svn merge ^/branches/released .

1 files changed, 81 insertions, 174 deletions

diff --git a/mesalib/src/mesa/main/renderbuffer.c b/mesalib/src/mesa/main/renderbuffer.c
index 5bef7c84f..3bb062bae 100644
--- a/mesalib/src/mesa/main/renderbuffer.c
+++ b/mesalib/src/mesa/main/renderbuffer.c
@@ -43,6 +43,8 @@
 #include "glheader.h"
 #include "imports.h"
 #include "context.h"
+#include "fbobject.h"
+#include "formats.h"
 #include "mtypes.h"
 #include "fbobject.h"
 #include "renderbuffer.h"
@@ -72,7 +74,7 @@ get_pointer_ubyte(GLcontext *ctx, struct gl_renderbuffer *rb,
    if (!rb->Data)
       return NULL;
    ASSERT(rb->DataType == GL_UNSIGNED_BYTE);
-   /* Can't assert _ActualFormat since these funcs may be used for serveral
+   /* Can't assert rb->Format since these funcs may be used for serveral
     * different formats (GL_ALPHA8, GL_STENCIL_INDEX8, etc).
     */
    return (GLubyte *) rb->Data + y * rb->Width + x;
@@ -448,7 +450,7 @@ static void *
 get_pointer_ubyte3(GLcontext *ctx, struct gl_renderbuffer *rb,
                    GLint x, GLint y)
 {
-   ASSERT(rb->_ActualFormat == GL_RGB8);
+   ASSERT(rb->Format == MESA_FORMAT_RGB888);
    /* No direct access since this buffer is RGB but caller will be
     * treating it as if it were RGBA.
     */
@@ -463,7 +465,7 @@ get_row_ubyte3(GLcontext *ctx, struct gl_renderbuffer *rb, GLuint count,
    const GLubyte *src = (const GLubyte *) rb->Data + 3 * (y * rb->Width + x);
    GLubyte *dst = (GLubyte *) values;
    GLuint i;
-   ASSERT(rb->_ActualFormat == GL_RGB8);
+   ASSERT(rb->Format == MESA_FORMAT_RGB888);
    ASSERT(rb->DataType == GL_UNSIGNED_BYTE);
    for (i = 0; i < count; i++) {
       dst[i * 4 + 0] = src[i * 3 + 0];
@@ -480,7 +482,7 @@ get_values_ubyte3(GLcontext *ctx, struct gl_renderbuffer *rb, GLuint count,
 {
    GLubyte *dst = (GLubyte *) values;
    GLuint i;
-   ASSERT(rb->_ActualFormat == GL_RGB8);
+   ASSERT(rb->Format == MESA_FORMAT_RGB888);
    ASSERT(rb->DataType == GL_UNSIGNED_BYTE);
    for (i = 0; i < count; i++) {
       const GLubyte *src
@@ -501,7 +503,7 @@ put_row_ubyte3(GLcontext *ctx, struct gl_renderbuffer *rb, GLuint count,
    const GLubyte *src = (const GLubyte *) values;
    GLubyte *dst = (GLubyte *) rb->Data + 3 * (y * rb->Width + x);
    GLuint i;
-   ASSERT(rb->_ActualFormat == GL_RGB8);
+   ASSERT(rb->Format == MESA_FORMAT_RGB888);
    ASSERT(rb->DataType == GL_UNSIGNED_BYTE);
    for (i = 0; i < count; i++) {
       if (!mask || mask[i]) {
@@ -521,7 +523,7 @@ put_row_rgb_ubyte3(GLcontext *ctx, struct gl_renderbuffer *rb, GLuint count,
    const GLubyte *src = (const GLubyte *) values;
    GLubyte *dst = (GLubyte *) rb->Data + 3 * (y * rb->Width + x);
    GLuint i;
-   ASSERT(rb->_ActualFormat == GL_RGB8);
+   ASSERT(rb->Format == MESA_FORMAT_RGB888);
    ASSERT(rb->DataType == GL_UNSIGNED_BYTE);
    for (i = 0; i < count; i++) {
       if (!mask || mask[i]) {
@@ -542,7 +544,7 @@ put_mono_row_ubyte3(GLcontext *ctx, struct gl_renderbuffer *rb, GLuint count,
    const GLubyte val1 = ((const GLubyte *) value)[1];
    const GLubyte val2 = ((const GLubyte *) value)[2];
    GLubyte *dst = (GLubyte *) rb->Data + 3 * (y * rb->Width + x);
-   ASSERT(rb->_ActualFormat == GL_RGB8);
+   ASSERT(rb->Format == MESA_FORMAT_RGB888);
    ASSERT(rb->DataType == GL_UNSIGNED_BYTE);
    if (!mask && val0 == val1 && val1 == val2) {
       /* optimized case */
@@ -569,7 +571,7 @@ put_values_ubyte3(GLcontext *ctx, struct gl_renderbuffer *rb, GLuint count,
    /* note: incoming values are RGB+A! */
    const GLubyte *src = (const GLubyte *) values;
    GLuint i;
-   ASSERT(rb->_ActualFormat == GL_RGB8);
+   ASSERT(rb->Format == MESA_FORMAT_RGB888);
    ASSERT(rb->DataType == GL_UNSIGNED_BYTE);
    for (i = 0; i < count; i++) {
       if (!mask || mask[i]) {
@@ -592,7 +594,7 @@ put_mono_values_ubyte3(GLcontext *ctx, struct gl_renderbuffer *rb,
    const GLubyte val1 = ((const GLubyte *) value)[1];
    const GLubyte val2 = ((const GLubyte *) value)[2];
    GLuint i;
-   ASSERT(rb->_ActualFormat == GL_RGB8);
+   ASSERT(rb->Format == MESA_FORMAT_RGB888);
    ASSERT(rb->DataType == GL_UNSIGNED_BYTE);
    for (i = 0; i < count; i++) {
       if (!mask || mask[i]) {
@@ -617,7 +619,7 @@ get_pointer_ubyte4(GLcontext *ctx, struct gl_renderbuffer *rb,
    if (!rb->Data)
       return NULL;
    ASSERT(rb->DataType == GL_UNSIGNED_BYTE);
-   ASSERT(rb->_ActualFormat == GL_RGBA8);
+   ASSERT(rb->Format == MESA_FORMAT_RGBA8888);
    return (GLubyte *) rb->Data + 4 * (y * rb->Width + x);
 }
 
