From 335df895b9f9e9760ed5cd0d6dfaea8befb94dac Mon Sep 17 00:00:00 2001
From: Yuri Kunde Schlesner <yuriks@yuriks.net>
Date: Sun, 18 Dec 2016 17:25:03 -0800
Subject: [PATCH] VideoCore: Consistently use shader configuration to load
attributes
---
.../graphics/graphics_vertex_shader.cpp | 6 +--
src/video_core/command_processor.cpp | 4 +-
src/video_core/pica.h | 37 ++++---------------
src/video_core/shader/shader.cpp | 11 +++---
src/video_core/shader/shader.h | 6 +--
src/video_core/shader/shader_interpreter.cpp | 4 +-
src/video_core/shader/shader_interpreter.h | 3 +-
7 files changed, 25 insertions(+), 46 deletions(-)
diff --git a/src/citra_qt/debugger/graphics/graphics_vertex_shader.cpp b/src/citra_qt/debugger/graphics/graphics_vertex_shader.cpp
index f37524190..489ec5f21 100644
--- a/src/citra_qt/debugger/graphics/graphics_vertex_shader.cpp
+++ b/src/citra_qt/debugger/graphics/graphics_vertex_shader.cpp
@@ -511,7 +511,7 @@ void GraphicsVertexShaderWidget::Reload(bool replace_vertex_data, void* vertex_d
auto& shader_config = Pica::g_state.regs.vs;
for (auto instr : shader_setup.program_code)
info.code.push_back({instr});
- int num_attributes = Pica::g_state.regs.vertex_attributes.GetNumTotalAttributes();
+ int num_attributes = shader_config.max_input_attribute_index + 1;
for (auto pattern : shader_setup.swizzle_data)
info.swizzle_info.push_back({pattern});
@@ -522,11 +522,11 @@ void GraphicsVertexShaderWidget::Reload(bool replace_vertex_data, void* vertex_d
// Generate debug information
Pica::Shader::InterpreterEngine shader_engine;
shader_engine.SetupBatch(shader_setup, entry_point);
- debug_data = shader_engine.ProduceDebugInfo(shader_setup, input_vertex, num_attributes);
+ debug_data = shader_engine.ProduceDebugInfo(shader_setup, input_vertex, shader_config);
// Reload widget state
for (int attr = 0; attr < num_attributes; ++attr) {
- unsigned source_attr = shader_config.input_register_map.GetRegisterForAttribute(attr);
+ unsigned source_attr = shader_config.GetRegisterForAttribute(attr);
input_data_mapping[attr]->setText(QString("-> v%1").arg(source_attr));
input_data_container[attr]->setVisible(true);
}
diff --git a/src/video_core/command_processor.cpp b/src/video_core/command_processor.cpp
index 27b7a023f..fef0b4ceb 100644
--- a/src/video_core/command_processor.cpp
+++ b/src/video_core/command_processor.cpp
@@ -151,7 +151,7 @@ static void WritePicaReg(u32 id, u32 value, u32 mask) {
g_debug_context->OnEvent(DebugContext::Event::VertexShaderInvocation,
static_cast<void*>(&immediate_input));
Shader::UnitState shader_unit;
- shader_unit.LoadInput(immediate_input, regs.vs.max_input_attribute_index + 1);
+ shader_unit.LoadInput(regs.vs, immediate_input);
shader_engine->Run(g_state.vs, shader_unit);
auto output_vertex = Shader::OutputVertex::FromRegisters(
shader_unit.registers.output, regs, regs.vs.output_mask);
@@ -288,7 +288,7 @@ static void WritePicaReg(u32 id, u32 value, u32 mask) {
if (g_debug_context)
g_debug_context->OnEvent(DebugContext::Event::VertexShaderInvocation,
(void*)&input);
- shader_unit.LoadInput(input, loader.GetNumTotalAttributes());
+ shader_unit.LoadInput(regs.vs, input);
shader_engine->Run(g_state.vs, shader_unit);
// Retrieve vertex from register data
diff --git a/src/video_core/pica.h b/src/video_core/pica.h
index c772896e0..ac81a3d0f 100644
--- a/src/video_core/pica.h
+++ b/src/video_core/pica.h
@@ -1225,36 +1225,15 @@ struct Regs {
// Offset to shader program entry point (in words)
BitField<0, 16, u32> main_offset;
- union {
- BitField<0, 4, u64> attribute0_register;
- BitField<4, 4, u64> attribute1_register;
- BitField<8, 4, u64> attribute2_register;
- BitField<12, 4, u64> attribute3_register;
- BitField<16, 4, u64> attribute4_register;
- BitField<20, 4, u64> attribute5_register;
- BitField<24, 4, u64> attribute6_register;
- BitField<28, 4, u64> attribute7_register;
- BitField<32, 4, u64> attribute8_register;
- BitField<36, 4, u64> attribute9_register;
- BitField<40, 4, u64> attribute10_register;
- BitField<44, 4, u64> attribute11_register;
- BitField<48, 4, u64> attribute12_register;
- BitField<52, 4, u64> attribute13_register;
- BitField<56, 4, u64> attribute14_register;
- BitField<60, 4, u64> attribute15_register;
