sgilissen/llamaplayer
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

GPU/HW: Add fallback path for no-texture-buffers

Browse Source 
Yay, old Mali drivers without SSBOs...
This commit is contained in:
Stenzek
2023-12-19 01:47:40 +10:00
parent 4942964e2f
commit 5ef2ba0eb2
4 changed files with 57 additions and 20 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
src/core/gpu_hw_shadergen.cpp
View File

@ -1271,18 +1271,23 @@ uint SampleVRAM(uint2 coords)
return ss.str();
}
std::string GPU_HW_ShaderGen::GenerateVRAMWriteFragmentShader(bool use_ssbo)
std::string GPU_HW_ShaderGen::GenerateVRAMWriteFragmentShader(bool use_buffer, bool use_ssbo)
{
std::stringstream ss;
WriteHeader(ss);
WriteCommonFunctions(ss);
DefineMacro(ss, "PGXP_DEPTH", m_pgxp_depth);
DefineMacro(ss, "USE_BUFFER", use_buffer);
DeclareUniformBuffer(ss,
{"uint2 u_base_coords", "uint2 u_end_coords", "uint2 u_size", "uint u_buffer_base_offset",
"uint u_mask_or_bits", "float u_depth_value"},
true);
if (use_ssbo && m_glsl)
if (!use_buffer)
{
DeclareTexture(ss, "samp0", 0, false, true, true);
}
else if (use_ssbo && m_glsl)
{
ss << "layout(std430";
if (IsVulkan())
@ -1316,14 +1321,17 @@ std::string GPU_HW_ShaderGen::GenerateVRAMWriteFragmentShader(bool use_ssbo)
discard;
}
// find offset from the start of the row/column
uint2 offset;
offset.x = (coords.x < u_base_coords.x) ? ((VRAM_SIZE.x / RESOLUTION_SCALE) - u_base_coords.x + coords.x) : (coords.x - u_base_coords.x);
offset.y = (coords.y < u_base_coords.y) ? ((VRAM_SIZE.y / RESOLUTION_SCALE) - u_base_coords.y + coords.y) : (coords.y - u_base_coords.y);
#if !USE_BUFFER
uint value = LOAD_TEXTURE(samp0, int2(offset), 0).x;
#else
uint buffer_offset = u_buffer_base_offset + (offset.y * u_size.x) + offset.x;
uint value = GET_VALUE(buffer_offset) | u_mask_or_bits;
#endif
o_col0 = RGBA5551ToRGBA8(value);
#if !PGXP_DEPTH