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GPU: Implemented the Z24S8 depth format and load the depth framebuffer.

This commit is contained in:
Subv 2018-07-02 12:42:04 -05:00
parent 066d6184d4
commit 0f929762b3
7 changed files with 124 additions and 24 deletions
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2
src/video_core/engines/maxwell_3d.h
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@ -413,7 +413,7 @@ public:
struct {
u32 address_high;
u32 address_low;
u32 format;
Tegra::DepthFormat format;
u32 block_dimensions;
u32 layer_stride;

9
src/video_core/gpu.h
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@ -24,6 +24,15 @@ enum class RenderTargetFormat : u32 {
R11G11B10_FLOAT = 0xE0,
};
enum class DepthFormat : u32 {
Z32_FLOAT = 0xA,
Z16_UNORM = 0x13,
S8_Z24_UNORM = 0x14,
Z24_X8_UNORM = 0x15,
Z24_S8_UNORM = 0x16,
Z24_C8_UNORM = 0x18,
};
/// Returns the number of bytes per pixel of each rendertarget format.
u32 RenderTargetBytesPerPixel(RenderTargetFormat format);

4
src/video_core/renderer_opengl/gl_rasterizer.cpp
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@ -307,7 +307,9 @@ void RasterizerOpenGL::DrawArrays() {
// TODO(bunnei): Implement these
const bool has_stencil = false;
const bool using_color_fb = true;
const bool using_depth_fb = false;
const bool using_depth_fb = regs.zeta.Address() != 0;
const MathUtil::Rectangle<s32> viewport_rect{regs.viewport_transform[0].GetRect()};
const bool write_color_fb =

