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-rw-r--r--src/video_core/engines/fermi_2d.cpp50
-rw-r--r--src/video_core/engines/fermi_2d.h8
-rw-r--r--src/video_core/gpu.cpp2
-rw-r--r--src/video_core/rasterizer_interface.h11
-rw-r--r--src/video_core/renderer_opengl/gl_rasterizer.cpp29
-rw-r--r--src/video_core/renderer_opengl/gl_rasterizer.h6
-rw-r--r--src/video_core/renderer_opengl/gl_rasterizer_cache.cpp63
-rw-r--r--src/video_core/renderer_opengl/gl_rasterizer_cache.h9
-rw-r--r--src/video_core/renderer_opengl/gl_shader_decompiler.cpp262
-rw-r--r--src/video_core/renderer_opengl/gl_shader_gen.h14
-rw-r--r--src/video_core/renderer_opengl/maxwell_to_gl.h25
-rw-r--r--src/video_core/textures/texture.h13
12 files changed, 383 insertions, 109 deletions
diff --git a/src/video_core/engines/fermi_2d.cpp b/src/video_core/engines/fermi_2d.cpp
index ea1555c5d..912e785b9 100644
--- a/src/video_core/engines/fermi_2d.cpp
+++ b/src/video_core/engines/fermi_2d.cpp
@@ -4,11 +4,13 @@
#include "core/memory.h"
#include "video_core/engines/fermi_2d.h"
+#include "video_core/rasterizer_interface.h"
#include "video_core/textures/decoders.h"
namespace Tegra::Engines {
-Fermi2D::Fermi2D(MemoryManager& memory_manager) : memory_manager(memory_manager) {}
+Fermi2D::Fermi2D(VideoCore::RasterizerInterface& rasterizer, MemoryManager& memory_manager)
+ : memory_manager(memory_manager), rasterizer{rasterizer} {}
void Fermi2D::WriteReg(u32 method, u32 value) {
ASSERT_MSG(method < Regs::NUM_REGS,
@@ -44,27 +46,31 @@ void Fermi2D::HandleSurfaceCopy() {
u32 src_bytes_per_pixel = RenderTargetBytesPerPixel(regs.src.format);
u32 dst_bytes_per_pixel = RenderTargetBytesPerPixel(regs.dst.format);
- if (regs.src.linear == regs.dst.linear) {
- // If the input layout and the output layout are the same, just perform a raw copy.
- ASSERT(regs.src.BlockHeight() == regs.dst.BlockHeight());
- Memory::CopyBlock(dest_cpu, source_cpu,
- src_bytes_per_pixel * regs.dst.width * regs.dst.height);
- return;
- }
-
- u8* src_buffer = Memory::GetPointer(source_cpu);
- u8* dst_buffer = Memory::GetPointer(dest_cpu);
-
- if (!regs.src.linear && regs.dst.linear) {
- // If the input is tiled and the output is linear, deswizzle the input and copy it over.
- Texture::CopySwizzledData(regs.src.width, regs.src.height, src_bytes_per_pixel,
- dst_bytes_per_pixel, src_buffer, dst_buffer, true,
- regs.src.BlockHeight());
- } else {
- // If the input is linear and the output is tiled, swizzle the input and copy it over.
- Texture::CopySwizzledData(regs.src.width, regs.src.height, src_bytes_per_pixel,
- dst_bytes_per_pixel, dst_buffer, src_buffer, false,
- regs.dst.BlockHeight());
+ if (!rasterizer.AccelerateSurfaceCopy(regs.src, regs.dst)) {
+ // TODO(bunnei): The below implementation currently will not get hit, as
+ // AccelerateSurfaceCopy tries to always copy and will always return success. This should be
+ // changed once we properly support flushing.
+
+ if (regs.src.linear == regs.dst.linear) {
+ // If the input layout and the output layout are the same, just perform a raw copy.
+ ASSERT(regs.src.BlockHeight() == regs.dst.BlockHeight());
+ Memory::CopyBlock(dest_cpu, source_cpu,
+ src_bytes_per_pixel * regs.dst.width * regs.dst.height);
+ return;
+ }
+ u8* src_buffer = Memory::GetPointer(source_cpu);
+ u8* dst_buffer = Memory::GetPointer(dest_cpu);
+ if (!regs.src.linear && regs.dst.linear) {
+ // If the input is tiled and the output is linear, deswizzle the input and copy it over.
+ Texture::CopySwizzledData(regs.src.width, regs.src.height, src_bytes_per_pixel,
+ dst_bytes_per_pixel, src_buffer, dst_buffer, true,
+ regs.src.BlockHeight());
+ } else {
+ // If the input is linear and the output is tiled, swizzle the input and copy it over.
+ Texture::CopySwizzledData(regs.src.width, regs.src.height, src_bytes_per_pixel,
+ dst_bytes_per_pixel, dst_buffer, src_buffer, false,
+ regs.dst.BlockHeight());
+ }
}
}
diff --git a/src/video_core/engines/fermi_2d.h b/src/video_core/engines/fermi_2d.h
index 021b83eaa..81d15c62a 100644
--- a/src/video_core/engines/fermi_2d.h
+++ b/src/video_core/engines/fermi_2d.h
@@ -12,6 +12,10 @@
#include "video_core/gpu.h"
#include "video_core/memory_manager.h"
+namespace VideoCore {
+class RasterizerInterface;
+}
+
namespace Tegra::Engines {
#define FERMI2D_REG_INDEX(field_name) \
@@ -19,7 +23,7 @@ namespace Tegra::Engines {
class Fermi2D final {
public:
- explicit Fermi2D(MemoryManager& memory_manager);
+ explicit Fermi2D(VideoCore::RasterizerInterface& rasterizer, MemoryManager& memory_manager);
~Fermi2D() = default;
/// Write the value to the register identified by method.
