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GPU: Improve batching by sampling a VRAM copy

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This commit is contained in:
Connor McLaughlin
2019-09-26 23:33:20 +10:00
parent 332b5481e8
commit 792ec27b1a
6 changed files with 189 additions and 167 deletions
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14
src/pse/gpu_hw.h
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@ -39,6 +39,11 @@ protected:
bool transparency_enable;
bool texture_enable;
bool texture_blending_enable;
TextureColorMode texture_color_mode;
u32 texture_page_x;
u32 texture_page_y;
u32 texture_palette_x;
u32 texture_palette_y;
TransparencyMode transparency_mode;
std::vector<HWVertex> vertices;
@ -46,6 +51,10 @@ protected:
static constexpr u32 VERTEX_BUFFER_SIZE = 1 * 1024 * 1024;
static constexpr u32 MAX_BATCH_VERTEX_COUNT = VERTEX_BUFFER_SIZE / sizeof(HWVertex);
static constexpr u32 TEXTURE_TILE_SIZE = 256;
static constexpr u32 TEXTURE_TILE_X_COUNT = VRAM_WIDTH / TEXTURE_TILE_SIZE;
static constexpr u32 TEXTURE_TILE_Y_COUNT = VRAM_HEIGHT / TEXTURE_TILE_SIZE;
static constexpr u32 TEXTURE_TILE_COUNT = TEXTURE_TILE_X_COUNT * TEXTURE_TILE_Y_COUNT;
static constexpr std::tuple<float, float, float, float> RGBA8ToFloat(u32 rgba)
{
@ -55,7 +64,7 @@ protected:
static_cast<float>(rgba >> 24) * (1.0f / 255.0f));
}
virtual void UpdateTexturePageTexture();
virtual void InvalidateVRAMReadCache();
bool IsFlushed() const { return m_batch.vertices.empty(); }
@ -64,9 +73,8 @@ protected:
void CalcScissorRect(int* left, int* top, int* right, int* bottom);
std::string GenerateVertexShader(bool textured);
std::string GenerateFragmentShader(bool textured, bool blending);
std::string GenerateFragmentShader(bool textured, bool blending, TextureColorMode texture_color_mode);
std::string GenerateScreenQuadVertexShader();
std::string GenerateTexturePageFragmentShader(TextureColorMode mode);
std::string GenerateFillFragmentShader();
HWRenderBatch m_batch = {};