OpenHarmony/third_party_mesa3d
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In gl_texture_image, replace ImageStride with an ImageOffsets array.

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Some hardware lays out 3D mipmaps in a manner that can't be expressed
with a simple image stride.
The ImageOffsets array is allocated and initialized to typical defaults
in the _mesa_init_teximage_fields() function.  If needed, a driver will
then have to replace these offsets.
TexStore and TexelFetch routines updated to use offsets array.
This commit is contained in:
Brian Paul
2006-05-20 16:19:48 +00:00
parent 226d0187b5
commit b0b6d1abe5
10 changed files with 459 additions and 481 deletions
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26
src/mesa/main/texcompress_s3tc.c
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@@ -88,7 +88,7 @@ _mesa_init_texture_s3tc( GLcontext *ctx )
dxtlibhandle = dlopen (DXTN_EXT, RTLD_LAZY | RTLD_GLOBAL);
if (!dxtlibhandle) {
_mesa_warning(ctx, "couldn't open " DXTN_EXT ", software DXTn "
"compression/decompression unavailable\n");
"compression/decompression unavailable");
}
else {
/* the fetch functions are not per context! Might be problematic... */
@@ -109,7 +109,7 @@ _mesa_init_texture_s3tc( GLcontext *ctx )
if (ext_tx_compress_dxtn == NULL) {
_mesa_warning(ctx, "couldn't reference all symbols in "
DXTN_EXT ", software DXTn compression/decompression "
"unavailable\n");
"unavailable");
fetch_ext_rgb_dxt1 = NULL;
fetch_ext_rgba_dxt1 = NULL;
fetch_ext_rgba_dxt3 = NULL;
@@ -122,7 +122,7 @@ _mesa_init_texture_s3tc( GLcontext *ctx )
}
if (dxtlibhandle) {
ctx->Mesa_DXTn = GL_TRUE;
_mesa_warning(ctx, "software DXTn compression/decompression available\n");
_mesa_warning(ctx, "software DXTn compression/decompression available");
}
#else
(void) ctx;
@@ -133,7 +133,7 @@ _mesa_init_texture_s3tc( GLcontext *ctx )
* Called via TexFormat->StoreImage to store an RGB_DXT1 texture.
*/
static GLboolean
texstore_rgb_dxt1(STORE_PARAMS)
texstore_rgb_dxt1(TEXSTORE_PARAMS)
{
const GLchan *pixels;
GLint srcRowStride;
@@ -145,7 +145,8 @@ texstore_rgb_dxt1(STORE_PARAMS)
ASSERT(dstXoffset % 4 == 0);
ASSERT(dstYoffset % 4 == 0);
ASSERT(dstZoffset % 4 == 0);
(void) dstZoffset; (void) dstImageStride;
(void) dstZoffset;
(void) dstImageOffsets;
if (srcFormat != GL_RGB ||
srcType != CHAN_TYPE ||
@@ -195,7 +196,7 @@ texstore_rgb_dxt1(STORE_PARAMS)
* Called via TexFormat->StoreImage to store an RGBA_DXT1 texture.
*/
static GLboolean
texstore_rgba_dxt1(STORE_PARAMS)
texstore_rgba_dxt1(TEXSTORE_PARAMS)
{
const GLchan *pixels;
GLint srcRowStride;
@@ -207,7 +208,8 @@ texstore_rgba_dxt1(STORE_PARAMS)
ASSERT(dstXoffset % 4 == 0);
ASSERT(dstYoffset % 4 == 0);
ASSERT(dstZoffset % 4 == 0);
(void) dstZoffset; (void) dstImageStride;
(void) dstZoffset;
(void) dstImageOffsets;
if (srcFormat != GL_RGBA ||
srcType != CHAN_TYPE ||
@@ -256,7 +258,7 @@ texstore_rgba_dxt1(STORE_PARAMS)
* Called via TexFormat->StoreImage to store an RGBA_DXT3 texture.
*/
static GLboolean
texstore_rgba_dxt3(STORE_PARAMS)
texstore_rgba_dxt3(TEXSTORE_PARAMS)
{
const GLchan *pixels;
GLint srcRowStride;
@@ -268,7 +270,8 @@ texstore_rgba_dxt3(STORE_PARAMS)
ASSERT(dstXoffset % 4 == 0);
ASSERT(dstYoffset % 4 == 0);
ASSERT(dstZoffset % 4 == 0);
(void) dstZoffset; (void) dstImageStride;
(void) dstZoffset;
(void) dstImageOffsets;
if (srcFormat != GL_RGBA ||
srcType != CHAN_TYPE ||
@@ -316,7 +319,7 @@ texstore_rgba_dxt3(STORE_PARAMS)
* Called via TexFormat->StoreImage to store an RGBA_DXT5 texture.
*/
static GLboolean
texstore_rgba_dxt5(STORE_PARAMS)
texstore_rgba_dxt5(TEXSTORE_PARAMS)
{
const GLchan *pixels;
GLint srcRowStride;
@@ -328,7 +331,8 @@ texstore_rgba_dxt5(STORE_PARAMS)
ASSERT(dstXoffset % 4 == 0);
ASSERT(dstYoffset % 4 == 0);
ASSERT(dstZoffset % 4 == 0);
(void) dstZoffset; (void) dstImageStride;
(void) dstZoffset;
(void) dstImageOffsets;
if (srcFormat != GL_RGBA ||
srcType != CHAN_TYPE ||