@@ -628,7 +630,7 @@ get_row_ubyte4(GLcontext *ctx, struct gl_renderbuffer *rb, GLuint count,
 {
    const GLubyte *src = (const GLubyte *) rb->Data + 4 * (y * rb->Width + x);
    ASSERT(rb->DataType == GL_UNSIGNED_BYTE);
-   ASSERT(rb->_ActualFormat == GL_RGBA8);
+   ASSERT(rb->Format == MESA_FORMAT_RGBA8888);
    _mesa_memcpy(values, src, 4 * count * sizeof(GLubyte));
 }
 
@@ -641,7 +643,7 @@ get_values_ubyte4(GLcontext *ctx, struct gl_renderbuffer *rb, GLuint count,
    GLuint *dst = (GLuint *) values;
    GLuint i;
    ASSERT(rb->DataType == GL_UNSIGNED_BYTE);
-   ASSERT(rb->_ActualFormat == GL_RGBA8);
+   ASSERT(rb->Format == MESA_FORMAT_RGBA8888);
    for (i = 0; i < count; i++) {
       const GLuint *src = (GLuint *) rb->Data + (y[i] * rb->Width + x[i]);
       dst[i] = *src;
@@ -657,7 +659,7 @@ put_row_ubyte4(GLcontext *ctx, struct gl_renderbuffer *rb, GLuint count,
    const GLuint *src = (const GLuint *) values;
    GLuint *dst = (GLuint *) rb->Data + (y * rb->Width + x);
    ASSERT(rb->DataType == GL_UNSIGNED_BYTE);
-   ASSERT(rb->_ActualFormat == GL_RGBA8);
+   ASSERT(rb->Format == MESA_FORMAT_RGBA8888);
    if (mask) {
       GLuint i;
       for (i = 0; i < count; i++) {
@@ -681,7 +683,7 @@ put_row_rgb_ubyte4(GLcontext *ctx, struct gl_renderbuffer *rb, GLuint count,
    GLubyte *dst = (GLubyte *) rb->Data + 4 * (y * rb->Width + x);
    GLuint i;
    ASSERT(rb->DataType == GL_UNSIGNED_BYTE);
-   ASSERT(rb->_ActualFormat == GL_RGBA8);
+   ASSERT(rb->Format == MESA_FORMAT_RGBA8888);
    for (i = 0; i < count; i++) {
       if (!mask || mask[i]) {
          dst[i * 4 + 0] = src[i * 3 + 0];
@@ -701,7 +703,7 @@ put_mono_row_ubyte4(GLcontext *ctx, struct gl_renderbuffer *rb, GLuint count,
    const GLuint val = *((const GLuint *) value);
    GLuint *dst = (GLuint *) rb->Data + (y * rb->Width + x);
    ASSERT(rb->DataType == GL_UNSIGNED_BYTE);
-   ASSERT(rb->_ActualFormat == GL_RGBA8);
+   ASSERT(rb->Format == MESA_FORMAT_RGBA8888);
    if (!mask && val == 0) {
       /* common case */
       _mesa_bzero(dst, count * 4 * sizeof(GLubyte));
@@ -735,7 +737,7 @@ put_values_ubyte4(GLcontext *ctx, struct gl_renderbuffer *rb, GLuint count,
    const GLuint *src = (const GLuint *) values;
    GLuint i;
    ASSERT(rb->DataType == GL_UNSIGNED_BYTE);
-   ASSERT(rb->_ActualFormat == GL_RGBA8);
+   ASSERT(rb->Format == MESA_FORMAT_RGBA8888);
    for (i = 0; i < count; i++) {
       if (!mask || mask[i]) {
          GLuint *dst = (GLuint *) rb->Data + (y[i] * rb->Width + x[i]);
@@ -754,7 +756,7 @@ put_mono_values_ubyte4(GLcontext *ctx, struct gl_renderbuffer *rb,
    const GLuint val = *((const GLuint *) value);
    GLuint i;
    ASSERT(rb->DataType == GL_UNSIGNED_BYTE);
-   ASSERT(rb->_ActualFormat == GL_RGBA8);
+   ASSERT(rb->Format == MESA_FORMAT_RGBA8888);
    for (i = 0; i < count; i++) {
       if (!mask || mask[i]) {
          GLuint *dst = (GLuint *) rb->Data + (y[i] * rb->Width + x[i]);
@@ -947,15 +949,6 @@ _mesa_soft_renderbuffer_storage(GLcontext *ctx, struct gl_renderbuffer *rb,
 {
    GLuint pixelSize;
 
