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ARB_texture_rg: Allow RED and RG textures as FBO color buffer attachments

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This commit is contained in:
Ian Romanick
2010-09-30 16:30:09 -07:00
parent 5d1387b2da
commit 421f4d8dc1
1 changed files with 8 additions and 2 deletions
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10
src/mesa/main/fbobject.c
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@@ -451,7 +451,11 @@ test_attachment_completeness(const GLcontext *ctx, GLenum format,
if (baseFormat != GL_RGB &&
baseFormat != GL_RGBA &&
(!ctx->Extensions.ARB_framebuffer_object ||
baseFormat != GL_ALPHA)) {
baseFormat != GL_ALPHA) &&
(!ctx->Extensions.ARB_texture_rg ||
baseFormat != GL_RED) &&
(!ctx->Extensions.ARB_texture_rg ||
baseFormat != GL_RG)) {
att_incomplete("bad format");
att->Complete = GL_FALSE;
return;
@@ -631,7 +635,9 @@ _mesa_test_framebuffer_completeness(GLcontext *ctx, struct gl_framebuffer *fb)
numImages++;
if (f != GL_RGB && f != GL_RGBA && f != GL_DEPTH_COMPONENT
&& f != GL_DEPTH_STENCIL_EXT
&& (!ctx->Extensions.ARB_framebuffer_object || f != GL_ALPHA)) {
&& (!ctx->Extensions.ARB_framebuffer_object || f != GL_ALPHA)
&& (!ctx->Extensions.ARB_texture_rg || f != GL_RED)
&& (!ctx->Extensions.ARB_texture_rg || f != GL_RG)) {
fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT;
fbo_incomplete("texture attachment incomplete", -1);
return;