Fix some issues with state updates and renderbuffers. Querying GL_RED_BITS,

etc. after calling glRenderBufferStorageEXT gave undefined results.

src/mesa/main/fbobject.c

@@ -527,7 +527,6 @@ _mesa_BindRenderbufferEXT(GLenum target, GLuint renderbuffer)
    GET_CURRENT_CONTEXT(ctx);
 
    ASSERT_OUTSIDE_BEGIN_END(ctx);
-   FLUSH_VERTICES(ctx, _NEW_BUFFERS);
 
    if (target != GL_RENDERBUFFER_EXT) {
          _mesa_error(ctx, GL_INVALID_ENUM,
@@ -535,6 +534,8 @@ _mesa_BindRenderbufferEXT(GLenum target, GLuint renderbuffer)
       return;
    }
 
+   FLUSH_VERTICES(ctx, _NEW_BUFFERS);
+
    if (renderbuffer) {
       newRb = lookup_renderbuffer(ctx, renderbuffer);
       if (newRb == &DummyRenderbuffer) {
@@ -578,6 +579,7 @@ _mesa_DeleteRenderbuffersEXT(GLsizei n, const GLuint *renderbuffers)
    GET_CURRENT_CONTEXT(ctx);
 
    ASSERT_OUTSIDE_BEGIN_END(ctx);
+   FLUSH_VERTICES(ctx, _NEW_BUFFERS);
 
    for (i = 0; i < n; i++) {
       if (renderbuffers[i] > 0) {
@@ -700,7 +702,6 @@ _mesa_RenderbufferStorageEXT(GLenum target, GLenum internalFormat,
    GET_CURRENT_CONTEXT(ctx);
 
    ASSERT_OUTSIDE_BEGIN_END(ctx);
-   FLUSH_VERTICES(ctx, _NEW_BUFFERS);
 
    if (target != GL_RENDERBUFFER_EXT) {
       _mesa_error(ctx, GL_INVALID_ENUM, "glRenderbufferStorageEXT(target)");
@@ -731,6 +732,8 @@ _mesa_RenderbufferStorageEXT(GLenum target, GLenum internalFormat,
       return;
    }
 
+   FLUSH_VERTICES(ctx, _NEW_BUFFERS);
+
    /* Now allocate the storage */
    ASSERT(rb->AllocStorage);
    if (rb->AllocStorage(ctx, rb, internalFormat, width, height)) {
@@ -776,6 +779,8 @@ _mesa_GetRenderbufferParameterivEXT(GLenum target, GLenum pname, GLint *params)
       return;
    }
 
+   FLUSH_VERTICES(ctx, _NEW_BUFFERS);
+
    switch (pname) {
    case GL_RENDERBUFFER_WIDTH_EXT:
       *params = ctx->CurrentRenderbuffer->Width;
@@ -870,13 +875,14 @@ _mesa_BindFramebufferEXT(GLenum target, GLuint framebuffer)
    GET_CURRENT_CONTEXT(ctx);
 
    ASSERT_OUTSIDE_BEGIN_END(ctx);
-   FLUSH_VERTICES(ctx, _NEW_BUFFERS);
 
    if (target != GL_FRAMEBUFFER_EXT) {
       _mesa_error(ctx, GL_INVALID_ENUM, "glBindFramebufferEXT(target)");
       return;
    }
 
+   FLUSH_VERTICES(ctx, _NEW_BUFFERS);
+
    if (framebuffer) {
       /* Binding a user-created framebuffer object */
       newFb = lookup_framebuffer(ctx, framebuffer);
@@ -927,6 +933,7 @@ _mesa_DeleteFramebuffersEXT(GLsizei n, const GLuint *framebuffers)
    GET_CURRENT_CONTEXT(ctx);
 
    ASSERT_OUTSIDE_BEGIN_END(ctx);
+   FLUSH_VERTICES(ctx, _NEW_BUFFERS);
 
    for (i = 0; i < n; i++) {
       if (framebuffers[i] > 0) {
@@ -1008,6 +1015,8 @@ _mesa_CheckFramebufferStatusEXT(GLenum target)
       return GL_FRAMEBUFFER_COMPLETE_EXT;
    }
 
+   FLUSH_VERTICES(ctx, _NEW_BUFFERS);
+
    _mesa_test_framebuffer_completeness(ctx, ctx->DrawBuffer);
    return ctx->DrawBuffer->_Status;
 }
@@ -1070,7 +1079,6 @@ _mesa_FramebufferTexture1DEXT(GLenum target, GLenum attachment,
    GET_CURRENT_CONTEXT(ctx);
 
    ASSERT_OUTSIDE_BEGIN_END(ctx);
-   FLUSH_VERTICES(ctx, _NEW_BUFFERS); /* XXX check */
 
    if (error_check_framebuffer_texture(ctx, 1, target, attachment,
 				       textarget, texture, level))
@@ -1085,6 +1093,8 @@ _mesa_FramebufferTexture1DEXT(GLenum target, GLenum attachment,
       return;
    }
 
