intel: derive intel_renderbuffer from swrast_renderbuffer

Drivers that rely on swrast need to do this, as with swrast_texture_image.
(cherry picked from commit 9f8ed9d66298e2dc5dff508e3ea723469fe06d93)

7 files changed, 55 insertions, 49 deletions

diff --git a/src/mesa/drivers/dri/i965/brw_misc_state.c b/src/mesa/drivers/dri/i965/brw_misc_state.c
index 68e1e80d3b3..c364f4062cb 100644
--- a/src/mesa/drivers/dri/i965/brw_misc_state.c
+++ b/src/mesa/drivers/dri/i965/brw_misc_state.c
@@ -354,8 +354,8 @@ static void emit_depthbuffer(struct brw_context *brw)
 	        (1 << 27) | /* tiled surface */
 	        (BRW_SURFACE_2D << 29));
       OUT_BATCH(0);
-      OUT_BATCH(((stencil_irb->Base.Width - 1) << 6) |
-	         (stencil_irb->Base.Height - 1) << 19);
+      OUT_BATCH(((stencil_irb->Base.Base.Width - 1) << 6) |
+	         (stencil_irb->Base.Base.Height - 1) << 19);
       OUT_BATCH(0);
       OUT_BATCH(0);
 
@@ -389,8 +389,8 @@ static void emit_depthbuffer(struct brw_context *brw)
 		I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER,
 		offset);
       OUT_BATCH((BRW_SURFACE_MIPMAPLAYOUT_BELOW << 1) |
-		(((depth_irb->Base.Width + tile_x)- 1) << 6) |
-		(((depth_irb->Base.Height + tile_y) - 1) << 19));
+		(((depth_irb->Base.Base.Width + tile_x) - 1) << 6) |
+		(((depth_irb->Base.Base.Height + tile_y) - 1) << 19));
       OUT_BATCH(0);
 
       if (intel->is_g4x || intel->gen >= 5)
diff --git a/src/mesa/drivers/dri/i965/gen7_misc_state.c b/src/mesa/drivers/dri/i965/gen7_misc_state.c
index c2f58d53eef..d0ce54241b6 100644
--- a/src/mesa/drivers/dri/i965/gen7_misc_state.c
+++ b/src/mesa/drivers/dri/i965/gen7_misc_state.c
@@ -74,8 +74,8 @@ static void emit_depthbuffer(struct brw_context *brw)
 
 	 /* 3DSTATE_STENCIL_BUFFER inherits surface type and dimensions. */
 	 dw1 |= (BRW_SURFACE_2D << 29);
-	 dw3 = ((srb->Base.Width - 1) << 4) |
-	       ((srb->Base.Height - 1) << 18);
+	 dw3 = ((srb->Base.Base.Width - 1) << 4) |
+	       ((srb->Base.Base.Height - 1) << 18);
       }
 
       BEGIN_BATCH(7);
@@ -107,8 +107,8 @@ static void emit_depthbuffer(struct brw_context *brw)
       OUT_RELOC(region->bo,
 	        I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER,
 		offset);
-      OUT_BATCH((((drb->Base.Width + tile_x) - 1) << 4) |
-                (((drb->Base.Height + tile_y) - 1) << 18));
+      OUT_BATCH((((drb->Base.Base.Width + tile_x) - 1) << 4) |
+                (((drb->Base.Base.Height + tile_y) - 1) << 18));
       OUT_BATCH(0);
       OUT_BATCH(tile_x | (tile_y << 16));
       OUT_BATCH(0);
diff --git a/src/mesa/drivers/dri/intel/intel_context.c b/src/mesa/drivers/dri/intel/intel_context.c
index 30a01bb48f4..ffd953683e7 100644
--- a/src/mesa/drivers/dri/intel/intel_context.c
+++ b/src/mesa/drivers/dri/intel/intel_context.c
@@ -1401,8 +1401,8 @@ intel_verify_dri2_has_hiz(struct intel_context *intel,
 	 /* 2. Create new depth/stencil renderbuffer. */
 	 struct intel_renderbuffer *depth_stencil_rb =
 	    intel_create_renderbuffer(MESA_FORMAT_S8_Z24);
-	 _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depth_stencil_rb->Base);
-	 _mesa_add_renderbuffer(fb, BUFFER_STENCIL, &depth_stencil_rb->Base);
+	 _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depth_stencil_rb->Base.Base);
+	 _mesa_add_renderbuffer(fb, BUFFER_STENCIL, &depth_stencil_rb->Base.Base);
 
