mesa: Allow NULL read/draw in complete FBOs in ARB_ES2_compatibility.
From the ARB_ES2_compatibility spec: "(8) How should we handle draw buffer completeness? RESOLVED: Remove draw/readbuffer completeness checks, and treat drawbuffers referring to missing attachments as if they were NONE." Fixes arb_es2_compatibility-drawbuffers when the short-circuit for ARB_ES2_compatibility in the previous commit is dropped. Reviewed-by: Brian Paul <brianp@vmware.com>
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@ -795,7 +795,7 @@ _mesa_test_framebuffer_completeness(struct gl_context *ctx,
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#if FEATURE_GL
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#if FEATURE_GL
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if (ctx->API == API_OPENGL) {
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if (ctx->API == API_OPENGL && !ctx->Extensions.ARB_ES2_compatibility) {
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/* Check that all DrawBuffers are present */
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/* Check that all DrawBuffers are present */
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for (j = 0; j < ctx->Const.MaxDrawBuffers; j++) {
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for (j = 0; j < ctx->Const.MaxDrawBuffers; j++) {
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if (fb->ColorDrawBuffer[j] != GL_NONE) {
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if (fb->ColorDrawBuffer[j] != GL_NONE) {
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