl_info->supported[ARB_POLYGON_OFFSET_CLAMP])
{
gl_info->gl_ops.ext.p_glPolygonOffsetClamp(factor, units, clamp);
}
else
{
if (clamp != 0.0f)
WARN("Ignoring depth bias clamp %.8e.\n", clamp);
gl_info->gl_ops.gl.p_glPolygonOffset(factor, units);
}
}
else
{
@ -4345,6 +4355,8 @@ static void rasterizer(struct wined3d_context *context, const struct wined3d_sta
gl_info->gl_ops.gl.p_glFrontFace(mode);
checkGLcall("glFrontFace");
if (!isStateDirty(context, STATE_RENDER(WINED3D_RS_DEPTHBIAS)))
state_depthbias(context, state, STATE_RENDER(WINED3D_RS_DEPTHBIAS));
depth_clip(state->rasterizer_state, gl_info);
}
@ -4357,6 +4369,8 @@ static void rasterizer_cc(struct wined3d_context *context, const struct wined3d_
gl_info->gl_ops.gl.p_glFrontFace(mode);
checkGLcall("glFrontFace");
if (!isStateDirty(context, STATE_RENDER(WINED3D_RS_DEPTHBIAS)))
state_depthbias(context, state, STATE_RENDER(WINED3D_RS_DEPTHBIAS));
depth_clip(state->rasterizer_state, gl_info);
}

1
dlls/wined3d/wined3d_gl.h
View file

@ -89,6 +89,7 @@ enum wined3d_gl_extension
ARB_PIXEL_BUFFER_OBJECT,
ARB_POINT_PARAMETERS,
ARB_POINT_SPRITE,
ARB_POLYGON_OFFSET_CLAMP,
ARB_PROVOKING_VERTEX,
ARB_QUERY_BUFFER_OBJECT,
ARB_SAMPLE_SHADING,

1
include/wine/wined3d.h
View file

@ -2012,6 +2012,7 @@ struct wined3d_blend_state_desc
struct wined3d_rasterizer_state_desc
{
BOOL front_ccw;
float depth_bias_clamp;
BOOL depth_clip;
};