Diamond75/Panda3DS
1
0
Fork 0
mirror of https://github.com/wheremyfoodat/Panda3DS.git synced 2025-04-21 12:59:14 +12:00
Code Issues Projects Releases Packages Wiki Activity Actions

Hook up vertex shaders to shader cache

Browse source
This commit is contained in:
wheremyfoodat 2024-07-25 04:04:41 +03:00
parent 251ff5ee49
commit 2f4c169cad
10 changed files with 256 additions and 77 deletions
Download patch file Download diff file Expand all files Collapse all files

59
src/core/PICA/shader_gen_glsl.cpp
View file

@ -72,11 +72,6 @@ std::string FragmentGenerator::getDefaultVertexShader() {
out float gl_ClipDistance[2];
#endif
vec4 abgr8888ToVec4(uint abgr) {
const float scale = 1.0 / 255.0;
return scale * vec4(float(abgr & 0xffu), float((abgr >> 8) & 0xffu), float((abgr >> 16) & 0xffu), float(abgr >> 24));
}
void main() {
gl_Position = a_coords;
vec4 colourAbs = abs(a_vertexColour);
@ -677,4 +672,58 @@ void FragmentGenerator::compileFog(std::string& shader, const PICA::FragmentConf
shader += "vec2 value = texelFetch(u_tex_luts, ivec2(int(clamped_index), 24), 0).rg;"; // fog LUT is past the light LUTs
shader += "float fog_factor = clamp(value.r + value.g * delta, 0.0, 1.0);";
shader += "combinerOutput.rgb = mix(fog_color, combinerOutput.rgb, fog_factor);";
}
std::string FragmentGenerator::getVertexShaderAccelerated(const std::string& picaSource, bool usingUbershader) {
if (usingUbershader) {
Helpers::panic("Unimplemented: GetVertexShaderAccelerated for ubershader");
return picaSource;
} else {
// TODO: Uniforms and don't hardcode fixed-function semantic indices...
std::string ret = picaSource;
if (api == API::GLES) {
ret += "\n#define USING_GLES\n";
}
ret += R"(
out vec4 v_quaternion;
out vec4 v_colour;
out vec3 v_texcoord0;
out vec2 v_texcoord1;
out vec3 v_view;
out vec2 v_texcoord2;
#ifndef USING_GLES
out float gl_ClipDistance[2];
#endif
void main() {
pica_shader_main();
vec4 a_coords = output_registers[0];
vec4 a_vertexColour = output_registers[1];
vec2 a_texcoord0 = output_registers[2].xy;
float a_texcoord0_w = output_registers[2].w;
vec2 a_texcoord1 = output_registers[3].xy;
vec2 a_texcoord2 = output_registers[4].xy;
vec3 a_view = output_registers[5].xyz;
vec4 a_quaternion = output_registers[6];
gl_Position = a_coords;
vec4 colourAbs = abs(a_vertexColour);
v_colour = min(colourAbs, vec4(1.f));
v_texcoord0 = vec3(a_texcoord0.x, 1.0 - a_texcoord0.y, a_texcoord0_w);
v_texcoord1 = vec2(a_texcoord1.x, 1.0 - a_texcoord1.y);
v_texcoord2 = vec2(a_texcoord2.x, 1.0 - a_texcoord2.y);
v_view = a_view;
v_quaternion = a_quaternion;
#ifndef USING_GLES
//gl_ClipDistance[0] = -a_coords.z;
//gl_ClipDistance[1] = dot(clipCoords, a_coords);
#endif
})";
return ret;
}
}