OpenHarmony/third_party_mesa3d
2
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

intel: Handle arbitrary compressed formats in intel_compressed_num_bytes.

Browse Source 
Note that we don't support arbitrary block size for compressed quite
yet -- block height of 4 is hard-coded all over the place.

Bug #27098 (srgb dxt1 producing a bytes per pixel of 0).
This commit is contained in:
Eric Anholt
2010-05-13 14:48:13 -07:00
parent 07ff65925f
commit 7554b83a21
1 changed files with 8 additions and 19 deletions
Download Patch File Download Diff File Expand all files Collapse all files

27
src/mesa/drivers/dri/intel/intel_tex_format.c
View File

@@ -1,7 +1,7 @@
#include "intel_context.h" #include "intel_context.h"
#include "intel_tex.h" #include "intel_tex.h"
#include "main/enums.h" #include "main/enums.h"
#include "main/formats.h"
/** /**
* Choose hardware texture format given the user's glTexImage parameters. * Choose hardware texture format given the user's glTexImage parameters.
@@ -208,22 +208,11 @@ intelChooseTextureFormat(GLcontext * ctx, GLint internalFormat,
int intel_compressed_num_bytes(GLuint mesaFormat) int intel_compressed_num_bytes(GLuint mesaFormat)
{ {
int bytes = 0; GLuint bw, bh;
switch(mesaFormat) { GLuint block_size;
case MESA_FORMAT_RGB_FXT1: block_size = _mesa_get_format_bytes(mesaFormat);
case MESA_FORMAT_RGBA_FXT1: _mesa_get_format_block_size(mesaFormat, &bw, &bh);
case MESA_FORMAT_RGB_DXT1:
case MESA_FORMAT_RGBA_DXT1: return block_size / bh;
bytes = 2;
break;
case MESA_FORMAT_RGBA_DXT3:
case MESA_FORMAT_RGBA_DXT5:
bytes = 4;
default:
break;
}
return bytes;
} }