mesa git update 11 May 2014

mesa             commit 83b4ec03e77645c537d540a12253b3492bad4b59

5 files changed, 52 insertions, 18 deletions

diff --git a/mesalib/src/glsl/link_varyings.cpp b/mesalib/src/glsl/link_varyings.cpp
index ac38a2f31..71998dfa9 100644
--- a/mesalib/src/glsl/link_varyings.cpp
+++ b/mesalib/src/glsl/link_varyings.cpp
@@ -992,7 +992,7 @@ varying_matches::match_comparator(const void *x_generic, const void *y_generic)
  * varyings, but excludes variables such as gl_FrontFacing and gl_FragCoord.
  */
 static bool
-is_varying_var(gl_shader_stage stage, const ir_variable *var)
+var_counts_against_varying_limit(gl_shader_stage stage, const ir_variable *var)
 {
    /* Only fragment shaders will take a varying variable as an input */
    if (stage == MESA_SHADER_FRAGMENT &&
@@ -1462,7 +1462,7 @@ check_against_output_limit(struct gl_context *ctx,
       ir_variable *const var = ((ir_instruction *) node)->as_variable();
 
       if (var && var->data.mode == ir_var_shader_out &&
-          is_varying_var(producer->Stage, var)) {
+          var_counts_against_varying_limit(producer->Stage, var)) {
          output_vectors += var->type->count_attribute_slots();
       }
    }
@@ -1501,7 +1501,7 @@ check_against_input_limit(struct gl_context *ctx,
       ir_variable *const var = ((ir_instruction *) node)->as_variable();
 
       if (var && var->data.mode == ir_var_shader_in &&
-          is_varying_var(consumer->Stage, var)) {
+          var_counts_against_varying_limit(consumer->Stage, var)) {
          input_vectors += var->type->count_attribute_slots();
       }
    }
diff --git a/mesalib/src/mesa/main/fbobject.c b/mesalib/src/mesa/main/fbobject.c
index ca16ae1ec..97538bc7b 100644
--- a/mesalib/src/mesa/main/fbobject.c
+++ b/mesalib/src/mesa/main/fbobject.c
@@ -1058,6 +1058,8 @@ _mesa_test_framebuffer_completeness(struct gl_context *ctx,
       if (att->Layered) {
          if (att_tex_target == GL_TEXTURE_CUBE_MAP)
             att_layer_count = 6;
+         else if (att_tex_target == GL_TEXTURE_1D_ARRAY)
+            att_layer_count = att->Renderbuffer->Height;
          else
             att_layer_count = att->Renderbuffer->Depth;
       } else {
diff --git a/mesalib/src/mesa/main/shaderapi.c b/mesalib/src/mesa/main/shaderapi.c
index 6f84acd01..28739daeb 100644
--- a/mesalib/src/mesa/main/shaderapi.c
+++ b/mesalib/src/mesa/main/shaderapi.c
@@ -1879,6 +1879,11 @@ _mesa_copy_linked_program_data(gl_shader_stage type,
       dst_gp->UsesEndPrimitive = src->Geom.UsesEndPrimitive;
    }
       break;
+   case MESA_SHADER_FRAGMENT: {
+      struct gl_fragment_program *dst_fp = (struct gl_fragment_program *) dst;
+      dst_fp->FragDepthLayout = src->FragDepthLayout;
+   }
+      break;
    case MESA_SHADER_COMPUTE: {
       struct gl_compute_program *dst_cp = (struct gl_compute_program *) dst;
       int i;
diff --git a/mesalib/src/mesa/main/teximage.c b/mesalib/src/mesa/main/teximage.c
index c7f301cbd..845ba8014 100644
--- a/mesalib/src/mesa/main/teximage.c
+++ b/mesalib/src/mesa/main/teximage.c
@@ -3024,7 +3024,7 @@ _mesa_choose_texture_format(struct gl_context *ctx,
    }
 
    /* choose format from scratch */
-   f = ctx->Driver.ChooseTextureFormat(ctx, texObj->Target, internalFormat,
+   f = ctx->Driver.ChooseTextureFormat(ctx, target, internalFormat,
                                        format, type);
    ASSERT(f != MESA_FORMAT_NONE);
    return f;
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 6eb6c8a97..bdee1f4eb 100644
--- a/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
+++ b/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
@@ -87,8 +87,7 @@ extern "C" {
  */
 #define MAX_ARRAYS        256
 
-/* if we support a native gallium TG4 with the ability to take 4 texoffsets then bump this */
-#define MAX_GLSL_TEXTURE_OFFSET 1
+#define MAX_GLSL_TEXTURE_OFFSET 4
 
 class st_src_reg;
 class st_dst_reg;
@@ -2728,12 +2727,13 @@ glsl_to_tgsi_visitor::visit(ir_call *ir)
 void
 glsl_to_tgsi_visitor::visit(ir_texture *ir)
 {
-   st_src_reg result_src, coord, cube_sc, lod_info, projector, dx, dy, offset, sample_index, component;
+   st_src_reg result_src, coord, cube_sc, lod_info, projector, dx, dy, offset[MAX_GLSL_TEXTURE_OFFSET], sample_index, component;
    st_dst_reg result_dst, coord_dst, cube_sc_dst;
    glsl_to_tgsi_instruction *inst = NULL;
    unsigned opcode = TGSI_OPCODE_NOP;
    const glsl_type *sampler_type = ir->sampler->type;
    bool is_cube_array = false;
+   unsigned i;
 