 	 /* 3. Append DRI2BufferDepthStencil to attachment list. */
 	 int old_count = *count;
diff --git a/src/mesa/drivers/dri/intel/intel_fbo.c b/src/mesa/drivers/dri/intel/intel_fbo.c
index 2e400e7d5c5..0bb61b5d642 100644
--- a/src/mesa/drivers/dri/intel/intel_fbo.c
+++ b/src/mesa/drivers/dri/intel/intel_fbo.c
@@ -132,11 +132,11 @@ intel_map_renderbuffer(struct gl_context *ctx,
    void *map;
    int stride;
 
-   if (!irb && rb->Buffer) {
+   if (!irb && irb->Base.Buffer) {
       /* this is a malloc'd renderbuffer (accum buffer) */
       GLint bpp = _mesa_get_format_bytes(rb->Format);
-      GLint rowStride = rb->RowStrideBytes;
-      *out_map = (GLubyte *) rb->Buffer + y * rowStride + x * bpp;
+      GLint rowStride = irb->Base.RowStride;
+      *out_map = (GLubyte *) irb->Base.Buffer + y * rowStride + x * bpp;
       *out_stride = rowStride;
       return;
    }
@@ -185,7 +185,7 @@ intel_unmap_renderbuffer(struct gl_context *ctx,
    DBG("%s: rb %d (%s)\n", __FUNCTION__,
        rb->Name, _mesa_get_format_name(rb->Format));
 
-   if (!irb && rb->Buffer) {
+   if (!irb && irb->Base.Buffer) {
       /* this is a malloc'd renderbuffer (accum buffer) */
       /* nothing to do */
       return;
@@ -368,9 +368,10 @@ intel_nop_alloc_storage(struct gl_context * ctx, struct gl_renderbuffer *rb,
 struct intel_renderbuffer *
 intel_create_renderbuffer(gl_format format)
 {
-   GET_CURRENT_CONTEXT(ctx);
-
    struct intel_renderbuffer *irb;
+   struct gl_renderbuffer *rb;
+
+   GET_CURRENT_CONTEXT(ctx);
 
    irb = CALLOC_STRUCT(intel_renderbuffer);
    if (!irb) {
@@ -378,15 +379,17 @@ intel_create_renderbuffer(gl_format format)
       return NULL;
    }
 
-   _mesa_init_renderbuffer(&irb->Base, 0);
-   irb->Base.ClassID = INTEL_RB_CLASS;
-   irb->Base._BaseFormat = _mesa_get_format_base_format(format);
-   irb->Base.Format = format;
-   irb->Base.InternalFormat = irb->Base._BaseFormat;
+   rb = &irb->Base.Base;
+
+   _mesa_init_renderbuffer(rb, 0);
+   rb->ClassID = INTEL_RB_CLASS;
+   rb->_BaseFormat = _mesa_get_format_base_format(format);
+   rb->Format = format;
+   rb->InternalFormat = rb->_BaseFormat;
 
    /* intel-specific methods */
-   irb->Base.Delete = intel_delete_renderbuffer;
-   irb->Base.AllocStorage = intel_alloc_window_storage;
+   rb->Delete = intel_delete_renderbuffer;
+   rb->AllocStorage = intel_alloc_window_storage;
 
    return irb;
 }
@@ -400,6 +403,7 @@ intel_new_renderbuffer(struct gl_context * ctx, GLuint name)
 {
    /*struct intel_context *intel = intel_context(ctx); */
    struct intel_renderbuffer *irb;
+   struct gl_renderbuffer *rb;
 
    irb = CALLOC_STRUCT(intel_renderbuffer);
    if (!irb) {
@@ -407,15 +411,17 @@ intel_new_renderbuffer(struct gl_context * ctx, GLuint name)
       return NULL;
    }
 
-   _mesa_init_renderbuffer(&irb->Base, name);
-   irb->Base.ClassID = INTEL_RB_CLASS;
+   rb = &irb->Base.Base;
+
+   _mesa_init_renderbuffer(rb, name);
+   rb->ClassID = INTEL_RB_CLASS;
 
