GPU: Added the stencil test structure to the Pica Regs struct.
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155cc80e3b
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1248e291f0
@ -176,7 +176,7 @@ void GraphicsFramebufferWidget::OnUpdate()
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{
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// TODO: Store a reference to the registers in the debug context instead of accessing them directly...
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auto framebuffer = Pica::registers.framebuffer;
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const auto& framebuffer = Pica::registers.framebuffer;
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framebuffer_address = framebuffer.GetColorBufferPhysicalAddress();
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framebuffer_width = framebuffer.GetWidth();
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@ -189,7 +189,7 @@ void GraphicsFramebufferWidget::OnUpdate()
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case Source::DepthBuffer:
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{
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auto framebuffer = Pica::registers.framebuffer;
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const auto& framebuffer = Pica::registers.framebuffer;
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framebuffer_address = framebuffer.GetDepthBufferPhysicalAddress();
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framebuffer_width = framebuffer.GetWidth();
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@ -294,4 +294,4 @@ u32 GraphicsFramebufferWidget::BytesPerPixel(GraphicsFramebufferWidget::Format f
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case Format::D16:
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return 2;
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}
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}
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}
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@ -20,9 +20,9 @@ class GraphicsFramebufferWidget : public BreakPointObserverDock {
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using Event = Pica::DebugContext::Event;
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enum class Source {
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PicaTarget = 0,
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DepthBuffer = 1,
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Custom = 2,
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PicaTarget = 0,
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DepthBuffer = 1,
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Custom = 2,
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// TODO: Add GPU framebuffer sources!
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};
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@ -81,9 +81,9 @@ inline void Write(u32 addr, const T data) {
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if (config.fill_24bit) {
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// fill with 24-bit values
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for (u8* ptr = start; ptr < end; ptr += 3) {
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ptr[0] = config.value_24bit_r;
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ptr[0] = config.value_24bit_b;
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ptr[1] = config.value_24bit_g;
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ptr[2] = config.value_24bit_b;
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ptr[2] = config.value_24bit_r;
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}
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} else if (config.fill_32bit) {
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// fill with 32-bit values
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@ -100,10 +100,10 @@ struct Regs {
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// Set to 1 upon completion.
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BitField<0, 1, u32> finished;
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// If both of these bits are unset, then it will fill the memory with a 16 bit value
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// 1: fill with 24-bit wide values
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// 0: fill with 16- or 32-bit wide values; 1: fill with 24-bit wide values
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BitField<8, 1, u32> fill_24bit;
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// 1: fill with 32-bit wide values
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// 0: fill with 16-bit wide values; 1: fill with 32-bit wide values
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BitField<9, 1, u32> fill_32bit;
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};
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@ -105,7 +105,7 @@ inline const Math::Vec4<u8> DecodeRGBA4(const u8* bytes) {
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* @param bytes Pointer to encoded source value
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* @return Depth value as an u32
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*/
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inline const u32 DecodeD16(const u8* bytes) {
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inline u32 DecodeD16(const u8* bytes) {
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return *reinterpret_cast<const u16_le*>(bytes);
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}
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@ -114,7 +114,7 @@ inline const u32 DecodeD16(const u8* bytes) {
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* @param bytes Pointer to encoded source value
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* @return Depth value as an u32
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*/
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inline const u32 DecodeD24(const u8* bytes) {
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inline u32 DecodeD24(const u8* bytes) {
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return (bytes[2] << 16) | (bytes[1] << 8) | bytes[0];
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}
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@ -181,8 +181,8 @@ inline void EncodeRGBA4(const Math::Vec4<u8>& color, u8* bytes) {
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}
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/**
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* Encode a depth value as D16 format
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* @param value Source depth value to encode
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* Encode a 16 bit depth value as D16 format
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* @param value 16 bit source depth value to encode
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* @param bytes Pointer where to store the encoded value
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*/
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inline void EncodeD16(u32 value, u8* bytes) {
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@ -190,8 +190,8 @@ inline void EncodeD16(u32 value, u8* bytes) {
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}
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/**
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* Encode a depth value as D24 format
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* @param value Source depth value to encode
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* Encode a 24 bit depth value as D24 format
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* @param value 24 bit source depth value to encode
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* @param bytes Pointer where to store the encoded value
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*/
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inline void EncodeD24(u32 value, u8* bytes) {
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@ -201,9 +201,9 @@ inline void EncodeD24(u32 value, u8* bytes) {
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}
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/**
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* Encode depth and stencil values as D24S8 format
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* @param depth Source depth values to encode
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* @param stencil Source stencil value to encode
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* Encode a 24 bit depth and 8 bit stencil values as D24S8 format
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* @param depth 24 bit source depth value to encode
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* @param stencil 8 bit source stencil value to encode
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* @param bytes Pointer where to store the encoded value
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*/
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inline void EncodeD24S8(u32 depth, u8 stencil, u8* bytes) {
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@ -393,7 +393,15 @@ struct Regs {
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BitField< 8, 8, u32> ref;
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} alpha_test;
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INSERT_PADDING_WORDS(0x2);
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union {
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BitField< 0, 1, u32> stencil_test_enable;
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BitField< 4, 3, CompareFunc> stencil_test_func;
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BitField< 8, 8, u32> stencil_replacement_value;
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BitField<16, 8, u32> stencil_reference_value;
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BitField<24, 8, u32> stencil_mask;
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} stencil_test;
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INSERT_PADDING_WORDS(0x1);
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union {
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BitField< 0, 1, u32> depth_test_enable;
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@ -408,6 +416,30 @@ struct Regs {
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INSERT_PADDING_WORDS(0x8);
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} output_merger;
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enum DepthFormat : u32 {
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D16 = 0,
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D24 = 2,
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D24S8 = 3
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};
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/*
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* Returns the number of bytes in the specified depth format
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*/
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static u32 BytesPerDepthPixel(DepthFormat format) {
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switch (format) {
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case DepthFormat::D16:
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return 2;
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case DepthFormat::D24:
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return 3;
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case DepthFormat::D24S8:
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return 4;
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default:
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LOG_CRITICAL(HW_GPU, "Unknown depth format %u", format);
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UNIMPLEMENTED();
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}
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}
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struct {
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// Components are laid out in reverse byte order, most significant bits first.
