forked from ShuriZma/suyu
SWRasterizer: Move framebuffer operation functions to their own file
This commit is contained in:
parent
e24717bca0
commit
e1ad7d69b9
|
@ -14,6 +14,7 @@ set(SRCS
|
||||||
shader/shader.cpp
|
shader/shader.cpp
|
||||||
shader/shader_interpreter.cpp
|
shader/shader_interpreter.cpp
|
||||||
swrasterizer/clipper.cpp
|
swrasterizer/clipper.cpp
|
||||||
|
swrasterizer/framebuffer.cpp
|
||||||
swrasterizer/rasterizer.cpp
|
swrasterizer/rasterizer.cpp
|
||||||
swrasterizer/swrasterizer.cpp
|
swrasterizer/swrasterizer.cpp
|
||||||
texture/etc1.cpp
|
texture/etc1.cpp
|
||||||
|
@ -51,6 +52,7 @@ set(HEADERS
|
||||||
shader/shader.h
|
shader/shader.h
|
||||||
shader/shader_interpreter.h
|
shader/shader_interpreter.h
|
||||||
swrasterizer/clipper.h
|
swrasterizer/clipper.h
|
||||||
|
swrasterizer/framebuffer.h
|
||||||
swrasterizer/rasterizer.h
|
swrasterizer/rasterizer.h
|
||||||
swrasterizer/swrasterizer.h
|
swrasterizer/swrasterizer.h
|
||||||
texture/etc1.h
|
texture/etc1.h
|
||||||
|
|
|
@ -0,0 +1,259 @@
|
||||||
|
// Copyright 2017 Citra Emulator Project
|
||||||
|
// Licensed under GPLv2 or any later version
|
||||||
|
// Refer to the license.txt file included.
|
||||||
|
|
||||||
|
#include <algorithm>
|
||||||
|
|
||||||
|
#include "common/assert.h"
|
||||||
|
#include "common/color.h"
|
||||||
|
#include "common/common_types.h"
|
||||||
|
#include "common/logging/log.h"
|
||||||
|
#include "common/vector_math.h"
|
||||||
|
#include "core/hw/gpu.h"
|
||||||
|
#include "core/memory.h"
|
||||||
|
#include "video_core/pica_state.h"
|
||||||
|
#include "video_core/regs_framebuffer.h"
|
||||||
|
#include "video_core/swrasterizer/framebuffer.h"
|
||||||
|
#include "video_core/utils.h"
|
||||||
|
|
||||||
|
namespace Pica {
|
||||||
|
namespace Rasterizer {
|
||||||
|
|
||||||
|
void DrawPixel(int x, int y, const Math::Vec4<u8>& color) {
|
||||||
|
const auto& framebuffer = g_state.regs.framebuffer.framebuffer;
|
||||||
|
const PAddr addr = framebuffer.GetColorBufferPhysicalAddress();
|
||||||
|
|
||||||
|
// Similarly to textures, the render framebuffer is laid out from bottom to top, too.
|
||||||
|
// NOTE: The framebuffer height register contains the actual FB height minus one.
