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Implement Bindless Handling on SetupTexture

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This commit is contained in:
Fernando Sahmkow 2019-03-26 18:18:54 -04:00 committed by FernandoS27
parent fe392fff24
commit 7af82ca022
4 changed files with 34 additions and 18 deletions
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31
src/video_core/engines/maxwell_3d.cpp
View file

@ -482,19 +482,8 @@ std::vector<Texture::FullTextureInfo> Maxwell3D::GetStageTextures(Regs::ShaderSt
return textures;
}
Texture::FullTextureInfo Maxwell3D::GetStageTexture(Regs::ShaderStage stage,
std::size_t offset) const {
auto& shader = state.shader_stages[static_cast<std::size_t>(stage)];
auto& tex_info_buffer = shader.const_buffers[regs.tex_cb_index];
ASSERT(tex_info_buffer.enabled && tex_info_buffer.address != 0);
const GPUVAddr tex_info_address =
tex_info_buffer.address + offset * sizeof(Texture::TextureHandle);
ASSERT(tex_info_address < tex_info_buffer.address + tex_info_buffer.size);
const Texture::TextureHandle tex_handle{memory_manager.Read<u32>(tex_info_address)};
Texture::FullTextureInfo Maxwell3D::GetTextureInfo(const Texture::TextureHandle tex_handle,
std::size_t offset) const {
Texture::FullTextureInfo tex_info{};
tex_info.index = static_cast<u32>(offset);
@ -511,6 +500,22 @@ Texture::FullTextureInfo Maxwell3D::GetStageTexture(Regs::ShaderStage stage,
return tex_info;
}
Texture::FullTextureInfo Maxwell3D::GetStageTexture(Regs::ShaderStage stage,
std::size_t offset) const {
auto& shader = state.shader_stages[static_cast<std::size_t>(stage)];
auto& tex_info_buffer = shader.const_buffers[regs.tex_cb_index];
ASSERT(tex_info_buffer.enabled && tex_info_buffer.address != 0);
const GPUVAddr tex_info_address =
tex_info_buffer.address + offset * sizeof(Texture::TextureHandle);
ASSERT(tex_info_address < tex_info_buffer.address + tex_info_buffer.size);
const Texture::TextureHandle tex_handle{memory_manager.Read<u32>(tex_info_address)};
return GetTextureInfo(tex_handle, offset);
}
u32 Maxwell3D::GetRegisterValue(u32 method) const {
ASSERT_MSG(method < Regs::NUM_REGS, "Invalid Maxwell3D register");
return regs.reg_array[method];

4
src/video_core/engines/maxwell_3d.h
View file

@ -1131,6 +1131,10 @@ public:
/// Write the value to the register identified by method.
void CallMethod(const GPU::MethodCall& method_call);
/// Given a Texture Handle, returns the TSC and TIC entries.
Texture::FullTextureInfo GetTextureInfo(const Texture::TextureHandle tex_handle,
std::size_t offset) const;
/// Returns a list of enabled textures for the specified shader stage.
std::vector<Texture::FullTextureInfo> GetStageTextures(Regs::ShaderStage stage) const;

10
src/video_core/renderer_opengl/gl_rasterizer.cpp
View file

@ -985,7 +985,15 @@ void RasterizerOpenGL::SetupTextures(Maxwell::ShaderStage stage, const Shader& s
for (u32 bindpoint = 0; bindpoint < entries.size(); ++bindpoint) {
const auto& entry = entries[bindpoint];
const auto texture = maxwell3d.GetStageTexture(stage, entry.GetOffset());
Tegra::Texture::FullTextureInfo texture;
if (!entry.IsBindless()) {
texture = maxwell3d.GetStageTexture(stage, entry.GetOffset());
} else {
const auto cbuf = entry.GetBindlessCBuf();
Tegra::Texture::TextureHandle tex_handle;
tex_handle.raw = const_buffer_accessor.access32(stage, cbuf.first, cbuf.second);
texture = maxwell3d.GetTextureInfo(tex_handle, entry.GetOffset());
}
const u32 current_bindpoint = base_bindings.sampler + bindpoint;
texture_samplers[current_bindpoint].SyncWithConfig(texture.tsc);

7
src/video_core/shader/shader_ir.h
View file

@ -205,8 +205,8 @@ public:
// Use this constructor for bindless Samplers
explicit Sampler(u32 cbuf_index, u32 cbuf_offset, std::size_t index,
Tegra::Shader::TextureType type, bool is_array, bool is_shadow)
: offset{(static_cast<u64>(cbuf_index) << 32) | cbuf_offset}, index{index}, type{type}, is_array{is_array},
is_shadow{is_shadow}, is_bindless{true} {}
: offset{(static_cast<u64>(cbuf_index) << 32) | cbuf_offset}, index{index}, type{type},
is_array{is_array}, is_shadow{is_shadow}, is_bindless{true} {}
// Use this only for serialization/deserialization
explicit Sampler(std::size_t offset, std::size_t index, Tegra::Shader::TextureType type,
@ -214,7 +214,6 @@ public:
: offset{offset}, index{index}, type{type}, is_array{is_array}, is_shadow{is_shadow},
is_bindless{is_bindless} {}
std::size_t GetOffset() const {
return offset;
}
@ -239,7 +238,7 @@ public:
return is_bindless;
}
std::pair<u32, u32> GetBindlessCBuf() {
std::pair<u32, u32> GetBindlessCBuf() const {
return {offset >> 32, offset & 0x00000000FFFFFFFFULL};
}