@@ -94,6 +98,8 @@ public:
MemoryManager& memory_manager;
private:
+ VideoCore::RasterizerInterface& rasterizer;
+
/// Performs the copy from the source surface to the destination surface as configured in the
/// registers.
void HandleSurfaceCopy();
diff --git a/src/video_core/gpu.cpp b/src/video_core/gpu.cpp
index baa8b63b7..9ba7e3533 100644
--- a/src/video_core/gpu.cpp
+++ b/src/video_core/gpu.cpp
@@ -25,7 +25,7 @@ u32 FramebufferConfig::BytesPerPixel(PixelFormat format) {
GPU::GPU(VideoCore::RasterizerInterface& rasterizer) {
memory_manager = std::make_unique<Tegra::MemoryManager>();
maxwell_3d = std::make_unique<Engines::Maxwell3D>(rasterizer, *memory_manager);
- fermi_2d = std::make_unique<Engines::Fermi2D>(*memory_manager);
+ fermi_2d = std::make_unique<Engines::Fermi2D>(rasterizer, *memory_manager);
maxwell_compute = std::make_unique<Engines::MaxwellCompute>();
maxwell_dma = std::make_unique<Engines::MaxwellDMA>(*memory_manager);
kepler_memory = std::make_unique<Engines::KeplerMemory>(*memory_manager);
diff --git a/src/video_core/rasterizer_interface.h b/src/video_core/rasterizer_interface.h
index cd819d69f..06fc59dbe 100644
--- a/src/video_core/rasterizer_interface.h
+++ b/src/video_core/rasterizer_interface.h
@@ -5,6 +5,7 @@
#pragma once
#include "common/common_types.h"
+#include "video_core/engines/fermi_2d.h"
#include "video_core/gpu.h"
#include "video_core/memory_manager.h"
@@ -33,13 +34,9 @@ public:
/// and invalidated
virtual void FlushAndInvalidateRegion(VAddr addr, u64 size) = 0;
- /// Attempt to use a faster method to perform a display transfer with is_texture_copy = 0
- virtual bool AccelerateDisplayTransfer(const void* config) {
- return false;
- }
-
- /// Attempt to use a faster method to perform a display transfer with is_texture_copy = 1
- virtual bool AccelerateTextureCopy(const void* config) {
+ /// Attempt to use a faster method to perform a surface copy
+ virtual bool AccelerateSurfaceCopy(const Tegra::Engines::Fermi2D::Regs::Surface& src,
+ const Tegra::Engines::Fermi2D::Regs::Surface& dst) {
return false;
}
diff --git a/src/video_core/renderer_opengl/gl_rasterizer.cpp b/src/video_core/renderer_opengl/gl_rasterizer.cpp
index 60dcdc184..209bdf181 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer.cpp
+++ b/src/video_core/renderer_opengl/gl_rasterizer.cpp
@@ -252,6 +252,7 @@ DrawParameters RasterizerOpenGL::SetupDraw() {
params.count = regs.vertex_buffer.count;
params.vertex_first = regs.vertex_buffer.first;
}
+ return params;
}
void RasterizerOpenGL::SetupShaders() {
@@ -616,14 +617,10 @@ void RasterizerOpenGL::FlushAndInvalidateRegion(VAddr addr, u64 size) {
InvalidateRegion(addr, size);
}
-bool RasterizerOpenGL::AccelerateDisplayTransfer(const void* config) {
+bool RasterizerOpenGL::AccelerateSurfaceCopy(const Tegra::Engines::Fermi2D::Regs::Surface& src,
+ const Tegra::Engines::Fermi2D::Regs::Surface& dst) {
MICROPROFILE_SCOPE(OpenGL_Blits);
- UNREACHABLE();
- return true;
-}
-
-bool RasterizerOpenGL::AccelerateTextureCopy(const void* config) {
- UNREACHABLE();
+ res_cache.FermiCopySurface(src, dst);
return true;
}
@@ -661,10 +658,13 @@ void RasterizerOpenGL::SamplerInfo::Create() {
sampler.Create();
mag_filter = min_filter = Tegra::Texture::TextureFilter::Linear;
wrap_u = wrap_v = wrap_p = Tegra::Texture::WrapMode::Wrap;
+ uses_depth_compare = false;
+ depth_compare_func = Tegra::Texture::DepthCompareFunc::Never;
// default is GL_LINEAR_MIPMAP_LINEAR
glSamplerParameteri(sampler.handle, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
// Other attributes have correct defaults
+ glSamplerParameteri(sampler.handle, GL_TEXTURE_COMPARE_FUNC, GL_NEVER);
}
void RasterizerOpenGL::SamplerInfo::SyncWithConfig(const Tegra::Texture::TSCEntry& config) {
@@ -692,6 +692,21 @@ void RasterizerOpenGL::SamplerInfo::SyncWithConfig(const Tegra::Texture::TSCEntr
glSamplerParameteri(s, GL_TEXTURE_WRAP_R, MaxwellToGL::WrapMode(wrap_p));
}
+ if (uses_depth_compare != (config.depth_compare_enabled == 1)) {
+ uses_depth_compare = (config.depth_compare_enabled == 1);
+ if (uses_depth_compare) {
+ glSamplerParameteri(s, GL_TEXTURE_COMPARE_MODE, GL_COMPARE_REF_TO_TEXTURE);
+ } else {
+ glSamplerParameteri(s, GL_TEXTURE_COMPARE_MODE, GL_NONE);
+ }
+ }
+
+ if (depth_compare_func != config.depth_compare_func) {
+ depth_compare_func = config.depth_compare_func;
+ glSamplerParameteri(s, GL_TEXTURE_COMPARE_FUNC,
+ MaxwellToGL::DepthCompareFunc(depth_compare_func));
+ }
+
if (wrap_u == Tegra::Texture::WrapMode::Border || wrap_v == Tegra::Texture::WrapMode::Border ||
wrap_p == Tegra::Texture::WrapMode::Border) {
const GLvec4 new_border_color = {{config.border_color_r, config.border_color_g,
