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-rw-r--r--src/video_core/renderer_opengl/gl_rasterizer_cache.cpp35
-rw-r--r--src/video_core/renderer_opengl/gl_rasterizer_cache.h9
-rw-r--r--src/video_core/renderer_opengl/gl_shader_decompiler.cpp82
3 files changed, 114 insertions, 12 deletions
diff --git a/src/video_core/renderer_opengl/gl_rasterizer_cache.cpp b/src/video_core/renderer_opengl/gl_rasterizer_cache.cpp
index 56ff83eff..65a220c41 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer_cache.cpp
+++ b/src/video_core/renderer_opengl/gl_rasterizer_cache.cpp
@@ -45,7 +45,9 @@ static VAddr TryGetCpuAddr(Tegra::GPUVAddr gpu_addr) {
SurfaceParams params{};
params.addr = TryGetCpuAddr(config.tic.Address());
params.is_tiled = config.tic.IsTiled();
+ params.block_width = params.is_tiled ? config.tic.BlockWidth() : 0,
params.block_height = params.is_tiled ? config.tic.BlockHeight() : 0,
+ params.block_depth = params.is_tiled ? config.tic.BlockDepth() : 0,
params.pixel_format =
PixelFormatFromTextureFormat(config.tic.format, config.tic.r_type.Value());
params.component_type = ComponentTypeFromTexture(config.tic.r_type.Value());
@@ -97,8 +99,11 @@ static VAddr TryGetCpuAddr(Tegra::GPUVAddr gpu_addr) {
const auto& config{Core::System::GetInstance().GPU().Maxwell3D().regs.rt[index]};
SurfaceParams params{};
params.addr = TryGetCpuAddr(config.Address());
- params.is_tiled = true;
- params.block_height = Tegra::Texture::TICEntry::DefaultBlockHeight;
+ params.is_tiled =
+ config.memory_layout.type == Tegra::Engines::Maxwell3D::Regs::InvMemoryLayout::BlockLinear;
+ params.block_width = 1 << config.memory_layout.block_width;
+ params.block_height = 1 << config.memory_layout.block_height;
+ params.block_depth = 1 << config.memory_layout.block_depth;
params.pixel_format = PixelFormatFromRenderTargetFormat(config.format);
params.component_type = ComponentTypeFromRenderTarget(config.format);
params.type = GetFormatType(params.pixel_format);
@@ -120,13 +125,16 @@ static VAddr TryGetCpuAddr(Tegra::GPUVAddr gpu_addr) {
return params;
}
-/*static*/ SurfaceParams SurfaceParams::CreateForDepthBuffer(u32 zeta_width, u32 zeta_height,
- Tegra::GPUVAddr zeta_address,
- Tegra::DepthFormat format) {
+/*static*/ SurfaceParams SurfaceParams::CreateForDepthBuffer(
+ u32 zeta_width, u32 zeta_height, Tegra::GPUVAddr zeta_address, Tegra::DepthFormat format,
+ u32 block_width, u32 block_height, u32 block_depth,
+ Tegra::Engines::Maxwell3D::Regs::InvMemoryLayout type) {
SurfaceParams params{};
params.addr = TryGetCpuAddr(zeta_address);
- params.is_tiled = true;
- params.block_height = Tegra::Texture::TICEntry::DefaultBlockHeight;
+ params.is_tiled = type == Tegra::Engines::Maxwell3D::Regs::InvMemoryLayout::BlockLinear;
+ params.block_width = 1 << std::min(block_width, 5U);
+ params.block_height = 1 << std::min(block_height, 5U);
+ params.block_depth = 1 << std::min(block_depth, 5U);
params.pixel_format = PixelFormatFromDepthFormat(format);
params.component_type = ComponentTypeFromDepthFormat(format);
params.type = GetFormatType(params.pixel_format);
@@ -148,7 +156,9 @@ static VAddr TryGetCpuAddr(Tegra::GPUVAddr gpu_addr) {
SurfaceParams params{};
params.addr = TryGetCpuAddr(config.Address());
params.is_tiled = !config.linear;
- params.block_height = params.is_tiled ? config.BlockHeight() : 0,
+ params.block_width = params.is_tiled ? std::min(config.BlockWidth(), 32U) : 0,
+ params.block_height = params.is_tiled ? std::min(config.BlockHeight(), 32U) : 0,
+ params.block_depth = params.is_tiled ? std::min(config.BlockDepth(), 32U) : 0,
params.pixel_format = PixelFormatFromRenderTargetFormat(config.format);
params.component_type = ComponentTypeFromRenderTarget(config.format);
params.type = GetFormatType(params.pixel_format);
@@ -818,6 +828,11 @@ void CachedSurface::LoadGLBuffer() {
if (params.is_tiled) {
gl_buffer.resize(total_size);
+ ASSERT_MSG(params.block_width == 1, "Block width is defined as {} on texture type {}",
+ params.block_width, static_cast<u32>(params.target));
+ ASSERT_MSG(params.block_depth == 1, "Block depth is defined as {} on texture type {}",
+ params.block_depth, static_cast<u32>(params.target));
+
// TODO(bunnei): This only unswizzles and copies a 2D texture - we do not yet know how to do
// this for 3D textures, etc.
