Merge remote-tracking branch 'origin/released'

* origin/released:
  mesa mkfontscale pixman git update 28 jan 2013

10 files changed, 97 insertions, 35 deletions

diff --git a/mesalib/src/mesa/state_tracker/st_cb_bitmap.c b/mesalib/src/mesa/state_tracker/st_cb_bitmap.c
index 843dc5be3..63dbdb29b 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_bitmap.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_bitmap.c
@@ -350,9 +350,8 @@ setup_bitmap_vertex_data(struct st_context *st, bool normalized,
       tBot = (GLfloat) height;
    }
 
-   u_upload_alloc(st->uploader, 0, 4 * sizeof(vertices[0]), vbuf_offset, vbuf,
-		  (void**)&vertices);
-   if (!vbuf) {
+   if (u_upload_alloc(st->uploader, 0, 4 * sizeof(vertices[0]),
+                      vbuf_offset, vbuf, (void **) &vertices) != PIPE_OK) {
       return;
    }
 
diff --git a/mesalib/src/mesa/state_tracker/st_cb_clear.c b/mesalib/src/mesa/state_tracker/st_cb_clear.c
index d01236e28..a5aa8f496 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_clear.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_clear.c
@@ -141,9 +141,8 @@ draw_quad(struct st_context *st,
    GLuint i, offset;
    float (*vertices)[2][4];  /**< vertex pos + color */
 
-   u_upload_alloc(st->uploader, 0, 4 * sizeof(vertices[0]), &offset, &vbuf,
-		  (void**)&vertices);
-   if (!vbuf) {
+   if (u_upload_alloc(st->uploader, 0, 4 * sizeof(vertices[0]),
+                      &offset, &vbuf, (void **) &vertices) != PIPE_OK) {
       return;
    }
 
diff --git a/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c b/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c
index ff8a9dc43..c944b81f6 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c
@@ -568,9 +568,8 @@ draw_quad(struct gl_context *ctx, GLfloat x0, GLfloat y0, GLfloat z,
    struct pipe_resource *buf = NULL;
    unsigned offset;
 
-   u_upload_alloc(st->uploader, 0, 4 * sizeof(verts[0]), &offset, &buf,
-		  (void**)&verts);
-   if (!buf) {
+   if (u_upload_alloc(st->uploader, 0, 4 * sizeof(verts[0]), &offset,
+                      &buf, (void **) &verts) != PIPE_OK) {
       return;
    }
 
@@ -795,7 +794,7 @@ draw_textured_quad(struct gl_context *ctx, GLint x, GLint y, GLfloat z,
    y1 = y + height * ctx->Pixel.ZoomY;
 
    /* convert Z from [0,1] to [-1,-1] to match viewport Z scale/bias */
-   z = z * 2.0 - 1.0;
+   z = z * 2.0f - 1.0f;
 
    draw_quad(ctx, x0, y0, z, x1, y1, color, invertTex,
              normalized ? ((GLfloat) width / sv[0]->texture->width0) : (GLfloat)width,
@@ -1063,7 +1062,7 @@ static void
 clamp_size(struct pipe_context *pipe, GLsizei *width, GLsizei *height,
            struct gl_pixelstore_attrib *unpack)
 {
-   const unsigned maxSize = 
+   const int maxSize =
       1 << (pipe->screen->get_param(pipe->screen,
                                     PIPE_CAP_MAX_TEXTURE_2D_LEVELS) - 1);
 
diff --git a/mesalib/src/mesa/state_tracker/st_cb_drawtex.c b/mesalib/src/mesa/state_tracker/st_cb_drawtex.c
index 269068da2..5ca097004 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_drawtex.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_drawtex.c
@@ -148,10 +148,9 @@ st_DrawTex(struct gl_context *ctx, GLfloat x, GLfloat y, GLfloat z,
       GLfloat *vbuf = NULL;
       GLuint attr;
 
