Merge branch 'mesa_7_5_branch'

6 files changed, 78 insertions, 36 deletions

diff --git a/src/mesa/state_tracker/st_atom_shader.c b/src/mesa/state_tracker/st_atom_shader.c
index c02ccc3528..299aa762c2 100644
--- a/src/mesa/state_tracker/st_atom_shader.c
+++ b/src/mesa/state_tracker/st_atom_shader.c
@@ -137,22 +137,15 @@ find_translated_vp(struct st_context *st,
 
       for (inAttr = 0; inAttr < FRAG_ATTRIB_MAX; inAttr++) {
          if (fragInputsRead & (1 << inAttr)) {
+            stfp->input_to_slot[inAttr] = numIn;
+            numIn++;
             if ((fragInputsRead & FRAG_BIT_FOGC)) {
-               if (stfp->Base.UsesPointCoord) {
-                  stfp->input_to_slot[inAttr] = numIn;
-                  numIn++;
+               /* leave placeholders for the
+                * extra registers we extract from fog */
+               if (stfp->Base.UsesFrontFacing ||
+                   stfp->Base.UsesPointCoord) {
+                  numIn += 2;
                }
-               if (stfp->Base.UsesFrontFacing) {
-                  stfp->input_to_slot[inAttr] = numIn;
-                  numIn++;
-               }
-               if (stfp->Base.UsesFogFragCoord) {
-                  stfp->input_to_slot[inAttr] = numIn;
-                  numIn++;
-               }
-            } else {
-               stfp->input_to_slot[inAttr] = numIn;
-               numIn++;
             }
          }
          else {
diff --git a/src/mesa/state_tracker/st_cb_drawpixels.c b/src/mesa/state_tracker/st_cb_drawpixels.c
index 2027b713ce..8b5094a04f 100644
--- a/src/mesa/state_tracker/st_cb_drawpixels.c
+++ b/src/mesa/state_tracker/st_cb_drawpixels.c
@@ -1037,10 +1037,16 @@ st_CopyPixels(GLcontext *ctx, GLint srcx, GLint srcy,
          st_cond_flush_get_tex_transfer(st, rbRead->texture, 0, 0, 0,
 					PIPE_TRANSFER_READ, srcx, srcy, width,
 					height);
+      struct pipe_transfer *ptTex;
+      enum pipe_transfer_usage transfer_usage;
 
-      struct pipe_transfer *ptTex =
-         st_cond_flush_get_tex_transfer(st, pt, 0, 0, 0, PIPE_TRANSFER_WRITE,
-					0, 0, width, height);
+      if (type == GL_DEPTH && pf_is_depth_and_stencil(pt->format))
+         transfer_usage = PIPE_TRANSFER_READ_WRITE;
+      else
+         transfer_usage = PIPE_TRANSFER_WRITE;
+
+      ptTex = st_cond_flush_get_tex_transfer(st, pt, 0, 0, 0, transfer_usage,
+                                             0, 0, width, height);
 
       if (type == GL_COLOR) {
          /* alternate path using get/put_tile() */
diff --git a/src/mesa/state_tracker/st_cb_texture.c b/src/mesa/state_tracker/st_cb_texture.c
index 0a72784ce0..909189f9d3 100644
--- a/src/mesa/state_tracker/st_cb_texture.c
+++ b/src/mesa/state_tracker/st_cb_texture.c
@@ -529,6 +529,7 @@ st_TexImage(GLcontext * ctx,
    GLint texelBytes, sizeInBytes;
    GLuint dstRowStride;
    struct gl_pixelstore_attrib unpackNB;
+   enum pipe_transfer_usage transfer_usage;
 
