diff options
Diffstat (limited to 'src/mesa/main')
| -rw-r--r-- | src/mesa/main/dd.h | 42 | ||||
| -rw-r--r-- | src/mesa/main/teximage.c | 46 |
2 files changed, 57 insertions, 31 deletions
diff --git a/src/mesa/main/dd.h b/src/mesa/main/dd.h index 6707e785dc7..24f3d4ca577 100644 --- a/src/mesa/main/dd.h +++ b/src/mesa/main/dd.h @@ -283,31 +283,33 @@ struct dd_function_table { struct gl_texture_image *texImage ); /** - * Called by glCopyTexSubImage1D(). - * - * Drivers should use a fallback routine from texstore.c if needed. + * Called by glCopyTexSubImage1D() and glCopyTexImage1D(). */ - void (*CopyTexSubImage1D)( struct gl_context *ctx, GLenum target, GLint level, - GLint xoffset, - GLint x, GLint y, GLsizei width ); + void (*CopyTexSubImage1D)(struct gl_context *ctx, + struct gl_texture_image *texImage, + GLint xoffset, + struct gl_renderbuffer *rb, + GLint x, GLint y, GLsizei width); + /** - * Called by glCopyTexSubImage2D(). - * - * Drivers should use a fallback routine from texstore.c if needed. + * Called by glCopyTexSubImage2D() and glCopyTexImage2D(). */ - void (*CopyTexSubImage2D)( struct gl_context *ctx, GLenum target, GLint level, - GLint xoffset, GLint yoffset, - GLint x, GLint y, - GLsizei width, GLsizei height ); + void (*CopyTexSubImage2D)(struct gl_context *ctx, + struct gl_texture_image *texImage, + GLint xoffset, GLint yoffset, + struct gl_renderbuffer *rb, + GLint x, GLint y, + GLsizei width, GLsizei height); + /** - * Called by glCopyTexSubImage3D(). - * - * Drivers should use a fallback routine from texstore.c if needed. + * Called by glCopyTexSubImage3D() and glCopyTexImage3D(). */ - void (*CopyTexSubImage3D)( struct gl_context *ctx, GLenum target, GLint level, - GLint xoffset, GLint yoffset, GLint zoffset, - GLint x, GLint y, - GLsizei width, GLsizei height ); + void (*CopyTexSubImage3D)(struct gl_context *ctx, + struct gl_texture_image *texImage, + GLint xoffset, GLint yoffset, GLint zoffset, + struct gl_renderbuffer *rb, + GLint x, GLint y, + GLsizei width, GLsizei height); /** * Called by glGenerateMipmap() or when GL_GENERATE_MIPMAP_SGIS is enabled. diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c index 6dd70b96c3a..9475e84f52d 100644 --- a/src/mesa/main/teximage.c +++ b/src/mesa/main/teximage.c @@ -2752,6 +2752,25 @@ _mesa_TexSubImage3D( GLenum target, GLint level, /** + * For glCopyTexSubImage, return the source renderbuffer to copy texel data + * from. This depends on whether the texture contains color or depth values. + */ +static struct gl_renderbuffer * +get_copy_tex_image_source(struct gl_context *ctx, gl_format texFormat) +{ + if (_mesa_get_format_bits(texFormat, GL_DEPTH_BITS) > 0) { + /* reading from depth/stencil buffer */ + return ctx->ReadBuffer->Attachment[BUFFER_DEPTH].Renderbuffer; + } + else { + /* copying from color buffer */ + return ctx->ReadBuffer->_ColorReadBuffer; + } +} + + + +/** * Implement the glCopyTexImage1/2D() functions. */ static void @@ -2828,13 +2847,16 @@ copyteximage(struct gl_context *ctx, GLuint dims, if (_mesa_clip_copytexsubimage(ctx, &dstX, &dstY, &srcX, &srcY, &width, &height)) { + struct gl_renderbuffer *srcRb = + get_copy_tex_image_source(ctx, texImage->TexFormat); + if (dims == 1) - ctx->Driver.CopyTexSubImage1D(ctx, target, level, dstX, - srcX, srcY, width); + ctx->Driver.CopyTexSubImage1D(ctx, texImage, dstX, + srcRb, srcX, srcY, width); else - ctx->Driver.CopyTexSubImage2D(ctx, target, level, dstX, dstY, - srcX, srcY, width, height); + ctx->Driver.CopyTexSubImage2D(ctx, texImage, dstX, dstY, + srcRb, srcX, srcY, width, height); } check_gen_mipmap(ctx, target, texObj, level); @@ -2930,20 +2952,22 @@ copytexsubimage(struct gl_context *ctx, GLuint dims, GLenum target, GLint level, if (_mesa_clip_copytexsubimage(ctx, &xoffset, &yoffset, &x, &y, &width, &height)) { + struct gl_renderbuffer *srcRb = + get_copy_tex_image_source(ctx, texImage->TexFormat); + switch (dims) { case 1: - ctx->Driver.CopyTexSubImage1D(ctx, target, level, - xoffset, x, y, width); + ctx->Driver.CopyTexSubImage1D(ctx, texImage, xoffset, + srcRb, x, y, width); break; case 2: - ctx->Driver.CopyTexSubImage2D(ctx, target, level, - xoffset, yoffset, - x, y, width, height); + ctx->Driver.CopyTexSubImage2D(ctx, texImage, xoffset, yoffset, + srcRb, x, y, width, height); break; case 3: - ctx->Driver.CopyTexSubImage3D(ctx, target, level, + ctx->Driver.CopyTexSubImage3D(ctx, texImage, xoffset, yoffset, zoffset, - x, y, width, height); + srcRb, x, y, width, height); break; default: _mesa_problem(ctx, "bad dims in copytexsubimage()"); |