+   FLUSH_VERTICES(ctx, _NEW_BUFFERS);
+
    if (texture) {
       texObj = (struct gl_texture_object *)
 	 _mesa_HashLookup(ctx->Shared->TexObjects, texture);
@@ -1104,8 +1114,6 @@ _mesa_FramebufferTexture1DEXT(GLenum target, GLenum attachment,
       texObj = NULL;
    }
    ctx->Driver.RenderbufferTexture(ctx, att, texObj, textarget, level, 0);
-
-   _mesa_update_framebuffer_visual(ctx->DrawBuffer);
 }
 
 
@@ -1118,7 +1126,6 @@ _mesa_FramebufferTexture2DEXT(GLenum target, GLenum attachment,
    GET_CURRENT_CONTEXT(ctx);
 
    ASSERT_OUTSIDE_BEGIN_END(ctx);
-   FLUSH_VERTICES(ctx, _NEW_BUFFERS); /* XXX check */
 
    if (error_check_framebuffer_texture(ctx, 2, target, attachment,
 				       textarget, texture, level))
@@ -1135,6 +1142,8 @@ _mesa_FramebufferTexture2DEXT(GLenum target, GLenum attachment,
       return;
    }
 
+   FLUSH_VERTICES(ctx, _NEW_BUFFERS);
+
    if (texture) {
       texObj = (struct gl_texture_object *)
 	 _mesa_HashLookup(ctx->Shared->TexObjects, texture);
@@ -1158,7 +1167,6 @@ _mesa_FramebufferTexture2DEXT(GLenum target, GLenum attachment,
       texObj = NULL;
    }
    ctx->Driver.RenderbufferTexture(ctx, att, texObj, textarget, level, 0);
-   _mesa_update_framebuffer_visual(ctx->DrawBuffer);
 }
 
 
@@ -1172,7 +1180,6 @@ _mesa_FramebufferTexture3DEXT(GLenum target, GLenum attachment,
    GET_CURRENT_CONTEXT(ctx);
 
    ASSERT_OUTSIDE_BEGIN_END(ctx);
-   FLUSH_VERTICES(ctx, _NEW_BUFFERS); /* XXX check */
 
    if (error_check_framebuffer_texture(ctx, 3, target, attachment,
 				       textarget, texture, level))
@@ -1187,6 +1194,8 @@ _mesa_FramebufferTexture3DEXT(GLenum target, GLenum attachment,
       return;
    }
 
+   FLUSH_VERTICES(ctx, _NEW_BUFFERS);
+
    if (texture) {
       const GLint maxSize = 1 << (ctx->Const.Max3DTextureLevels - 1);
       texObj = (struct gl_texture_object *)
@@ -1213,7 +1222,6 @@ _mesa_FramebufferTexture3DEXT(GLenum target, GLenum attachment,
    }
    ctx->Driver.RenderbufferTexture(ctx, att, texObj, textarget,
                                    level, zoffset);
-   _mesa_update_framebuffer_visual(ctx->DrawBuffer);
 }
 
 
@@ -1227,7 +1235,6 @@ _mesa_FramebufferRenderbufferEXT(GLenum target, GLenum attachment,
    GET_CURRENT_CONTEXT(ctx);
 
    ASSERT_OUTSIDE_BEGIN_END(ctx);
-   FLUSH_VERTICES(ctx, _NEW_BUFFERS);
 
    if (target != GL_FRAMEBUFFER_EXT) {
       _mesa_error(ctx, GL_INVALID_ENUM,
@@ -1267,10 +1274,10 @@ _mesa_FramebufferRenderbufferEXT(GLenum target, GLenum attachment,
       rb = NULL;
    }
 
+   FLUSH_VERTICES(ctx, _NEW_BUFFERS);
+
    assert(ctx->Driver.FramebufferRenderbuffer);
    ctx->Driver.FramebufferRenderbuffer(ctx, att, rb);
-
-   _mesa_update_framebuffer_visual(ctx->DrawBuffer);
 }
 
 
@@ -1302,6 +1309,8 @@ _mesa_GetFramebufferAttachmentParameterivEXT(GLenum target, GLenum attachment,
       return;
    }
 
+   FLUSH_VERTICES(ctx, _NEW_BUFFERS);
+
    switch (pname) {
    case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE_EXT:
       *params = att->Type;
@@ -1361,6 +1370,7 @@ _mesa_GenerateMipmapEXT(GLenum target)
    GET_CURRENT_CONTEXT(ctx);
 
    ASSERT_OUTSIDE_BEGIN_END(ctx);
+   FLUSH_VERTICES(ctx, _NEW_BUFFERS);
 
    switch (target) {
    case GL_TEXTURE_1D:

src/mesa/main/framebuffer.c

@@ -328,23 +328,33 @@ _mesa_update_draw_buffer_bounds(GLcontext *ctx)
 void
 _mesa_update_framebuffer_visual(struct gl_framebuffer *fb)
 {
+   GLuint i;
+
    assert(fb->Name != 0);
 