    DBG("%s target %s level %d %dx%dx%d border %d\n", __FUNCTION__,
        _mesa_lookup_enum_by_nr(target), level, width, height, depth, border);
@@ -680,8 +681,14 @@ st_TexImage(GLcontext * ctx,
    }
 
    if (stImage->pt) {
+      if (format == GL_DEPTH_COMPONENT &&
+          pf_is_depth_and_stencil(stImage->pt->format))
+         transfer_usage = PIPE_TRANSFER_READ_WRITE;
+      else
+         transfer_usage = PIPE_TRANSFER_WRITE;
+
       texImage->Data = st_texture_image_map(ctx->st, stImage, 0,
-                                            PIPE_TRANSFER_WRITE, 0, 0,
+                                            transfer_usage, 0, 0,
                                             stImage->base.Width,
                                             stImage->base.Height);
       if(stImage->transfer)
@@ -742,7 +749,7 @@ st_TexImage(GLcontext * ctx,
 	    st_texture_image_unmap(ctx->st, stImage);
             /* map next slice of 3D texture */
 	    texImage->Data = st_texture_image_map(ctx->st, stImage, i + 1,
-                                                  PIPE_TRANSFER_WRITE, 0, 0,
+                                                  transfer_usage, 0, 0,
                                                   stImage->base.Width,
                                                   stImage->base.Height);
 	    src += srcImageStride;
@@ -1041,6 +1048,7 @@ st_TexSubimage(GLcontext *ctx, GLint dims, GLenum target, GLint level,
       _mesa_image_image_stride(packing, width, height, format, type);
    GLint i;
    const GLubyte *src;
+   enum pipe_transfer_usage transfer_usage;
 
    DBG("%s target %s level %d offset %d,%d %dx%d\n", __FUNCTION__,
        _mesa_lookup_enum_by_nr(target),
@@ -1072,10 +1080,16 @@ st_TexSubimage(GLcontext *ctx, GLint dims, GLenum target, GLint level,
     * from uploading the buffer under us.
     */
    if (stImage->pt) {
+      if (format == GL_DEPTH_COMPONENT &&
+          pf_is_depth_and_stencil(stImage->pt->format))
+         transfer_usage = PIPE_TRANSFER_READ_WRITE;
+      else
+         transfer_usage = PIPE_TRANSFER_WRITE;
+
       st_teximage_flush_before_map(ctx->st, stImage->pt, 0, level,
-				   PIPE_TRANSFER_WRITE);
+				   transfer_usage);
       texImage->Data = st_texture_image_map(ctx->st, stImage, zoffset, 
-                                            PIPE_TRANSFER_WRITE,
+                                            transfer_usage,
                                             xoffset, yoffset,
                                             width, height);
    }
@@ -1106,7 +1120,7 @@ st_TexSubimage(GLcontext *ctx, GLint dims, GLenum target, GLint level,
          /* map next slice of 3D texture */
 	 texImage->Data = st_texture_image_map(ctx->st, stImage,
                                                zoffset + i + 1,
-                                               PIPE_TRANSFER_WRITE,
+                                               transfer_usage,
                                                xoffset, yoffset,
                                                width, height);
 	 src += srcImageStride;
@@ -1274,6 +1288,7 @@ fallback_copy_texsubimage(GLcontext *ctx, GLenum target, GLint level,
    struct pipe_screen *screen = pipe->screen;
    struct pipe_transfer *src_trans;
    GLvoid *texDest;
+   enum pipe_transfer_usage transfer_usage;
 
    assert(width <= MAX_WIDTH);
 
@@ -1288,10 +1303,16 @@ fallback_copy_texsubimage(GLcontext *ctx, GLenum target, GLint level,
 					       srcX, srcY,
 					       width, height);
 
+   if (baseFormat == GL_DEPTH_COMPONENT &&
+       pf_is_depth_and_stencil(stImage->pt->format))
+      transfer_usage = PIPE_TRANSFER_READ_WRITE;
+   else
+      transfer_usage = PIPE_TRANSFER_WRITE;
+
    st_teximage_flush_before_map(ctx->st, stImage->pt, 0, 0,
-				PIPE_TRANSFER_WRITE);
+				transfer_usage);
 
-   texDest = st_texture_image_map(ctx->st, stImage, 0, PIPE_TRANSFER_WRITE,
+   texDest = st_texture_image_map(ctx->st, stImage, 0, transfer_usage,
                                   destX, destY, width, height);
 
