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add support for fake bilinear shader

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FunkyFr3sh 2019-07-28 02:55:25 +02:00
parent 0b5064152d
commit af281c38d2
1 changed files with 5 additions and 2 deletions
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7
src/render.c
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@ -46,6 +46,7 @@ static GLuint FrameBufferTexId;
static GLuint ScaleVBOs[3], ScaleVAO;
static BOOL UseOpenGL;
static BOOL AdjustAlignment;
static BOOL UseBilinear;
static HGLRC CreateContext(HDC hdc);
static void SetMaxFPS();
@ -176,6 +177,8 @@ static void BuildPrograms()
ScaleProgram = OpenGL_BuildProgramFromFile(ddraw->shader);
else
OpenGL_GotVersion3 = FALSE;
UseBilinear = strstr(ddraw->shader, "\\bilinear.glsl") != 0;
}
if (OpenGL_GotVersion2 && !MainProgram)
@ -485,8 +488,8 @@ static void InitScaleProgram()
glGenTextures(1, &FrameBufferTexId);
glBindTexture(GL_TEXTURE_2D, FrameBufferTexId);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, UseBilinear ? GL_LINEAR : GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, UseBilinear ? GL_LINEAR : GL_NEAREST);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, SurfaceTexWidth, SurfaceTexHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE, 0);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, FrameBufferTexId, 0);