|
||||||
|
y = framebuffer.height - y;
|
||||||
|
|
||||||
|
const u32 coarse_y = y & ~7;
|
||||||
|
u32 bytes_per_pixel =
|
||||||
|
GPU::Regs::BytesPerPixel(GPU::Regs::PixelFormat(framebuffer.color_format.Value()));
|
||||||
|
u32 dst_offset = VideoCore::GetMortonOffset(x, y, bytes_per_pixel) +
|
||||||
|
coarse_y * framebuffer.width * bytes_per_pixel;
|
||||||
|
u8* dst_pixel = Memory::GetPhysicalPointer(addr) + dst_offset;
|
||||||
|
|
||||||
|
switch (framebuffer.color_format) {
|
||||||
|
case FramebufferRegs::ColorFormat::RGBA8:
|
||||||
|
Color::EncodeRGBA8(color, dst_pixel);
|
||||||
|
break;
|
||||||
|
|
||||||
|
case FramebufferRegs::ColorFormat::RGB8:
|
||||||
|
Color::EncodeRGB8(color, dst_pixel);
|
||||||
|
break;
|
||||||
|
|
||||||
|
case FramebufferRegs::ColorFormat::RGB5A1:
|
||||||
|
Color::EncodeRGB5A1(color, dst_pixel);
|
||||||
|
break;
|
||||||
|
|
||||||
|
case FramebufferRegs::ColorFormat::RGB565:
|
||||||
|
Color::EncodeRGB565(color, dst_pixel);
|
||||||
|
break;
|
||||||
|
|
||||||
|
case FramebufferRegs::ColorFormat::RGBA4:
|
||||||
|
Color::EncodeRGBA4(color, dst_pixel);
|
||||||
|
break;
|
||||||
|
|
||||||
|
default:
|
||||||
|
LOG_CRITICAL(Render_Software, "Unknown framebuffer color format %x",
|
||||||
|
framebuffer.color_format.Value());
|
||||||
|
UNIMPLEMENTED();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
const Math::Vec4<u8> GetPixel(int x, int y) {
|
||||||
|
const auto& framebuffer = g_state.regs.framebuffer.framebuffer;
|
||||||
|
const PAddr addr = framebuffer.GetColorBufferPhysicalAddress();
|
||||||
|
|
||||||
|
y = framebuffer.height - y;
|
||||||
|
|
||||||
|
const u32 coarse_y = y & ~7;
|
||||||
|
u32 bytes_per_pixel =
|
||||||
|
GPU::Regs::BytesPerPixel(GPU::Regs::PixelFormat(framebuffer.color_format.Value()));
|
||||||
|
u32 src_offset = VideoCore::GetMortonOffset(x, y, bytes_per_pixel) +
|
||||||
|
coarse_y * framebuffer.width * bytes_per_pixel;
|
||||||
|
u8* src_pixel = Memory::GetPhysicalPointer(addr) + src_offset;
|
||||||
|
|
||||||
|
switch (framebuffer.color_format) {
|
||||||
|
case FramebufferRegs::ColorFormat::RGBA8:
|
||||||
|
return Color::DecodeRGBA8(src_pixel);
|
||||||
|
|
||||||
|
case FramebufferRegs::ColorFormat::RGB8:
|
||||||
|
return Color::DecodeRGB8(src_pixel);
|
||||||
|
|
||||||
|
case FramebufferRegs::ColorFormat::RGB5A1:
|
||||||
|
return Color::DecodeRGB5A1(src_pixel);
|
||||||
|
|
||||||
|
case FramebufferRegs::ColorFormat::RGB565:
|
||||||
|
return Color::DecodeRGB565(src_pixel);
|
||||||
|
|
||||||
|
case FramebufferRegs::ColorFormat::RGBA4:
|
||||||
|
return Color::DecodeRGBA4(src_pixel);
|
||||||
|
|
||||||
|
default:
|
||||||
|
LOG_CRITICAL(Render_Software, "Unknown framebuffer color format %x",
|
||||||
|
framebuffer.color_format.Value());
|
||||||
|
UNIMPLEMENTED();
|
||||||
|
}
|
||||||
|
|
||||||
|
return {0, 0, 0, 0};
|
||||||
|
}
|
||||||
|
|
||||||
|
u32 GetDepth(int x, int y) {
|
||||||
|
const auto& framebuffer = g_state.regs.framebuffer.framebuffer;
|
||||||
|
const PAddr addr = framebuffer.GetDepthBufferPhysicalAddress();