-   /* first clear these fields */
-   rb->RedBits =
-   rb->GreenBits =
-   rb->BlueBits =
-   rb->AlphaBits =
-   rb->IndexBits =
-   rb->DepthBits =
-   rb->StencilBits = 0;
-
    switch (internalFormat) {
    case GL_RGB:
    case GL_R3_G3_B2:
@@ -965,8 +958,7 @@ _mesa_soft_renderbuffer_storage(GLcontext *ctx, struct gl_renderbuffer *rb,
    case GL_RGB10:
    case GL_RGB12:
    case GL_RGB16:
-      rb->_ActualFormat = GL_RGB8;
-      rb->_BaseFormat = GL_RGB;
+      rb->Format = MESA_FORMAT_RGB888;
       rb->DataType = GL_UNSIGNED_BYTE;
       rb->GetPointer = get_pointer_ubyte3;
       rb->GetRow = get_row_ubyte3;
@@ -976,10 +968,6 @@ _mesa_soft_renderbuffer_storage(GLcontext *ctx, struct gl_renderbuffer *rb,
       rb->PutMonoRow = put_mono_row_ubyte3;
       rb->PutValues = put_values_ubyte3;
       rb->PutMonoValues = put_mono_values_ubyte3;
-      rb->RedBits   = 8 * sizeof(GLubyte);
-      rb->GreenBits = 8 * sizeof(GLubyte);
-      rb->BlueBits  = 8 * sizeof(GLubyte);
-      rb->AlphaBits = 0;
       pixelSize = 3 * sizeof(GLubyte);
       break;
    case GL_RGBA:
@@ -987,8 +975,11 @@ _mesa_soft_renderbuffer_storage(GLcontext *ctx, struct gl_renderbuffer *rb,
    case GL_RGBA4:
    case GL_RGB5_A1:
    case GL_RGBA8:
-      rb->_ActualFormat = GL_RGBA8;
-      rb->_BaseFormat = GL_RGBA;
+#if 1
+   case GL_RGB10_A2:
+   case GL_RGBA12:
+#endif
+      rb->Format = MESA_FORMAT_RGBA8888;
       rb->DataType = GL_UNSIGNED_BYTE;
       rb->GetPointer = get_pointer_ubyte4;
       rb->GetRow = get_row_ubyte4;
@@ -998,18 +989,12 @@ _mesa_soft_renderbuffer_storage(GLcontext *ctx, struct gl_renderbuffer *rb,
       rb->PutMonoRow = put_mono_row_ubyte4;
       rb->PutValues = put_values_ubyte4;
       rb->PutMonoValues = put_mono_values_ubyte4;
-      rb->RedBits   = 8 * sizeof(GLubyte);
-      rb->GreenBits = 8 * sizeof(GLubyte);
-      rb->BlueBits  = 8 * sizeof(GLubyte);
-      rb->AlphaBits = 8 * sizeof(GLubyte);
       pixelSize = 4 * sizeof(GLubyte);
       break;
-   case GL_RGB10_A2:
-   case GL_RGBA12:
    case GL_RGBA16:
-      rb->_ActualFormat = GL_RGBA16;
-      rb->_BaseFormat = GL_RGBA;
-      rb->DataType = GL_UNSIGNED_SHORT;
+      /* for accum buffer */
+      rb->Format = MESA_FORMAT_SIGNED_RGBA_16;
+      rb->DataType = GL_SHORT;
       rb->GetPointer = get_pointer_ushort4;
       rb->GetRow = get_row_ushort4;
       rb->GetValues = get_values_ushort4;
@@ -1018,16 +1003,11 @@ _mesa_soft_renderbuffer_storage(GLcontext *ctx, struct gl_renderbuffer *rb,
       rb->PutMonoRow = put_mono_row_ushort4;
       rb->PutValues = put_values_ushort4;
       rb->PutMonoValues = put_mono_values_ushort4;
-      rb->RedBits   = 8 * sizeof(GLushort);
-      rb->GreenBits = 8 * sizeof(GLushort);
-      rb->BlueBits  = 8 * sizeof(GLushort);
-      rb->AlphaBits = 8 * sizeof(GLushort);
       pixelSize = 4 * sizeof(GLushort);
       break;
-#if 00
+#if 0
    case GL_ALPHA8:
-      rb->_ActualFormat = GL_ALPHA8;
-      rb->_BaseFormat = GL_RGBA; /* Yes, not GL_ALPHA! */
+      rb->Format = MESA_FORMAT_A8;
       rb->DataType = GL_UNSIGNED_BYTE;
       rb->GetPointer = get_pointer_alpha8;
       rb->GetRow = get_row_alpha8;