    /* intel-specific methods */
-   irb->Base.Delete = intel_delete_renderbuffer;
-   irb->Base.AllocStorage = intel_alloc_renderbuffer_storage;
+   rb->Delete = intel_delete_renderbuffer;
+   rb->AllocStorage = intel_alloc_renderbuffer_storage;
    /* span routines set in alloc_storage function */
 
-   return &irb->Base;
+   return rb;
 }
 
 
@@ -479,7 +485,7 @@ intel_renderbuffer_update_wrapper(struct intel_context *intel,
                                   gl_format format,
                                   GLenum internal_format)
 {
-   struct gl_renderbuffer *rb = &irb->Base;
+   struct gl_renderbuffer *rb = &irb->Base.Base;
 
    rb->Format = format;
    rb->InternalFormat = internal_format;
@@ -487,8 +493,8 @@ intel_renderbuffer_update_wrapper(struct intel_context *intel,
    rb->Width = mt->level[level].width;
    rb->Height = mt->level[level].height;
 
-   irb->Base.Delete = intel_delete_renderbuffer;
-   irb->Base.AllocStorage = intel_nop_alloc_storage;
+   rb->Delete = intel_delete_renderbuffer;
+   rb->AllocStorage = intel_nop_alloc_storage;
 
    intel_miptree_check_level_layer(mt, level, layer);
    irb->mt_level = level;
@@ -661,7 +667,7 @@ intel_render_texture(struct gl_context * ctx,
 
       if (irb) {
          /* bind the wrapper to the attachment point */
-         _mesa_reference_renderbuffer(&att->Renderbuffer, &irb->Base);
+         _mesa_reference_renderbuffer(&att->Renderbuffer, &irb->Base.Base);
       }
       else {
          /* fallback to software rendering */
@@ -682,7 +688,7 @@ intel_render_texture(struct gl_context * ctx,
    DBG("Begin render %s texture tex=%u w=%d h=%d refcount=%d\n",
        _mesa_get_format_name(image->TexFormat),
        att->Texture->Name, image->Width, image->Height,
-       irb->Base.RefCount);
+       irb->Base.Base.RefCount);
 
    intel_image->used_as_render_target = true;
 
diff --git a/src/mesa/drivers/dri/intel/intel_fbo.h b/src/mesa/drivers/dri/intel/intel_fbo.h
index 5a0d865739b..a2c1b1a28dc 100644
--- a/src/mesa/drivers/dri/intel/intel_fbo.h
+++ b/src/mesa/drivers/dri/intel/intel_fbo.h
@@ -43,7 +43,7 @@ struct intel_texture_image;
  */
 struct intel_renderbuffer
 {
-   struct gl_renderbuffer Base;
+   struct swrast_renderbuffer Base;
    struct intel_mipmap_tree *mt; /**< The renderbuffer storage. */
    drm_intel_bo *map_bo;
 
@@ -84,7 +84,7 @@ static INLINE struct intel_renderbuffer *
 intel_renderbuffer(struct gl_renderbuffer *rb)
 {
    struct intel_renderbuffer *irb = (struct intel_renderbuffer *) rb;
-   if (irb && irb->Base.ClassID == INTEL_RB_CLASS) {
+   if (irb && irb->Base.Base.ClassID == INTEL_RB_CLASS) {
       /*_mesa_warning(NULL, "Returning non-intel Rb\n");*/
       return irb;
    }
@@ -119,7 +119,7 @@ intel_get_renderbuffer(struct gl_framebuffer *fb, gl_buffer_index attIndex)
 static INLINE gl_format
 intel_rb_format(const struct intel_renderbuffer *rb)
 {
-   return rb->Base.Format;
+   return rb->Base.Base.Format;
 }
 
 
diff --git a/src/mesa/drivers/dri/intel/intel_screen.c b/src/mesa/drivers/dri/intel/intel_screen.c
index cf046a267c8..a998a377531 100644
--- a/src/mesa/drivers/dri/intel/intel_screen.c
+++ b/src/mesa/drivers/dri/intel/intel_screen.c
@@ -425,11 +425,11 @@ intelCreateBuffer(__DRIscreen * driScrnPriv,
 