diff --git a/src/video_core/renderer_opengl/gl_rasterizer.h b/src/video_core/renderer_opengl/gl_rasterizer.h
index bf954bb5d..0dab2018b 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer.h
+++ b/src/video_core/renderer_opengl/gl_rasterizer.h
@@ -52,8 +52,8 @@ public:
void FlushRegion(VAddr addr, u64 size) override;
void InvalidateRegion(VAddr addr, u64 size) override;
void FlushAndInvalidateRegion(VAddr addr, u64 size) override;
- bool AccelerateDisplayTransfer(const void* config) override;
- bool AccelerateTextureCopy(const void* config) override;
+ bool AccelerateSurfaceCopy(const Tegra::Engines::Fermi2D::Regs::Surface& src,
+ const Tegra::Engines::Fermi2D::Regs::Surface& dst) override;
bool AccelerateFill(const void* config) override;
bool AccelerateDisplay(const Tegra::FramebufferConfig& config, VAddr framebuffer_addr,
u32 pixel_stride) override;
@@ -96,6 +96,8 @@ private:
Tegra::Texture::WrapMode wrap_u;
Tegra::Texture::WrapMode wrap_v;
Tegra::Texture::WrapMode wrap_p;
+ bool uses_depth_compare;
+ Tegra::Texture::DepthCompareFunc depth_compare_func;
GLvec4 border_color;
};
diff --git a/src/video_core/renderer_opengl/gl_rasterizer_cache.cpp b/src/video_core/renderer_opengl/gl_rasterizer_cache.cpp
index ce967c4d6..56ff83eff 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer_cache.cpp
+++ b/src/video_core/renderer_opengl/gl_rasterizer_cache.cpp
@@ -143,6 +143,28 @@ static VAddr TryGetCpuAddr(Tegra::GPUVAddr gpu_addr) {
return params;
}
+/*static*/ SurfaceParams SurfaceParams::CreateForFermiCopySurface(
+ const Tegra::Engines::Fermi2D::Regs::Surface& config) {
+ SurfaceParams params{};
+ params.addr = TryGetCpuAddr(config.Address());
+ params.is_tiled = !config.linear;
+ params.block_height = params.is_tiled ? config.BlockHeight() : 0,
+ params.pixel_format = PixelFormatFromRenderTargetFormat(config.format);
+ params.component_type = ComponentTypeFromRenderTarget(config.format);
+ params.type = GetFormatType(params.pixel_format);
+ params.width = config.width;
+ params.height = config.height;
+ params.unaligned_height = config.height;
+ params.target = SurfaceTarget::Texture2D;
+ params.depth = 1;
+ params.size_in_bytes_total = params.SizeInBytesTotal();
+ params.size_in_bytes_2d = params.SizeInBytes2D();
+ params.max_mip_level = 0;
+ params.rt = {};
+
+ return params;
+}
+
static constexpr std::array<FormatTuple, SurfaceParams::MaxPixelFormat> tex_format_tuples = {{
{GL_RGBA8, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8_REV, ComponentType::UNorm, false}, // ABGR8U
{GL_RGBA8, GL_RGBA, GL_BYTE, ComponentType::SNorm, false}, // ABGR8S
@@ -559,6 +581,18 @@ static bool BlitSurface(const Surface& src_surface, const Surface& dst_surface,
return true;
}
+static void FastCopySurface(const Surface& src_surface, const Surface& dst_surface) {
+ const auto& src_params{src_surface->GetSurfaceParams()};
+ const auto& dst_params{dst_surface->GetSurfaceParams()};
+
+ const u32 width{std::min(src_params.width, dst_params.width)};
+ const u32 height{std::min(src_params.height, dst_params.height)};
+
+ glCopyImageSubData(src_surface->Texture().handle, SurfaceTargetToGL(src_params.target), 0, 0, 0,
+ 0, dst_surface->Texture().handle, SurfaceTargetToGL(dst_params.target), 0, 0,
+ 0, 0, width, height, 1);
+}
+
static void CopySurface(const Surface& src_surface, const Surface& dst_surface,
GLuint copy_pbo_handle, GLenum src_attachment = 0,
GLenum dst_attachment = 0, std::size_t cubemap_face = 0) {
@@ -1033,6 +1067,26 @@ Surface RasterizerCacheOpenGL::GetUncachedSurface(const SurfaceParams& params) {
return surface;
}
+void RasterizerCacheOpenGL::FermiCopySurface(
+ const Tegra::Engines::Fermi2D::Regs::Surface& src_config,
+ const Tegra::Engines::Fermi2D::Regs::Surface& dst_config) {
+
+ const auto& src_params = SurfaceParams::CreateForFermiCopySurface(src_config);
+ const auto& dst_params = SurfaceParams::CreateForFermiCopySurface(dst_config);
+
+ ASSERT(src_params.width == dst_params.width);
+ ASSERT(src_params.height == dst_params.height);
+ ASSERT(src_params.pixel_format == dst_params.pixel_format);
+ ASSERT(src_params.block_height == dst_params.block_height);
+ ASSERT(src_params.is_tiled == dst_params.is_tiled);
+ ASSERT(src_params.depth == dst_params.depth);
+ ASSERT(src_params.depth == 1); // Currently, FastCopySurface only works with 2D surfaces
+ ASSERT(src_params.target == dst_params.target);
+ ASSERT(src_params.rt.index == dst_params.rt.index);
+
+ FastCopySurface(GetSurface(src_params, true), GetSurface(dst_params, false));
+}
+
Surface RasterizerCacheOpenGL::RecreateSurface(const Surface& old_surface,
const SurfaceParams& new_params) {
// Verify surface is compatible for blitting