|
||||||
|
u8* depth_buffer = Memory::GetPhysicalPointer(addr);
|
||||||
|
|
||||||
|
y = framebuffer.height - y;
|
||||||
|
|
||||||
|
const u32 coarse_y = y & ~7;
|
||||||
|
u32 bytes_per_pixel = FramebufferRegs::BytesPerDepthPixel(framebuffer.depth_format);
|
||||||
|
u32 stride = framebuffer.width * bytes_per_pixel;
|
||||||
|
|
||||||
|
u32 src_offset = VideoCore::GetMortonOffset(x, y, bytes_per_pixel) + coarse_y * stride;
|
||||||
|
u8* src_pixel = depth_buffer + src_offset;
|
||||||
|
|
||||||
|
switch (framebuffer.depth_format) {
|
||||||
|
case FramebufferRegs::DepthFormat::D16:
|
||||||
|
return Color::DecodeD16(src_pixel);
|
||||||
|
case FramebufferRegs::DepthFormat::D24:
|
||||||
|
return Color::DecodeD24(src_pixel);
|
||||||
|
case FramebufferRegs::DepthFormat::D24S8:
|
||||||
|
return Color::DecodeD24S8(src_pixel).x;
|
||||||
|
default:
|
||||||
|
LOG_CRITICAL(HW_GPU, "Unimplemented depth format %u", framebuffer.depth_format);
|
||||||
|
UNIMPLEMENTED();
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
u8 GetStencil(int x, int y) {
|
||||||
|
const auto& framebuffer = g_state.regs.framebuffer.framebuffer;
|
||||||
|
const PAddr addr = framebuffer.GetDepthBufferPhysicalAddress();
|
||||||
|
u8* depth_buffer = Memory::GetPhysicalPointer(addr);
|
||||||
|
|
||||||
|
y = framebuffer.height - y;
|
||||||
|
|
||||||
|
const u32 coarse_y = y & ~7;
|
||||||
|
u32 bytes_per_pixel = Pica::FramebufferRegs::BytesPerDepthPixel(framebuffer.depth_format);
|
||||||
|
u32 stride = framebuffer.width * bytes_per_pixel;
|
||||||
|
|
||||||
|
u32 src_offset = VideoCore::GetMortonOffset(x, y, bytes_per_pixel) + coarse_y * stride;
|
||||||
|
u8* src_pixel = depth_buffer + src_offset;
|
||||||
|
|
||||||
|
switch (framebuffer.depth_format) {
|
||||||
|
case FramebufferRegs::DepthFormat::D24S8:
|
||||||
|
return Color::DecodeD24S8(src_pixel).y;
|
||||||
|
|
||||||
|
default:
|
||||||
|
LOG_WARNING(
|
||||||
|
HW_GPU,
|
||||||
|
"GetStencil called for function which doesn't have a stencil component (format %u)",
|
||||||
|
framebuffer.depth_format);
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
void SetDepth(int x, int y, u32 value) {
|
||||||
|
const auto& framebuffer = g_state.regs.framebuffer.framebuffer;
|
||||||
|
const PAddr addr = framebuffer.GetDepthBufferPhysicalAddress();
|
||||||
|
u8* depth_buffer = Memory::GetPhysicalPointer(addr);
|
||||||
|
|
||||||
|
y = framebuffer.height - y;
|
||||||
|
|
||||||
|
const u32 coarse_y = y & ~7;
|
||||||
|
u32 bytes_per_pixel = FramebufferRegs::BytesPerDepthPixel(framebuffer.depth_format);
|
||||||
|
u32 stride = framebuffer.width * bytes_per_pixel;
|
||||||
|
|
||||||
|
u32 dst_offset = VideoCore::GetMortonOffset(x, y, bytes_per_pixel) + coarse_y * stride;
|
||||||
|
u8* dst_pixel = depth_buffer + dst_offset;
|
||||||
|
|
||||||
|
switch (framebuffer.depth_format) {
|
||||||
|
case FramebufferRegs::DepthFormat::D16:
|
||||||
|
Color::EncodeD16(value, dst_pixel);
|
||||||
|
break;
|
||||||
|
|
||||||
|
case FramebufferRegs::DepthFormat::D24:
|
||||||
|
