Use new gl_framebuffer _Depth/_StencilBuffer fields instead of

Attachment[BUFFER_DEPTH/STENCIL].Renderbuffer.  The former may be wrappers
around combined depth/stencil renderbuffers attached at the later points.

10 files changed, 32 insertions, 44 deletions

diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c
index 419df0f090..cb0e1884d7 100644
--- a/src/mesa/main/teximage.c
+++ b/src/mesa/main/teximage.c
@@ -1792,7 +1792,7 @@ copytexture_error_check( GLcontext *ctx, GLuint dimensions,
    }
    else if (is_depth_format(internalFormat)) {
       /* make sure we have depth/stencil buffers */
-      if (!ctx->ReadBuffer->Attachment[BUFFER_DEPTH].Renderbuffer) {
+      if (!ctx->ReadBuffer->_DepthBuffer) {
          _mesa_error(ctx, GL_INVALID_OPERATION,
                      "glCopyTexImage%D(no depth)", dimensions);
          return GL_TRUE;
@@ -1800,8 +1800,7 @@ copytexture_error_check( GLcontext *ctx, GLuint dimensions,
    }
    else if (is_depthstencil_format(internalFormat)) {
       /* make sure we have depth/stencil buffers */
-      if (!ctx->ReadBuffer->Attachment[BUFFER_DEPTH].Renderbuffer ||
-          !ctx->ReadBuffer->Attachment[BUFFER_STENCIL].Renderbuffer) {
+      if (!ctx->ReadBuffer->_DepthBuffer || !ctx->ReadBuffer->_StencilBuffer) {
          _mesa_error(ctx, GL_INVALID_OPERATION,
                      "glCopyTexImage%D(no depth/stencil buffer)", dimensions);
          return GL_TRUE;
@@ -1969,7 +1968,7 @@ copytexsubimage_error_check( GLcontext *ctx, GLuint dimensions,
    }
 
    if (teximage->_BaseFormat == GL_DEPTH_COMPONENT) {
-      if (!ctx->ReadBuffer->Attachment[BUFFER_DEPTH].Renderbuffer) {
+      if (!ctx->ReadBuffer->_DepthBuffer) {
          _mesa_error(ctx, GL_INVALID_OPERATION,
                      "glCopyTexSubImage%D(no depth buffer)",
                      dimensions);
@@ -1977,8 +1976,7 @@ copytexsubimage_error_check( GLcontext *ctx, GLuint dimensions,
       }
    }
    else if (teximage->_BaseFormat == GL_DEPTH_STENCIL_EXT) {
-      if (!ctx->ReadBuffer->Attachment[BUFFER_DEPTH].Renderbuffer ||
-          !ctx->ReadBuffer->Attachment[BUFFER_STENCIL].Renderbuffer) {
+      if (!ctx->ReadBuffer->_DepthBuffer || !ctx->ReadBuffer->_StencilBuffer) {
          _mesa_error(ctx, GL_INVALID_OPERATION,
                      "glCopyTexSubImage%D(no depth/stencil buffer)",
                      dimensions);
diff --git a/src/mesa/swrast/s_buffers.c b/src/mesa/swrast/s_buffers.c
index b9f20c05c4..9dace65860 100644
--- a/src/mesa/swrast/s_buffers.c
+++ b/src/mesa/swrast/s_buffers.c
@@ -293,19 +293,14 @@ _swrast_Clear(GLcontext *ctx, GLbitfield mask,
          clear_color_buffers(ctx);
       }
       if (mask & BUFFER_BIT_DEPTH) {
-         struct gl_renderbuffer *rb
-            = ctx->DrawBuffer->Attachment[BUFFER_DEPTH].Renderbuffer;
-         _swrast_clear_depth_buffer(ctx, rb);
+         _swrast_clear_depth_buffer(ctx, ctx->DrawBuffer->_DepthBuffer);
       }
       if (mask & BUFFER_BIT_ACCUM) {
-         struct gl_renderbuffer *rb
-            = ctx->DrawBuffer->Attachment[BUFFER_ACCUM].Renderbuffer;
-         _swrast_clear_accum_buffer(ctx, rb);
+         _swrast_clear_accum_buffer(ctx,
+                       ctx->DrawBuffer->Attachment[BUFFER_ACCUM].Renderbuffer);
       }
       if (mask & BUFFER_BIT_STENCIL) {
-         struct gl_renderbuffer *rb
-            = ctx->DrawBuffer->Attachment[BUFFER_STENCIL].Renderbuffer;
-         _swrast_clear_stencil_buffer(ctx, rb);
+         _swrast_clear_stencil_buffer(ctx, ctx->DrawBuffer->_StencilBuffer);
       }
    }
 