@@ -1037,10 +1017,6 @@ _mesa_soft_renderbuffer_storage(GLcontext *ctx, struct gl_renderbuffer *rb,
       rb->PutMonoRow = put_mono_row_alpha8;
       rb->PutValues = put_values_alpha8;
       rb->PutMonoValues = put_mono_values_alpha8;
-      rb->RedBits   = 0; /*red*/
-      rb->GreenBits = 0; /*green*/
-      rb->BlueBits  = 0; /*blue*/
-      rb->AlphaBits = 8 * sizeof(GLubyte);
       pixelSize = sizeof(GLubyte);
       break;
 #endif
@@ -1048,8 +1024,8 @@ _mesa_soft_renderbuffer_storage(GLcontext *ctx, struct gl_renderbuffer *rb,
    case GL_STENCIL_INDEX1_EXT:
    case GL_STENCIL_INDEX4_EXT:
    case GL_STENCIL_INDEX8_EXT:
-      rb->_ActualFormat = GL_STENCIL_INDEX8_EXT;
-      rb->_BaseFormat = GL_STENCIL_INDEX;
+   case GL_STENCIL_INDEX16_EXT:
+      rb->Format = MESA_FORMAT_S8;
       rb->DataType = GL_UNSIGNED_BYTE;
       rb->GetPointer = get_pointer_ubyte;
       rb->GetRow = get_row_ubyte;
@@ -1059,28 +1035,11 @@ _mesa_soft_renderbuffer_storage(GLcontext *ctx, struct gl_renderbuffer *rb,
       rb->PutMonoRow = put_mono_row_ubyte;
       rb->PutValues = put_values_ubyte;
       rb->PutMonoValues = put_mono_values_ubyte;
-      rb->StencilBits = 8 * sizeof(GLubyte);
       pixelSize = sizeof(GLubyte);
       break;
-   case GL_STENCIL_INDEX16_EXT:
-      rb->_ActualFormat = GL_STENCIL_INDEX16_EXT;
-      rb->_BaseFormat = GL_STENCIL_INDEX;
-      rb->DataType = GL_UNSIGNED_SHORT;
-      rb->GetPointer = get_pointer_ushort;
-      rb->GetRow = get_row_ushort;
-      rb->GetValues = get_values_ushort;
-      rb->PutRow = put_row_ushort;
-      rb->PutRowRGB = NULL;
-      rb->PutMonoRow = put_mono_row_ushort;
-      rb->PutValues = put_values_ushort;
-      rb->PutMonoValues = put_mono_values_ushort;
-      rb->StencilBits = 8 * sizeof(GLushort);
-      pixelSize = sizeof(GLushort);
-      break;
    case GL_DEPTH_COMPONENT:
    case GL_DEPTH_COMPONENT16:
-      rb->_ActualFormat = GL_DEPTH_COMPONENT16;
-      rb->_BaseFormat = GL_DEPTH_COMPONENT;
+      rb->Format = MESA_FORMAT_Z16;
       rb->DataType = GL_UNSIGNED_SHORT;
       rb->GetPointer = get_pointer_ushort;
       rb->GetRow = get_row_ushort;
@@ -1090,12 +1049,22 @@ _mesa_soft_renderbuffer_storage(GLcontext *ctx, struct gl_renderbuffer *rb,
       rb->PutMonoRow = put_mono_row_ushort;
       rb->PutValues = put_values_ushort;
       rb->PutMonoValues = put_mono_values_ushort;
-      rb->DepthBits = 8 * sizeof(GLushort);
       pixelSize = sizeof(GLushort);
       break;
    case GL_DEPTH_COMPONENT24:
+      rb->DataType = GL_UNSIGNED_INT;
+      rb->GetPointer = get_pointer_uint;
+      rb->GetRow = get_row_uint;
+      rb->GetValues = get_values_uint;
+      rb->PutRow = put_row_uint;
+      rb->PutRowRGB = NULL;
+      rb->PutMonoRow = put_mono_row_uint;
+      rb->PutValues = put_values_uint;
+      rb->PutMonoValues = put_mono_values_uint;
+      rb->Format = MESA_FORMAT_X8_Z24;
+      pixelSize = sizeof(GLuint);
+      break;
    case GL_DEPTH_COMPONENT32:
-      rb->_BaseFormat = GL_DEPTH_COMPONENT;
       rb->DataType = GL_UNSIGNED_INT;
       rb->GetPointer = get_pointer_uint;
       rb->GetRow = get_row_uint;
@@ -1105,20 +1074,12 @@ _mesa_soft_renderbuffer_storage(GLcontext *ctx, struct gl_renderbuffer *rb,