-      u_upload_alloc(st->uploader, 0,
-		     numAttribs * 4 * 4 * sizeof(GLfloat),
-		     &offset, &vbuffer, (void**)&vbuf);
-      if (!vbuffer) {
+      if (u_upload_alloc(st->uploader, 0,
+                         numAttribs * 4 * 4 * sizeof(GLfloat),
+                         &offset, &vbuffer, (void **) &vbuf) != PIPE_OK) {
          return;
       }
       
diff --git a/mesalib/src/mesa/state_tracker/st_cb_texture.c b/mesalib/src/mesa/state_tracker/st_cb_texture.c
index 7f07b741e..3cea2df07 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_texture.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_texture.c
@@ -1555,6 +1555,7 @@ void
 st_init_texture_functions(struct dd_function_table *functions)
 {
    functions->ChooseTextureFormat = st_ChooseTextureFormat;
+   functions->QuerySamplesForFormat = st_QuerySamplesForFormat;
    functions->TexImage = st_TexImage;
    functions->TexSubImage = _mesa_store_texsubimage;
    functions->CompressedTexSubImage = _mesa_store_compressed_texsubimage;
diff --git a/mesalib/src/mesa/state_tracker/st_draw.c b/mesalib/src/mesa/state_tracker/st_draw.c
index de539ca5a..de62264a1 100644
--- a/mesalib/src/mesa/state_tracker/st_draw.c
+++ b/mesalib/src/mesa/state_tracker/st_draw.c
@@ -84,7 +84,12 @@ all_varyings_in_vbos(const struct gl_client_array *arrays[])
 }
 
 
-static void
+/**
+ * Basically, translate Mesa's index buffer information into
+ * a pipe_index_buffer object.
+ * \return TRUE or FALSE for success/failure
+ */
+static boolean
 setup_index_buffer(struct st_context *st,
                    const struct _mesa_index_buffer *ib,
                    struct pipe_index_buffer *ibuffer)
@@ -100,8 +105,12 @@ setup_index_buffer(struct st_context *st,
       ibuffer->offset = pointer_to_offset(ib->ptr);
    }
    else if (st->indexbuf_uploader) {
-      u_upload_data(st->indexbuf_uploader, 0, ib->count * ibuffer->index_size,
-                    ib->ptr, &ibuffer->offset, &ibuffer->buffer);
+      if (u_upload_data(st->indexbuf_uploader, 0,
+                        ib->count * ibuffer->index_size, ib->ptr,
+                        &ibuffer->offset, &ibuffer->buffer) != PIPE_OK) {
+         /* out of memory */
+         return FALSE;
+      }
       u_upload_unmap(st->indexbuf_uploader);
    }
    else {
@@ -110,6 +119,7 @@ setup_index_buffer(struct st_context *st,
    }
 
    cso_set_index_buffer(st->cso_context, ibuffer);
+   return TRUE;
 }
 
 
@@ -220,7 +230,10 @@ st_draw_vbo(struct gl_context *ctx,
             vbo_get_minmax_indices(ctx, prims, ib, &min_index, &max_index,
                                    nr_prims);
 
-      setup_index_buffer(st, ib, &ibuffer);
+      if (!setup_index_buffer(st, ib, &ibuffer)) {
+         /* out of memory */
+         return;
+      }
 
       info.indexed = TRUE;
       if (min_index != ~0 && max_index != ~0) {
diff --git a/mesalib/src/mesa/state_tracker/st_extensions.c b/mesalib/src/mesa/state_tracker/st_extensions.c
index 18d89815d..af54cf7c8 100644
--- a/mesalib/src/mesa/state_tracker/st_extensions.c
+++ b/mesalib/src/mesa/state_tracker/st_extensions.c
@@ -516,6 +516,7 @@ void st_init_extensions(struct st_context *st)
    ctx->Extensions.ARB_fragment_shader = GL_TRUE;
    ctx->Extensions.ARB_half_float_pixel = GL_TRUE;
    ctx->Extensions.ARB_half_float_vertex = GL_TRUE;
+   ctx->Extensions.ARB_internalformat_query = GL_TRUE;
    ctx->Extensions.ARB_map_buffer_range = GL_TRUE;
    ctx->Extensions.ARB_shader_objects = GL_TRUE;
    ctx->Extensions.ARB_shading_language_100 = GL_TRUE;
@@ -594,9 +595,10 @@ void st_init_extensions(struct st_context *st)
       ctx->Const.NativeIntegers = GL_TRUE;
       ctx->Const.MaxClipPlanes = 8;
 
