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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 // Sync fixed function OpenGL state
SyncCullMode(); SyncCullMode();
SyncDepthModifiers();
SyncBlendEnabled(); SyncBlendEnabled();
SyncBlendFuncs(); SyncBlendFuncs();
SyncBlendColor(); SyncBlendColor();
@ -259,8 +258,10 @@ void RasterizerOpenGL::NotifyPicaRegisterChanged(u32 id) {
// Depth modifiers // Depth modifiers
case PICA_REG_INDEX(viewport_depth_range): case PICA_REG_INDEX(viewport_depth_range):
SyncDepthScale();
break;
case PICA_REG_INDEX(viewport_depth_near_plane): case PICA_REG_INDEX(viewport_depth_near_plane):
SyncDepthModifiers(); SyncDepthOffset();
break; break;
// Depth buffering // Depth buffering
@ -880,6 +881,8 @@ void RasterizerOpenGL::SetShader() {
glUniformBlockBinding(current_shader->shader.handle, block_index, 0); glUniformBlockBinding(current_shader->shader.handle, block_index, 0);
// Update uniforms // Update uniforms
SyncDepthScale();
SyncDepthOffset();
SyncAlphaTest(); SyncAlphaTest();
SyncCombinerColor(); SyncCombinerColor();
auto& tev_stages = Pica::g_state.regs.GetTevStages(); auto& tev_stages = Pica::g_state.regs.GetTevStages();
@ -922,14 +925,21 @@ 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_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.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.data.depth_offset = depth_offset;
uniform_block_data.dirty = true; uniform_block_data.dirty = true;
} }
}
void RasterizerOpenGL::SyncBlendEnabled() { void RasterizerOpenGL::SyncBlendEnabled() {
state.blend.enabled = (Pica::g_state.regs.output_merger.alphablend_enable == 1); state.blend.enabled = (Pica::g_state.regs.output_merger.alphablend_enable == 1);

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 /// Syncs the cull mode to match the PICA register
void SyncCullMode(); void SyncCullMode();
/// Syncs the depth scale and offset to match the PICA registers /// Syncs the depth scale to match the PICA register
void SyncDepthModifiers(); void SyncDepthScale();
/// Syncs the depth offset to match the PICA register
void SyncDepthOffset();
/// Syncs the blend enabled status to match the PICA register /// Syncs the blend enabled status to match the PICA register
void SyncBlendEnabled(); void SyncBlendEnabled();