       rb->PutMonoRow = put_mono_row_uint;
       rb->PutValues = put_values_uint;
       rb->PutMonoValues = put_mono_values_uint;
-      if (internalFormat == GL_DEPTH_COMPONENT24) {
-         rb->_ActualFormat = GL_DEPTH_COMPONENT24;
-         rb->DepthBits = 24;
-      }
-      else {
-         rb->_ActualFormat = GL_DEPTH_COMPONENT32;
-         rb->DepthBits = 32;
-      }
+      rb->Format = MESA_FORMAT_Z32;
       pixelSize = sizeof(GLuint);
       break;
    case GL_DEPTH_STENCIL_EXT:
    case GL_DEPTH24_STENCIL8_EXT:
-      rb->_ActualFormat = GL_DEPTH24_STENCIL8_EXT;
-      rb->_BaseFormat = GL_DEPTH_STENCIL_EXT;
+      rb->Format = MESA_FORMAT_Z24_S8;
       rb->DataType = GL_UNSIGNED_INT_24_8_EXT;
       rb->GetPointer = get_pointer_uint;
       rb->GetRow = get_row_uint;
@@ -1128,13 +1089,12 @@ _mesa_soft_renderbuffer_storage(GLcontext *ctx, struct gl_renderbuffer *rb,
       rb->PutMonoRow = put_mono_row_uint;
       rb->PutValues = put_values_uint;
       rb->PutMonoValues = put_mono_values_uint;
-      rb->DepthBits = 24;
-      rb->StencilBits = 8;
       pixelSize = sizeof(GLuint);
       break;
    case GL_COLOR_INDEX8_EXT:
-      rb->_ActualFormat = GL_COLOR_INDEX8_EXT;
-      rb->_BaseFormat = GL_COLOR_INDEX;
+   case GL_COLOR_INDEX16_EXT:
+   case COLOR_INDEX32:
+      rb->Format = MESA_FORMAT_CI8;
       rb->DataType = GL_UNSIGNED_BYTE;
       rb->GetPointer = get_pointer_ubyte;
       rb->GetRow = get_row_ubyte;
@@ -1144,39 +1104,8 @@ _mesa_soft_renderbuffer_storage(GLcontext *ctx, struct gl_renderbuffer *rb,
       rb->PutMonoRow = put_mono_row_ubyte;
       rb->PutValues = put_values_ubyte;
       rb->PutMonoValues = put_mono_values_ubyte;
-      rb->IndexBits = 8 * sizeof(GLubyte);
       pixelSize = sizeof(GLubyte);
       break;
-   case GL_COLOR_INDEX16_EXT:
-      rb->_ActualFormat = GL_COLOR_INDEX16_EXT;
-      rb->_BaseFormat = GL_COLOR_INDEX;
-      rb->DataType = GL_UNSIGNED_SHORT;
-      rb->GetPointer = get_pointer_ushort;
-      rb->GetRow = get_row_ushort;
-      rb->GetValues = get_values_ushort;
-      rb->PutRow = put_row_ushort;
-      rb->PutRowRGB = NULL;
-      rb->PutMonoRow = put_mono_row_ushort;
-      rb->PutValues = put_values_ushort;
-      rb->PutMonoValues = put_mono_values_ushort;
-      rb->IndexBits = 8 * sizeof(GLushort);
-      pixelSize = sizeof(GLushort);
-      break;
-   case COLOR_INDEX32:
-      rb->_ActualFormat = COLOR_INDEX32;
-      rb->_BaseFormat = GL_COLOR_INDEX;
-      rb->DataType = GL_UNSIGNED_INT;
-      rb->GetPointer = get_pointer_uint;
-      rb->GetRow = get_row_uint;
-      rb->GetValues = get_values_uint;
-      rb->PutRow = put_row_uint;
-      rb->PutRowRGB = NULL;
-      rb->PutMonoRow = put_mono_row_uint;
-      rb->PutValues = put_values_uint;
-      rb->PutMonoValues = put_mono_values_uint;
-      rb->IndexBits = 8 * sizeof(GLuint);
-      pixelSize = sizeof(GLuint);
-      break;
    default:
       _mesa_problem(ctx, "Bad internalFormat in _mesa_soft_renderbuffer_storage");
       return GL_FALSE;
@@ -1213,6 +1142,7 @@ _mesa_soft_renderbuffer_storage(GLcontext *ctx, struct gl_renderbuffer *rb,
 