diff --git a/src/mesa/swrast/s_copypix.c b/src/mesa/swrast/s_copypix.c
index f93cb53685..48c36120bc 100644
--- a/src/mesa/swrast/s_copypix.c
+++ b/src/mesa/swrast/s_copypix.c
@@ -501,7 +501,7 @@ copy_depth_pixels( GLcontext *ctx, GLint srcx, GLint srcy,
 {
    SWcontext *swrast = SWRAST_CONTEXT(ctx);
    struct gl_framebuffer *fb = ctx->ReadBuffer;
-   struct gl_renderbuffer *readRb = fb->Attachment[BUFFER_DEPTH].Renderbuffer;
+   struct gl_renderbuffer *readRb = fb->_DepthBuffer;
    const GLfloat depthMax = fb->_DepthMaxF;
    GLfloat *p, *tmpImage;
    GLint sy, dy, stepy;
@@ -610,7 +610,7 @@ copy_stencil_pixels( GLcontext *ctx, GLint srcx, GLint srcy,
                      GLint destx, GLint desty )
 {
    struct gl_framebuffer *fb = ctx->ReadBuffer;
-   struct gl_renderbuffer *rb = fb->Attachment[BUFFER_STENCIL].Renderbuffer;
+   struct gl_renderbuffer *rb = fb->_StencilBuffer;
    GLint sy, dy, stepy;
    GLint j;
    GLstencil *p, *tmpImage;
@@ -724,9 +724,9 @@ copy_depth_stencil_pixels(GLcontext *ctx,
       = ctx->Pixel.DepthScale != 1.0 || ctx->Pixel.DepthBias != 0.0;
    GLint overlapping;
 
-   depthDrawRb = ctx->DrawBuffer->Attachment[BUFFER_DEPTH].Renderbuffer;
-   depthReadRb = ctx->ReadBuffer->Attachment[BUFFER_DEPTH].Renderbuffer;
-   stencilReadRb = ctx->ReadBuffer->Attachment[BUFFER_STENCIL].Renderbuffer;
+   depthDrawRb = ctx->DrawBuffer->_DepthBuffer;
+   depthReadRb = ctx->ReadBuffer->_DepthBuffer;
+   stencilReadRb = ctx->ReadBuffer->_StencilBuffer;
 
    ASSERT(depthDrawRb);
    ASSERT(depthReadRb);
diff --git a/src/mesa/swrast/s_depth.c b/src/mesa/swrast/s_depth.c
index 800e7f29fd..27a77b14af 100644
--- a/src/mesa/swrast/s_depth.c
+++ b/src/mesa/swrast/s_depth.c
@@ -506,7 +506,7 @@ static GLuint
 depth_test_span( GLcontext *ctx, struct sw_span *span)
 {
    struct gl_framebuffer *fb = ctx->DrawBuffer;
-   struct gl_renderbuffer *rb = fb->Attachment[BUFFER_DEPTH].Renderbuffer;
+   struct gl_renderbuffer *rb = fb->_DepthBuffer;
    const GLint x = span->x;
    const GLint y = span->y;
    const GLuint count = span->end;
@@ -1053,7 +1053,7 @@ static GLuint
 depth_test_pixels( GLcontext *ctx, struct sw_span *span )
 {
    struct gl_framebuffer *fb = ctx->DrawBuffer;
-   struct gl_renderbuffer *rb = fb->Attachment[BUFFER_DEPTH].Renderbuffer;
+   struct gl_renderbuffer *rb = fb->_DepthBuffer;
    const GLuint count = span->end;
    const GLint *x = span->array->x;
    const GLint *y = span->array->y;
@@ -1119,7 +1119,7 @@ GLboolean
 _swrast_depth_bounds_test( GLcontext *ctx, struct sw_span *span )
 {
    struct gl_framebuffer *fb = ctx->DrawBuffer;
-   struct gl_renderbuffer *rb = fb->Attachment[BUFFER_DEPTH].Renderbuffer;
+   struct gl_renderbuffer *rb = fb->_DepthBuffer;
    GLuint zMin = (GLuint) (ctx->Depth.BoundsMin * fb->_DepthMaxF + 0.5F);
    GLuint zMax = (GLuint) (ctx->Depth.BoundsMax * fb->_DepthMaxF + 0.5F);
    GLubyte *mask = span->array->mask;
diff --git a/src/mesa/swrast/s_drawpix.c b/src/mesa/swrast/s_drawpix.c
index b60004b1d6..d1f2ad8b83 100644
--- a/src/mesa/swrast/s_drawpix.c
+++ b/src/mesa/swrast/s_drawpix.c
@@ -842,8 +842,8 @@ draw_depth_stencil_pixels(GLcontext *ctx, GLint x, GLint y,
    struct gl_pixelstore_attrib clippedUnpack = *unpack;
    GLint i;
 