@@ -1041,6 +1095,15 @@ Surface RasterizerCacheOpenGL::RecreateSurface(const Surface& old_surface,
// Get a new surface with the new parameters, and blit the previous surface to it
Surface new_surface{GetUncachedSurface(new_params)};
+ // For compatible surfaces, we can just do fast glCopyImageSubData based copy
+ if (old_params.target == new_params.target && old_params.type == new_params.type &&
+ old_params.depth == new_params.depth && old_params.depth == 1 &&
+ SurfaceParams::GetFormatBpp(old_params.pixel_format) ==
+ SurfaceParams::GetFormatBpp(new_params.pixel_format)) {
+ FastCopySurface(old_surface, new_surface);
+ return new_surface;
+ }
+
// If the format is the same, just do a framebuffer blit. This is significantly faster than
// using PBOs. The is also likely less accurate, as textures will be converted rather than
// reinterpreted. When use_accurate_framebuffers setting is enabled, perform a more accurate
diff --git a/src/video_core/renderer_opengl/gl_rasterizer_cache.h b/src/video_core/renderer_opengl/gl_rasterizer_cache.h
index 49025a3fe..0b4940b3c 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer_cache.h
+++ b/src/video_core/renderer_opengl/gl_rasterizer_cache.h
@@ -13,6 +13,7 @@
#include "common/common_types.h"
#include "common/hash.h"
#include "common/math_util.h"
+#include "video_core/engines/fermi_2d.h"
#include "video_core/engines/maxwell_3d.h"
#include "video_core/rasterizer_cache.h"
#include "video_core/renderer_opengl/gl_resource_manager.h"
@@ -719,6 +720,10 @@ struct SurfaceParams {
Tegra::GPUVAddr zeta_address,
Tegra::DepthFormat format);
+ /// Creates SurfaceParams for a Fermi2D surface copy
+ static SurfaceParams CreateForFermiCopySurface(
+ const Tegra::Engines::Fermi2D::Regs::Surface& config);
+
/// Checks if surfaces are compatible for caching
bool IsCompatibleSurface(const SurfaceParams& other) const {
return std::tie(pixel_format, type, width, height, target, depth) ==
@@ -837,6 +842,10 @@ public:
/// Tries to find a framebuffer using on the provided CPU address
Surface TryFindFramebufferSurface(VAddr addr) const;
+ /// Copies the contents of one surface to another
+ void FermiCopySurface(const Tegra::Engines::Fermi2D::Regs::Surface& src_config,
+ const Tegra::Engines::Fermi2D::Regs::Surface& dst_config);
+
private:
void LoadSurface(const Surface& surface);
Surface GetSurface(const SurfaceParams& params, bool preserve_contents = true);
diff --git a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
index 579a78702..7e57de78a 100644
--- a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
+++ b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
@@ -508,7 +508,7 @@ public:
/// Returns the GLSL sampler used for the input shader sampler, and creates a new one if
/// necessary.
std::string AccessSampler(const Sampler& sampler, Tegra::Shader::TextureType type,
- bool is_array) {
+ bool is_array, bool is_shadow) {
const std::size_t offset = static_cast<std::size_t>(sampler.index.Value());
// If this sampler has already been used, return the existing mapping.
@@ -517,13 +517,14 @@ public:
[&](const SamplerEntry& entry) { return entry.GetOffset() == offset; });
if (itr != used_samplers.end()) {
- ASSERT(itr->GetType() == type && itr->IsArray() == is_array);
+ ASSERT(itr->GetType() == type && itr->IsArray() == is_array &&
+ itr->IsShadow() == is_shadow);
return itr->GetName();
}
// Otherwise create a new mapping for this sampler
const std::size_t next_index = used_samplers.size();
- const SamplerEntry entry{stage, offset, next_index, type, is_array};
+ const SamplerEntry entry{stage, offset, next_index, type, is_array, is_shadow};
used_samplers.emplace_back(entry);
return entry.GetName();
}
@@ -747,8 +748,9 @@ private:
}
/// Generates code representing a texture sampler.
- std::string GetSampler(const Sampler& sampler, Tegra::Shader::TextureType type, bool is_array) {
- return regs.AccessSampler(sampler, type, is_array);
+ std::string GetSampler(const Sampler& sampler, Tegra::Shader::TextureType type, bool is_array,
+ bool is_shadow) {
+ return regs.AccessSampler(sampler, type, is_array, is_shadow);
}
/**
@@ -1002,6 +1004,24 @@ private:
shader.AddLine('}');
}
+ static u32 TextureCoordinates(Tegra::Shader::TextureType texture_type) {
+ switch (texture_type) {
+ case Tegra::Shader::TextureType::Texture1D: {
+ return 1;
+ }
+ case Tegra::Shader::TextureType::Texture2D: {
+ return 2;
+ }
+ case Tegra::Shader::TextureType::TextureCube: {
+ return 3;
+ }
+ default:
+ LOG_CRITICAL(HW_GPU, "Unhandled texture type {}", static_cast<u32>(texture_type));
+ UNREACHABLE();
+ return 0;
+ }
+ }
+
/*
* Emits code to push the input target address to the SSY address stack, incrementing the stack
* top.
