From 2cfebffb491807a465a8e5f7daca582d8aefb829 Mon Sep 17 00:00:00 2001
From: marha <marha@users.sourceforge.net>
Date: Tue, 29 Nov 2011 12:25:28 +0100
Subject: mesa git update 29 nov 2011

---
 mesalib/src/mesa/main/image.c | 91 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 91 insertions(+)

(limited to 'mesalib/src/mesa/main/image.c')

diff --git a/mesalib/src/mesa/main/image.c b/mesalib/src/mesa/main/image.c
index ca31e53a8..9b9e83802 100644
--- a/mesalib/src/mesa/main/image.c
+++ b/mesalib/src/mesa/main/image.c
@@ -243,12 +243,14 @@ _mesa_components_in_format( GLenum format )
       case GL_RGB:
       case GL_BGR:
       case GL_RGB_INTEGER_EXT:
+      case GL_BGR_INTEGER_EXT:
 	 return 3;
 
       case GL_RGBA:
       case GL_BGRA:
       case GL_ABGR_EXT:
       case GL_RGBA_INTEGER_EXT:
+      case GL_BGRA_INTEGER_EXT:
          return 4;
 
       default:
@@ -814,6 +816,7 @@ _mesa_is_color_format(GLenum format)
       case GL_INTENSITY16_SNORM:
       case GL_RGB9_E5:
       case GL_R11F_G11F_B10F:
+      case GL_RGB10_A2UI:
          return GL_TRUE;
       case GL_YCBCR_MESA:  /* not considered to be RGB */
          /* fall-through */
@@ -1000,6 +1003,7 @@ _mesa_is_integer_format(GLenum format)
    case GL_INTENSITY8I_EXT:
    case GL_LUMINANCE8I_EXT:
    case GL_LUMINANCE_ALPHA8I_EXT:
+   case GL_RGB10_A2UI:
       return GL_TRUE;
    default:
       return GL_FALSE;
@@ -1066,6 +1070,93 @@ _mesa_is_compressed_format(struct gl_context *ctx, GLenum format)
 }
 
 
+/**
+ * Does the given base texture/renderbuffer format have the channel
+ * named by 'pname'?
+ */
+GLboolean
+_mesa_base_format_has_channel(GLenum base_format, GLenum pname)
+{
+   switch (pname) {
+   case GL_TEXTURE_RED_SIZE:
+   case GL_TEXTURE_RED_TYPE:
+   case GL_RENDERBUFFER_RED_SIZE_EXT:
+   case GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE:
+      if (base_format == GL_RED ||
+	  base_format == GL_RG ||
+	  base_format == GL_RGB ||
+	  base_format == GL_RGBA) {
+	 return GL_TRUE;
+      }
+      return GL_FALSE;
+   case GL_TEXTURE_GREEN_SIZE:
+   case GL_TEXTURE_GREEN_TYPE:
+   case GL_RENDERBUFFER_GREEN_SIZE_EXT:
+   case GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE:
+      if (base_format == GL_RG ||
+	  base_format == GL_RGB ||
+	  base_format == GL_RGBA) {
+	 return GL_TRUE;
+      }
+      return GL_FALSE;
+   case GL_TEXTURE_BLUE_SIZE:
+   case GL_TEXTURE_BLUE_TYPE:
+   case GL_RENDERBUFFER_BLUE_SIZE_EXT:
+   case GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE:
+      if (base_format == GL_RGB ||
+	  base_format == GL_RGBA) {
+	 return GL_TRUE;
+      }
+      return GL_FALSE;
+   case GL_TEXTURE_ALPHA_SIZE:
+   case GL_TEXTURE_ALPHA_TYPE:
+   case GL_RENDERBUFFER_ALPHA_SIZE_EXT:
+   case GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE:
+      if (base_format == GL_RGBA ||
+	  base_format == GL_ALPHA ||
+	  base_format == GL_LUMINANCE_ALPHA) {
+	 return GL_TRUE;
+      }
+      return GL_FALSE;
+   case GL_TEXTURE_LUMINANCE_SIZE:
+   case GL_TEXTURE_LUMINANCE_TYPE:
+      if (base_format == GL_LUMINANCE ||
+	  base_format == GL_LUMINANCE_ALPHA) {
+	 return GL_TRUE;
+      }
+      return GL_FALSE;
+   case GL_TEXTURE_INTENSITY_SIZE:
+   case GL_TEXTURE_INTENSITY_TYPE:
+      if (base_format == GL_INTENSITY) {
+	 return GL_TRUE;
+      }
+      return GL_FALSE;
+   case GL_TEXTURE_DEPTH_SIZE:
+   case GL_TEXTURE_DEPTH_TYPE:
+   case GL_RENDERBUFFER_DEPTH_SIZE_EXT:
+   case GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE:
+      if (base_format == GL_DEPTH_STENCIL ||
+	  base_format == GL_DEPTH_COMPONENT) {
+	 return GL_TRUE;
+      }
+      return GL_FALSE;
+   case GL_RENDERBUFFER_STENCIL_SIZE_EXT:
+   case GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE:
+      if (base_format == GL_DEPTH_STENCIL ||
+	  base_format == GL_STENCIL_INDEX) {
+	 return GL_TRUE;
+      }
+      return GL_FALSE;
+   default:
+      _mesa_warning(NULL, "%s: Unexpected channel token 0x%x\n",
+		    __FUNCTION__, pname);
+      return GL_FALSE;
+   }
+
+   return GL_FALSE;
+}
+
+
 /**
  * Return the address of a specific pixel in an image (1D, 2D or 3D).
  *
-- 
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