Mesa (7.9): i915: Disallow alpha, red, RG, and sRGB as render targets

[Ian Romanick]

Module: Mesa
Branch: 7.9
Commit: 1cfd517b15fb4d75e6dd83fb11533767f9fd3c55
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=1cfd517b15fb4d75e6dd83fb11533767f9fd3c55

Author: Ian Romanick <ian.d.romanick at intel.com>
Date:   Wed Dec 15 15:11:01 2010 -0800

i915: Disallow alpha, red, RG, and sRGB as render targets

Fixes bugzilla #31832

NOTE: This is a candidate for the 7.9 branch.
(cherry picked from commit 78a340fd487c56468ace7347a53f95a0c751c419)

---

 src/mesa/drivers/dri/intel/intel_fbo.c |    8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)

diff --git a/src/mesa/drivers/dri/intel/intel_fbo.c b/src/mesa/drivers/dri/intel/intel_fbo.c
index 39d9eab..1761385 100644
--- a/src/mesa/drivers/dri/intel/intel_fbo.c
+++ b/src/mesa/drivers/dri/intel/intel_fbo.c
@@ -439,10 +439,12 @@ intel_update_wrapper(GLcontext *ctx, struct intel_renderbuffer *irb,
       irb->Base.DataType = GL_UNSIGNED_BYTE;
       DBG("Render to XGBA8 texture OK\n");
    }
+#ifndef I915
    else if (texImage->TexFormat == MESA_FORMAT_SARGB8) {
       irb->Base.DataType = GL_UNSIGNED_BYTE;
       DBG("Render to SARGB8 texture OK\n");
    }
+#endif
    else if (texImage->TexFormat == MESA_FORMAT_RGB565) {
       irb->Base.DataType = GL_UNSIGNED_BYTE;
       DBG("Render to RGB5 texture OK\n");
@@ -455,10 +457,12 @@ intel_update_wrapper(GLcontext *ctx, struct intel_renderbuffer *irb,
       irb->Base.DataType = GL_UNSIGNED_BYTE;
       DBG("Render to ARGB4444 texture OK\n");
    }
+#ifndef I915
    else if (texImage->TexFormat == MESA_FORMAT_A8) {
       irb->Base.DataType = GL_UNSIGNED_BYTE;
       DBG("Render to A8 texture OK\n");
    }
+#endif
    else if (texImage->TexFormat == MESA_FORMAT_Z16) {
       irb->Base.DataType = GL_UNSIGNED_SHORT;
       DBG("Render to DEPTH16 texture OK\n");
@@ -665,11 +669,13 @@ intel_validate_framebuffer(GLcontext *ctx, struct gl_framebuffer *fb)
       switch (irb->Base.Format) {
       case MESA_FORMAT_ARGB8888:
       case MESA_FORMAT_XRGB8888:
-      case MESA_FORMAT_SARGB8:
       case MESA_FORMAT_RGB565:
       case MESA_FORMAT_ARGB1555:
       case MESA_FORMAT_ARGB4444:
+#ifndef I915
+      case MESA_FORMAT_SARGB8:
       case MESA_FORMAT_A8:
+#endif
 	 break;
       default:
 	 fb->_Status = GL_FRAMEBUFFER_UNSUPPORTED_EXT;