49
src/video_core/renderer_opengl/gl_rasterizer_cache.cpp
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@ -84,22 +84,18 @@ static constexpr std::array<FormatTuple, SurfaceParams::MaxPixelFormat> tex_form
true}, // DXT45
{GL_COMPRESSED_RED_RGTC1, GL_RED, GL_UNSIGNED_INT_8_8_8_8, ComponentType::UNorm, true}, // DXN1
{GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE, ComponentType::UNorm, false}, // ASTC_2D_4X4
// DepthStencil formats
{GL_DEPTH24_STENCIL8, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8, ComponentType::UNorm,
false}, // Z24S8
}};
static const FormatTuple& GetFormatTuple(PixelFormat pixel_format, ComponentType component_type) {
const SurfaceType type = SurfaceParams::GetFormatType(pixel_format);
if (type == SurfaceType::ColorTexture) {
ASSERT(static_cast<size_t>(pixel_format) < tex_format_tuples.size());
auto& format = tex_format_tuples[static_cast<unsigned int>(pixel_format)];
ASSERT(component_type == format.component_type);
return format;
} else if (type == SurfaceType::Depth || type == SurfaceType::DepthStencil) {
// TODO(Subv): Implement depth formats
ASSERT_MSG(false, "Unimplemented");
}
ASSERT(static_cast<size_t>(pixel_format) < tex_format_tuples.size());
auto& format = tex_format_tuples[static_cast<unsigned int>(pixel_format)];
ASSERT(component_type == format.component_type);
UNREACHABLE();
return {};
return format;
}
VAddr SurfaceParams::GetCpuAddr() const {
@ -149,11 +145,17 @@ void MortonCopy(u32 stride, u32 block_height, u32 height, u8* gl_buffer, Tegra::
const auto& gpu = Core::System::GetInstance().GPU();
if (morton_to_gl) {
auto data = Tegra::Texture::UnswizzleTexture(
*gpu.memory_manager->GpuToCpuAddress(addr),
SurfaceParams::TextureFormatFromPixelFormat(format), stride, height, block_height);
std::memcpy(gl_buffer, data.data(), data.size());
if (SurfaceParams::GetFormatType(format) == SurfaceType::ColorTexture) {
auto data = Tegra::Texture::UnswizzleTexture(
*gpu.memory_manager->GpuToCpuAddress(addr),
SurfaceParams::TextureFormatFromPixelFormat(format), stride, height, block_height);
std::memcpy(gl_buffer, data.data(), data.size());
} else {
auto data = Tegra::Texture::UnswizzleDepthTexture(
*gpu.memory_manager->GpuToCpuAddress(addr),
SurfaceParams::DepthFormatFromPixelFormat(format), stride, height, block_height);
std::memcpy(gl_buffer, data.data(), data.size());
}
} else {
// TODO(bunnei): Assumes the default rendering GOB size of 16 (128 lines). We should
// check the configuration for this and perform more generic un/swizzle
@ -174,7 +176,7 @@ static constexpr std::array<void (*)(u32, u32, u32, u8*, Tegra::GPUVAddr),
MortonCopy<true, PixelFormat::R11FG11FB10F>, MortonCopy<true, PixelFormat::RGBA32UI>,
MortonCopy<true, PixelFormat::DXT1>, MortonCopy<true, PixelFormat::DXT23>,
MortonCopy<true, PixelFormat::DXT45>, MortonCopy<true, PixelFormat::DXN1>,
MortonCopy<true, PixelFormat::ASTC_2D_4X4>,
MortonCopy<true, PixelFormat::ASTC_2D_4X4>, MortonCopy<true, PixelFormat::Z24S8>,
};
static constexpr std::array<void (*)(u32, u32, u32, u8*, Tegra::GPUVAddr),
@ -194,6 +196,7 @@ static constexpr std::array<void (*)(u32, u32, u32, u8*, Tegra::GPUVAddr),
nullptr,
nullptr,
MortonCopy<false, PixelFormat::ABGR8>,
MortonCopy<false, PixelFormat::Z24S8>,
};
// Allocate an uninitialized texture of appropriate size and format for the surface
@ -397,9 +400,15 @@ SurfaceSurfaceRect_Tuple RasterizerCacheOpenGL::GetFramebufferSurfaces(
// get color and depth surfaces
const SurfaceParams color_params{SurfaceParams::CreateForFramebuffer(regs.rt[0])};
const SurfaceParams depth_params{color_params};
SurfaceParams depth_params{color_params};
ASSERT_MSG(!using_depth_fb, "depth buffer is unimplemented");
if (using_depth_fb) {
depth_params.addr = regs.zeta.Address();
depth_params.pixel_format = SurfaceParams::PixelFormatFromDepthFormat(regs.zeta.format);
depth_params.component_type = SurfaceParams::ComponentTypeFromDepthFormat(regs.zeta.format);
depth_params.type = SurfaceParams::GetFormatType(depth_params.pixel_format);
depth_params.size_in_bytes = depth_params.SizeInBytes();
}
MathUtil::Rectangle<u32> color_rect{};
Surface color_surface;

47
src/video_core/renderer_opengl/gl_rasterizer_cache.h
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@ -37,7 +37,14 @@ struct SurfaceParams {
DXN1 = 11, // This is also known as BC4
ASTC_2D_4X4 = 12,
Max,
MaxColorFormat,
// DepthStencil formats
Z24S8 = 13,
MaxDepthStencilFormat,
Max = MaxDepthStencilFormat,
Invalid = 255,
};
@ -84,6 +91,7 @@ struct SurfaceParams {
4, // DXT45
4, // DXN1
4, // ASTC_2D_4X4
1, // Z24S8
}};
ASSERT(static_cast<size_t>(format) < compression_factor_table.size());
@ -108,6 +116,7 @@ struct SurfaceParams {
128, // DXT45
64, // DXN1
32, // ASTC_2D_4X4
32, // Z24S8
}};
ASSERT(static_cast<size_t>(format) < bpp_table.size());
@ -117,6 +126,16 @@ struct SurfaceParams {
return GetFormatBpp(pixel_format);
}
static PixelFormat PixelFormatFromDepthFormat(Tegra::DepthFormat format) {
switch (format) {
case Tegra::DepthFormat::Z24_S8_UNORM:
return PixelFormat::Z24S8;
default:
NGLOG_CRITICAL(HW_GPU, "Unimplemented format={}", static_cast<u32>(format));
UNREACHABLE();
}
}
static PixelFormat PixelFormatFromRenderTargetFormat(Tegra::RenderTargetFormat format) {
switch (format) {
case Tegra::RenderTargetFormat::RGBA8_UNORM:
@ -205,6 +224,15 @@ struct SurfaceParams {
}
}
static Tegra::DepthFormat DepthFormatFromPixelFormat(PixelFormat format) {
switch (format) {
case PixelFormat::Z24S8:
return Tegra::DepthFormat::Z24_S8_UNORM;
default:
UNREACHABLE();
}
}
static ComponentType ComponentTypeFromTexture(Tegra::Texture::ComponentType type) {
// TODO(Subv): Implement more component types
switch (type) {
@ -244,11 +272,26 @@ struct SurfaceParams {
}
}
static ComponentType ComponentTypeFromDepthFormat(Tegra::DepthFormat format) {
switch (format) {
case Tegra::DepthFormat::Z24_S8_UNORM:
return ComponentType::UNorm;
default:
NGLOG_CRITICAL(HW_GPU, "Unimplemented format={}", static_cast<u32>(format));
UNREACHABLE();
}
}
static SurfaceType GetFormatType(PixelFormat pixel_format) {
if (static_cast<size_t>(pixel_format) < MaxPixelFormat) {
if (static_cast<size_t>(pixel_format) < static_cast<size_t>(PixelFormat::MaxColorFormat)) {
return SurfaceType::ColorTexture;
}
if (static_cast<size_t>(pixel_format) <
static_cast<size_t>(PixelFormat::MaxDepthStencilFormat)) {
return SurfaceType::DepthStencil;
}
// TODO(Subv): Implement the other formats
ASSERT(false);