    rb->Width = width;
    rb->Height = height;
+   rb->_BaseFormat = _mesa_base_fbo_format(ctx, rb->InternalFormat);
 
    return GL_TRUE;
 }
@@ -1239,7 +1169,7 @@ alloc_storage_alpha8(GLcontext *ctx, struct gl_renderbuffer *arb,
                      GLenum internalFormat, GLuint width, GLuint height)
 {
    ASSERT(arb != arb->Wrapped);
-   ASSERT(arb->_ActualFormat == GL_ALPHA8);
+   ASSERT(arb->Format == MESA_FORMAT_A8);
 
    /* first, pass the call to the wrapped RGB buffer */
    if (!arb->Wrapped->AllocStorage(ctx, arb->Wrapped, internalFormat,
@@ -1439,8 +1369,8 @@ put_mono_values_alpha8(GLcontext *ctx, struct gl_renderbuffer *arb,
 static void
 copy_buffer_alpha8(struct gl_renderbuffer* dst, struct gl_renderbuffer* src)
 {
-   ASSERT(dst->_ActualFormat == GL_ALPHA8);
-   ASSERT(src->_ActualFormat == GL_ALPHA8);
+   ASSERT(dst->Format == MESA_FORMAT_A8);
+   ASSERT(src->Format == MESA_FORMAT_A8);
    ASSERT(dst->Width == src->Width);
    ASSERT(dst->Height == src->Height);
 