-      /* Extensions that only depend on GLSL 1.3. */
+      /* Extensions that either depend on GLSL 1.30 or are a subset thereof. */
       ctx->Extensions.ARB_conservative_depth = GL_TRUE;
       ctx->Extensions.ARB_shader_bit_encoding = GL_TRUE;
+      ctx->Extensions.OES_depth_texture_cube_map = GL_TRUE;
    } else {
       /* Optional integer support for GLSL 1.2. */
       if (screen->get_shader_param(screen, PIPE_SHADER_VERTEX,
diff --git a/mesalib/src/mesa/state_tracker/st_format.c b/mesalib/src/mesa/state_tracker/st_format.c
index af81f732d..7ef063953 100644
--- a/mesalib/src/mesa/state_tracker/st_format.c
+++ b/mesalib/src/mesa/state_tracker/st_format.c
@@ -1642,6 +1642,40 @@ st_ChooseTextureFormat(struct gl_context *ctx, GLenum target,
 }
 
 
+/**
+ * Called via ctx->Driver.ChooseTextureFormat().
+ */
+size_t
+st_QuerySamplesForFormat(struct gl_context *ctx, GLenum internalFormat,
+                         int samples[16])
+{
+   struct pipe_screen *screen = st_context(ctx)->pipe->screen;
+   enum pipe_format format;
+   unsigned i, bind, num_sample_counts = 0;
+
+   if (_mesa_is_depth_or_stencil_format(internalFormat))
+      bind = PIPE_BIND_DEPTH_STENCIL;
+   else
+      bind = PIPE_BIND_RENDER_TARGET;
+
+   /* Set sample counts in descending order. */
+   for (i = 16; i > 1; i--) {
+      format = st_choose_format(screen, internalFormat, GL_NONE, GL_NONE,
+                                PIPE_TEXTURE_2D, i, bind);
+
+      if (format != PIPE_FORMAT_NONE) {
+         samples[num_sample_counts++] = i;
+      }
+   }
+
+   if (!num_sample_counts) {
+      samples[num_sample_counts++] = 1;
+   }
+
+   return num_sample_counts;
+}
+
+
 GLboolean
 st_sampler_compat_formats(enum pipe_format format1, enum pipe_format format2)
 {
diff --git a/mesalib/src/mesa/state_tracker/st_format.h b/mesalib/src/mesa/state_tracker/st_format.h
index 39397b17a..cb6e5bc96 100644
--- a/mesalib/src/mesa/state_tracker/st_format.h
+++ b/mesalib/src/mesa/state_tracker/st_format.h
@@ -67,6 +67,9 @@ st_ChooseTextureFormat(struct gl_context * ctx, GLenum target,
                        GLint internalFormat,
                        GLenum format, GLenum type);
 
+size_t
+st_QuerySamplesForFormat(struct gl_context *ctx, GLenum internalFormat,
+                         int samples[16]);
 
 /* can we use a sampler view to translate these formats
    only used to make TFP so far */
diff --git a/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
index 1d96e905c..c6ac634a2 100644
--- a/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
+++ b/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
@@ -984,10 +984,13 @@ type_size(const struct glsl_type *type)
        * at link time.
        */
       return 1;
-   default:
-      assert(0);
-      return 0;
+   case GLSL_TYPE_INTERFACE:
+   case GLSL_TYPE_VOID:
+   case GLSL_TYPE_ERROR:
+      assert(!"Invalid type in type_size");
+      break;
    }
+   return 0;
 }
 
