From ee10e893cbd616da295dc46ca37ece664cd91d1a Mon Sep 17 00:00:00 2001 From: Anuj Phogat Date: Thu, 3 Apr 2014 18:29:52 -0700 Subject: [PATCH] mesa: Fix error condition for multisample proxy texture targets Fixes failures in Khronos OpenGL CTS test proxy_textures_invalid_samples Cc: Signed-off-by: Anuj Phogat Reviewed-by: Kenneth Graunke --- src/mesa/main/teximage.c | 16 +++++++++++++--- 1 file changed, 13 insertions(+), 3 deletions(-) diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c index 57a766f99f0..c7f301cbdd3 100644 --- a/src/mesa/main/teximage.c +++ b/src/mesa/main/teximage.c @@ -4374,7 +4374,7 @@ teximagemultisample(GLuint dims, GLenum target, GLsizei samples, { struct gl_texture_object *texObj; struct gl_texture_image *texImage; - GLboolean sizeOK, dimensionsOK; + GLboolean sizeOK, dimensionsOK, samplesOK; mesa_format texFormat; GLenum sample_count_error; @@ -4411,7 +4411,17 @@ teximagemultisample(GLuint dims, GLenum target, GLsizei samples, sample_count_error = _mesa_check_sample_count(ctx, target, internalformat, samples); - if (sample_count_error != GL_NO_ERROR) { + samplesOK = sample_count_error == GL_NO_ERROR; + + /* Page 254 of OpenGL 4.4 spec says: + * "Proxy arrays for two-dimensional multisample and two-dimensional + * multisample array textures are operated on in the same way when + * TexImage2DMultisample is called with target specified as + * PROXY_TEXTURE_2D_MULTISAMPLE, or TexImage3DMultisample is called + * with target specified as PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY. + * However, if samples is not supported, then no error is generated. + */ + if (!samplesOK && !_mesa_is_proxy_texture(target)) { _mesa_error(ctx, sample_count_error, "%s(samples)", func); return; } @@ -4443,7 +4453,7 @@ teximagemultisample(GLuint dims, GLenum target, GLsizei samples, width, height, depth, 0); if (_mesa_is_proxy_texture(target)) { - if (dimensionsOK && sizeOK) { + if (samplesOK && dimensionsOK && sizeOK) { init_teximage_fields_ms(ctx, texImage, width, height, depth, 0, internalformat, texFormat, samples, fixedsamplelocations); -- 2.30.2