@@ -1896,24 +1916,35 @@ private:
"NODEP is not implemented");
ASSERT_MSG(!instr.tex.UsesMiscMode(Tegra::Shader::TextureMiscMode::AOFFI),
"AOFFI is not implemented");
- ASSERT_MSG(!instr.tex.UsesMiscMode(Tegra::Shader::TextureMiscMode::DC),
- "DC is not implemented");
- switch (texture_type) {
- case Tegra::Shader::TextureType::Texture1D: {
+ const bool depth_compare =
+ instr.tex.UsesMiscMode(Tegra::Shader::TextureMiscMode::DC);
+ u32 num_coordinates = TextureCoordinates(texture_type);
+ if (depth_compare)
+ num_coordinates += 1;
+
+ switch (num_coordinates) {
+ case 1: {
const std::string x = regs.GetRegisterAsFloat(instr.gpr8);
coord = "float coords = " + x + ';';
break;
}
- case Tegra::Shader::TextureType::Texture2D: {
+ case 2: {
const std::string x = regs.GetRegisterAsFloat(instr.gpr8);
const std::string y = regs.GetRegisterAsFloat(instr.gpr8.Value() + 1);
coord = "vec2 coords = vec2(" + x + ", " + y + ");";
break;
}
+ case 3: {
+ const std::string x = regs.GetRegisterAsFloat(instr.gpr8);
+ const std::string y = regs.GetRegisterAsFloat(instr.gpr8.Value() + 1);
+ const std::string z = regs.GetRegisterAsFloat(instr.gpr20);
+ coord = "vec3 coords = vec3(" + x + ", " + y + ", " + z + ");";
+ break;
+ }
default:
- LOG_CRITICAL(HW_GPU, "Unhandled texture type {}",
- static_cast<u32>(texture_type));
+ LOG_CRITICAL(HW_GPU, "Unhandled coordinates number {}",
+ static_cast<u32>(num_coordinates));
UNREACHABLE();
// Fallback to interpreting as a 2D texture for now
@@ -1924,9 +1955,10 @@ private:
}
// TODO: make sure coordinates are always indexed to gpr8 and gpr20 is always bias
// or lod.
- const std::string op_c = regs.GetRegisterAsFloat(instr.gpr20);
+ std::string op_c;
- const std::string sampler = GetSampler(instr.sampler, texture_type, false);
+ const std::string sampler =
+ GetSampler(instr.sampler, texture_type, false, depth_compare);
// Add an extra scope and declare the texture coords inside to prevent
// overwriting them in case they are used as outputs of the texs instruction.
@@ -1935,7 +1967,7 @@ private:
shader.AddLine(coord);
std::string texture;
- switch (instr.tex.process_mode) {
+ switch (instr.tex.GetTextureProcessMode()) {
case Tegra::Shader::TextureProcessMode::None: {
texture = "texture(" + sampler + ", coords)";
break;
@@ -1946,12 +1978,22 @@ private:
}
case Tegra::Shader::TextureProcessMode::LB:
case Tegra::Shader::TextureProcessMode::LBA: {
+ if (num_coordinates <= 2) {
+ op_c = regs.GetRegisterAsFloat(instr.gpr20);
+ } else {
+ op_c = regs.GetRegisterAsFloat(instr.gpr20.Value() + 1);
+ }
// TODO: Figure if A suffix changes the equation at all.
texture = "texture(" + sampler + ", coords, " + op_c + ')';
break;
}
case Tegra::Shader::TextureProcessMode::LL:
case Tegra::Shader::TextureProcessMode::LLA: {
+ if (num_coordinates <= 2) {
+ op_c = regs.GetRegisterAsFloat(instr.gpr20);
+ } else {
+ op_c = regs.GetRegisterAsFloat(instr.gpr20.Value() + 1);
+ }
// TODO: Figure if A suffix changes the equation at all.
texture = "textureLod(" + sampler + ", coords, " + op_c + ')';
break;
@@ -1959,18 +2001,22 @@ private:
default: {
texture = "texture(" + sampler + ", coords)";
LOG_CRITICAL(HW_GPU, "Unhandled texture process mode {}",
- static_cast<u32>(instr.tex.process_mode.Value()));
+ static_cast<u32>(instr.tex.GetTextureProcessMode()));
UNREACHABLE();
}
}
- std::size_t dest_elem{};
- for (std::size_t elem = 0; elem < 4; ++elem) {
- if (!instr.tex.IsComponentEnabled(elem)) {
- // Skip disabled components
- continue;
+ if (!depth_compare) {
+ std::size_t dest_elem{};
+ for (std::size_t elem = 0; elem < 4; ++elem) {
+ if (!instr.tex.IsComponentEnabled(elem)) {
+ // Skip disabled components
+ continue;
+ }
+ regs.SetRegisterToFloat(instr.gpr0, elem, texture, 1, 4, false, dest_elem);
+ ++dest_elem;
}
- regs.SetRegisterToFloat(instr.gpr0, elem, texture, 1, 4, false, dest_elem);
- ++dest_elem;
+ } else {
+ regs.SetRegisterToFloat(instr.gpr0, 0, texture, 1, 1, false);
}
--shader.scope;
shader.AddLine("}");
@@ -1983,11 +2029,15 @@ private:
ASSERT_MSG(!instr.texs.UsesMiscMode(Tegra::Shader::TextureMiscMode::NODEP),
"NODEP is not implemented");
- ASSERT_MSG(!instr.texs.UsesMiscMode(Tegra::Shader::TextureMiscMode::DC),
- "DC is not implemented");
- switch (texture_type) {
- case Tegra::Shader::TextureType::Texture2D: {
+ const bool depth_compare =
