xserver mesa git update 21 nov 2013

xserver          commit 6403cbb143c67872ca9c58e3116ae7942def0ae1
mesa             commit b7c0b61782251c1dedb0b0fb0e6654af81249910

9 files changed, 39 insertions, 17 deletions

diff --git a/mesalib/src/gallium/auxiliary/util/u_blit.c b/mesalib/src/gallium/auxiliary/util/u_blit.c
index 4ba71b929..595287d3b 100644
--- a/mesalib/src/gallium/auxiliary/util/u_blit.c
+++ b/mesalib/src/gallium/auxiliary/util/u_blit.c
@@ -272,7 +272,8 @@ setup_vertex_data_tex(struct blit_state *ctx,
       const unsigned stride = sizeof ctx->vertices[0] / sizeof ctx->vertices[0][0][0];
       util_map_texcoords2d_onto_cubemap(src_face,
                                         &ctx->vertices[0][1][0], stride,
-                                        &ctx->vertices[0][1][0], stride);
+                                        &ctx->vertices[0][1][0], stride,
+                                        TRUE);
    }
 
    offset = get_next_slot( ctx );
diff --git a/mesalib/src/gallium/auxiliary/util/u_blitter.c b/mesalib/src/gallium/auxiliary/util/u_blitter.c
index 096d3bc2b..b95cbab12 100644
--- a/mesalib/src/gallium/auxiliary/util/u_blitter.c
+++ b/mesalib/src/gallium/auxiliary/util/u_blitter.c
@@ -659,7 +659,8 @@ static void blitter_set_texcoords(struct blitter_context_priv *ctx,
       util_map_texcoords2d_onto_cubemap(layer % 6,
                                         /* pointer, stride in floats */
                                         &face_coord[0][0], 2,
-                                        &ctx->vertices[0][1][0], 8);
+                                        &ctx->vertices[0][1][0], 8,
+                                        TRUE);
    } else {
       set_texcoords_in_vertices(coord, &ctx->vertices[0][1][0], 8);
    }
diff --git a/mesalib/src/gallium/auxiliary/util/u_gen_mipmap.c b/mesalib/src/gallium/auxiliary/util/u_gen_mipmap.c
index a885f2b0f..84bf30f08 100644
--- a/mesalib/src/gallium/auxiliary/util/u_gen_mipmap.c
+++ b/mesalib/src/gallium/auxiliary/util/u_gen_mipmap.c
@@ -1409,7 +1409,8 @@ set_vertex_data(struct gen_mipmap_state *ctx,
       };
 
       util_map_texcoords2d_onto_cubemap(layer, &st[0][0], 2,
-                                        &ctx->vertices[0][1][0], 8);
+                                        &ctx->vertices[0][1][0], 8,
+                                        FALSE);
    }
    else if (tex_target == PIPE_TEXTURE_1D_ARRAY) {
       /* 1D texture array  */
diff --git a/mesalib/src/gallium/auxiliary/util/u_texture.c b/mesalib/src/gallium/auxiliary/util/u_texture.c
index d97e57a79..e865f8e73 100644
--- a/mesalib/src/gallium/auxiliary/util/u_texture.c
+++ b/mesalib/src/gallium/auxiliary/util/u_texture.c
@@ -42,7 +42,8 @@
 
 void util_map_texcoords2d_onto_cubemap(unsigned face,
                                        const float *in_st, unsigned in_stride,
-                                       float *out_str, unsigned out_stride)
+                                       float *out_str, unsigned out_stride,
+                                       boolean allow_scale)
 {
    int i;
    float rx, ry, rz;
@@ -52,8 +53,14 @@ void util_map_texcoords2d_onto_cubemap(unsigned face,
       /* Compute sc = +/-scale and tc = +/-scale.
        * Not +/-1 to avoid cube face selection ambiguity near the edges,
        * though that can still sometimes happen with this scale factor...
+       *
+       * XXX: Yep, there is no safe scale factor that will prevent sampling
+       * the neighbouring face when stretching out.  A more reliable solution
+       * would be to clamp (sc, tc) against +/- 1.0-1.0/mipsize, in the shader.
+       *
+       * Also, this is not necessary when minifying, or 1:1 blits.
        */
-      const float scale = 0.9999f;
+      const float scale = allow_scale ? 0.9999f : 1.0f;
       const float sc = (2 * in_st[0] - 1) * scale;
       const float tc = (2 * in_st[1] - 1) * scale;
 
diff --git a/mesalib/src/gallium/auxiliary/util/u_texture.h b/mesalib/src/gallium/auxiliary/util/u_texture.h
index 93b2f1e4c..b1c8c7091 100644
--- a/mesalib/src/gallium/auxiliary/util/u_texture.h
+++ b/mesalib/src/gallium/auxiliary/util/u_texture.h
@@ -27,6 +27,8 @@
 #ifndef U_TEXTURE_H
 #define U_TEXTURE_H
 
