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OpenGL: Only update depth uniforms if the depth changed

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This commit is contained in:
Jannik Vogel 2016-05-14 10:16:45 +02:00
parent f8a11a664f
commit 5389dedfa1
2 changed files with 22 additions and 9 deletions
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20
src/video_core/renderer_opengl/gl_rasterizer.cpp
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@ -104,7 +104,6 @@ RasterizerOpenGL::RasterizerOpenGL() : shader_dirty(true) {
// Sync fixed function OpenGL state
SyncCullMode();
SyncDepthModifiers();
SyncBlendEnabled();
SyncBlendFuncs();
SyncBlendColor();
@ -259,8 +258,10 @@ void RasterizerOpenGL::NotifyPicaRegisterChanged(u32 id) {
// Depth modifiers
case PICA_REG_INDEX(viewport_depth_range):
SyncDepthScale();
break;
case PICA_REG_INDEX(viewport_depth_near_plane):
SyncDepthModifiers();
SyncDepthOffset();
break;
// Depth buffering
@ -880,6 +881,8 @@ void RasterizerOpenGL::SetShader() {
glUniformBlockBinding(current_shader->shader.handle, block_index, 0);
// Update uniforms
SyncDepthScale();
SyncDepthOffset();
SyncAlphaTest();
SyncCombinerColor();
auto& tev_stages = Pica::g_state.regs.GetTevStages();
@ -922,13 +925,20 @@ void RasterizerOpenGL::SyncCullMode() {
}
}
void RasterizerOpenGL::SyncDepthModifiers() {
void RasterizerOpenGL::SyncDepthScale() {
float depth_scale = Pica::float24::FromRaw(Pica::g_state.regs.viewport_depth_range).ToFloat32();
float depth_offset = Pica::float24::FromRaw(Pica::g_state.regs.viewport_depth_near_plane).ToFloat32();
if (depth_scale != uniform_block_data.data.depth_scale) {
uniform_block_data.data.depth_scale = depth_scale;
uniform_block_data.dirty = true;
}
}
void RasterizerOpenGL::SyncDepthOffset() {
float depth_offset = Pica::float24::FromRaw(Pica::g_state.regs.viewport_depth_near_plane).ToFloat32();
if (depth_offset != uniform_block_data.data.depth_offset) {
uniform_block_data.data.depth_offset = depth_offset;
uniform_block_data.dirty = true;
}
}
void RasterizerOpenGL::SyncBlendEnabled() {

7
src/video_core/renderer_opengl/gl_rasterizer.h
View file

@ -339,8 +339,11 @@ private:
/// Syncs the cull mode to match the PICA register
void SyncCullMode();
/// Syncs the depth scale and offset to match the PICA registers
void SyncDepthModifiers();
/// Syncs the depth scale to match the PICA register
void SyncDepthScale();
/// Syncs the depth offset to match the PICA register
void SyncDepthOffset();
/// Syncs the blend enabled status to match the PICA register
void SyncBlendEnabled();