-   depthRb = ctx->DrawBuffer->Attachment[BUFFER_DEPTH].Renderbuffer;
-   stencilRb = ctx->DrawBuffer->Attachment[BUFFER_STENCIL].Renderbuffer;
+   depthRb = ctx->DrawBuffer->_DepthBuffer;
+   stencilRb = ctx->DrawBuffer->_StencilBuffer;
 
    ASSERT(depthRb);
    ASSERT(stencilRb);
diff --git a/src/mesa/swrast/s_readpix.c b/src/mesa/swrast/s_readpix.c
index 1d83dbf1dc..ace8519d61 100644
--- a/src/mesa/swrast/s_readpix.c
+++ b/src/mesa/swrast/s_readpix.c
@@ -86,7 +86,7 @@ read_depth_pixels( GLcontext *ctx,
                    const struct gl_pixelstore_attrib *packing )
 {
    struct gl_framebuffer *fb = ctx->ReadBuffer;
-   struct gl_renderbuffer *rb = fb->Attachment[BUFFER_DEPTH].Renderbuffer;
+   struct gl_renderbuffer *rb = fb->_DepthBuffer;
    GLboolean bias_or_scale;
 
    /* clipping should have been done already */
@@ -168,7 +168,7 @@ read_stencil_pixels( GLcontext *ctx,
                      const struct gl_pixelstore_attrib *packing )
 {
    struct gl_framebuffer *fb = ctx->ReadBuffer;
-   struct gl_renderbuffer *rb = fb->Attachment[BUFFER_STENCIL].Renderbuffer;
+   struct gl_renderbuffer *rb = fb->_StencilBuffer;
    GLint j;
 
    ASSERT(rb);
@@ -422,8 +422,8 @@ read_depth_stencil_pixels(GLcontext *ctx,
    struct gl_renderbuffer *depthRb, *stencilRb;
    GLint i;
 
-   depthRb = ctx->ReadBuffer->Attachment[BUFFER_DEPTH].Renderbuffer;
-   stencilRb = ctx->ReadBuffer->Attachment[BUFFER_STENCIL].Renderbuffer;
+   depthRb = ctx->ReadBuffer->_DepthBuffer;
+   stencilRb = ctx->ReadBuffer->_StencilBuffer;
 
    ASSERT(depthRb);
    ASSERT(stencilRb);
diff --git a/src/mesa/swrast/s_stencil.c b/src/mesa/swrast/s_stencil.c
index 09dd4ef883..effe4a6a52 100644
--- a/src/mesa/swrast/s_stencil.c
+++ b/src/mesa/swrast/s_stencil.c
@@ -409,7 +409,7 @@ static GLboolean
 stencil_and_ztest_span(GLcontext *ctx, struct sw_span *span, GLuint face)
 {
    struct gl_framebuffer *fb = ctx->DrawBuffer;
-   struct gl_renderbuffer *rb = fb->Attachment[BUFFER_STENCIL].Renderbuffer;
+   struct gl_renderbuffer *rb = fb->_StencilBuffer;
    GLstencil stencilRow[MAX_WIDTH];
    GLstencil *stencil;
    const GLuint n = span->end;
@@ -532,7 +532,7 @@ apply_stencil_op_to_pixels( GLcontext *ctx,
                             GLenum oper, GLuint face, const GLubyte mask[] )
 {
    struct gl_framebuffer *fb = ctx->DrawBuffer;
-   struct gl_renderbuffer *rb = fb->Attachment[BUFFER_STENCIL].Renderbuffer;
+   struct gl_renderbuffer *rb = fb->_StencilBuffer;
    const GLstencil stencilMax = (1 << fb->Visual.stencilBits) - 1;
    const GLstencil ref = ctx->Stencil.Ref[face];
    const GLstencil wrtmask = ctx->Stencil.WriteMask[face];
@@ -705,7 +705,7 @@ stencil_test_pixels( GLcontext *ctx, GLuint face, GLuint n,
                      const GLint x[], const GLint y[], GLubyte mask[] )
 {
    const struct gl_framebuffer *fb = ctx->DrawBuffer;
-   struct gl_renderbuffer *rb = fb->Attachment[BUFFER_STENCIL].Renderbuffer;
+   struct gl_renderbuffer *rb = fb->_StencilBuffer;
    GLubyte fail[MAX_WIDTH];
    GLstencil r, s;
    GLuint i;
@@ -903,7 +903,7 @@ static GLboolean
 stencil_and_ztest_pixels( GLcontext *ctx, struct sw_span *span, GLuint face )
 {
    struct gl_framebuffer *fb = ctx->DrawBuffer;
-   struct gl_renderbuffer *rb = fb->Attachment[BUFFER_STENCIL].Renderbuffer;
+   struct gl_renderbuffer *rb = fb->_StencilBuffer;
    const GLuint n = span->end;
    const GLint *x = span->array->x;
    const GLint *y = span->array->y;
@@ -1099,7 +1099,7 @@ _swrast_write_stencil_span(GLcontext *ctx, GLint n, GLint x, GLint y,
                            const GLstencil stencil[] )
 {
    struct gl_framebuffer *fb = ctx->DrawBuffer;
-   struct gl_renderbuffer *rb = fb->Attachment[BUFFER_STENCIL].Renderbuffer;
+   struct gl_renderbuffer *rb = fb->_StencilBuffer;
    const GLuint stencilMax = (1 << fb->Visual.stencilBits) - 1;
    const GLuint stencilMask = ctx->Stencil.WriteMask[0];
 
