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Diffstat (limited to 'mesalib/src/mesa/main/teximage.c')
-rw-r--r--mesalib/src/mesa/main/teximage.c22
1 files changed, 12 insertions, 10 deletions
diff --git a/mesalib/src/mesa/main/teximage.c b/mesalib/src/mesa/main/teximage.c
index 7d996da47..4042e7969 100644
--- a/mesalib/src/mesa/main/teximage.c
+++ b/mesalib/src/mesa/main/teximage.c
@@ -3495,19 +3495,21 @@ copyteximage(struct gl_context *ctx, GLuint dims,
_mesa_init_teximage_fields(ctx, texImage, width, height, 1,
border, internalFormat, texFormat);
- /* Allocate texture memory (no pixel data yet) */
- ctx->Driver.AllocTextureImageBuffer(ctx, texImage);
+ if (width && height) {
+ /* Allocate texture memory (no pixel data yet) */
+ ctx->Driver.AllocTextureImageBuffer(ctx, texImage);
- if (_mesa_clip_copytexsubimage(ctx, &dstX, &dstY, &srcX, &srcY,
- &width, &height)) {
- struct gl_renderbuffer *srcRb =
- get_copy_tex_image_source(ctx, texImage->TexFormat);
+ if (_mesa_clip_copytexsubimage(ctx, &dstX, &dstY, &srcX, &srcY,
+ &width, &height)) {
+ struct gl_renderbuffer *srcRb =
+ get_copy_tex_image_source(ctx, texImage->TexFormat);
- ctx->Driver.CopyTexSubImage(ctx, dims, texImage, dstX, dstY, dstZ,
- srcRb, srcX, srcY, width, height);
- }
+ ctx->Driver.CopyTexSubImage(ctx, dims, texImage, dstX, dstY, dstZ,
+ srcRb, srcX, srcY, width, height);
+ }
- check_gen_mipmap(ctx, target, texObj, level);
+ check_gen_mipmap(ctx, target, texObj, level);
+ }
_mesa_update_fbo_texture(ctx, texObj, face, level);