Color::EncodeD24(value, dst_pixel);
|
||||||
|
break;
|
||||||
|
|
||||||
|
case FramebufferRegs::DepthFormat::D24S8:
|
||||||
|
Color::EncodeD24X8(value, dst_pixel);
|
||||||
|
break;
|
||||||
|
|
||||||
|
default:
|
||||||
|
LOG_CRITICAL(HW_GPU, "Unimplemented depth format %u", framebuffer.depth_format);
|
||||||
|
UNIMPLEMENTED();
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
void SetStencil(int x, int y, u8 value) {
|
||||||
|
const auto& framebuffer = g_state.regs.framebuffer.framebuffer;
|
||||||
|
const PAddr addr = framebuffer.GetDepthBufferPhysicalAddress();
|
||||||
|
u8* depth_buffer = Memory::GetPhysicalPointer(addr);
|
||||||
|
|
||||||
|
y = framebuffer.height - y;
|
||||||
|
|
||||||
|
const u32 coarse_y = y & ~7;
|
||||||
|
u32 bytes_per_pixel = Pica::FramebufferRegs::BytesPerDepthPixel(framebuffer.depth_format);
|
||||||
|
u32 stride = framebuffer.width * bytes_per_pixel;
|
||||||
|
|
||||||
|
u32 dst_offset = VideoCore::GetMortonOffset(x, y, bytes_per_pixel) + coarse_y * stride;
|
||||||
|
u8* dst_pixel = depth_buffer + dst_offset;
|
||||||
|
|
||||||
|
switch (framebuffer.depth_format) {
|
||||||
|
case Pica::FramebufferRegs::DepthFormat::D16:
|
||||||
|
case Pica::FramebufferRegs::DepthFormat::D24:
|
||||||
|
// Nothing to do
|
||||||
|
break;
|
||||||
|
|
||||||
|
case Pica::FramebufferRegs::DepthFormat::D24S8:
|
||||||
|
Color::EncodeX24S8(value, dst_pixel);
|
||||||
|
break;
|
||||||
|
|
||||||
|
default:
|
||||||
|
LOG_CRITICAL(HW_GPU, "Unimplemented depth format %u", framebuffer.depth_format);
|
||||||
|
UNIMPLEMENTED();
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
u8 PerformStencilAction(FramebufferRegs::StencilAction action, u8 old_stencil, u8 ref) {
|
||||||
|
switch (action) {
|
||||||
|
case FramebufferRegs::StencilAction::Keep:
|
||||||
|
return old_stencil;
|
||||||
|
|
||||||
|
case FramebufferRegs::StencilAction::Zero:
|
||||||
|
return 0;
|
||||||
|
|
||||||
|
case FramebufferRegs::StencilAction::Replace:
|
||||||
|
return ref;
|
||||||
|
|
||||||
|
case FramebufferRegs::StencilAction::Increment:
|
||||||
|
// Saturated increment
|
||||||
|
return std::min<u8>(old_stencil, 254) + 1;
|
||||||
|
|
||||||
|
case FramebufferRegs::StencilAction::Decrement:
|
||||||
|
// Saturated decrement
|
||||||
|
return std::max<u8>(old_stencil, 1) - 1;
|
||||||
|
|
||||||
|
case FramebufferRegs::StencilAction::Invert:
|
||||||
|
return ~old_stencil;
|
||||||
|
|
||||||
|
case FramebufferRegs::StencilAction::IncrementWrap:
|
||||||
|
return old_stencil + 1;
|
||||||
|
|
||||||
|
case FramebufferRegs::StencilAction::DecrementWrap:
|
||||||
|
return old_stencil - 1;
|
||||||
|
|
||||||
|
default:
|
||||||
|
LOG_CRITICAL(HW_GPU, "Unknown stencil action %x", (int)action);
|
||||||
|
UNIMPLEMENTED();
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
} // namespace Rasterizer
|
||||||
|
} // namespace Pica
|
|
@ -0,0 +1,23 @@
|
||||||
|
// Copyright 2017 Citra Emulator Project
|
||||||
|
// Licensed under GPLv2 or any later version
|
||||||
|
// Refer to the license.txt file included.