switch (params.target) {
@@ -989,7 +1004,9 @@ Surface RasterizerCacheOpenGL::GetDepthBufferSurface(bool preserve_contents) {
}
SurfaceParams depth_params{SurfaceParams::CreateForDepthBuffer(
- regs.zeta_width, regs.zeta_height, regs.zeta.Address(), regs.zeta.format)};
+ regs.zeta_width, regs.zeta_height, regs.zeta.Address(), regs.zeta.format,
+ regs.zeta.memory_layout.block_width, regs.zeta.memory_layout.block_height,
+ regs.zeta.memory_layout.block_depth, regs.zeta.memory_layout.type)};
return GetSurface(depth_params, preserve_contents);
}
diff --git a/src/video_core/renderer_opengl/gl_rasterizer_cache.h b/src/video_core/renderer_opengl/gl_rasterizer_cache.h
index 0b4940b3c..66d98ad4e 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer_cache.h
+++ b/src/video_core/renderer_opengl/gl_rasterizer_cache.h
@@ -716,9 +716,10 @@ struct SurfaceParams {
static SurfaceParams CreateForFramebuffer(std::size_t index);
/// Creates SurfaceParams for a depth buffer configuration
- static SurfaceParams CreateForDepthBuffer(u32 zeta_width, u32 zeta_height,
- Tegra::GPUVAddr zeta_address,
- Tegra::DepthFormat format);
+ static SurfaceParams CreateForDepthBuffer(
+ u32 zeta_width, u32 zeta_height, Tegra::GPUVAddr zeta_address, Tegra::DepthFormat format,
+ u32 block_width, u32 block_height, u32 block_depth,
+ Tegra::Engines::Maxwell3D::Regs::InvMemoryLayout type);
/// Creates SurfaceParams for a Fermi2D surface copy
static SurfaceParams CreateForFermiCopySurface(
@@ -733,7 +734,9 @@ struct SurfaceParams {
VAddr addr;
bool is_tiled;
+ u32 block_width;
u32 block_height;
+ u32 block_depth;
PixelFormat pixel_format;
ComponentType component_type;
SurfaceType type;
diff --git a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
index c82a0dcfa..8dfb49507 100644
--- a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
+++ b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
@@ -2953,6 +2953,88 @@ private:
LOG_WARNING(HW_GPU, "DEPBAR instruction is stubbed");
break;
}
+ case OpCode::Id::VMAD: {
+ const bool signed_a = instr.vmad.signed_a == 1;
+ const bool signed_b = instr.vmad.signed_b == 1;
+ const bool result_signed = signed_a || signed_b;
+ boost::optional<std::string> forced_result;
+
+ auto Unpack = [&](const std::string& op, bool is_chunk, bool is_signed,
+ Tegra::Shader::VmadType type, u64 byte_height) {
+ const std::string value = [&]() {
+ if (!is_chunk) {
+ const auto offset = static_cast<u32>(byte_height * 8);
+ return "((" + op + " >> " + std::to_string(offset) + ") & 0xff)";
+ }
+ const std::string zero = "0";
+
+ switch (type) {
+ case Tegra::Shader::VmadType::Size16_Low:
+ return '(' + op + " & 0xffff)";
+ case Tegra::Shader::VmadType::Size16_High:
+ return '(' + op + " >> 16)";
+ case Tegra::Shader::VmadType::Size32:
+ // TODO(Rodrigo): From my hardware tests it becomes a bit "mad" when
+ // this type is used (1 * 1 + 0 == 0x5b800000). Until a better
+ // explanation is found: assert.
+ UNREACHABLE_MSG("Unimplemented");
+ return zero;
+ case Tegra::Shader::VmadType::Invalid:
+ // Note(Rodrigo): This flag is invalid according to nvdisasm. From my
+ // testing (even though it's invalid) this makes the whole instruction
+ // assign zero to target register.
+ forced_result = boost::make_optional(zero);
+ return zero;
+ default:
+ UNREACHABLE();
+ return zero;
+ }
+ }();
+
+ if (is_signed) {
+ return "int(" + value + ')';
+ }
+ return value;
+ };
+
+ const std::string op_a = Unpack(regs.GetRegisterAsInteger(instr.gpr8, 0, false),
+ instr.vmad.is_byte_chunk_a != 0, signed_a,
+ instr.vmad.type_a, instr.vmad.byte_height_a);
+
+ std::string op_b;
+ if (instr.vmad.use_register_b) {
+ op_b = Unpack(regs.GetRegisterAsInteger(instr.gpr20, 0, false),
+ instr.vmad.is_byte_chunk_b != 0, signed_b, instr.vmad.type_b,
+ instr.vmad.byte_height_b);
+ } else {
+ op_b = '(' +
+ std::to_string(signed_b ? static_cast<s16>(instr.alu.GetImm20_16())
+ : instr.alu.GetImm20_16()) +
+ ')';
+ }
+
+ const std::string op_c = regs.GetRegisterAsInteger(instr.gpr39, 0, result_signed);
+
+ std::string result;
+ if (forced_result) {
+ result = *forced_result;
+ } else {
+ result = '(' + op_a + " * " + op_b + " + " + op_c + ')';
+
+ switch (instr.vmad.shr) {
+ case Tegra::Shader::VmadShr::Shr7:
+ result = '(' + result + " >> 7)";
+ break;
+ case Tegra::Shader::VmadShr::Shr15:
+ result = '(' + result + " >> 15)";
+ break;
+ }
+ }
+ regs.SetRegisterToInteger(instr.gpr0, result_signed, 1, result, 1, 1,
+ instr.vmad.saturate == 1, 0, Register::Size::Word,
+ instr.vmad.cc);
+ break;
+ }
default: {
LOG_CRITICAL(HW_GPU, "Unhandled instruction: {}", opcode->GetName());
UNREACHABLE();
generated by cgit v1.2.3 (git 2.25.1) at 2025-12-10 21:06:13 +0000