+ instr.texs.UsesMiscMode(Tegra::Shader::TextureMiscMode::DC);
+ u32 num_coordinates = TextureCoordinates(texture_type);
+ if (depth_compare)
+ num_coordinates += 1;
+
+ switch (num_coordinates) {
+ case 2: {
if (is_array) {
const std::string index = regs.GetRegisterAsInteger(instr.gpr8);
const std::string x = regs.GetRegisterAsFloat(instr.gpr8.Value() + 1);
@@ -2000,17 +2050,25 @@ private:
}
break;
}
- case Tegra::Shader::TextureType::TextureCube: {
- ASSERT_MSG(!is_array, "Unimplemented");
- std::string x = regs.GetRegisterAsFloat(instr.gpr8);
- std::string y = regs.GetRegisterAsFloat(instr.gpr8.Value() + 1);
- std::string z = regs.GetRegisterAsFloat(instr.gpr20);
- coord = "vec3 coords = vec3(" + x + ", " + y + ", " + z + ");";
+ case 3: {
+ if (is_array) {
+ UNIMPLEMENTED_MSG("3-coordinate arrays not fully implemented");
+ const std::string x = regs.GetRegisterAsFloat(instr.gpr8);
+ const std::string y = regs.GetRegisterAsFloat(instr.gpr20);
+ coord = "vec2 coords = vec2(" + x + ", " + y + ");";
+ texture_type = Tegra::Shader::TextureType::Texture2D;
+ is_array = false;
+ } else {
+ const std::string x = regs.GetRegisterAsFloat(instr.gpr8);
+ const std::string y = regs.GetRegisterAsFloat(instr.gpr8.Value() + 1);
+ const std::string z = regs.GetRegisterAsFloat(instr.gpr20);
+ coord = "vec3 coords = vec3(" + x + ", " + y + ", " + z + ");";
+ }
break;
}
default:
- LOG_CRITICAL(HW_GPU, "Unhandled texture type {}",
- static_cast<u32>(texture_type));
+ LOG_CRITICAL(HW_GPU, "Unhandled coordinates number {}",
+ static_cast<u32>(num_coordinates));
UNREACHABLE();
// Fallback to interpreting as a 2D texture for now
@@ -2020,9 +2078,35 @@ private:
texture_type = Tegra::Shader::TextureType::Texture2D;
is_array = false;
}
- const std::string sampler = GetSampler(instr.sampler, texture_type, is_array);
- const std::string texture = "texture(" + sampler + ", coords)";
- WriteTexsInstruction(instr, coord, texture);
+ const std::string sampler =
+ GetSampler(instr.sampler, texture_type, is_array, depth_compare);
+ std::string texture;
+ switch (instr.texs.GetTextureProcessMode()) {
+ case Tegra::Shader::TextureProcessMode::None: {
+ texture = "texture(" + sampler + ", coords)";
+ break;
+ }
+ case Tegra::Shader::TextureProcessMode::LZ: {
+ texture = "textureLod(" + sampler + ", coords, 0.0)";
+ break;
+ }
+ case Tegra::Shader::TextureProcessMode::LL: {
+ const std::string op_c = regs.GetRegisterAsFloat(instr.gpr20.Value() + 1);
+ texture = "textureLod(" + sampler + ", coords, " + op_c + ')';
+ break;
+ }
+ default: {
+ texture = "texture(" + sampler + ", coords)";
+ LOG_CRITICAL(HW_GPU, "Unhandled texture process mode {}",
+ static_cast<u32>(instr.texs.GetTextureProcessMode()));
+ UNREACHABLE();
+ }
+ }
+ if (!depth_compare) {
+ WriteTexsInstruction(instr, coord, texture);
+ } else {
+ WriteTexsInstruction(instr, coord, "vec4(" + texture + ')');
+ }
break;
}
case OpCode::Id::TLDS: {
@@ -2062,9 +2146,26 @@ private:
static_cast<u32>(texture_type));
UNREACHABLE();
}
-
- const std::string sampler = GetSampler(instr.sampler, texture_type, is_array);
- const std::string texture = "texelFetch(" + sampler + ", coords, 0)";
+ const std::string sampler =
+ GetSampler(instr.sampler, texture_type, is_array, false);
+ std::string texture = "texelFetch(" + sampler + ", coords, 0)";
+ const std::string op_c = regs.GetRegisterAsInteger(instr.gpr20.Value() + 1);
+ switch (instr.tlds.GetTextureProcessMode()) {
+ case Tegra::Shader::TextureProcessMode::LZ: {
+ texture = "texelFetch(" + sampler + ", coords, 0)";
+ break;
+ }
+ case Tegra::Shader::TextureProcessMode::LL: {
+ texture = "texelFetch(" + sampler + ", coords, " + op_c + ')';
+ break;
+ }
+ default: {
+ texture = "texelFetch(" + sampler + ", coords, 0)";
+ LOG_CRITICAL(HW_GPU, "Unhandled texture process mode {}",
+ static_cast<u32>(instr.tlds.GetTextureProcessMode()));
+ UNREACHABLE();
+ }
+ }
WriteTexsInstruction(instr, coord, texture);
break;
}
@@ -2077,28 +2178,43 @@ private:
"NODEP is not implemented");
ASSERT_MSG(!instr.tld4.UsesMiscMode(Tegra::Shader::TextureMiscMode::AOFFI),
"AOFFI is not implemented");
- ASSERT_MSG(!instr.tld4.UsesMiscMode(Tegra::Shader::TextureMiscMode::DC),
- "DC is not implemented");
ASSERT_MSG(!instr.tld4.UsesMiscMode(Tegra::Shader::TextureMiscMode::NDV),
"NDV is not implemented");
