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mesa: reduce calls to _mesa_test_framebuffer_completeness()

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when doing glCopyTex[Sub]Image() and checking the source buffer's
completeness.
We only need to determine FBO completeness when the status is indeterminate.
This commit is contained in:
Brian Paul
2011-02-28 18:24:20 -07:00
parent ca1b551562
commit b0fceae22f
1 changed files with 6 additions and 2 deletions
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8
src/mesa/main/teximage.c
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@@ -1898,7 +1898,9 @@ copytexture_error_check( struct gl_context *ctx, GLuint dimensions,
/* Check that the source buffer is complete */
if (ctx->ReadBuffer->Name) {
_mesa_test_framebuffer_completeness(ctx, ctx->ReadBuffer);
if (ctx->ReadBuffer->_Status == 0) {
_mesa_test_framebuffer_completeness(ctx, ctx->ReadBuffer);
}
if (ctx->ReadBuffer->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) {
_mesa_error(ctx, GL_INVALID_FRAMEBUFFER_OPERATION_EXT,
"glCopyTexImage%dD(invalid readbuffer)", dimensions);
@@ -2000,7 +2002,9 @@ copytexsubimage_error_check1( struct gl_context *ctx, GLuint dimensions,
{
/* Check that the source buffer is complete */
if (ctx->ReadBuffer->Name) {
_mesa_test_framebuffer_completeness(ctx, ctx->ReadBuffer);
if (ctx->ReadBuffer->_Status == 0) {
_mesa_test_framebuffer_completeness(ctx, ctx->ReadBuffer);
}
if (ctx->ReadBuffer->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) {
_mesa_error(ctx, GL_INVALID_FRAMEBUFFER_OPERATION_EXT,
"glCopyTexImage%dD(invalid readbuffer)", dimensions);