|
||||||
|
|
||||||
|
#pragma once
|
||||||
|
|
||||||
|
#include "common/common_types.h"
|
||||||
|
#include "common/vector_math.h"
|
||||||
|
#include "video_core/regs_framebuffer.h"
|
||||||
|
|
||||||
|
namespace Pica {
|
||||||
|
namespace Rasterizer {
|
||||||
|
|
||||||
|
void DrawPixel(int x, int y, const Math::Vec4<u8>& color);
|
||||||
|
const Math::Vec4<u8> GetPixel(int x, int y);
|
||||||
|
u32 GetDepth(int x, int y);
|
||||||
|
u8 GetStencil(int x, int y);
|
||||||
|
void SetDepth(int x, int y, u32 value);
|
||||||
|
void SetStencil(int x, int y, u8 value);
|
||||||
|
u8 PerformStencilAction(FramebufferRegs::StencilAction action, u8 old_stencil, u8 ref);
|
||||||
|
|
||||||
|
} // namespace Rasterizer
|
||||||
|
} // namespace Pica
|
|
@ -22,6 +22,7 @@
|
||||||
#include "video_core/regs_rasterizer.h"
|
#include "video_core/regs_rasterizer.h"
|
||||||
#include "video_core/regs_texturing.h"
|
#include "video_core/regs_texturing.h"
|
||||||
#include "video_core/shader/shader.h"
|
#include "video_core/shader/shader.h"
|
||||||
|
#include "video_core/swrasterizer/framebuffer.h"
|
||||||
#include "video_core/swrasterizer/rasterizer.h"
|
#include "video_core/swrasterizer/rasterizer.h"
|
||||||
#include "video_core/texture/texture_decode.h"
|
#include "video_core/texture/texture_decode.h"
|
||||||
#include "video_core/utils.h"
|
#include "video_core/utils.h"
|
||||||
|
@ -30,242 +31,6 @@ namespace Pica {
|
||||||
|
|
||||||
namespace Rasterizer {
|
namespace Rasterizer {
|
||||||
|
|
||||||
static void DrawPixel(int x, int y, const Math::Vec4<u8>& color) {
|
|
||||||
const auto& framebuffer = g_state.regs.framebuffer.framebuffer;
|
|
||||||
const PAddr addr = framebuffer.GetColorBufferPhysicalAddress();
|
|
||||||
|
|
||||||
// Similarly to textures, the render framebuffer is laid out from bottom to top, too.
|
|
||||||
// NOTE: The framebuffer height register contains the actual FB height minus one.