    if (baseFormat == GL_DEPTH_COMPONENT ||
diff --git a/src/mesa/state_tracker/st_framebuffer.c b/src/mesa/state_tracker/st_framebuffer.c
index 13589151ba..ca32b2e573 100644
--- a/src/mesa/state_tracker/st_framebuffer.c
+++ b/src/mesa/state_tracker/st_framebuffer.c
@@ -280,7 +280,8 @@ st_notify_swapbuffers(struct st_framebuffer *stfb)
 		PIPE_FLUSH_SWAPBUFFERS |
 		PIPE_FLUSH_FRAME,
                 NULL );
-      ctx->st->frontbuffer_status = FRONT_STATUS_COPY_OF_BACK;
+      if (st_renderbuffer(stfb->Base.Attachment[BUFFER_BACK_LEFT].Renderbuffer))
+         ctx->st->frontbuffer_status = FRONT_STATUS_COPY_OF_BACK;
    }
 }
 
diff --git a/src/mesa/state_tracker/st_mesa_to_tgsi.c b/src/mesa/state_tracker/st_mesa_to_tgsi.c
index 3140ebe04a..8aef3fc6dc 100644
--- a/src/mesa/state_tracker/st_mesa_to_tgsi.c
+++ b/src/mesa/state_tracker/st_mesa_to_tgsi.c
@@ -122,8 +122,15 @@ map_register_file_index(
                                      SWIZZLE_X,
                                      SWIZZLE_X,
                                      SWIZZLE_X);
+            /* register after fog */
+            return inputMapping[index] + 1;
          } else {
-            /* fixme: point coord */
+            *swizzle = MAKE_SWIZZLE4(SWIZZLE_Z,
+                                     SWIZZLE_W,
+                                     SWIZZLE_Z,
+                                     SWIZZLE_W);
+            /* register after frontface */
+            return inputMapping[index] + 2;
          }
       }
       /* inputs are mapped according to the user-defined map */
diff --git a/src/mesa/state_tracker/st_program.c b/src/mesa/state_tracker/st_program.c
index 3365bc0b8b..e4d3bb33c7 100644
--- a/src/mesa/state_tracker/st_program.c
+++ b/src/mesa/state_tracker/st_program.c
@@ -453,20 +453,34 @@ st_translate_fragment_program(struct st_context *st,
             stfp->input_semantic_index[slot] = 1;
             interpMode[slot] = TGSI_INTERPOLATE_LINEAR;
             break;
-         case FRAG_ATTRIB_FOGC:
-            if (stfp->Base.UsesPointCoord) {
-               stfp->input_semantic_name[slot] = TGSI_SEMANTIC_GENERIC;
-               stfp->input_semantic_index[slot] = num_generic++;
-               interpMode[slot] = TGSI_INTERPOLATE_PERSPECTIVE;
-            } else if (stfp->Base.UsesFrontFacing) {
-               stfp->input_semantic_name[slot] = TGSI_SEMANTIC_FACE;
-               stfp->input_semantic_index[slot] = 0;
-               interpMode[slot] = TGSI_INTERPOLATE_CONSTANT;
-            } else {
+         case FRAG_ATTRIB_FOGC: {
+            int extra_decls = 0;
+            if (stfp->Base.UsesFogFragCoord) {
                stfp->input_semantic_name[slot] = TGSI_SEMANTIC_FOG;
                stfp->input_semantic_index[slot] = 0;
                interpMode[slot] = TGSI_INTERPOLATE_PERSPECTIVE;
+               input_flags[slot] = stfp->Base.Base.InputFlags[attr];
+               ++extra_decls;
 	    }
+            if (stfp->Base.UsesFrontFacing) {
+               GLint idx = slot + extra_decls;
+               stfp->input_semantic_name[idx] = TGSI_SEMANTIC_FACE;
+               stfp->input_semantic_index[idx] = 0;
+               interpMode[idx] = TGSI_INTERPOLATE_CONSTANT;
+               input_flags[idx] = stfp->Base.Base.InputFlags[attr];
+               ++extra_decls;
+            }
+            if (stfp->Base.UsesPointCoord) {
+               GLint idx = slot + extra_decls;
+               stfp->input_semantic_name[idx] = TGSI_SEMANTIC_GENERIC;
+               stfp->input_semantic_index[idx] = num_generic++;
+               interpMode[idx] = TGSI_INTERPOLATE_PERSPECTIVE;
+               input_flags[idx] = stfp->Base.Base.InputFlags[attr];
+               ++extra_decls;
+            }
+            fs_num_inputs += extra_decls - 1;
+            continue;
+         }
             break;
          case FRAG_ATTRIB_TEX0:
          case FRAG_ATTRIB_TEX1: