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Limit the amount of viewports tested for state changes only to the usable ones

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This commit is contained in:
Rodolfo Bogado
2018-11-25 12:18:29 -03:00
parent 13f6a603c2
commit 415e8383ba
1 changed files with 10 additions and 2 deletions
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12
src/video_core/renderer_opengl/gl_rasterizer.cpp
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@@ -969,7 +969,11 @@ u32 RasterizerOpenGL::SetupTextures(Maxwell::ShaderStage stage, Shader& shader,
void RasterizerOpenGL::SyncViewport(OpenGLState& current_state) {
const auto& regs = Core::System::GetInstance().GPU().Maxwell3D().regs;
for (std::size_t i = 0; i < Tegra::Engines::Maxwell3D::Regs::NumViewports; i++) {
const bool geometry_shaders_enabled =
regs.IsShaderConfigEnabled(static_cast<size_t>(Maxwell::ShaderProgram::Geometry));
const std::size_t viewport_count =
geometry_shaders_enabled ? Tegra::Engines::Maxwell3D::Regs::NumViewports : 1;
for (std::size_t i = 0; i < viewport_count; i++) {
auto& viewport = current_state.viewports[i];
const auto& src = regs.viewports[i];
if (regs.viewport_transform_enabled) {
@@ -1157,7 +1161,11 @@ void RasterizerOpenGL::SyncLogicOpState() {
void RasterizerOpenGL::SyncScissorTest(OpenGLState& current_state) {
const auto& regs = Core::System::GetInstance().GPU().Maxwell3D().regs;
for (std::size_t i = 0; i < Tegra::Engines::Maxwell3D::Regs::NumViewports; i++) {
const bool geometry_shaders_enabled =
regs.IsShaderConfigEnabled(static_cast<size_t>(Maxwell::ShaderProgram::Geometry));
const std::size_t viewport_count =
geometry_shaders_enabled ? Tegra::Engines::Maxwell3D::Regs::NumViewports : 1;
for (std::size_t i = 0; i < viewport_count; i++) {
const auto& src = regs.scissor_test[i];
auto& dst = current_state.viewports[i].scissor;
dst.enabled = (src.enable != 0);