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Added big-endian texture formats.

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Moved CI->RGBA palette lookup into texel fetch function.
This commit is contained in:
Brian Paul
2004-05-12 01:50:30 +00:00
parent 939f6a724e
commit a156b49800
9 changed files with 1057 additions and 548 deletions
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43
src/mesa/main/teximage.c
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@@ -502,7 +502,7 @@ _mesa_set_tex_image(struct gl_texture_object *tObj,
case GL_TEXTURE_2D:
case GL_TEXTURE_3D:
tObj->Image[0][level] = texImage;
return;
break;
case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB:
case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB:
case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB:
@@ -517,11 +517,13 @@ _mesa_set_tex_image(struct gl_texture_object *tObj,
case GL_TEXTURE_RECTANGLE_NV:
ASSERT(level == 0);
tObj->Image[0][level] = texImage;
return;
break;
default:
_mesa_problem(NULL, "bad target in _mesa_set_tex_image()");
return;
}
/* Set the 'back' pointer */
texImage->TexObject = tObj;
}
@@ -757,6 +759,8 @@ _mesa_get_proxy_tex_image(GLcontext *ctx, GLenum target, GLint level)
return NULL;
}
ctx->Texture.Proxy1D->Image[0][level] = texImage;
/* Set the 'back' pointer */
texImage->TexObject = ctx->Texture.Proxy1D;
}
return texImage;
case GL_PROXY_TEXTURE_2D:
@@ -770,6 +774,8 @@ _mesa_get_proxy_tex_image(GLcontext *ctx, GLenum target, GLint level)
return NULL;
}
ctx->Texture.Proxy2D->Image[0][level] = texImage;
/* Set the 'back' pointer */
texImage->TexObject = ctx->Texture.Proxy2D;
}
return texImage;
case GL_PROXY_TEXTURE_3D:
@@ -783,6 +789,8 @@ _mesa_get_proxy_tex_image(GLcontext *ctx, GLenum target, GLint level)
return NULL;
}
ctx->Texture.Proxy3D->Image[0][level] = texImage;
/* Set the 'back' pointer */
texImage->TexObject = ctx->Texture.Proxy3D;
}
return texImage;
case GL_PROXY_TEXTURE_CUBE_MAP:
@@ -796,6 +804,8 @@ _mesa_get_proxy_tex_image(GLcontext *ctx, GLenum target, GLint level)
return NULL;
}
ctx->Texture.ProxyCubeMap->Image[0][level] = texImage;
/* Set the 'back' pointer */
texImage->TexObject = ctx->Texture.ProxyCubeMap;
}
return texImage;
case GL_PROXY_TEXTURE_RECTANGLE_NV:
@@ -809,6 +819,8 @@ _mesa_get_proxy_tex_image(GLcontext *ctx, GLenum target, GLint level)
return NULL;
}
ctx->Texture.ProxyRect->Image[0][level] = texImage;
/* Set the 'back' pointer */
texImage->TexObject = ctx->Texture.ProxyRect;
}
return texImage;
default:
@@ -1922,8 +1934,6 @@ _mesa_GetTexImage( GLenum target, GLint level, GLenum format,
return;
}
{
const GLint width = texImage->Width;
const GLint height = texImage->Height;
@@ -1940,10 +1950,25 @@ _mesa_GetTexImage( GLenum target, GLint level, GLenum format,
if (format == GL_COLOR_INDEX) {
GLuint indexRow[MAX_WIDTH];
GLint col;
for (col = 0; col < width; col++) {
GLchan indx;
(*texImage->FetchTexelc)(texImage, col, row, img, &indx);
indexRow[col] = indx;
/* Can't use FetchTexel here because that returns RGBA */
if (texImage->TexFormat->IndexBits == 8) {
const GLubyte *src = (const GLubyte *) texImage->Data;
for (col = 0; col < width; col++) {
indexRow[col] = src[texImage->Width *
(img * texImage->Height + row) + col];
}
}
else if (texImage->TexFormat->IndexBits == 16) {
const GLushort *src = (const GLushort *) texImage->Data;
for (col = 0; col < width; col++) {
indexRow[col] = src[texImage->Width *
(img * texImage->Height + row) + col];
}
}
else {
_mesa_problem(ctx,
"Color index problem in _mesa_GetTexImage");
return;
}
_mesa_pack_index_span(ctx, width, type, dest,
indexRow, &ctx->Pack,
@@ -1954,7 +1979,7 @@ _mesa_GetTexImage( GLenum target, GLint level, GLenum format,
GLint col;
for (col = 0; col < width; col++) {
(*texImage->FetchTexelf)(texImage, col, row, img,
(GLvoid *) &depthRow[col]);
depthRow + col);
}
_mesa_pack_depth_span(ctx, width, dest, type,
depthRow, &ctx->Pack);