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authorbunnei <bunneidev@gmail.com>2018-04-18 22:42:40 +0200
committerGitHub <noreply@github.com>2018-04-18 22:42:40 +0200
commitce4f159b1cf2aa090e41dc0e2fbd65aa6a31942e (patch)
treef8f53423389ca5787c05e249d65cd2df3f59b037 /src
parentMerge pull request #350 from Subv/tex_components (diff)
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Diffstat (limited to 'src')
-rw-r--r--src/video_core/engines/maxwell_3d.h11
-rw-r--r--src/video_core/renderer_opengl/gl_shader_gen.cpp10
-rw-r--r--src/video_core/renderer_opengl/gl_shader_manager.cpp8
-rw-r--r--src/video_core/renderer_opengl/gl_shader_manager.h5
4 files changed, 29 insertions, 5 deletions
diff --git a/src/video_core/engines/maxwell_3d.h b/src/video_core/engines/maxwell_3d.h
index b379d8057..d4fcedace 100644
--- a/src/video_core/engines/maxwell_3d.h
+++ b/src/video_core/engines/maxwell_3d.h
@@ -319,7 +319,15 @@ public:
}
} rt[NumRenderTargets];
- INSERT_PADDING_WORDS(0x80);
+ struct {
+ f32 scale_x;
+ f32 scale_y;
+ f32 scale_z;
+ u32 translate_x;
+ u32 translate_y;
+ u32 translate_z;
+ INSERT_PADDING_WORDS(2);
+ } viewport_transform[NumViewports];
struct {
union {
@@ -649,6 +657,7 @@ private:
"Field " #field_name " has invalid position")
ASSERT_REG_POSITION(rt, 0x200);
+ASSERT_REG_POSITION(viewport_transform[0], 0x280);
ASSERT_REG_POSITION(viewport, 0x300);
ASSERT_REG_POSITION(vertex_buffer, 0x35D);
ASSERT_REG_POSITION(zeta, 0x3F8);
diff --git a/src/video_core/renderer_opengl/gl_shader_gen.cpp b/src/video_core/renderer_opengl/gl_shader_gen.cpp
index 8b7f17601..254f6e2c3 100644
--- a/src/video_core/renderer_opengl/gl_shader_gen.cpp
+++ b/src/video_core/renderer_opengl/gl_shader_gen.cpp
@@ -29,9 +29,15 @@ out gl_PerVertex {
out vec4 position;
+layout (std140) uniform vs_config {
+ vec4 viewport_flip;
+};
+
void main() {
exec_shader();
+ // Viewport can be flipped, which is unsupported by glViewport
+ position.xy *= viewport_flip.xy;
gl_Position = position;
}
)";
@@ -52,6 +58,10 @@ ProgramResult GenerateFragmentShader(const ShaderSetup& setup, const MaxwellFSCo
in vec4 position;
out vec4 color;
+layout (std140) uniform fs_config {
+ vec4 viewport_flip;
+};
+
uniform sampler2D tex[32];
void main() {
diff --git a/src/video_core/renderer_opengl/gl_shader_manager.cpp b/src/video_core/renderer_opengl/gl_shader_manager.cpp
index 85b838faa..17b3925a0 100644
--- a/src/video_core/renderer_opengl/gl_shader_manager.cpp
+++ b/src/video_core/renderer_opengl/gl_shader_manager.cpp
@@ -53,6 +53,12 @@ void SetShaderSamplerBindings(GLuint shader) {
} // namespace Impl
-void MaxwellUniformData::SetFromRegs(const Maxwell3D::State::ShaderStageInfo& shader_stage) {}
+void MaxwellUniformData::SetFromRegs(const Maxwell3D::State::ShaderStageInfo& shader_stage) {
+ const auto& regs = Core::System().GetInstance().GPU().Maxwell3D().regs;
+
+ // TODO(bunnei): Support more than one viewport
+ viewport_flip[0] = regs.viewport_transform[0].scale_x < 0.0 ? -1.0 : 1.0;
+ viewport_flip[1] = regs.viewport_transform[0].scale_y < 0.0 ? -1.0 : 1.0;
+}
} // namespace GLShader
diff --git a/src/video_core/renderer_opengl/gl_shader_manager.h b/src/video_core/renderer_opengl/gl_shader_manager.h
index be63320e0..e963b4b7e 100644
--- a/src/video_core/renderer_opengl/gl_shader_manager.h
+++ b/src/video_core/renderer_opengl/gl_shader_manager.h
@@ -30,10 +30,9 @@ void SetShaderSamplerBindings(GLuint shader);
// Not following that rule will cause problems on some AMD drivers.
struct MaxwellUniformData {
void SetFromRegs(const Maxwell3D::State::ShaderStageInfo& shader_stage);
- // TODO(Subv): Use this for something.
+ alignas(16) GLvec4 viewport_flip;
};
-// static_assert(sizeof(MaxwellUniformData) == 1024, "MaxwellUniformData structure size is
-// incorrect");
+static_assert(sizeof(MaxwellUniformData) == 16, "MaxwellUniformData structure size is incorrect");
static_assert(sizeof(MaxwellUniformData) < 16384,
"MaxwellUniformData structure must be less than 16kb as per the OpenGL spec");