|
|
||||||
y = framebuffer.height - y;
|
|
||||||
|
|
||||||
const u32 coarse_y = y & ~7;
|
|
||||||
u32 bytes_per_pixel =
|
|
||||||
GPU::Regs::BytesPerPixel(GPU::Regs::PixelFormat(framebuffer.color_format.Value()));
|
|
||||||
u32 dst_offset = VideoCore::GetMortonOffset(x, y, bytes_per_pixel) +
|
|
||||||
coarse_y * framebuffer.width * bytes_per_pixel;
|
|
||||||
u8* dst_pixel = Memory::GetPhysicalPointer(addr) + dst_offset;
|
|
||||||
|
|
||||||
switch (framebuffer.color_format) {
|
|
||||||
case FramebufferRegs::ColorFormat::RGBA8:
|
|
||||||
Color::EncodeRGBA8(color, dst_pixel);
|
|
||||||
break;
|
|
||||||
|
|
||||||
case FramebufferRegs::ColorFormat::RGB8:
|
|
||||||
Color::EncodeRGB8(color, dst_pixel);
|
|
||||||
break;
|
|
||||||
|
|
||||||
case FramebufferRegs::ColorFormat::RGB5A1:
|
|
||||||
Color::EncodeRGB5A1(color, dst_pixel);
|
|
||||||
break;
|
|
||||||
|
|
||||||
case FramebufferRegs::ColorFormat::RGB565:
|
|
||||||
Color::EncodeRGB565(color, dst_pixel);
|
|
||||||
break;
|
|
||||||
|
|
||||||
case FramebufferRegs::ColorFormat::RGBA4:
|
|
||||||
Color::EncodeRGBA4(color, dst_pixel);
|
|
||||||
break;
|
|
||||||
|
|
||||||
default:
|
|
||||||
LOG_CRITICAL(Render_Software, "Unknown framebuffer color format %x",
|
|
||||||
framebuffer.color_format.Value());
|
|
||||||
UNIMPLEMENTED();
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
static const Math::Vec4<u8> GetPixel(int x, int y) {
|
|
||||||
const auto& framebuffer = g_state.regs.framebuffer.framebuffer;
|
|
||||||
const PAddr addr = framebuffer.GetColorBufferPhysicalAddress();
|
|
||||||
|
|
||||||
y = framebuffer.height - y;
|
|
||||||
|
|
||||||
const u32 coarse_y = y & ~7;
|
|
||||||
u32 bytes_per_pixel =
|
|
||||||
GPU::Regs::BytesPerPixel(GPU::Regs::PixelFormat(framebuffer.color_format.Value()));
|
|
||||||
u32 src_offset = VideoCore::GetMortonOffset(x, y, bytes_per_pixel) +
|
|
||||||
coarse_y * framebuffer.width * bytes_per_pixel;
|
|
||||||
u8* src_pixel = Memory::GetPhysicalPointer(addr) + src_offset;
|
|
||||||
|
|
||||||
switch (framebuffer.color_format) {
|
|
||||||
case FramebufferRegs::ColorFormat::RGBA8:
|
|
||||||
return Color::DecodeRGBA8(src_pixel);
|
|
||||||
|
|
||||||
case FramebufferRegs::ColorFormat::RGB8:
|
|
||||||
return Color::DecodeRGB8(src_pixel);
|
|
||||||
|
|
||||||
case FramebufferRegs::ColorFormat::RGB5A1:
|
|
||||||
return Color::DecodeRGB5A1(src_pixel);
|
|
||||||
|
|
||||||
case FramebufferRegs::ColorFormat::RGB565:
|
|
||||||
return Color::DecodeRGB565(src_pixel);
|
|
||||||
|
|
||||||
case FramebufferRegs::ColorFormat::RGBA4:
|
|
||||||
return Color::DecodeRGBA4(src_pixel);
|
|
||||||
|
|
||||||
default:
|
|
||||||
LOG_CRITICAL(Render_Software, "Unknown framebuffer color format %x",
|
|
||||||
framebuffer.color_format.Value());
|
|
||||||
UNIMPLEMENTED();
|
|
||||||
}
|
|
||||||
|
|
||||||
return {0, 0, 0, 0};
|
|
||||||
}
|
|
||||||
|
|
||||||
static u32 GetDepth(int x, int y) {
|
|
||||||
const auto& framebuffer = g_state.regs.framebuffer.framebuffer;
|
|
||||||
const PAddr addr = framebuffer.GetDepthBufferPhysicalAddress();
|