@@ -1486,16 +1416,7 @@ _mesa_init_renderbuffer(struct gl_renderbuffer *rb, GLuint name)
    rb->Width = 0;
    rb->Height = 0;
    rb->InternalFormat = GL_NONE;
-   rb->_ActualFormat = GL_NONE;
-   rb->_BaseFormat = GL_NONE;
-
-   rb->ComponentType = GL_UNSIGNED_NORMALIZED; /* ARB_fbo */
-   rb->ColorEncoding = GL_LINEAR; /* ARB_fbo */
-
-   rb->RedBits = rb->GreenBits = rb->BlueBits = rb->AlphaBits = 0;
-   rb->IndexBits = 0;
-   rb->DepthBits = 0;
-   rb->StencilBits = 0;
+   rb->Format = MESA_FORMAT_NONE;
 
    rb->DataType = GL_NONE;
    rb->Data = NULL;
@@ -1612,18 +1533,15 @@ _mesa_add_color_renderbuffers(GLcontext *ctx, struct gl_framebuffer *fb,
 
       if (rgbBits <= 8) {
          if (alphaBits)
-            rb->_ActualFormat = GL_RGBA8;
+            rb->Format = MESA_FORMAT_RGBA8888;
          else
-            rb->_ActualFormat = GL_RGB8;
+            rb->Format = MESA_FORMAT_RGB888;
       }
       else {
          assert(rgbBits <= 16);
-         if (alphaBits)
-            rb->_ActualFormat = GL_RGBA16;
-         else
-            rb->_ActualFormat = GL_RGBA16; /* don't really have RGB16 yet */
+         rb->Format = MESA_FORMAT_NONE; /*XXX RGBA16;*/
       }
-      rb->InternalFormat = rb->_ActualFormat;
+      rb->InternalFormat = GL_RGBA;
 
       rb->AllocStorage = _mesa_soft_renderbuffer_storage;
       _mesa_add_renderbuffer(fb, b, rb);
@@ -1677,15 +1595,9 @@ _mesa_add_color_index_renderbuffers(GLcontext *ctx, struct gl_framebuffer *fb,
          return GL_FALSE;
       }
 
-      if (indexBits <= 8) {
-         /* only support GLuint for now */
-         /*rb->InternalFormat = GL_COLOR_INDEX8_EXT;*/
-         rb->_ActualFormat = COLOR_INDEX32;
-      }
-      else {
-         rb->_ActualFormat = COLOR_INDEX32;
-      }
-      rb->InternalFormat = rb->_ActualFormat;
+      assert(indexBits <= 8);
+      rb->Format = MESA_FORMAT_CI8;
+      rb->InternalFormat = GL_COLOR_INDEX;
 
       rb->AllocStorage = _mesa_soft_renderbuffer_storage;
       _mesa_add_renderbuffer(fb, b, rb);
@@ -1758,8 +1670,7 @@ _mesa_add_alpha_renderbuffers(GLcontext *ctx, struct gl_framebuffer *fb,
        * values.
        */
       arb->InternalFormat = arb->Wrapped->InternalFormat;
-      arb->_ActualFormat  = GL_ALPHA8;
-      arb->_BaseFormat    = arb->Wrapped->_BaseFormat;
+      arb->Format         = MESA_FORMAT_A8;
       arb->DataType       = arb->Wrapped->DataType;
       arb->AllocStorage   = alloc_storage_alpha8;
       arb->Delete         = delete_renderbuffer_alpha8;
@@ -1833,15 +1744,17 @@ _mesa_add_depth_renderbuffer(GLcontext *ctx, struct gl_framebuffer *fb,
    }
 
    if (depthBits <= 16) {
-      rb->_ActualFormat = GL_DEPTH_COMPONENT16;
+      rb->Format = MESA_FORMAT_Z16;
+      rb->InternalFormat = GL_DEPTH_COMPONENT16;
    }
    else if (depthBits <= 24) {
-      rb->_ActualFormat = GL_DEPTH_COMPONENT24;
+      rb->Format = MESA_FORMAT_X8_Z24;
+      rb->InternalFormat = GL_DEPTH_COMPONENT24;
    }
    else {
-      rb->_ActualFormat = GL_DEPTH_COMPONENT32;
+      rb->Format = MESA_FORMAT_Z32;
+      rb->InternalFormat = GL_DEPTH_COMPONENT32;
    }
-   rb->InternalFormat = rb->_ActualFormat;
 
