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mesa: fix glRead/DrawBuffer(GL_AUXn) error value

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If GL_AUX[123] are passed to glRead/DrawBuffer() when those buffers don't
exist, need to generate GL_INVALID_OPERATION, not GL_INVALID_ENUM.

This regression came from commit 555f0a8818
This commit is contained in:
Brian Paul 2009-03-12 14:14:58 -06:00
parent 29309b45b0
commit 363fc6d64f
1 changed files with 8 additions and 0 deletions
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8
src/mesa/main/buffers.c
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@ -119,6 +119,10 @@ draw_buffer_enum_to_bitmask(GLenum buffer)
return BUFFER_BIT_FRONT_LEFT;
case GL_AUX0:
return BUFFER_BIT_AUX0;
case GL_AUX1:
case GL_AUX2:
case GL_AUX3:
return 1 << BUFFER_COUNT; /* invalid, but not BAD_MASK */
case GL_COLOR_ATTACHMENT0_EXT:
return BUFFER_BIT_COLOR0;
case GL_COLOR_ATTACHMENT1_EXT:
@ -170,6 +174,10 @@ read_buffer_enum_to_index(GLenum buffer)
return BUFFER_FRONT_LEFT;
case GL_AUX0:
return BUFFER_AUX0;
case GL_AUX1:
case GL_AUX2:
case GL_AUX3:
return BUFFER_COUNT; /* invalid, but not -1 */
case GL_COLOR_ATTACHMENT0_EXT:
return BUFFER_COLOR0;
case GL_COLOR_ATTACHMENT1_EXT: