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-rw-r--r--src/video_core/engines/maxwell_3d.h10
-rw-r--r--src/video_core/renderer_opengl/gl_rasterizer.cpp30
2 files changed, 32 insertions, 8 deletions
diff --git a/src/video_core/engines/maxwell_3d.h b/src/video_core/engines/maxwell_3d.h
index e44a23135..9324d9710 100644
--- a/src/video_core/engines/maxwell_3d.h
+++ b/src/video_core/engines/maxwell_3d.h
@@ -896,7 +896,13 @@ public:
Cull cull;
- INSERT_PADDING_WORDS(0x28);
+ u32 pixel_center_integer;
+
+ INSERT_PADDING_WORDS(0x1);
+
+ u32 viewport_transform_enabled;
+
+ INSERT_PADDING_WORDS(0x25);
struct {
u32 enable;
@@ -1216,6 +1222,8 @@ ASSERT_REG_POSITION(index_array, 0x5F2);
ASSERT_REG_POSITION(polygon_offset_clamp, 0x61F);
ASSERT_REG_POSITION(instanced_arrays, 0x620);
ASSERT_REG_POSITION(cull, 0x646);
+ASSERT_REG_POSITION(pixel_center_integer, 0x649);
+ASSERT_REG_POSITION(viewport_transform_enabled, 0x64B);
ASSERT_REG_POSITION(logic_op, 0x671);
ASSERT_REG_POSITION(clear_buffers, 0x674);
ASSERT_REG_POSITION(color_mask, 0x680);
diff --git a/src/video_core/renderer_opengl/gl_rasterizer.cpp b/src/video_core/renderer_opengl/gl_rasterizer.cpp
index 1f9acda36..98fb5a9aa 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer.cpp
+++ b/src/video_core/renderer_opengl/gl_rasterizer.cpp
@@ -985,13 +985,25 @@ 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 MathUtil::Rectangle<s32> viewport_rect{regs.viewport_transform[i].GetRect()};
+ 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];
- viewport.x = viewport_rect.left;
- viewport.y = viewport_rect.bottom;
- viewport.width = viewport_rect.GetWidth();
- viewport.height = viewport_rect.GetHeight();
+ const auto& src = regs.viewports[i];
+ if (regs.viewport_transform_enabled) {
+ const MathUtil::Rectangle<s32> viewport_rect{regs.viewport_transform[i].GetRect()};
+ viewport.x = viewport_rect.left;
+ viewport.y = viewport_rect.bottom;
+ viewport.width = viewport_rect.GetWidth();
+ viewport.height = viewport_rect.GetHeight();
+ } else {
+ viewport.x = src.x;
+ viewport.y = src.y;
+ viewport.width = src.width;
+ viewport.height = src.height;
+ }
viewport.depth_range_far = regs.viewports[i].depth_range_far;
viewport.depth_range_near = regs.viewports[i].depth_range_near;
}
@@ -1165,7 +1177,11 @@ 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);