    rb->AllocStorage = _mesa_soft_renderbuffer_storage;
    _mesa_add_renderbuffer(fb, BUFFER_DEPTH, rb);
@@ -1878,14 +1791,9 @@ _mesa_add_stencil_renderbuffer(GLcontext *ctx, struct gl_framebuffer *fb,
       return GL_FALSE;
    }
 
-   if (stencilBits <= 8) {
-      rb->_ActualFormat = GL_STENCIL_INDEX8_EXT;
-   }
-   else {
-      /* not really supported (see s_stencil.c code) */
-      rb->_ActualFormat = GL_STENCIL_INDEX16_EXT;
-   }
-   rb->InternalFormat = rb->_ActualFormat;
+   assert(stencilBits <= 8);
+   rb->Format = MESA_FORMAT_S8;
+   rb->InternalFormat = GL_STENCIL_INDEX8;
 
    rb->AllocStorage = _mesa_soft_renderbuffer_storage;
    _mesa_add_renderbuffer(fb, BUFFER_STENCIL, rb);
@@ -1923,7 +1831,7 @@ _mesa_add_accum_renderbuffer(GLcontext *ctx, struct gl_framebuffer *fb,
       return GL_FALSE;
    }
 
-   rb->_ActualFormat = GL_RGBA16;
+   rb->Format = MESA_FORMAT_SIGNED_RGBA_16;
    rb->InternalFormat = GL_RGBA16;
    rb->AllocStorage = _mesa_soft_renderbuffer_storage;
    _mesa_add_renderbuffer(fb, BUFFER_ACCUM, rb);
@@ -1967,13 +1875,9 @@ _mesa_add_aux_renderbuffers(GLcontext *ctx, struct gl_framebuffer *fb,
          return GL_FALSE;
       }
 
-      if (colorBits <= 8) {
-         rb->_ActualFormat = GL_RGBA8;
-      }
-      else {
-         rb->_ActualFormat = GL_RGBA16;
-      }
-      rb->InternalFormat = rb->_ActualFormat;
+      assert (colorBits <= 8);
+      rb->Format = MESA_FORMAT_RGBA8888;
+      rb->InternalFormat = GL_RGBA;
 
       rb->AllocStorage = _mesa_soft_renderbuffer_storage;
       _mesa_add_renderbuffer(fb, BUFFER_AUX0 + i, rb);
@@ -2071,6 +1975,8 @@ void
 _mesa_add_renderbuffer(struct gl_framebuffer *fb,
                        GLuint bufferName, struct gl_renderbuffer *rb)
 {
+   GLenum baseFormat;
+
    assert(fb);
    assert(rb);
    assert(bufferName < BUFFER_COUNT);
@@ -2095,7 +2001,8 @@ _mesa_add_renderbuffer(struct gl_framebuffer *fb,
     * and the device driver is expecting 8-bit values (GLubyte), we can
     * use a "renderbuffer adaptor/wrapper" to do the necessary conversions.
     */
-   if (rb->_BaseFormat == GL_RGBA) {
+   baseFormat = _mesa_get_format_base_format(rb->Format);
+   if (baseFormat == GL_RGBA) {
       if (CHAN_BITS == 16 && rb->DataType == GL_UNSIGNED_BYTE) {
          GET_CURRENT_CONTEXT(ctx);
          rb = _mesa_new_renderbuffer_16wrap8(ctx, rb);
@@ -2202,7 +2109,7 @@ _mesa_new_depthstencil_renderbuffer(GLcontext *ctx, GLuint name)
 
    /* init fields not covered by _mesa_new_renderbuffer() */
    dsrb->InternalFormat = GL_DEPTH24_STENCIL8_EXT;
-   dsrb->_ActualFormat = GL_DEPTH24_STENCIL8_EXT;
+   dsrb->Format = MESA_FORMAT_Z24_S8;
    dsrb->AllocStorage = _mesa_soft_renderbuffer_storage;
 
    return dsrb;