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additional error checking for GL_EXT_packed_depth_stencil

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This commit is contained in:
Brian Paul 2005-10-01 16:05:30 +00:00
parent cef88397a6
commit 0899afae33
1 changed files with 50 additions and 13 deletions
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63
src/mesa/main/teximage.c
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@ -1687,8 +1687,9 @@ copytexture_error_check( GLcontext *ctx, GLuint dimensions,
GLenum target, GLint level, GLint internalFormat,
GLint width, GLint height, GLint border )
{
GLenum format, type;
GLenum type;
GLboolean sizeOK;
GLint format;
/* Basic level check (more checking in ctx->Driver.TestProxyTexImage) */
if (level < 0 || level >= MAX_TEXTURE_LEVELS) {
@ -1704,10 +1705,16 @@ copytexture_error_check( GLcontext *ctx, GLuint dimensions,
return GL_TRUE;
}
/* The format and type aren't really significant here, but we need to pass
* something to TestProxyTexImage().
*/
format = _mesa_base_tex_format(ctx, internalFormat);
if (format < 0) {
_mesa_error(ctx, GL_INVALID_VALUE,
"glCopyTexImage%dD(internalFormat)", dimensions);
return GL_TRUE;
}
/* NOTE: the format and type aren't really significant for
* TestProxyTexImage(). Only the internalformat really matters.
*/
type = GL_FLOAT;
/* Check target and call ctx->Driver.TestProxyTexImage() to check the
@ -1777,12 +1784,6 @@ copytexture_error_check( GLcontext *ctx, GLuint dimensions,
return GL_TRUE;
}
if (_mesa_base_tex_format(ctx, internalFormat) < 0) {
_mesa_error(ctx, GL_INVALID_VALUE,
"glCopyTexImage%dD(internalFormat)", dimensions);
return GL_TRUE;
}
if (is_compressed_format(ctx, internalFormat)) {
if (target != GL_TEXTURE_2D) {
_mesa_error(ctx, GL_INVALID_ENUM,
@ -1795,6 +1796,23 @@ copytexture_error_check( GLcontext *ctx, GLuint dimensions,
return GL_TRUE;
}
}
else if (is_depth_format(internalFormat)) {
/* make sure we have depth/stencil buffers */
if (!ctx->ReadBuffer->Attachment[BUFFER_DEPTH].Renderbuffer) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glCopyTexImage%D(no depth)", dimensions);
return GL_TRUE;
}
}
else if (is_depthstencil_format(internalFormat)) {
/* make sure we have depth/stencil buffers */
if (!ctx->ReadBuffer->Attachment[BUFFER_DEPTH].Renderbuffer ||
!ctx->ReadBuffer->Attachment[BUFFER_STENCIL].Renderbuffer) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glCopyTexImage%D(no depth/stencil buffer)", dimensions);
return GL_TRUE;
}
}
/* if we get here, the parameters are OK */
return GL_FALSE;
@ -1956,6 +1974,24 @@ copytexsubimage_error_check( GLcontext *ctx, GLuint dimensions,
return GL_TRUE;
}
if (teximage->Format == GL_DEPTH_COMPONENT) {
if (!ctx->ReadBuffer->Attachment[BUFFER_DEPTH].Renderbuffer) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glCopyTexSubImage%D(no depth buffer)",
dimensions);
return GL_TRUE;
}
}
else if (teximage->Format == GL_DEPTH_STENCIL_EXT) {
if (!ctx->ReadBuffer->Attachment[BUFFER_DEPTH].Renderbuffer ||
!ctx->ReadBuffer->Attachment[BUFFER_STENCIL].Renderbuffer) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glCopyTexSubImage%D(no depth/stencil buffer)",
dimensions);
return GL_TRUE;
}
}
/* if we get here, the parameters are OK */
return GL_FALSE;
}
@ -2035,8 +2071,8 @@ _mesa_GetTexImage( GLenum target, GLint level, GLenum format,
}
/* Make sure the requested image format is compatible with the
* texture's format. We let the colorformat-indexformat go through,
* because the texelfetcher will dequantize to full rgba.
* texture's format. Note that a color index texture can be converted
* to RGBA so that combo is allowed.
*/
if (is_color_format(format)
&& !is_color_format(texImage->TexFormat->BaseFormat)
@ -2050,7 +2086,8 @@ _mesa_GetTexImage( GLenum target, GLint level, GLenum format,
return;
}
else if (is_depth_format(format)
&& !is_depth_format(texImage->TexFormat->BaseFormat)) {
&& !is_depth_format(texImage->TexFormat->BaseFormat)
&& !is_depthstencil_format(texImage->TexFormat->BaseFormat)) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)");
return;
}