diff options
Diffstat (limited to 'src/mesa/swrast/s_texture.c')
| -rw-r--r-- | src/mesa/swrast/s_texture.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/src/mesa/swrast/s_texture.c b/src/mesa/swrast/s_texture.c index 72d30930001..9718367a8df 100644 --- a/src/mesa/swrast/s_texture.c +++ b/src/mesa/swrast/s_texture.c @@ -96,6 +96,25 @@ _swrast_alloc_texture_image_buffer(struct gl_context *ctx, swImg->ImageOffsets[i] = i * width * height; } + _swrast_init_texture_image(texImage, width, height, depth); + + return GL_TRUE; +} + + +/** + * Code that overrides ctx->Driver.AllocTextureImageBuffer may use this to + * initialize the fields of swrast_texture_image without allocating the image + * buffer or initializing ImageOffsets or RowStride. + * + * Returns GL_TRUE on success, GL_FALSE on memory allocation failure. + */ +void +_swrast_init_texture_image(struct gl_texture_image *texImage, GLsizei width, + GLsizei height, GLsizei depth) +{ + struct swrast_texture_image *swImg = swrast_texture_image(texImage); + if ((width == 1 || _mesa_is_pow_two(texImage->Width2)) && (height == 1 || _mesa_is_pow_two(texImage->Height2)) && (depth == 1 || _mesa_is_pow_two(texImage->Depth2))) @@ -115,8 +134,6 @@ _swrast_alloc_texture_image_buffer(struct gl_context *ctx, swImg->HeightScale = (GLfloat) texImage->Height; swImg->DepthScale = (GLfloat) texImage->Depth; } - - return GL_TRUE; } |