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adjust alignment in case width is not divisible 4 - fixes resolutions such as 1366*768

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FunkyFr3sh 2018-09-25 01:56:15 +02:00
parent 5bbf63a025
commit 4fe107c991
1 changed files with 9 additions and 0 deletions
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9
src/render.c
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@ -49,6 +49,7 @@ static GLuint FrameBufferId;
static GLuint FrameBufferTexId; static GLuint FrameBufferTexId;
static GLuint ScaleVBOs[3], ScaleVAO; static GLuint ScaleVBOs[3], ScaleVAO;
static BOOL UseOpenGL; static BOOL UseOpenGL;
static BOOL AdjustAlignment;
static HGLRC CreateContext(HDC hdc); static HGLRC CreateContext(HDC hdc);
static void SetMaxFPS(int baseMaxFPS); static void SetMaxFPS(int baseMaxFPS);
@ -199,6 +200,8 @@ static void CreateTextures(int width, int height)
SurfaceTex = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, SurfaceTexWidth * SurfaceTexHeight * sizeof(int)); SurfaceTex = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, SurfaceTexWidth * SurfaceTexHeight * sizeof(int));
AdjustAlignment = (width % 4) != 0;
ScaleW = (float)width / SurfaceTexWidth; ScaleW = (float)width / SurfaceTexWidth;
ScaleH = (float)height / SurfaceTexHeight; ScaleH = (float)height / SurfaceTexHeight;
@ -644,6 +647,9 @@ static void Render()
glBindTexture(GL_TEXTURE_2D, SurfaceTexIds[texIndex]); glBindTexture(GL_TEXTURE_2D, SurfaceTexIds[texIndex]);
if (AdjustAlignment)
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
glTexSubImage2D( glTexSubImage2D(
GL_TEXTURE_2D, GL_TEXTURE_2D,
0, 0,
@ -654,6 +660,9 @@ static void Render()
SurfaceFormat, SurfaceFormat,
GL_UNSIGNED_BYTE, GL_UNSIGNED_BYTE,
ddraw->primary->surface); ddraw->primary->surface);
if (AdjustAlignment)
glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
} }
} }
else else