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OpenGL: add support for changing BG0HOFS midframe. fixes #2072

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This commit is contained in:
Arisotura
2024-06-18 13:11:42 +02:00
parent 626d2379bc
commit e234385c20
4 changed files with 9 additions and 11 deletions
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7
src/GPU_OpenGL_shaders.h
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@ -43,7 +43,6 @@ void main()
const char* kCompositorFS_Nearest = R"(#version 140
uniform uint u3DScale;
uniform int u3DXPos;
uniform usampler2D ScreenTex;
uniform sampler2D _3DTex;
@ -56,11 +55,13 @@ void main()
{
ivec4 pixel = ivec4(texelFetch(ScreenTex, ivec2(fTexcoord), 0));
float _3dxpos = float(u3DXPos);
ivec4 mbright = ivec4(texelFetch(ScreenTex, ivec2(256*3, int(fTexcoord.y)), 0));
int dispmode = mbright.b & 0x3;
// mbright.a == HOFS bit0..7
// mbright.b bit7 == HOFS bit8 (sign)
float _3dxpos = float(mbright.a - ((mbright.b & 0x80) * 2));
if (dispmode == 1)
{
ivec4 val1 = pixel;