+#include "pipe/p_compiler.h"
+
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -44,7 +46,8 @@ extern "C" {
  */
 void util_map_texcoords2d_onto_cubemap(unsigned face,
                                        const float *in_st, unsigned in_stride,
-                                       float *out_str, unsigned out_stride);
+                                       float *out_str, unsigned out_stride,
+                                       boolean allow_scale);
 
 
 #ifdef __cplusplus
diff --git a/mesalib/src/mesa/drivers/dri/swrast/swrast.c b/mesalib/src/mesa/drivers/dri/swrast/swrast.c
index c062071b0..73dc5c4c0 100644
--- a/mesalib/src/mesa/drivers/dri/swrast/swrast.c
+++ b/mesalib/src/mesa/drivers/dri/swrast/swrast.c
@@ -406,8 +406,8 @@ swrast_map_renderbuffer(struct gl_context *ctx,
 				     (char *) xrb->Base.Buffer,
 				     dPriv->loaderPrivate);
 
-      *out_map = xrb->Base.Buffer;
-      *out_stride = stride;
+      *out_map = xrb->Base.Buffer + (h - 1) * stride;
+      *out_stride = -stride;
       return;
    }
 
diff --git a/mesalib/src/mesa/program/prog_statevars.c b/mesalib/src/mesa/program/prog_statevars.c
index f6fd53576..58e1f496e 100644
--- a/mesalib/src/mesa/program/prog_statevars.c
+++ b/mesalib/src/mesa/program/prog_statevars.c
@@ -368,6 +368,13 @@ _mesa_fetch_state(struct gl_context *ctx, const gl_state_index state[],
                COPY_4V(value, ctx->FragmentProgram.Parameters[idx]);
                return;
             case STATE_LOCAL:
+               if (!ctx->FragmentProgram.Current->Base.LocalParams) {
+                  ctx->FragmentProgram.Current->Base.LocalParams =
+                     calloc(MAX_PROGRAM_LOCAL_PARAMS, sizeof(float[4]));
+                  if (!ctx->FragmentProgram.Current->Base.LocalParams)
+                     return;
+               }
+
                COPY_4V(value, ctx->FragmentProgram.Current->Base.LocalParams[idx]);
                return;
             default:
@@ -387,6 +394,13 @@ _mesa_fetch_state(struct gl_context *ctx, const gl_state_index state[],
                COPY_4V(value, ctx->VertexProgram.Parameters[idx]);
                return;
             case STATE_LOCAL:
+               if (!ctx->VertexProgram.Current->Base.LocalParams) {
+                  ctx->VertexProgram.Current->Base.LocalParams =
+                     calloc(MAX_PROGRAM_LOCAL_PARAMS, sizeof(float[4]));
+                  if (!ctx->VertexProgram.Current->Base.LocalParams)
+                     return;
+               }
+
                COPY_4V(value, ctx->VertexProgram.Current->Base.LocalParams[idx]);
                return;
             default:
diff --git a/mesalib/src/mesa/program/program_parse.y b/mesalib/src/mesa/program/program_parse.y
index 03c0a3dba..a76db4e86 100644
--- a/mesalib/src/mesa/program/program_parse.y
+++ b/mesalib/src/mesa/program/program_parse.y
@@ -25,7 +25,6 @@
 #include <stdlib.h>
 #include <string.h>
 
-#include "main/macros.h"
 #include "main/mtypes.h"
 #include "main/imports.h"
 #include "program/program.h"
@@ -2560,12 +2559,6 @@ initialize_symbol_from_param(struct gl_program *prog,
    param_var->type = at_param;
    param_var->param_binding_type = PROGRAM_STATE_VAR;
 
-   /* Dynamically allocate LocalParams, since it's a large array to have
-    * statically in every gl_program otherwise.
-    */
-   if (state_tokens[1] == STATE_LOCAL && !prog->LocalParams)
-      prog->LocalParams = calloc(MAX_PROGRAM_LOCAL_PARAMS, sizeof(float[4]));
-
    /* If we are adding a STATE_ENV or STATE_LOCAL that has multiple elements,
     * we need to unroll it and call add_state_reference() for each row
     */
diff --git a/mesalib/src/mesa/state_tracker/st_cb_feedback.c b/mesalib/src/mesa/state_tracker/st_cb_feedback.c
index d2e4346b7..34a16ccf9 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_feedback.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_feedback.c
@@ -85,9 +85,11 @@ feedback_vertex(struct gl_context *ctx, const struct draw_context *draw,
    const GLfloat *color, *texcoord;
    GLuint slot;
 
-   /* Recall that Y=0=Top of window for Gallium wincoords */
    win[0] = v->data[0][0];
-   win[1] = ctx->DrawBuffer->Height - v->data[0][1];
+   if (st_fb_orientation(ctx->DrawBuffer) == Y_0_TOP)
+      win[1] = ctx->DrawBuffer->Height - v->data[0][1];
+   else
+      win[1] = v->data[0][1];
    win[2] = v->data[0][2];
    win[3] = 1.0F / v->data[0][3];