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add texture test upload to ensure we don't end up with black screens on upload failure

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This commit is contained in:
FunkyFr3sh 2018-09-16 21:03:46 +02:00
parent 6cb0b07621
commit 4afbbbb5cb
1 changed files with 66 additions and 1 deletions
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67
src/render.c
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@ -58,6 +58,7 @@ static void InitPaletteConvertProgram();
static void InitScaleProgram();
static void Render();
static void DeleteContext(HGLRC context);
static BOOL TextureUploadTest();
BOOL detect_cutscene();
DWORD WINAPI render_soft_main(void);
@ -82,6 +83,7 @@ DWORD WINAPI render_main(void)
InitPaletteConvertProgram();
InitScaleProgram();
GotError = GotError || !TextureUploadTest();
GotError = GotError || glGetError() != GL_NO_ERROR;
UseOpenGL = !(ddraw->autorenderer && (!PaletteConvertProgram || GotError));
@ -281,7 +283,7 @@ static void CreateTextures(int width, int height)
SurfaceTexWidth,
SurfaceTexHeight,
0,
GL_RGBA,
SurfaceFormat = GL_RGBA,
GL_UNSIGNED_BYTE,
0);
}
@ -867,3 +869,66 @@ static void DeleteContext(HGLRC context)
wglMakeCurrent(NULL, NULL);
wglDeleteContext(context);
}
static BOOL TextureUploadTest()
{
static char testData[] = { 0,1,2,0,0,2,3,0,0,4,5,0,0,6,7,0,0,8,9,0 };
int i;
for (i = 0; i < TEXTURE_COUNT; i++)
{
memcpy(SurfaceTex, testData, sizeof(testData));
glBindTexture(GL_TEXTURE_2D, SurfaceTexIds[i]);
glTexSubImage2D(
GL_TEXTURE_2D,
0,
0,
0,
ddraw->width,
ddraw->height,
SurfaceFormat,
GL_UNSIGNED_BYTE,
SurfaceTex);
glFinish();
memset(SurfaceTex, 0, sizeof(testData));
glGetTexImage(GL_TEXTURE_2D, 0, SurfaceFormat, GL_UNSIGNED_BYTE, SurfaceTex);
glFinish();
if (memcmp(SurfaceTex, testData, sizeof(testData)) != 0)
return FALSE;
}
for (i = 0; i < TEXTURE_COUNT; i++)
{
glBindTexture(GL_TEXTURE_2D, PaletteTexIds[i]);
glTexSubImage2D(
GL_TEXTURE_2D,
0,
0,
0,
256,
1,
GL_RGBA,
GL_UNSIGNED_BYTE,
SurfaceTex);
glFinish();
memset(SurfaceTex, 0, sizeof(testData));
glGetTexImage(GL_TEXTURE_2D, 0, GL_RGBA, GL_UNSIGNED_BYTE, SurfaceTex);
glFinish();
if (memcmp(SurfaceTex, testData, sizeof(testData)) != 0)
return FALSE;
}
return TRUE;
}