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enum ColorFormat : u32 {
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@ -418,16 +450,9 @@ struct Regs {
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RGBA4 = 4,
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};
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enum DepthFormat : u32 {
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D16 = 0,
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D24 = 2,
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D24S8 = 3
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};
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INSERT_PADDING_WORDS(0x6);
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u32 depth_format;
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DepthFormat depth_format;
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BitField<16, 3, u32> color_format;
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INSERT_PADDING_WORDS(0x4);
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@ -100,24 +100,19 @@ static u32 GetDepth(int x, int y) {
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y = (registers.framebuffer.height - y);
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const u32 coarse_y = y & ~7;
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u32 bytes_per_pixel = Pica::Regs::BytesPerDepthPixel(registers.framebuffer.depth_format);
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u32 stride = registers.framebuffer.width * bytes_per_pixel;
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u32 src_offset = VideoCore::GetMortonOffset(x, y, bytes_per_pixel) + coarse_y * stride;
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u8* src_pixel = depth_buffer + src_offset;
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switch (registers.framebuffer.depth_format) {
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case registers.framebuffer.D16:
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{
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u32 stride = registers.framebuffer.width * 2;
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return Color::DecodeD16(depth_buffer + VideoCore::GetMortonOffset(x, y, 2) + coarse_y * stride);
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}
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case registers.framebuffer.D24:
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{
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u32 stride = registers.framebuffer.width * 3;
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u8* address = depth_buffer + VideoCore::GetMortonOffset(x, y, 3) + coarse_y * stride;
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return Color::DecodeD24(address);
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}
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case registers.framebuffer.D24S8:
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{
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u32 stride = registers.framebuffer.width * 4;
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return Color::DecodeD24S8(depth_buffer + VideoCore::GetMortonOffset(x, y, 4) + coarse_y * stride).x;
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}
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case Pica::Regs::DepthFormat::D16:
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return Color::DecodeD16(src_pixel);
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case Pica::Regs::DepthFormat::D24:
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return Color::DecodeD24(src_pixel);
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case Pica::Regs::DepthFormat::D24S8:
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return Color::DecodeD24S8(src_pixel).x;
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default:
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LOG_CRITICAL(HW_GPU, "Unimplemented depth format %u", registers.framebuffer.depth_format);
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UNIMPLEMENTED();
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@ -132,28 +127,23 @@ static void SetDepth(int x, int y, u32 value) {
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y = (registers.framebuffer.height - y);
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const u32 coarse_y = y & ~7;
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u32 bytes_per_pixel = Pica::Regs::BytesPerDepthPixel(registers.framebuffer.depth_format);
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u32 stride = registers.framebuffer.width * bytes_per_pixel;
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u32 dst_offset = VideoCore::GetMortonOffset(x, y, bytes_per_pixel) + coarse_y * stride;
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u8* dst_pixel = depth_buffer + dst_offset;
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switch (registers.framebuffer.depth_format) {
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case registers.framebuffer.D16:
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{
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u32 stride = registers.framebuffer.width * 2;
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Color::EncodeD16(value, depth_buffer + VideoCore::GetMortonOffset(x, y, 2) + coarse_y * stride);
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case Pica::Regs::DepthFormat::D16:
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Color::EncodeD16(value, dst_pixel);
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break;
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}
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case registers.framebuffer.D24:
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{
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u32 stride = registers.framebuffer.width * 3;
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u8* address = depth_buffer + VideoCore::GetMortonOffset(x, y, 3) + coarse_y * stride;
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Color::EncodeD24(value, address);
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case Pica::Regs::DepthFormat::D24:
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Color::EncodeD24(value, dst_pixel);
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break;
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}
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case registers.framebuffer.D24S8:
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{
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u32 stride = registers.framebuffer.width * 4;
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case Pica::Regs::DepthFormat::D24S8:
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// TODO(Subv): Implement the stencil buffer
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Color::EncodeD24S8(value, 0, depth_buffer + VideoCore::GetMortonOffset(x, y, 4) + coarse_y * stride);
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Color::EncodeD24S8(value, 0, dst_pixel);
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break;
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}
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default:
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LOG_CRITICAL(HW_GPU, "Unimplemented depth format %u", registers.framebuffer.depth_format);
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UNIMPLEMENTED();
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