ASSERT_MSG(!instr.tld4.UsesMiscMode(Tegra::Shader::TextureMiscMode::PTP),
"PTP is not implemented");
-
- switch (instr.tld4.texture_type) {
- case Tegra::Shader::TextureType::Texture2D: {
+ const bool depth_compare =
+ instr.tld4.UsesMiscMode(Tegra::Shader::TextureMiscMode::DC);
+ auto texture_type = instr.tld4.texture_type.Value();
+ u32 num_coordinates = TextureCoordinates(texture_type);
+ if (depth_compare)
+ num_coordinates += 1;
+
+ switch (num_coordinates) {
+ case 2: {
const std::string x = regs.GetRegisterAsFloat(instr.gpr8);
const std::string y = regs.GetRegisterAsFloat(instr.gpr8.Value() + 1);
coord = "vec2 coords = vec2(" + x + ", " + y + ");";
break;
}
+ case 3: {
+ const std::string x = regs.GetRegisterAsFloat(instr.gpr8);
+ const std::string y = regs.GetRegisterAsFloat(instr.gpr8.Value() + 1);
+ const std::string z = regs.GetRegisterAsFloat(instr.gpr8.Value() + 2);
+ coord = "vec3 coords = vec3(" + x + ", " + y + ", " + z + ");";
+ break;
+ }
default:
- LOG_CRITICAL(HW_GPU, "Unhandled texture type {}",
- static_cast<u32>(instr.tld4.texture_type.Value()));
+ LOG_CRITICAL(HW_GPU, "Unhandled coordinates number {}",
+ static_cast<u32>(num_coordinates));
UNREACHABLE();
+ const std::string x = regs.GetRegisterAsFloat(instr.gpr8);
+ const std::string y = regs.GetRegisterAsFloat(instr.gpr8.Value() + 1);
+ coord = "vec2 coords = vec2(" + x + ", " + y + ");";
+ texture_type = Tegra::Shader::TextureType::Texture2D;
}
const std::string sampler =
- GetSampler(instr.sampler, instr.tld4.texture_type, false);
+ GetSampler(instr.sampler, texture_type, false, depth_compare);
// Add an extra scope and declare the texture coords inside to prevent
// overwriting them in case they are used as outputs of the texs instruction.
shader.AddLine("{");
@@ -2106,15 +2222,18 @@ private:
shader.AddLine(coord);
const std::string texture = "textureGather(" + sampler + ", coords, " +
std::to_string(instr.tld4.component) + ')';
-
- std::size_t dest_elem{};
- for (std::size_t elem = 0; elem < 4; ++elem) {
- if (!instr.tex.IsComponentEnabled(elem)) {
- // Skip disabled components
- continue;
+ if (!depth_compare) {
+ std::size_t dest_elem{};
+ for (std::size_t elem = 0; elem < 4; ++elem) {
+ if (!instr.tex.IsComponentEnabled(elem)) {
+ // Skip disabled components
+ continue;
+ }
+ regs.SetRegisterToFloat(instr.gpr0, elem, texture, 1, 4, false, dest_elem);
+ ++dest_elem;
}
- regs.SetRegisterToFloat(instr.gpr0, elem, texture, 1, 4, false, dest_elem);
- ++dest_elem;
+ } else {
+ regs.SetRegisterToFloat(instr.gpr0, 0, texture, 1, 1, false);
}
--shader.scope;
shader.AddLine("}");
@@ -2125,18 +2244,30 @@ private:
"NODEP is not implemented");
ASSERT_MSG(!instr.tld4s.UsesMiscMode(Tegra::Shader::TextureMiscMode::AOFFI),
"AOFFI is not implemented");
- ASSERT_MSG(!instr.tld4s.UsesMiscMode(Tegra::Shader::TextureMiscMode::DC),
- "DC is not implemented");
+ const bool depth_compare =
+ instr.tld4s.UsesMiscMode(Tegra::Shader::TextureMiscMode::DC);
const std::string op_a = regs.GetRegisterAsFloat(instr.gpr8);
const std::string op_b = regs.GetRegisterAsFloat(instr.gpr20);
// TODO(Subv): Figure out how the sampler type is encoded in the TLD4S instruction.
- const std::string sampler =
- GetSampler(instr.sampler, Tegra::Shader::TextureType::Texture2D, false);
- const std::string coord = "vec2 coords = vec2(" + op_a + ", " + op_b + ");";
+ const std::string sampler = GetSampler(
+ instr.sampler, Tegra::Shader::TextureType::Texture2D, false, depth_compare);
+ std::string coord;
+ if (!depth_compare) {
+ coord = "vec2 coords = vec2(" + op_a + ", " + op_b + ");";
+ } else {
+ // Note: TLD4S coordinate encoding works just like TEXS's
+ const std::string op_c = regs.GetRegisterAsFloat(instr.gpr8.Value() + 1);
+ coord = "vec3 coords = vec3(" + op_a + ", " + op_c + ", " + op_b + ");";
+ }
const std::string texture = "textureGather(" + sampler + ", coords, " +
std::to_string(instr.tld4s.component) + ')';
- WriteTexsInstruction(instr, coord, texture);
+
+ if (!depth_compare) {
+ WriteTexsInstruction(instr, coord, texture);
+ } else {
+ WriteTexsInstruction(instr, coord, "vec4(" + texture + ')');
+ }
break;
}
case OpCode::Id::TXQ: {
@@ -2147,7 +2278,7 @@ private:
// Sadly, not all texture instructions specify the type of texture their sampler
// uses. This must be fixed at a later instance.
