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engines/maxwell_3d: Add TFB registers and store them in shader registry

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This commit is contained in:
ReinUsesLisp 2020-03-02 01:54:00 -03:00
parent b1acb4f73f
commit eb5861e0a2
4 changed files with 45 additions and 6 deletions
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34
src/video_core/engines/maxwell_3d.h
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@ -67,6 +67,7 @@ public:
static constexpr std::size_t NumVaryings = 31;
static constexpr std::size_t NumImages = 8; // TODO(Rodrigo): Investigate this number
static constexpr std::size_t NumClipDistances = 8;
static constexpr std::size_t NumTransformFeedbackBuffers = 4;
static constexpr std::size_t MaxShaderProgram = 6;
static constexpr std::size_t MaxShaderStage = 5;
// Maximum number of const buffers per shader stage.
@ -621,6 +622,22 @@ public:
float depth_range_far;
};
struct alignas(32) TransformFeedbackBinding {
u32 buffer_enable;
u32 address_high;
u32 address_low;
s32 buffer_size;
s32 buffer_offset;
};
static_assert(sizeof(TransformFeedbackBinding) == 32);
struct alignas(16) TransformFeedbackLayout {
u32 stream;
u32 varying_count;
u32 stride;
};
static_assert(sizeof(TransformFeedbackLayout) == 16);
bool IsShaderConfigEnabled(std::size_t index) const {
// The VertexB is always enabled.
if (index == static_cast<std::size_t>(Regs::ShaderProgram::VertexB)) {
@ -677,7 +694,13 @@ public:
u32 rasterize_enable;
INSERT_UNION_PADDING_WORDS(0xF1);
std::array<TransformFeedbackBinding, NumTransformFeedbackBuffers> tfb_bindings;
INSERT_UNION_PADDING_WORDS(0xC0);
std::array<TransformFeedbackLayout, NumTransformFeedbackBuffers> tfb_layouts;
INSERT_UNION_PADDING_WORDS(0x1);
u32 tfb_enabled;
@ -1187,7 +1210,11 @@ public:
u32 tex_cb_index;
INSERT_UNION_PADDING_WORDS(0x395);
INSERT_UNION_PADDING_WORDS(0x7D);
std::array<std::array<u8, 128>, NumTransformFeedbackBuffers> tfb_varying_locs;
INSERT_UNION_PADDING_WORDS(0x298);
struct {
/// Compressed address of a buffer that holds information about bound SSBOs.
@ -1413,6 +1440,8 @@ ASSERT_REG_POSITION(tess_mode, 0xC8);
ASSERT_REG_POSITION(tess_level_outer, 0xC9);
ASSERT_REG_POSITION(tess_level_inner, 0xCD);
ASSERT_REG_POSITION(rasterize_enable, 0xDF);
ASSERT_REG_POSITION(tfb_bindings, 0xE0);
ASSERT_REG_POSITION(tfb_layouts, 0x1C0);
ASSERT_REG_POSITION(tfb_enabled, 0x1D1);
ASSERT_REG_POSITION(rt, 0x200);
ASSERT_REG_POSITION(viewport_transform, 0x280);
@ -1508,6 +1537,7 @@ ASSERT_REG_POSITION(firmware, 0x8C0);
ASSERT_REG_POSITION(const_buffer, 0x8E0);
ASSERT_REG_POSITION(cb_bind[0], 0x904);
ASSERT_REG_POSITION(tex_cb_index, 0x982);
ASSERT_REG_POSITION(tfb_varying_locs, 0xA00);
ASSERT_REG_POSITION(ssbo_info, 0xD18);
ASSERT_REG_POSITION(tex_info_buffers.address[0], 0xD2A);
ASSERT_REG_POSITION(tex_info_buffers.size[0], 0xD2F);

2
src/video_core/renderer_opengl/gl_shader_disk_cache.cpp
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@ -48,7 +48,7 @@ struct BindlessSamplerKey {
Tegra::Engines::SamplerDescriptor sampler;
};
constexpr u32 NativeVersion = 19;
constexpr u32 NativeVersion = 20;
ShaderCacheVersionHash GetShaderCacheVersionHash() {
ShaderCacheVersionHash hash{};

3
src/video_core/shader/registry.cpp
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@ -27,9 +27,12 @@ GraphicsInfo MakeGraphicsInfo(ShaderType shader_stage, ConstBufferEngineInterfac
auto& graphics = static_cast<Tegra::Engines::Maxwell3D&>(engine);
GraphicsInfo info;
info.tfb_layouts = graphics.regs.tfb_layouts;
info.tfb_varying_locs = graphics.regs.tfb_varying_locs;
info.primitive_topology = graphics.regs.draw.topology;
info.tessellation_primitive = graphics.regs.tess_mode.prim;
info.tessellation_spacing = graphics.regs.tess_mode.spacing;
info.tfb_enabled = graphics.regs.tfb_enabled;
info.tessellation_clockwise = graphics.regs.tess_mode.cw;
return info;
}

12
src/video_core/shader/registry.h
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@ -25,9 +25,15 @@ using BindlessSamplerMap =
std::unordered_map<std::pair<u32, u32>, Tegra::Engines::SamplerDescriptor, Common::PairHash>;
struct GraphicsInfo {
Tegra::Engines::Maxwell3D::Regs::PrimitiveTopology primitive_topology{};
Tegra::Engines::Maxwell3D::Regs::TessellationPrimitive tessellation_primitive{};
Tegra::Engines::Maxwell3D::Regs::TessellationSpacing tessellation_spacing{};
using Maxwell = Tegra::Engines::Maxwell3D::Regs;
std::array<Maxwell::TransformFeedbackLayout, Maxwell::NumTransformFeedbackBuffers>
tfb_layouts{};
std::array<std::array<u8, 128>, Maxwell::NumTransformFeedbackBuffers> tfb_varying_locs{};
Maxwell::PrimitiveTopology primitive_topology{};
Maxwell::TessellationPrimitive tessellation_primitive{};
Maxwell::TessellationSpacing tessellation_spacing{};
bool tfb_enabled = false;
bool tessellation_clockwise = false;
};
static_assert(std::is_trivially_copyable_v<GraphicsInfo> &&