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general: Fixes for Tales of the Abyss (#7381) 

* geometry_pipeline: Remove unneeded assert

* Has been hw-tested that gs works correctly even when not in exclusive mode

* pica_core: Propagate output_mask to gs

* Has been hw-tested to occur under the same conditions that other uniforms are shared

* regs_shader: Intialize GPUREG_SH_INPUTBUFFER_CONFIG to default value

* Default value verified on hw. Tales of Abyss does not update the number of vertex attributes for the geometry unit and expects it to be 2

* texture_codec: Align buffer sizes to bpp

* Prevents out of bounds texture reads when launching TOA from the HOME menu

* pica_core: Make default value more clear
This commit is contained in:
GPUCode 2024-01-24 19:22:10 +02:00 committed by GitHub
parent 89e13a85a7
commit bea863efff
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GPG Key ID: B5690EEEBB952194
5 changed files with 21 additions and 6 deletions
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1
src/video_core/pica/geometry_pipeline.cpp
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@ -337,7 +337,6 @@ void GeometryPipeline::Reconfigure() {
// The following assumes that when geometry shader is in use, the shader unit 3 is configured as
// a geometry shader unit.
// TODO: what happens if this is not true?
ASSERT(regs.pipeline.gs_unit_exclusive_configuration == 1);
ASSERT(regs.gs.shader_mode == ShaderRegs::ShaderMode::GS);
ASSERT(regs.pipeline.use_gs == PipelineRegs::UseGS::Yes);

16
src/video_core/pica/pica_core.cpp
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@ -35,7 +35,7 @@ PicaCore::PicaCore(Memory::MemorySystem& memory_, std::shared_ptr<DebugContext>
gs_unit,
gs_setup},
shader_engine{CreateEngine(Settings::values.use_shader_jit.GetValue())} {
SetFramebufferDefaults();
InitializeRegs();
const auto submit_vertex = [this](const AttributeBuffer& buffer) {
const auto add_triangle = [this](const OutputVertex& v0, const OutputVertex& v1,
@ -54,7 +54,7 @@ PicaCore::PicaCore(Memory::MemorySystem& memory_, std::shared_ptr<DebugContext>
PicaCore::~PicaCore() = default;
void PicaCore::SetFramebufferDefaults() {
void PicaCore::InitializeRegs() {
auto& framebuffer_top = regs.framebuffer_config[0];
auto& framebuffer_sub = regs.framebuffer_config[1];
@ -77,6 +77,11 @@ void PicaCore::SetFramebufferDefaults() {
framebuffer_sub.stride = 3 * 240;
framebuffer_sub.color_format.Assign(PixelFormat::RGB8);
framebuffer_sub.active_fb = 0;
// Tales of Abyss expects this register to have the following default values.
auto& gs = regs.internal.gs;
gs.max_input_attribute_index.Assign(1);
gs.shader_mode.Assign(ShaderRegs::ShaderMode::VS);
}
void PicaCore::BindRasterizer(VideoCore::RasterizerInterface* rasterizer) {
@ -254,6 +259,13 @@ void PicaCore::WriteInternalReg(u32 id, u32 value, u32 mask) {
break;
}
case PICA_REG_INDEX(vs.output_mask):
if (!regs.internal.pipeline.gs_unit_exclusive_configuration &&
regs.internal.pipeline.use_gs == PipelineRegs::UseGS::No) {
regs.internal.gs.output_mask.Assign(value);
}
break;
case PICA_REG_INDEX(vs.bool_uniforms):
vs_setup.WriteUniformBoolReg(regs.internal.vs.bool_uniforms.Value());
if (!regs.internal.pipeline.gs_unit_exclusive_configuration &&

2
src/video_core/pica/pica_core.h
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@ -39,7 +39,7 @@ public:
void ProcessCmdList(PAddr list, u32 size);
private:
void SetFramebufferDefaults();
void InitializeRegs();
void WriteInternalReg(u32 id, u32 value, u32 mask);

1
src/video_core/pica/regs_shader.h
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@ -35,6 +35,7 @@ struct ShaderRegs {
union {
// Number of input attributes to shader unit - 1
u32 input_buffer_config;
BitField<0, 4, u32> max_input_attribute_index;
BitField<8, 8, u32> input_to_uniform;
BitField<24, 8, ShaderMode> shader_mode;

7
src/video_core/rasterizer_cache/texture_codec.h
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@ -341,8 +341,8 @@ static constexpr void MortonCopy(u32 width, u32 height, u32 start_offset, u32 en
*/
template <bool decode, PixelFormat format, bool converted = false>
static constexpr void LinearCopy(std::span<u8> src_buffer, std::span<u8> dst_buffer) {
const std::size_t src_size = src_buffer.size();
const std::size_t dst_size = dst_buffer.size();
std::size_t src_size = src_buffer.size();
std::size_t dst_size = dst_buffer.size();
if constexpr (converted) {
constexpr u32 encoded_bytes_per_pixel = GetFormatBpp(format) / 8;
@ -352,6 +352,9 @@ static constexpr void LinearCopy(std::span<u8> src_buffer, std::span<u8> dst_buf
constexpr u32 dst_bytes_per_pixel =
decode ? decoded_bytes_per_pixel : encoded_bytes_per_pixel;
src_size = Common::AlignDown(src_size, src_bytes_per_pixel);
dst_size = Common::AlignDown(dst_size, dst_bytes_per_pixel);
for (std::size_t src_index = 0, dst_index = 0; src_index < src_size && dst_index < dst_size;
src_index += src_bytes_per_pixel, dst_index += dst_bytes_per_pixel) {
const auto src_pixel = src_buffer.subspan(src_index, src_bytes_per_pixel);