gl_shader_gen: Add uniform handling for indirect const buffer access.

master
bunnei 2018-06-05 23:34:37 +07:00
parent 6e386a334b
commit 4112aa68a6
3 changed files with 40 additions and 4 deletions

@ -654,7 +654,16 @@ u32 RasterizerOpenGL::SetupConstBuffers(Maxwell::ShaderStage stage, GLuint progr
buffer_draw_state.bindpoint = current_bindpoint + bindpoint;
boost::optional<VAddr> addr = gpu.memory_manager->GpuToCpuAddress(buffer.address);
std::vector<u8> data(used_buffer.GetSize() * sizeof(float));
std::vector<u8> data;
if (used_buffer.IsIndirect()) {
// Buffer is accessed indirectly, so upload the entire thing
data.resize(buffer.size * sizeof(float));
} else {
// Buffer is accessed directly, upload just what we use
data.resize(used_buffer.GetSize() * sizeof(float));
}
Memory::ReadBlock(*addr, data.data(), data.size());
glBindBuffer(GL_SHADER_STORAGE_BUFFER, buffer_draw_state.ssbo);

@ -377,6 +377,21 @@ public:
}
}
std::string GetUniformIndirect(u64 index, s64 offset, const Register& index_reg,
GLSLRegister::Type type) {
declr_const_buffers[index].MarkAsUsedIndirect(index, stage);
std::string value = 'c' + std::to_string(index) + "[(floatBitsToInt(" +
GetRegister(index_reg, 0) + ") + " + std::to_string(offset) + ") / 4]";
if (type == GLSLRegister::Type::Float) {
return value;
} else if (type == GLSLRegister::Type::Integer) {
return "floatBitsToInt(" + value + ')';
} else {
UNREACHABLE();
}
}
/// Add declarations for registers
void GenerateDeclarations() {
for (const auto& reg : regs) {

@ -22,17 +22,28 @@ class ConstBufferEntry {
using Maxwell = Tegra::Engines::Maxwell3D::Regs;
public:
void MarkAsUsed(unsigned index, unsigned offset, Maxwell::ShaderStage stage) {
void MarkAsUsed(u64 index, u64 offset, Maxwell::ShaderStage stage) {
is_used = true;
this->index = index;
this->index = static_cast<unsigned>(index);
this->stage = stage;
max_offset = std::max(max_offset, static_cast<unsigned>(offset));
}
void MarkAsUsedIndirect(u64 index, Maxwell::ShaderStage stage) {
is_used = true;
is_indirect = true;
this->index = static_cast<unsigned>(index);
this->stage = stage;
max_offset = std::max(max_offset, offset);
}
bool IsUsed() const {
return is_used;
}
bool IsIndirect() const {
return is_indirect;
}
unsigned GetIndex() const {
return index;
}
@ -51,6 +62,7 @@ private:
};
bool is_used{};
bool is_indirect{};
unsigned index{};
unsigned max_offset{};
Maxwell::ShaderStage stage;