    _mesa_bzero(&fb->Visual, sizeof(fb->Visual));
-   fb->Visual.rgbMode = GL_TRUE;
-
-   if (fb->Attachment[BUFFER_FRONT_LEFT].Renderbuffer) {
-      fb->Visual.redBits
-         = fb->Attachment[BUFFER_FRONT_LEFT].Renderbuffer->RedBits;
-      fb->Visual.greenBits
-         = fb->Attachment[BUFFER_FRONT_LEFT].Renderbuffer->GreenBits;
-      fb->Visual.blueBits
-         = fb->Attachment[BUFFER_FRONT_LEFT].Renderbuffer->BlueBits;
-      fb->Visual.alphaBits
-         = fb->Attachment[BUFFER_FRONT_LEFT].Renderbuffer->AlphaBits;
-      fb->Visual.rgbBits
-         = fb->Visual.redBits + fb->Visual.greenBits + fb->Visual.blueBits;
-      fb->Visual.floatMode = GL_FALSE;
+   fb->Visual.rgbMode = GL_TRUE; /* assume this */
+
+   /* find first RGB or CI renderbuffer */
+   for (i = 0; i < BUFFER_COUNT; i++) {
+      if (fb->Attachment[i].Renderbuffer) {
+         const struct gl_renderbuffer *rb = fb->Attachment[i].Renderbuffer;
+         if (rb->_BaseFormat == GL_RGBA || rb->_BaseFormat == GL_RGB) {
+            fb->Visual.redBits = rb->RedBits;
+            fb->Visual.greenBits = rb->GreenBits;
+            fb->Visual.blueBits = rb->BlueBits;
+            fb->Visual.alphaBits = rb->AlphaBits;
+            fb->Visual.rgbBits = fb->Visual.redBits
+               + fb->Visual.greenBits + fb->Visual.blueBits;
+            fb->Visual.floatMode = GL_FALSE;
+            break;
+         }
+         else if (rb->_BaseFormat == GL_COLOR_INDEX) {
+            fb->Visual.indexBits = rb->IndexBits;
+            fb->Visual.rgbMode = GL_FALSE;
+            break;
+         }
+      }
    }
 
    if (fb->Attachment[BUFFER_DEPTH].Renderbuffer) {
@@ -380,8 +390,10 @@ _mesa_update_framebuffer(GLcontext *ctx)
    GLuint output;
 
    /* Completeness only matters for user-created framebuffers */
-   if (fb->Name != 0)
+   if (fb->Name != 0) {
       _mesa_test_framebuffer_completeness(ctx, fb);
+      _mesa_update_framebuffer_visual(fb);
+   }
 
    /*
     * Update the list of color drawing renderbuffer pointers.

src/mesa/main/get.c

@@ -11,6 +11,7 @@
 #include "get.h"
 #include "macros.h"
 #include "mtypes.h"
+#include "state.h"
 #include "texcompress.h"
 
 
@@ -85,6 +86,9 @@ _mesa_GetBooleanv( GLenum pname, GLboolean *params )
    if (!params)
       return;
 
+   if (ctx->NewState)
+      _mesa_update_state(ctx);
+
    if (ctx->Driver.GetBooleanv &&
        ctx->Driver.GetBooleanv(ctx, pname, params))
       return;
@@ -1912,6 +1916,9 @@ _mesa_GetFloatv( GLenum pname, GLfloat *params )
    if (!params)
       return;
 
+   if (ctx->NewState)
+      _mesa_update_state(ctx);
+
    if (ctx->Driver.GetFloatv &&
        ctx->Driver.GetFloatv(ctx, pname, params))
       return;
@@ -3739,6 +3746,9 @@ _mesa_GetIntegerv( GLenum pname, GLint *params )
    if (!params)
       return;
 
+   if (ctx->NewState)
+      _mesa_update_state(ctx);
+
    if (ctx->Driver.GetIntegerv &&
        ctx->Driver.GetIntegerv(ctx, pname, params))
       return;

src/mesa/main/get_gen.py

@@ -1025,6 +1025,9 @@ def EmitGetFunction(stateVars, returnType):
 	print "   if (!params)"
 	print "      return;"
 	print ""
+	print "   if (ctx->NewState)"
+	print "      _mesa_update_state(ctx);"
+	print ""
 	print "   if (ctx->Driver.%s &&" % function
 	print "       ctx->Driver.%s(ctx, pname, params))" % function
 	print "      return;"
@@ -1075,6 +1078,7 @@ def EmitHeader():
 #include "get.h"
 #include "macros.h"
 #include "mtypes.h"
+#include "state.h"
 #include "texcompress.h"