31
src/video_core/textures/decoders.cpp
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@ -5,6 +5,7 @@
#include <cstring>
#include "common/assert.h"
#include "core/memory.h"
#include "video_core/gpu.h"
#include "video_core/textures/decoders.h"
#include "video_core/textures/texture.h"
@ -73,6 +74,16 @@ u32 BytesPerPixel(TextureFormat format) {
}
}
static u32 DepthBytesPerPixel(DepthFormat format) {
switch (format) {
case DepthFormat::Z24_S8_UNORM:
return 4;
default:
UNIMPLEMENTED_MSG("Format not implemented");
break;
}
}
std::vector<u8> UnswizzleTexture(VAddr address, TextureFormat format, u32 width, u32 height,
u32 block_height) {
u8* data = Memory::GetPointer(address);
@ -110,6 +121,26 @@ std::vector<u8> UnswizzleTexture(VAddr address, TextureFormat format, u32 width,
return unswizzled_data;
}
std::vector<u8> UnswizzleDepthTexture(VAddr address, DepthFormat format, u32 width, u32 height,
u32 block_height) {
u8* data = Memory::GetPointer(address);
u32 bytes_per_pixel = DepthBytesPerPixel(format);
std::vector<u8> unswizzled_data(width * height * bytes_per_pixel);
switch (format) {
case DepthFormat::Z24_S8_UNORM:
CopySwizzledData(width, height, bytes_per_pixel, bytes_per_pixel, data,
unswizzled_data.data(), true, block_height);
break;
default:
UNIMPLEMENTED_MSG("Format not implemented");
break;
}
return unswizzled_data;
}
std::vector<u8> DecodeTexture(const std::vector<u8>& texture_data, TextureFormat format, u32 width,
u32 height) {
std::vector<u8> rgba_data;

6
src/video_core/textures/decoders.h
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@ -17,6 +17,12 @@ namespace Texture {
std::vector<u8> UnswizzleTexture(VAddr address, TextureFormat format, u32 width, u32 height,
u32 block_height = TICEntry::DefaultBlockHeight);
/**
* Unswizzles a swizzled depth texture without changing its format.
*/
std::vector<u8> UnswizzleDepthTexture(VAddr address, DepthFormat format, u32 width, u32 height,
u32 block_height = TICEntry::DefaultBlockHeight);
/// Copies texture data from a buffer and performs swizzling/unswizzling as necessary.
void CopySwizzledData(u32 width, u32 height, u32 bytes_per_pixel, u32 out_bytes_per_pixel,
u8* swizzled_data, u8* unswizzled_data, bool unswizzle, u32 block_height);