diff --git a/src/mesa/swrast/s_texstore.c b/src/mesa/swrast/s_texstore.c
index ff1f9d9992..a3e695549e 100644
--- a/src/mesa/swrast/s_texstore.c
+++ b/src/mesa/swrast/s_texstore.c
@@ -94,8 +94,7 @@ static GLfloat *
 read_depth_image( GLcontext *ctx, GLint x, GLint y,
                   GLsizei width, GLsizei height )
 {
-   struct gl_renderbuffer *rb
-      = ctx->ReadBuffer->Attachment[BUFFER_DEPTH].Renderbuffer;
+   struct gl_renderbuffer *rb = ctx->ReadBuffer->_DepthBuffer;
    SWcontext *swrast = SWRAST_CONTEXT(ctx);
    GLfloat *image, *dst;
    GLint i;
@@ -125,10 +124,8 @@ static GLuint *
 read_depth_stencil_image(GLcontext *ctx, GLint x, GLint y,
                          GLsizei width, GLsizei height)
 {
-   struct gl_renderbuffer *depthRb
-      = ctx->ReadBuffer->Attachment[BUFFER_DEPTH].Renderbuffer;
-   struct gl_renderbuffer *stencilRb
-      = ctx->ReadBuffer->Attachment[BUFFER_STENCIL].Renderbuffer;
+   struct gl_renderbuffer *depthRb = ctx->ReadBuffer->_DepthBuffer;
+   struct gl_renderbuffer *stencilRb = ctx->ReadBuffer->_StencilBuffer;
    SWcontext *swrast = SWRAST_CONTEXT(ctx);
    GLuint *image, *dst;
    GLint i;
diff --git a/src/mesa/swrast/s_triangle.c b/src/mesa/swrast/s_triangle.c
index c364b0b0e8..1e3d76874a 100644
--- a/src/mesa/swrast/s_triangle.c
+++ b/src/mesa/swrast/s_triangle.c
@@ -905,8 +905,7 @@ fast_persp_span(GLcontext *ctx, struct sw_span *span,
 #define NAME occlusion_zless_triangle
 #define INTERP_Z 1
 #define SETUP_CODE							\
-   struct gl_renderbuffer *rb						\
-      = ctx->DrawBuffer->Attachment[BUFFER_DEPTH].Renderbuffer;		\
+   struct gl_renderbuffer *rb = ctx->DrawBuffer->_DepthBuffer;		\
    struct gl_query_object *q = ctx->Query.CurrentOcclusionObject;	\
    ASSERT(ctx->Depth.Test);						\
    ASSERT(!ctx->Depth.Mask);						\
diff --git a/src/mesa/swrast/s_zoom.c b/src/mesa/swrast/s_zoom.c
index 41feb1140c..3fd914083f 100644
--- a/src/mesa/swrast/s_zoom.c
+++ b/src/mesa/swrast/s_zoom.c
@@ -355,8 +355,7 @@ _swrast_write_zoomed_z_span(GLcontext *ctx, GLint imgX, GLint imgY,
                             GLint width, GLint spanX, GLint spanY,
                             const GLvoid *z)
 {
-   struct gl_renderbuffer *rb
-      = ctx->DrawBuffer->Attachment[BUFFER_DEPTH].Renderbuffer;
+   struct gl_renderbuffer *rb = ctx->DrawBuffer->_DepthBuffer;
    GLushort zoomedVals16[MAX_WIDTH];
    GLuint zoomedVals32[MAX_WIDTH];
    GLint x0, x1, y0, y1, y;