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Merge pull request #5997 from Kelebek1/Depth

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[OpenGL] Implement glDepthRangeIndexeddNV
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bunnei 2021-02-26 15:06:55 -07:00 • committed by GitHub
commit 272bc4c3d6
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5 changed files with 17 additions and 1 deletions
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2
src/video_core/renderer_opengl/gl_device.cpp
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@ -239,6 +239,7 @@ Device::Device() {
has_nv_viewport_array2 = GLAD_GL_NV_viewport_array2;
has_vertex_buffer_unified_memory = GLAD_GL_NV_vertex_buffer_unified_memory;
has_debugging_tool_attached = IsDebugToolAttached(extensions);
has_depth_buffer_float = HasExtension(extensions, "GL_NV_depth_buffer_float");
// At the moment of writing this, only Nvidia's driver optimizes BufferSubData on exclusive
// uniform buffers as "push constants"
@ -275,6 +276,7 @@ Device::Device(std::nullptr_t) {
has_image_load_formatted = true;
has_texture_shadow_lod = true;
has_variable_aoffi = true;
has_depth_buffer_float = true;
}
bool Device::TestVariableAoffi() {

5
src/video_core/renderer_opengl/gl_device.h
View file

@ -122,6 +122,10 @@ public:
return use_driver_cache;
}
bool HasDepthBufferFloat() const {
return has_depth_buffer_float;
}
private:
static bool TestVariableAoffi();
static bool TestPreciseBug();
@ -150,6 +154,7 @@ private:
bool use_assembly_shaders{};
bool use_asynchronous_shaders{};
bool use_driver_cache{};
bool has_depth_buffer_float{};
};
} // namespace OpenGL

6
src/video_core/renderer_opengl/gl_rasterizer.cpp
View file

@ -889,7 +889,11 @@ void RasterizerOpenGL::SyncViewport() {
const GLdouble reduce_z = regs.depth_mode == Maxwell::DepthMode::MinusOneToOne;
const GLdouble near_depth = src.translate_z - src.scale_z * reduce_z;
const GLdouble far_depth = src.translate_z + src.scale_z;
glDepthRangeIndexed(static_cast<GLuint>(i), near_depth, far_depth);
if (device.HasDepthBufferFloat()) {
glDepthRangeIndexeddNV(static_cast<GLuint>(i), near_depth, far_depth);
} else {
glDepthRangeIndexed(static_cast<GLuint>(i), near_depth, far_depth);
}
if (!GLAD_GL_NV_viewport_swizzle) {
continue;