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PGXP: Add initial implementation

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This commit is contained in:
Connor McLaughlin
2020-08-02 00:25:07 +10:00
parent 013497cf20
commit 0c1b637549
30 changed files with 1699 additions and 377 deletions
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13
src/core/gpu_hw_shadergen.cpp
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@ -516,12 +516,12 @@ std::string GPU_HW_ShaderGen::GenerateBatchVertexShader(bool textured, bool upsc
const char* output_block_suffix = upscaled_lines ? "VS" : "";
if (textured)
{
DeclareVertexEntryPoint(ss, {"int3 a_pos", "float4 a_col0", "uint a_texcoord", "uint a_texpage"}, 1, 1,
DeclareVertexEntryPoint(ss, {"float4 a_pos", "float4 a_col0", "uint a_texcoord", "uint a_texpage"}, 1, 1,
{{"nointerpolation", "uint4 v_texpage"}}, false, output_block_suffix);
}
else
{
DeclareVertexEntryPoint(ss, {"int3 a_pos", "float4 a_col0"}, 1, 0, {}, false, output_block_suffix);
DeclareVertexEntryPoint(ss, {"float4 a_pos", "float4 a_col0"}, 1, 0, {}, false, output_block_suffix);
}
ss << R"(
@ -532,9 +532,10 @@ std::string GPU_HW_ShaderGen::GenerateBatchVertexShader(bool textured, bool upsc
float vertex_offset = (RESOLUTION_SCALE == 1u) ? 0.5 : 0.0;
// 0..+1023 -> -1..1
float pos_x = ((float(a_pos.x) + vertex_offset) / 512.0) - 1.0;
float pos_y = ((float(a_pos.y) + vertex_offset) / -256.0) + 1.0;
float pos_z = 1.0 - (float(a_pos.z) / 65535.0);
float pos_x = ((a_pos.x + vertex_offset) / 512.0) - 1.0;
float pos_y = ((a_pos.y + vertex_offset) / -256.0) + 1.0;
float pos_z = a_pos.z;
float pos_w = a_pos.w;
#if API_OPENGL || API_OPENGL_ES
// OpenGL seems to be off by one pixel in the Y direction due to lower-left origin, but only on
@ -550,7 +551,7 @@ std::string GPU_HW_ShaderGen::GenerateBatchVertexShader(bool textured, bool upsc
pos_y = -pos_y;
#endif
v_pos = float4(pos_x, pos_y, pos_z, 1.0);
v_pos = float4(pos_x * pos_w, pos_y * pos_w, pos_z * pos_w, pos_w);
v_col0 = a_col0;
#if TEXTURED