|
||||||
u8* depth_buffer = Memory::GetPhysicalPointer(addr);
|
|
||||||
|
|
||||||
y = framebuffer.height - y;
|
|
||||||
|
|
||||||
const u32 coarse_y = y & ~7;
|
|
||||||
u32 bytes_per_pixel = FramebufferRegs::BytesPerDepthPixel(framebuffer.depth_format);
|
|
||||||
u32 stride = framebuffer.width * bytes_per_pixel;
|
|
||||||
|
|
||||||
u32 src_offset = VideoCore::GetMortonOffset(x, y, bytes_per_pixel) + coarse_y * stride;
|
|
||||||
u8* src_pixel = depth_buffer + src_offset;
|
|
||||||
|
|
||||||
switch (framebuffer.depth_format) {
|
|
||||||
case FramebufferRegs::DepthFormat::D16:
|
|
||||||
return Color::DecodeD16(src_pixel);
|
|
||||||
case FramebufferRegs::DepthFormat::D24:
|
|
||||||
return Color::DecodeD24(src_pixel);
|
|
||||||
case FramebufferRegs::DepthFormat::D24S8:
|
|
||||||
return Color::DecodeD24S8(src_pixel).x;
|
|
||||||
default:
|
|
||||||
LOG_CRITICAL(HW_GPU, "Unimplemented depth format %u", framebuffer.depth_format);
|
|
||||||
UNIMPLEMENTED();
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
static u8 GetStencil(int x, int y) {
|
|
||||||
const auto& framebuffer = g_state.regs.framebuffer.framebuffer;
|
|
||||||
const PAddr addr = framebuffer.GetDepthBufferPhysicalAddress();
|
|
||||||
u8* depth_buffer = Memory::GetPhysicalPointer(addr);
|
|
||||||
|
|
||||||
y = framebuffer.height - y;
|
|
||||||
|
|
||||||
const u32 coarse_y = y & ~7;
|
|
||||||
u32 bytes_per_pixel = Pica::FramebufferRegs::BytesPerDepthPixel(framebuffer.depth_format);
|
|
||||||
u32 stride = framebuffer.width * bytes_per_pixel;
|
|
||||||
|
|
||||||
u32 src_offset = VideoCore::GetMortonOffset(x, y, bytes_per_pixel) + coarse_y * stride;
|
|
||||||
u8* src_pixel = depth_buffer + src_offset;
|
|
||||||
|
|
||||||
switch (framebuffer.depth_format) {
|
|
||||||
case FramebufferRegs::DepthFormat::D24S8:
|
|
||||||
return Color::DecodeD24S8(src_pixel).y;
|
|
||||||
|
|
||||||
default:
|
|
||||||
LOG_WARNING(
|
|
||||||
HW_GPU,
|
|
||||||
"GetStencil called for function which doesn't have a stencil component (format %u)",
|
|
||||||
framebuffer.depth_format);
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
static void SetDepth(int x, int y, u32 value) {
|
|
||||||
const auto& framebuffer = g_state.regs.framebuffer.framebuffer;
|
|
||||||
const PAddr addr = framebuffer.GetDepthBufferPhysicalAddress();
|
|
||||||
u8* depth_buffer = Memory::GetPhysicalPointer(addr);
|
|
||||||
|
|
||||||
y = framebuffer.height - y;
|
|
||||||
|
|
||||||
const u32 coarse_y = y & ~7;
|
|
||||||
u32 bytes_per_pixel = FramebufferRegs::BytesPerDepthPixel(framebuffer.depth_format);
|
|
||||||
u32 stride = framebuffer.width * bytes_per_pixel;
|
|
||||||
|
|
||||||
u32 dst_offset = VideoCore::GetMortonOffset(x, y, bytes_per_pixel) + coarse_y * stride;
|
|
||||||
u8* dst_pixel = depth_buffer + dst_offset;
|
|
||||||
|
|
||||||
switch (framebuffer.depth_format) {
|
|
||||||
case FramebufferRegs::DepthFormat::D16:
|
|
||||||
Color::EncodeD16(value, dst_pixel);
|
|
||||||
break;
|
|
||||||
|
|
||||||
case FramebufferRegs::DepthFormat::D24:
|
|
||||||
Color::EncodeD24(value, dst_pixel);
