diff options
| -rw-r--r-- | src/video_core/engines/maxwell_3d.h | 1 | ||||
| -rw-r--r-- | src/video_core/renderer_opengl/gl_shader_decompiler.cpp | 8 | ||||
| -rw-r--r-- | src/video_core/renderer_opengl/gl_shader_gen.cpp | 14 | ||||
| -rw-r--r-- | src/video_core/renderer_opengl/gl_shader_manager.cpp | 10 | ||||
| -rw-r--r-- | src/video_core/renderer_opengl/gl_shader_manager.h | 9 |
5 files changed, 26 insertions, 16 deletions
diff --git a/src/video_core/engines/maxwell_3d.h b/src/video_core/engines/maxwell_3d.h index 4f137e693..0c403e16a 100644 --- a/src/video_core/engines/maxwell_3d.h +++ b/src/video_core/engines/maxwell_3d.h @@ -728,6 +728,7 @@ public: u32 frag_color_clamp; union { + BitField<0, 1, u32> y_negate; BitField<4, 1, u32> triangle_rast_flip; } screen_y_control; diff --git a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp index 97b9028c5..a9d29501f 100644 --- a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp +++ b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp @@ -845,7 +845,8 @@ private: // vertex shader, and what's the value of the fourth element when inside a Tess Eval // shader. ASSERT(stage == Maxwell3D::Regs::ShaderStage::Vertex); - return "vec4(0, 0, uintBitsToFloat(instance_id.x), uintBitsToFloat(gl_VertexID))"; + // Config pack's first value is instance_id. + return "vec4(0, 0, uintBitsToFloat(config_pack[0]), uintBitsToFloat(gl_VertexID))"; case Attribute::Index::FrontFacing: // TODO(Subv): Find out what the values are for the other elements. ASSERT(stage == Maxwell3D::Regs::ShaderStage::Fragment); @@ -3507,6 +3508,11 @@ private: regs.SetRegisterToInteger(instr.gpr0, false, 0, "0u", 1, 1); break; } + case Tegra::Shader::SystemVariable::Ydirection: { + // Config pack's third value is Y_NEGATE's state. + regs.SetRegisterToFloat(instr.gpr0, 0, "uintBitsToFloat(config_pack[2])", 1, 1); + break; + } default: { UNIMPLEMENTED_MSG("Unhandled system move: {}", static_cast<u32>(instr.sys20.Value())); diff --git a/src/video_core/renderer_opengl/gl_shader_gen.cpp b/src/video_core/renderer_opengl/gl_shader_gen.cpp index eea090e52..23ed91e27 100644 --- a/src/video_core/renderer_opengl/gl_shader_gen.cpp +++ b/src/video_core/renderer_opengl/gl_shader_gen.cpp @@ -24,8 +24,7 @@ layout (location = 0) out vec4 position; layout(std140) uniform vs_config { vec4 viewport_flip; - uvec4 instance_id; - uvec4 flip_stage; + uvec4 config_pack; // instance_id, flip_stage, y_direction, padding uvec4 alpha_test; }; )"; @@ -63,7 +62,8 @@ void main() { out += R"( // Check if the flip stage is VertexB - if (flip_stage[0] == 1) { + // Config pack's second value is flip_stage + if (config_pack[1] == 1) { // Viewport can be flipped, which is unsupported by glViewport position.xy *= viewport_flip.xy; } @@ -71,7 +71,7 @@ void main() { // TODO(bunnei): This is likely a hack, position.w should be interpolated as 1.0 // For now, this is here to bring order in lieu of proper emulation - if (flip_stage[0] == 1) { + if (config_pack[1] == 1) { position.w = 1.0; } } @@ -101,8 +101,7 @@ layout (location = 0) out vec4 position; layout (std140) uniform gs_config { vec4 viewport_flip; - uvec4 instance_id; - uvec4 flip_stage; + uvec4 config_pack; // instance_id, flip_stage, y_direction, padding uvec4 alpha_test; }; @@ -139,8 +138,7 @@ layout (location = 0) in vec4 position; layout (std140) uniform fs_config { vec4 viewport_flip; - uvec4 instance_id; - uvec4 flip_stage; + uvec4 config_pack; // instance_id, flip_stage, y_direction, padding uvec4 alpha_test; }; diff --git a/src/video_core/renderer_opengl/gl_shader_manager.cpp b/src/video_core/renderer_opengl/gl_shader_manager.cpp index 8b8869ecb..6a30c28d2 100644 --- a/src/video_core/renderer_opengl/gl_shader_manager.cpp +++ b/src/video_core/renderer_opengl/gl_shader_manager.cpp @@ -27,16 +27,18 @@ void MaxwellUniformData::SetFromRegs(const Maxwell3D::State::ShaderStageInfo& sh alpha_test.func = func; alpha_test.ref = regs.alpha_test_ref; - // We only assign the instance to the first component of the vector, the rest is just padding. - instance_id[0] = state.current_instance; + instance_id = state.current_instance; // Assign in which stage the position has to be flipped // (the last stage before the fragment shader). if (gpu.regs.shader_config[static_cast<u32>(Maxwell3D::Regs::ShaderProgram::Geometry)].enable) { - flip_stage[0] = static_cast<u32>(Maxwell3D::Regs::ShaderProgram::Geometry); + flip_stage = static_cast<u32>(Maxwell3D::Regs::ShaderProgram::Geometry); } else { - flip_stage[0] = static_cast<u32>(Maxwell3D::Regs::ShaderProgram::VertexB); + flip_stage = static_cast<u32>(Maxwell3D::Regs::ShaderProgram::VertexB); } + + // Y_NEGATE controls what value S2R returns for the Y_DIRECTION system value. + y_direction = regs.screen_y_control.y_negate == 0 ? 1.f : -1.f; } } // namespace OpenGL::GLShader diff --git a/src/video_core/renderer_opengl/gl_shader_manager.h b/src/video_core/renderer_opengl/gl_shader_manager.h index 9a5d7e289..b757f5f44 100644 --- a/src/video_core/renderer_opengl/gl_shader_manager.h +++ b/src/video_core/renderer_opengl/gl_shader_manager.h @@ -21,8 +21,11 @@ using Tegra::Engines::Maxwell3D; struct MaxwellUniformData { void SetFromRegs(const Maxwell3D::State::ShaderStageInfo& shader_stage); alignas(16) GLvec4 viewport_flip; - alignas(16) GLuvec4 instance_id; - alignas(16) GLuvec4 flip_stage; + struct alignas(16) { + GLuint instance_id; + GLuint flip_stage; + GLfloat y_direction; + }; struct alignas(16) { GLuint enabled; GLuint func; @@ -30,7 +33,7 @@ struct MaxwellUniformData { GLuint padding; } alpha_test; }; -static_assert(sizeof(MaxwellUniformData) == 64, "MaxwellUniformData structure size is incorrect"); +static_assert(sizeof(MaxwellUniformData) == 48, "MaxwellUniformData structure size is incorrect"); static_assert(sizeof(MaxwellUniformData) < 16384, "MaxwellUniformData structure must be less than 16kb as per the OpenGL spec"); |