       /* setup the hardware-based renderbuffers */
       rb = intel_create_renderbuffer(rgbFormat);
-      _mesa_add_renderbuffer(fb, BUFFER_FRONT_LEFT, &rb->Base);
+      _mesa_add_renderbuffer(fb, BUFFER_FRONT_LEFT, &rb->Base.Base);
 
       if (mesaVis->doubleBufferMode) {
 	 rb = intel_create_renderbuffer(rgbFormat);
-         _mesa_add_renderbuffer(fb, BUFFER_BACK_LEFT, &rb->Base);
+         _mesa_add_renderbuffer(fb, BUFFER_BACK_LEFT, &rb->Base.Base);
       }
 
       /*
@@ -448,17 +448,17 @@ intelCreateBuffer(__DRIscreen * driScrnPriv,
 	     * enum intel_dri2_has_hiz).
 	     */
 	    rb = intel_create_renderbuffer(MESA_FORMAT_X8_Z24);
-	    _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &rb->Base);
+	    _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &rb->Base.Base);
 	    rb = intel_create_renderbuffer(MESA_FORMAT_S8);
-	    _mesa_add_renderbuffer(fb, BUFFER_STENCIL, &rb->Base);
+	    _mesa_add_renderbuffer(fb, BUFFER_STENCIL, &rb->Base.Base);
 	 } else {
 	    /*
 	     * Use combined depth/stencil. Note that the renderbuffer is
 	     * attached to two attachment points.
 	     */
 	    rb = intel_create_renderbuffer(MESA_FORMAT_S8_Z24);
-	    _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &rb->Base);
-	    _mesa_add_renderbuffer(fb, BUFFER_STENCIL, &rb->Base);
+	    _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &rb->Base.Base);
+	    _mesa_add_renderbuffer(fb, BUFFER_STENCIL, &rb->Base.Base);
 	 }
       }
       else if (mesaVis->depthBits == 16) {
@@ -466,7 +466,7 @@ intelCreateBuffer(__DRIscreen * driScrnPriv,
          /* just 16-bit depth buffer, no hw stencil */
          struct intel_renderbuffer *depthRb
 	    = intel_create_renderbuffer(MESA_FORMAT_Z16);
-         _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthRb->Base);
+         _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthRb->Base.Base);
       }
       else {
 	 assert(mesaVis->depthBits == 0);
diff --git a/src/mesa/drivers/dri/intel/intel_span.c b/src/mesa/drivers/dri/intel/intel_span.c
index 34bcd28f9a2..9b6540d488f 100644
--- a/src/mesa/drivers/dri/intel/intel_span.c
+++ b/src/mesa/drivers/dri/intel/intel_span.c
@@ -121,7 +121,7 @@ intel_renderbuffer_map(struct intel_context *intel, struct gl_renderbuffer *rb)
    if (!irb)
       return;
 
-   if (rb->Map) {
+   if (irb->Base.Map) {
       /* Renderbuffer is already mapped. This usually happens when a single
        * buffer is attached to the framebuffer's depth and stencil attachment
        * points.
@@ -132,8 +132,8 @@ intel_renderbuffer_map(struct intel_context *intel, struct gl_renderbuffer *rb)
    ctx->Driver.MapRenderbuffer(ctx, rb, 0, 0, rb->Width, rb->Height,
 			       GL_MAP_READ_BIT | GL_MAP_WRITE_BIT,
 			       &map, &stride);
-   rb->Map = map;
-   rb->RowStrideBytes = stride;
+   irb->Base.Map = map;
+   irb->Base.RowStride = stride;
 }
 
 static void
@@ -146,7 +146,7 @@ intel_renderbuffer_unmap(struct intel_context *intel,
    if (!irb)
       return;
 
-   if (!rb->Map) {
+   if (!irb->Base.Map) {
       /* Renderbuffer is already unmapped. This usually happens when a single
        * buffer is attached to the framebuffer's depth and stencil attachment
        * points.
@@ -156,8 +156,8 @@ intel_renderbuffer_unmap(struct intel_context *intel,
 
    ctx->Driver.UnmapRenderbuffer(ctx, rb);
 
-   rb->Map = NULL;
-   rb->RowStrideBytes = 0;
+   irb->Base.Map = NULL;
+   irb->Base.RowStride = 0;
 }
 
 static void