|
|
||||||
break;
|
|
||||||
|
|
||||||
case FramebufferRegs::DepthFormat::D24S8:
|
|
||||||
Color::EncodeD24X8(value, dst_pixel);
|
|
||||||
break;
|
|
||||||
|
|
||||||
default:
|
|
||||||
LOG_CRITICAL(HW_GPU, "Unimplemented depth format %u", framebuffer.depth_format);
|
|
||||||
UNIMPLEMENTED();
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
static void SetStencil(int x, int y, u8 value) {
|
|
||||||
const auto& framebuffer = g_state.regs.framebuffer.framebuffer;
|
|
||||||
const PAddr addr = framebuffer.GetDepthBufferPhysicalAddress();
|
|
||||||
u8* depth_buffer = Memory::GetPhysicalPointer(addr);
|
|
||||||
|
|
||||||
y = framebuffer.height - y;
|
|
||||||
|
|
||||||
const u32 coarse_y = y & ~7;
|
|
||||||
u32 bytes_per_pixel = Pica::FramebufferRegs::BytesPerDepthPixel(framebuffer.depth_format);
|
|
||||||
u32 stride = framebuffer.width * bytes_per_pixel;
|
|
||||||
|
|
||||||
u32 dst_offset = VideoCore::GetMortonOffset(x, y, bytes_per_pixel) + coarse_y * stride;
|
|
||||||
u8* dst_pixel = depth_buffer + dst_offset;
|
|
||||||
|
|
||||||
switch (framebuffer.depth_format) {
|
|
||||||
case Pica::FramebufferRegs::DepthFormat::D16:
|
|
||||||
case Pica::FramebufferRegs::DepthFormat::D24:
|
|
||||||
// Nothing to do
|
|
||||||
break;
|
|
||||||
|
|
||||||
case Pica::FramebufferRegs::DepthFormat::D24S8:
|
|
||||||
Color::EncodeX24S8(value, dst_pixel);
|
|
||||||
break;
|
|
||||||
|
|
||||||
default:
|
|
||||||
LOG_CRITICAL(HW_GPU, "Unimplemented depth format %u", framebuffer.depth_format);
|
|
||||||
UNIMPLEMENTED();
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
static u8 PerformStencilAction(FramebufferRegs::StencilAction action, u8 old_stencil, u8 ref) {
|
|
||||||
switch (action) {
|
|
||||||
case FramebufferRegs::StencilAction::Keep:
|
|
||||||
return old_stencil;
|
|
||||||
|
|
||||||
case FramebufferRegs::StencilAction::Zero:
|
|
||||||
return 0;
|
|
||||||
|
|
||||||
case FramebufferRegs::StencilAction::Replace:
|
|
||||||
return ref;
|
|
||||||
|
|
||||||
case FramebufferRegs::StencilAction::Increment:
|
|
||||||
// Saturated increment
|
|
||||||
return std::min<u8>(old_stencil, 254) + 1;
|
|
||||||
|
|
||||||
case FramebufferRegs::StencilAction::Decrement:
|
|
||||||
// Saturated decrement
|
|
||||||
return std::max<u8>(old_stencil, 1) - 1;
|
|
||||||
|
|
||||||
case FramebufferRegs::StencilAction::Invert:
|
|
||||||
return ~old_stencil;
|
|
||||||
|
|
||||||
case FramebufferRegs::StencilAction::IncrementWrap:
|
|
||||||
return old_stencil + 1;
|
|
||||||
|
|
||||||
case FramebufferRegs::StencilAction::DecrementWrap:
|
|
||||||
return old_stencil - 1;
|
|
||||||
|
|
||||||
default:
|
|
||||||
LOG_CRITICAL(HW_GPU, "Unknown stencil action %x", (int)action);
|
|
||||||
UNIMPLEMENTED();
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
// NOTE: Assuming that rasterizer coordinates are 12.4 fixed-point values
|
// NOTE: Assuming that rasterizer coordinates are 12.4 fixed-point values
|
||||||
struct Fix12P4 {
|
struct Fix12P4 {
|
||||||
Fix12P4() {}
|
Fix12P4() {}
|
||||||
|
|
Loading…
Reference in New Issue