mesa: added dispatch for GL_NV_conditional_render extension

[mesa.git] / src / mesa / main / attrib.c

diff --git a/src/mesa/main/attrib.c b/src/mesa/main/attrib.c
index 246c5521b7d9c83b8278deaa25a06223058049a4..f5b77e82a9d1398694edeae3bb97ab81319c6614 100644 (file)
--- a/src/mesa/main/attrib.c
+++ b/src/mesa/main/attrib.c
@@ -499,7 +499,17 @@ pop_enable_group(GLcontext *ctx, const struct gl_enable_attrib *enable)
        }
 
    TEST_AND_UPDATE(ctx->Color.AlphaEnabled, enable->AlphaTest, GL_ALPHA_TEST);
-   TEST_AND_UPDATE(ctx->Color.BlendEnabled, enable->Blend, GL_BLEND);
+   if (ctx->Color.BlendEnabled != enable->Blend) {
+      if (ctx->Extensions.EXT_draw_buffers2) {
+         GLuint i;
+         for (i = 0; i < ctx->Const.MaxDrawBuffers; i++) {
+            _mesa_set_enablei(ctx, GL_BLEND, i, (enable->Blend >> i) & 1);
+         }
+      }
+      else {
+         _mesa_set_enable(ctx, GL_BLEND, (enable->Blend & 1));
+      }
+   }
 
    for (i=0;i<MAX_CLIP_PLANES;i++) {
       const GLuint mask = 1 << i;
@@ -906,6 +916,7 @@ _mesa_PopAttrib(void)
          case GL_COLOR_BUFFER_BIT:
             {
                const struct gl_colorbuffer_attrib *color;
+
                color = (const struct gl_colorbuffer_attrib *) attr->data;
                _mesa_ClearIndex((GLfloat) color->ClearIndex);
                _mesa_ClearColor(color->ClearColor[0],
@@ -913,10 +924,22 @@ _mesa_PopAttrib(void)
                                 color->ClearColor[2],
                                 color->ClearColor[3]);
                _mesa_IndexMask(color->IndexMask);
-               _mesa_ColorMask((GLboolean) (color->ColorMask[0] != 0),
-                               (GLboolean) (color->ColorMask[1] != 0),
-                               (GLboolean) (color->ColorMask[2] != 0),
-                               (GLboolean) (color->ColorMask[3] != 0));
+               if (!ctx->Extensions.EXT_draw_buffers2) {
+                  _mesa_ColorMask((GLboolean) (color->ColorMask[0][0] != 0),
+                                  (GLboolean) (color->ColorMask[0][1] != 0),
+                                  (GLboolean) (color->ColorMask[0][2] != 0),
+                                  (GLboolean) (color->ColorMask[0][3] != 0));
+               }
+               else {
+                  GLuint i;
+                  for (i = 0; i < ctx->Const.MaxDrawBuffers; i++) {
+                     _mesa_ColorMaskIndexed(i, 
+                                  (GLboolean) (color->ColorMask[i][0] != 0),
+                                  (GLboolean) (color->ColorMask[i][1] != 0),
+                                  (GLboolean) (color->ColorMask[i][2] != 0),
+                                  (GLboolean) (color->ColorMask[i][3] != 0));
+                  }
+               }
                {
                   /* Need to determine if more than one color output is
                    * specified.  If so, call glDrawBuffersARB, else call
@@ -948,7 +971,18 @@ _mesa_PopAttrib(void)
                }
                _mesa_set_enable(ctx, GL_ALPHA_TEST, color->AlphaEnabled);
                _mesa_AlphaFunc(color->AlphaFunc, color->AlphaRef);
-               _mesa_set_enable(ctx, GL_BLEND, color->BlendEnabled);
+               if (ctx->Color.BlendEnabled != color->BlendEnabled) {
+                  if (ctx->Extensions.EXT_draw_buffers2) {
+                     GLuint i;
+                     for (i = 0; i < ctx->Const.MaxDrawBuffers; i++) {
+                        _mesa_set_enablei(ctx, GL_BLEND, i,
+                                          (color->BlendEnabled >> i) & 1);
+                     }
+                  }
+                  else {
+                     _mesa_set_enable(ctx, GL_BLEND, (color->BlendEnabled & 1));
+                  }
+               }
                _mesa_BlendFuncSeparateEXT(color->BlendSrcRGB,
                                           color->BlendDstRGB,
                                           color->BlendSrcA,