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A little bit of cleanup for the new DXT code:

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* Using TRUE/FALSE instead of 1/0
  * Checking to make sure GL_EXT_texture_compression_s3tc is supported
  * Removing some debug error checking
This commit is contained in:
Mitchell Stokes
2012-07-01 02:47:34 +00:00
parent 8b865c01cd
commit 7ef55c62f3
1 changed files with 17 additions and 19 deletions
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36
source/blender/gpu/intern/gpu_draw.c
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@@ -703,26 +703,29 @@ void GPU_create_gl_tex(unsigned int *bind, unsigned int *pix, float * frect, int
/**
* GPU_upload_dxt_texture() assumes that the texture is already bound and ready to go.
* This is so the viewport and the BGE can share some code.
* Returns 0 if the provided ImBuf doesn't have a supported DXT compression format
* Returns FALSE if the provided ImBuf doesn't have a supported DXT compression format
*/
int GPU_upload_dxt_texture(ImBuf *ibuf)
{
#if WITH_DDS
GLint format, err;
GLint format = 0;
int blocksize, height, width, i, size, offset = 0;
height = ibuf->x;
width = ibuf->y;
if (ibuf->dds_data.fourcc == FOURCC_DXT1)
format = GL_COMPRESSED_RGBA_S3TC_DXT1_EXT;
else if (ibuf->dds_data.fourcc == FOURCC_DXT3)
format = GL_COMPRESSED_RGBA_S3TC_DXT3_EXT;
else if (ibuf->dds_data.fourcc == FOURCC_DXT5)
format = GL_COMPRESSED_RGBA_S3TC_DXT5_EXT;
else {
width = ibuf->y;
if (GLEW_EXT_texture_compression_s3tc) {
if (ibuf->dds_data.fourcc == FOURCC_DXT1)
format = GL_COMPRESSED_RGBA_S3TC_DXT1_EXT;
else if (ibuf->dds_data.fourcc == FOURCC_DXT3)
format = GL_COMPRESSED_RGBA_S3TC_DXT3_EXT;
else if (ibuf->dds_data.fourcc == FOURCC_DXT5)
format = GL_COMPRESSED_RGBA_S3TC_DXT5_EXT;
}
if (format == 0) {
printf("Unable to find a suitable DXT compression, falling back to uncompressed\n");
return 0;
return FALSE;
}
blocksize = (format == GL_COMPRESSED_RGBA_S3TC_DXT1_EXT) ? 8 : 16;
@@ -737,20 +740,15 @@ int GPU_upload_dxt_texture(ImBuf *ibuf)
glCompressedTexImage2D(GL_TEXTURE_2D, i, format, width, height,
0, size, ibuf->dds_data.data + offset);
err = glGetError();
if (err != GL_NO_ERROR)
printf("OpenGL error: %s\nFormat: %x\n", gluErrorString(err), format);
offset += size;
width >>= 1;
height >>= 1;
}
return 1;
return TRUE;
#else
(void)ibuf;
return 0;
return FALSE;
#endif
}