Mesa (master): mesa: implement glGet queries for GL_ARB_draw_buffers_blend

[Brian Paul]

Module: Mesa
Branch: master
Commit: b3ca11059433c3eb807815c15fd41a561d3d8126
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=b3ca11059433c3eb807815c15fd41a561d3d8126

Author: Brian Paul <brianp at vmware.com>
Date:   Wed Jan 12 08:08:22 2011 -0700

mesa: implement glGet queries for GL_ARB_draw_buffers_blend

---

 src/mesa/main/get.c |   47 +++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 47 insertions(+), 0 deletions(-)

diff --git a/src/mesa/main/get.c b/src/mesa/main/get.c
index 6f47eca..e223cf4 100644
--- a/src/mesa/main/get.c
+++ b/src/mesa/main/get.c
@@ -2271,6 +2271,53 @@ find_value_indexed(const char *func, GLenum pname, int index, union value *v)
       v->value_int = (ctx->Color.BlendEnabled >> index) & 1;
       return TYPE_INT;
 
+   case GL_BLEND_SRC:
+      /* fall-through */
+   case GL_BLEND_SRC_RGB:
+      if (index >= ctx->Const.MaxDrawBuffers)
+	 goto invalid_value;
+      if (!ctx->Extensions.ARB_draw_buffers_blend)
+	 goto invalid_enum;
+      v->value_int = ctx->Color.Blend[index].SrcRGB;
+      return TYPE_INT;
+   case GL_BLEND_SRC_ALPHA:
+      if (index >= ctx->Const.MaxDrawBuffers)
+	 goto invalid_value;
+      if (!ctx->Extensions.ARB_draw_buffers_blend)
+	 goto invalid_enum;
+      v->value_int = ctx->Color.Blend[index].SrcA;
+      return TYPE_INT;
+   case GL_BLEND_DST:
+      /* fall-through */
+   case GL_BLEND_DST_RGB:
+      if (index >= ctx->Const.MaxDrawBuffers)
+	 goto invalid_value;
+      if (!ctx->Extensions.ARB_draw_buffers_blend)
+	 goto invalid_enum;
+      v->value_int = ctx->Color.Blend[index].DstRGB;
+      return TYPE_INT;
+   case GL_BLEND_DST_ALPHA:
+      if (index >= ctx->Const.MaxDrawBuffers)
+	 goto invalid_value;
+      if (!ctx->Extensions.ARB_draw_buffers_blend)
+	 goto invalid_enum;
+      v->value_int = ctx->Color.Blend[index].DstA;
+      return TYPE_INT;
+   case GL_BLEND_EQUATION_RGB:
+      if (index >= ctx->Const.MaxDrawBuffers)
+	 goto invalid_value;
+      if (!ctx->Extensions.ARB_draw_buffers_blend)
+	 goto invalid_enum;
+      v->value_int = ctx->Color.Blend[index].EquationRGB;
+      return TYPE_INT;
+   case GL_BLEND_EQUATION_ALPHA:
+      if (index >= ctx->Const.MaxDrawBuffers)
+	 goto invalid_value;
+      if (!ctx->Extensions.ARB_draw_buffers_blend)
+	 goto invalid_enum;
+      v->value_int = ctx->Color.Blend[index].EquationA;
+      return TYPE_INT;
+
    case GL_COLOR_WRITEMASK:
       if (index >= ctx->Const.MaxDrawBuffers)
 	 goto invalid_value;