const std::string sampler =
- GetSampler(instr.sampler, Tegra::Shader::TextureType::Texture2D, false);
+ GetSampler(instr.sampler, Tegra::Shader::TextureType::Texture2D, false, false);
switch (instr.txq.query_type) {
case Tegra::Shader::TextureQueryType::Dimension: {
const std::string texture = "textureQueryLevels(" + sampler + ')';
@@ -2172,7 +2303,8 @@ private:
const std::string op_b = regs.GetRegisterAsFloat(instr.gpr8.Value() + 1);
const bool is_array = instr.tmml.array != 0;
auto texture_type = instr.tmml.texture_type.Value();
- const std::string sampler = GetSampler(instr.sampler, texture_type, is_array);
+ const std::string sampler =
+ GetSampler(instr.sampler, texture_type, is_array, false);
// TODO: add coordinates for different samplers once other texture types are
// implemented.
diff --git a/src/video_core/renderer_opengl/gl_shader_gen.h b/src/video_core/renderer_opengl/gl_shader_gen.h
index d53b93ad5..e56f39e78 100644
--- a/src/video_core/renderer_opengl/gl_shader_gen.h
+++ b/src/video_core/renderer_opengl/gl_shader_gen.h
@@ -75,8 +75,9 @@ class SamplerEntry {
public:
SamplerEntry(Maxwell::ShaderStage stage, std::size_t offset, std::size_t index,
- Tegra::Shader::TextureType type, bool is_array)
- : offset(offset), stage(stage), sampler_index(index), type(type), is_array(is_array) {}
+ Tegra::Shader::TextureType type, bool is_array, bool is_shadow)
+ : offset(offset), stage(stage), sampler_index(index), type(type), is_array(is_array),
+ is_shadow(is_shadow) {}
std::size_t GetOffset() const {
return offset;
@@ -117,6 +118,8 @@ public:
}
if (is_array)
glsl_type += "Array";
+ if (is_shadow)
+ glsl_type += "Shadow";
return glsl_type;
}
@@ -128,6 +131,10 @@ public:
return is_array;
}
+ bool IsShadow() const {
+ return is_shadow;
+ }
+
u32 GetHash() const {
return (static_cast<u32>(stage) << 16) | static_cast<u32>(sampler_index);
}
@@ -147,7 +154,8 @@ private:
Maxwell::ShaderStage stage; ///< Shader stage where this sampler was used.
std::size_t sampler_index; ///< Value used to index into the generated GLSL sampler array.
Tegra::Shader::TextureType type; ///< The type used to sample this texture (Texture2D, etc)
- bool is_array; ///< Whether the texture is being sampled as an array texture or not.
+ bool is_array; ///< Whether the texture is being sampled as an array texture or not.
+ bool is_shadow; ///< Whether the texture is being sampled as a depth texture or not.
};
struct ShaderEntries {
diff --git a/src/video_core/renderer_opengl/maxwell_to_gl.h b/src/video_core/renderer_opengl/maxwell_to_gl.h
index 67273e164..3c3bcaae4 100644
--- a/src/video_core/renderer_opengl/maxwell_to_gl.h
+++ b/src/video_core/renderer_opengl/maxwell_to_gl.h
@@ -159,6 +159,31 @@ inline GLenum WrapMode(Tegra::Texture::WrapMode wrap_mode) {
return {};
}
+inline GLenum DepthCompareFunc(Tegra::Texture::DepthCompareFunc func) {
+ switch (func) {
+ case Tegra::Texture::DepthCompareFunc::Never:
+ return GL_NEVER;
+ case Tegra::Texture::DepthCompareFunc::Less:
+ return GL_LESS;
+ case Tegra::Texture::DepthCompareFunc::LessEqual:
+ return GL_LEQUAL;
+ case Tegra::Texture::DepthCompareFunc::Equal:
+ return GL_EQUAL;
+ case Tegra::Texture::DepthCompareFunc::NotEqual:
+ return GL_NOTEQUAL;
+ case Tegra::Texture::DepthCompareFunc::Greater:
+ return GL_GREATER;
+ case Tegra::Texture::DepthCompareFunc::GreaterEqual:
+ return GL_GEQUAL;
+ case Tegra::Texture::DepthCompareFunc::Always:
+ return GL_ALWAYS;
+ }
+ LOG_CRITICAL(Render_OpenGL, "Unimplemented texture depth compare function ={}",
+ static_cast<u32>(func));
+ UNREACHABLE();
+ return {};
+}
+
inline GLenum BlendEquation(Maxwell::Blend::Equation equation) {
switch (equation) {
case Maxwell::Blend::Equation::Add:
diff --git a/src/video_core/textures/texture.h b/src/video_core/textures/texture.h
index 14aea4838..8f31d825a 100644
--- a/src/video_core/textures/texture.h
+++ b/src/video_core/textures/texture.h
@@ -227,6 +227,17 @@ enum class WrapMode : u32 {
MirrorOnceClampOGL = 7,
};
+enum class DepthCompareFunc : u32 {
+ Never = 0,
+ Less = 1,
+ Equal = 2,
+ LessEqual = 3,
+ Greater = 4,
+ NotEqual = 5,
+ GreaterEqual = 6,
+ Always = 7,
+};
+
enum class TextureFilter : u32 {
Nearest = 1,
Linear = 2,
@@ -244,7 +255,7 @@ struct TSCEntry {
BitField<3, 3, WrapMode> wrap_v;
BitField<6, 3, WrapMode> wrap_p;
BitField<9, 1, u32> depth_compare_enabled;
- BitField<10, 3, u32> depth_compare_func;
+ BitField<10, 3, DepthCompareFunc> depth_compare_func;
};
union {
BitField<0, 2, TextureFilter> mag_filter;
generated by cgit v1.2.3 (git 2.25.1) at 2025-12-30 20:34:51 +0000