 /**
@@ -1932,10 +1935,23 @@ glsl_to_tgsi_visitor::visit(ir_expression *ir)
       }
       break;
    }
+   case ir_unop_pack_snorm_2x16:
+   case ir_unop_pack_unorm_2x16:
+   case ir_unop_pack_half_2x16:
+   case ir_unop_pack_snorm_4x8:
+   case ir_unop_pack_unorm_4x8:
+   case ir_unop_unpack_snorm_2x16:
+   case ir_unop_unpack_unorm_2x16:
+   case ir_unop_unpack_half_2x16:
+   case ir_unop_unpack_half_2x16_split_x:
+   case ir_unop_unpack_half_2x16_split_y:
+   case ir_unop_unpack_snorm_4x8:
+   case ir_unop_unpack_unorm_4x8:
+   case ir_binop_pack_half_2x16_split:
    case ir_quadop_vector:
-      /* This operation should have already been handled.
+      /* This operation is not supported, or should have already been handled.
        */
-      assert(!"Should not get here.");
+      assert(!"Invalid ir opcode in glsl_to_tgsi_visitor::visit()");
       break;
    }
 
@@ -2001,21 +2017,18 @@ glsl_to_tgsi_visitor::visit(ir_dereference_variable *ir)
         				       var->location);
          this->variables.push_tail(entry);
          break;
-      case ir_var_in:
-      case ir_var_inout:
+      case ir_var_shader_in:
          /* The linker assigns locations for varyings and attributes,
           * including deprecated builtins (like gl_Color), user-assign
           * generic attributes (glBindVertexLocation), and
           * user-defined varyings.
-          *
-          * FINISHME: We would hit this path for function arguments.  Fix!
           */
          assert(var->location != -1);
          entry = new(mem_ctx) variable_storage(var,
                                                PROGRAM_INPUT,
                                                var->location);
          break;
-      case ir_var_out:
+      case ir_var_shader_out:
          assert(var->location != -1);
          entry = new(mem_ctx) variable_storage(var,
                                                PROGRAM_OUTPUT,
@@ -2304,7 +2317,7 @@ glsl_to_tgsi_visitor::visit(ir_assignment *ir)
       assert(!ir->lhs->type->is_scalar() && !ir->lhs->type->is_vector());
       l.writemask = WRITEMASK_XYZW;
    } else if (ir->lhs->type->is_scalar() &&
-              ir->lhs->variable_referenced()->mode == ir_var_out) {
+              ir->lhs->variable_referenced()->mode == ir_var_shader_out) {
       /* FINISHME: This hack makes writing to gl_FragDepth, which lives in the
        * FINISHME: W component of fragment shader output zero, work correctly.
        */
@@ -2581,8 +2594,8 @@ glsl_to_tgsi_visitor::visit(ir_call *ir)
       ir_rvalue *param_rval = (ir_rvalue *)iter.get();
       ir_variable *param = (ir_variable *)sig_iter.get();
 
-      if (param->mode == ir_var_in ||
-          param->mode == ir_var_inout) {
+      if (param->mode == ir_var_function_in ||
+          param->mode == ir_var_function_inout) {
          variable_storage *storage = find_variable_storage(param);
          assert(storage);
 
@@ -2617,8 +2630,8 @@ glsl_to_tgsi_visitor::visit(ir_call *ir)
       ir_rvalue *param_rval = (ir_rvalue *)iter.get();
       ir_variable *param = (ir_variable *)sig_iter.get();
 
-      if (param->mode == ir_var_out ||
-          param->mode == ir_var_inout) {
+      if (param->mode == ir_var_function_out ||
+          param->mode == ir_var_function_inout) {
          variable_storage *storage = find_variable_storage(param);
          assert(storage);