Mesa (mesa_7_7_branch): r600: fail to validate unsupported texture formats

[Alex Deucher]

Module: Mesa
Branch: mesa_7_7_branch
Commit: 2edb1b95346575eb260cfc329a973ab0e0a18796
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=2edb1b95346575eb260cfc329a973ab0e0a18796

Author: Klaus Schnass <klaus.schnass at student.tuwien.ac.at>
Date:   Fri Feb 26 15:39:17 2010 -0500

r600: fail to validate unsupported texture formats

---

 src/mesa/drivers/dri/r600/r600_texstate.c |   28 ++++++++++++----------------
 1 files changed, 12 insertions(+), 16 deletions(-)

diff --git a/src/mesa/drivers/dri/r600/r600_texstate.c b/src/mesa/drivers/dri/r600/r600_texstate.c
index 8fdca0b..1881081 100644
--- a/src/mesa/drivers/dri/r600/r600_texstate.c
+++ b/src/mesa/drivers/dri/r600/r600_texstate.c
@@ -374,17 +374,11 @@ static GLboolean r600GetTexFormat(struct gl_texture_object *tObj, gl_format mesa
 		  break;
 		*/
 	case MESA_FORMAT_RGB_DXT1: /* not supported yet */
-
-		break;
 	case MESA_FORMAT_RGBA_DXT1: /* not supported yet */
-
-		break;
 	case MESA_FORMAT_RGBA_DXT3: /* not supported yet */
-
-		break;
 	case MESA_FORMAT_RGBA_DXT5: /* not supported yet */
+	        return GL_FALSE;
 
-		break;
 	case MESA_FORMAT_RGBA_FLOAT32:
 		SETfield(t->SQ_TEX_RESOURCE1, FMT_32_32_32_32_FLOAT,
 			 SQ_TEX_RESOURCE_WORD1_0__DATA_FORMAT_shift, SQ_TEX_RESOURCE_WORD1_0__DATA_FORMAT_mask);
@@ -671,8 +665,8 @@ void r600SetDepthTexMode(struct gl_texture_object *tObj)
 
 	t = radeon_tex_obj(tObj);
 
-	r600GetTexFormat(tObj, tObj->Image[0][tObj->BaseLevel]->TexFormat);
-
+	if(!r600GetTexFormat(tObj, tObj->Image[0][tObj->BaseLevel]->TexFormat))
+	  t->validated = GL_FALSE;
 }
 
 /**
@@ -681,7 +675,7 @@ void r600SetDepthTexMode(struct gl_texture_object *tObj)
  * \param rmesa Context pointer
  * \param t the r300 texture object
  */
-static void setup_hardware_state(context_t *rmesa, struct gl_texture_object *texObj)
+static GLboolean setup_hardware_state(context_t *rmesa, struct gl_texture_object *texObj)
 {
 	radeonTexObj *t = radeon_tex_obj(texObj);
 	const struct gl_texture_image *firstImage;
@@ -690,15 +684,15 @@ static void setup_hardware_state(context_t *rmesa, struct gl_texture_object *tex
 	if (rmesa->radeon.radeonScreen->driScreen->dri2.enabled &&
 	    t->image_override &&
 	    t->bo)
-		return;
+		return GL_TRUE;
 
 	firstImage = t->base.Image[0][t->minLod];
 
 	if (!t->image_override) {
 		if (!r600GetTexFormat(texObj, firstImage->TexFormat)) {
-			radeon_error("unexpected texture format in %s\n",
-				      __FUNCTION__);
-			return;
+			radeon_warning("unsupported texture format in %s\n",
+				       __FUNCTION__);
+			return GL_FALSE;
 		}
 	}
 
@@ -723,7 +717,7 @@ static void setup_hardware_state(context_t *rmesa, struct gl_texture_object *tex
 		break;
         default:
 		radeon_error("unexpected texture target type in %s\n", __FUNCTION__);
-		return;
+		return GL_FALSE;
 	}
 
 	row_align = rmesa->radeon.texture_row_align - 1;
@@ -749,6 +743,7 @@ static void setup_hardware_state(context_t *rmesa, struct gl_texture_object *tex
 		SETfield(t->SQ_TEX_RESOURCE4, 0, BASE_LEVEL_shift, BASE_LEVEL_mask);
 		SETfield(t->SQ_TEX_RESOURCE5, t->maxLod - t->minLod, LAST_LEVEL_shift, LAST_LEVEL_mask);
 	}
+	return GL_TRUE;
 }
 
 /**
@@ -766,7 +761,8 @@ static GLboolean r600_validate_texture(GLcontext * ctx, struct gl_texture_object
 
 	/* Configure the hardware registers (more precisely, the cached version
 	 * of the hardware registers). */
-	setup_hardware_state(rmesa, texObj);
+ 	if (!setup_hardware_state(rmesa, texObj))
+ 	        return GL_FALSE;
 
 	t->validated = GL_TRUE;
 	return GL_TRUE;