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

GPU: Add display rotation option

Browse Source
This commit is contained in:
Stenzek
2024-07-26 22:45:23 +10:00
parent 5656f91bd2
commit 7a3a72ec3d
20 changed files with 252 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
src/core/gpu_shadergen.cpp
View File

@ -12,7 +12,11 @@ GPUShaderGen::~GPUShaderGen() = default;
void GPUShaderGen::WriteDisplayUniformBuffer(std::stringstream& ss)
{
DeclareUniformBuffer(ss, {"float4 u_src_rect", "float4 u_src_size", "float4 u_clamp_rect", "float4 u_params"}, true);
// Rotation matrix split into rows to avoid padding in HLSL.
DeclareUniformBuffer(ss,
{"float4 u_src_rect", "float4 u_src_size", "float4 u_clamp_rect", "float4 u_params",
"float2 u_rotation_matrix0", "float2 u_rotation_matrix1"},
true);
ss << R"(
float2 ClampUV(float2 uv) {
@ -31,6 +35,10 @@ std::string GPUShaderGen::GenerateDisplayVertexShader()
float2 pos = float2(float((v_id << 1) & 2u), float(v_id & 2u));
v_tex0 = u_src_rect.xy + pos * u_src_rect.zw;
v_pos = float4(pos * float2(2.0f, -2.0f) + float2(-1.0f, 1.0f), 0.0f, 1.0f);
// Avoid HLSL/GLSL constructor differences by explicitly multiplying the matrix.
v_pos.xy = float2(dot(u_rotation_matrix0, v_pos.xy), dot(u_rotation_matrix1, v_pos.xy));
#if API_VULKAN
v_pos.y = -v_pos.y;
#endif