+ /// Maps input attributes to registers. 4-bits per attribute, specifying a register index
+ u32 input_attribute_to_register_map_low;
+ u32 input_attribute_to_register_map_high;
- int GetRegisterForAttribute(int attribute_index) const {
- u64 fields[] = {
- attribute0_register, attribute1_register, attribute2_register,
- attribute3_register, attribute4_register, attribute5_register,
- attribute6_register, attribute7_register, attribute8_register,
- attribute9_register, attribute10_register, attribute11_register,
- attribute12_register, attribute13_register, attribute14_register,
- attribute15_register,
- };
- return (int)fields[attribute_index];
- }
- } input_register_map;
+ unsigned int GetRegisterForAttribute(unsigned int attribute_index) const {
+ u64 map = ((u64)input_attribute_to_register_map_high << 32) |
+ (u64)input_attribute_to_register_map_low;
+ return (map >> (attribute_index * 4)) & 0b1111;
+ }
BitField<0, 16, u32> output_mask;
diff --git a/src/video_core/shader/shader.cpp b/src/video_core/shader/shader.cpp
index 971ce5b7a..dbad167e9 100644
--- a/src/video_core/shader/shader.cpp
+++ b/src/video_core/shader/shader.cpp
@@ -71,12 +71,13 @@ OutputVertex OutputVertex::FromRegisters(Math::Vec4<float24> output_regs[16], co
return ret;
}
-void UnitState::LoadInput(const AttributeBuffer& input, int num_attributes) {
- // Setup input register table
- const auto& attribute_register_map = g_state.regs.vs.input_register_map;
+void UnitState::LoadInput(const Regs::ShaderConfig& config, const AttributeBuffer& input) {
+ const unsigned max_attribute = config.max_input_attribute_index;
- for (int i = 0; i < num_attributes; i++)
- registers.input[attribute_register_map.GetRegisterForAttribute(i)] = input.attr[i];
+ for (unsigned attr = 0; attr <= max_attribute; ++attr) {
+ unsigned reg = config.GetRegisterForAttribute(attr);
+ registers.input[reg] = input.attr[attr];
+ }
}
MICROPROFILE_DEFINE(GPU_Shader, "GPU", "Shader", MP_RGB(50, 50, 240));
diff --git a/src/video_core/shader/shader.h b/src/video_core/shader/shader.h
index cb38ec0a6..43a8b848c 100644
--- a/src/video_core/shader/shader.h
+++ b/src/video_core/shader/shader.h
@@ -137,10 +137,10 @@ struct UnitState {
/**
* Loads the unit state with an input vertex.
*
- * @param input Input vertex into the shader
- * @param num_attributes The number of vertex shader attributes to load
+ * @param config Shader configuration registers corresponding to the unit.
+ * @param input Attribute buffer to load into the input registers.
*/
- void LoadInput(const AttributeBuffer& input, int num_attributes);
+ void LoadInput(const Regs::ShaderConfig& config, const AttributeBuffer& input);
};
struct ShaderSetup {
diff --git a/src/video_core/shader/shader_interpreter.cpp b/src/video_core/shader/shader_interpreter.cpp
index d803aebbf..81522b8f5 100644
--- a/src/video_core/shader/shader_interpreter.cpp
+++ b/src/video_core/shader/shader_interpreter.cpp
@@ -669,13 +669,13 @@ void InterpreterEngine::Run(const ShaderSetup& setup, UnitState& state) const {
DebugData<true> InterpreterEngine::ProduceDebugInfo(const ShaderSetup& setup,
const AttributeBuffer& input,
- int num_attributes) const {
+ const Regs::ShaderConfig& config) const {
UnitState state;
DebugData<true> debug_data;
// Setup input register table
boost::fill(state.registers.input, Math::Vec4<float24>::AssignToAll(float24::Zero()));
- state.LoadInput(input, num_attributes);
+ state.LoadInput(config, input);
RunInterpreter(setup, state, debug_data, setup.engine_data.entry_point);
return debug_data;
}
diff --git a/src/video_core/shader/shader_interpreter.h b/src/video_core/shader/shader_interpreter.h
index 593e02157..d7a61e122 100644
--- a/src/video_core/shader/shader_interpreter.h
+++ b/src/video_core/shader/shader_interpreter.h
@@ -19,12 +19,11 @@ public:
/**
* Produce debug information based on the given shader and input vertex
* @param input Input vertex into the shader
- * @param num_attributes The number of vertex shader attributes
* @param config Configuration object for the shader pipeline
* @return Debug information for this shader with regards to the given vertex
*/
DebugData<true> ProduceDebugInfo(const ShaderSetup& setup, const AttributeBuffer& input,
- int num_attributes) const;
+ const Regs::ShaderConfig& config) const;
};
} // namespace