    /* if we are a cube array sampler */
    if ((sampler_type->sampler_dimensionality == GLSL_SAMPLER_DIM_CUBE &&
@@ -2771,7 +2771,7 @@ glsl_to_tgsi_visitor::visit(ir_texture *ir)
       opcode = (is_cube_array && ir->shadow_comparitor) ? TGSI_OPCODE_TEX2 : TGSI_OPCODE_TEX; 
       if (ir->offset) {
          ir->offset->accept(this);
-         offset = this->result;
+         offset[0] = this->result;
       }
       break;
    case ir_txb:
@@ -2780,7 +2780,7 @@ glsl_to_tgsi_visitor::visit(ir_texture *ir)
       lod_info = this->result;
       if (ir->offset) {
          ir->offset->accept(this);
-         offset = this->result;
+         offset[0] = this->result;
       }
       break;
    case ir_txl:
@@ -2789,7 +2789,7 @@ glsl_to_tgsi_visitor::visit(ir_texture *ir)
       lod_info = this->result;
       if (ir->offset) {
          ir->offset->accept(this);
-         offset = this->result;
+         offset[0] = this->result;
       }
       break;
    case ir_txd:
@@ -2800,7 +2800,7 @@ glsl_to_tgsi_visitor::visit(ir_texture *ir)
       dy = this->result;
       if (ir->offset) {
          ir->offset->accept(this);
-         offset = this->result;
+         offset[0] = this->result;
       }
       break;
    case ir_txs:
@@ -2814,7 +2814,7 @@ glsl_to_tgsi_visitor::visit(ir_texture *ir)
       lod_info = this->result;
       if (ir->offset) {
          ir->offset->accept(this);
-         offset = this->result;
+         offset[0] = this->result;
       }
       break;
    case ir_txf_ms:
@@ -2828,9 +2828,17 @@ glsl_to_tgsi_visitor::visit(ir_texture *ir)
       component = this->result;
       if (ir->offset) {
          ir->offset->accept(this);
-         /* this should have been lowered */
-         assert(ir->offset->type->base_type != GLSL_TYPE_ARRAY);
-         offset = this->result;
+         if (ir->offset->type->base_type == GLSL_TYPE_ARRAY) {
+            const glsl_type *elt_type = ir->offset->type->fields.array;
+            for (i = 0; i < ir->offset->type->length; i++) {
+               offset[i] = this->result;
+               offset[i].index += i * type_size(elt_type);
+               offset[i].type = elt_type->base_type;
+               offset[i].swizzle = swizzle_for_size(elt_type->vector_elements);
+            }
+         } else {
+            offset[0] = this->result;
+         }
       }
       break;
    case ir_lod:
@@ -2960,8 +2968,9 @@ glsl_to_tgsi_visitor::visit(ir_texture *ir)
         					   this->prog);
 
    if (ir->offset) {
-      inst->tex_offset_num_offset = 1;
-      inst->tex_offsets[0] = offset;
+      for (i = 0; i < MAX_GLSL_TEXTURE_OFFSET && offset[i].file != PROGRAM_UNDEFINED; i++)
+         inst->tex_offsets[i] = offset[i];
+      inst->tex_offset_num_offset = i;
    }
 
    switch (sampler_type->sampler_dimensionality) {
@@ -4479,6 +4488,8 @@ translate_tex_offset(struct st_translate *t,
 {
    struct tgsi_texture_offset offset;
    struct ureg_src imm_src;
+   struct ureg_dst dst;
+   int array;
 
    switch (in_offset->file) {
    case PROGRAM_IMMEDIATE:
@@ -4500,6 +4511,20 @@ translate_tex_offset(struct st_translate *t,
       offset.SwizzleZ = GET_SWZ(in_offset->swizzle, 2);
       offset.Padding = 0;
       break;
+   case PROGRAM_ARRAY:
+      array = in_offset->index >> 16;
+
+      assert(array >= 0);
+      assert(array < (int) Elements(t->arrays));
+
+      dst = t->arrays[array];
+      offset.File = dst.File;
+      offset.Index = dst.Index + (in_offset->index & 0xFFFF) - 0x8000;
+      offset.SwizzleX = GET_SWZ(in_offset->swizzle, 0);
+      offset.SwizzleY = GET_SWZ(in_offset->swizzle, 1);
+      offset.SwizzleZ = GET_SWZ(in_offset->swizzle, 2);
+      offset.Padding = 0;
+      break;
    default:
       break;
    }
@@ -5350,6 +5375,7 @@ st_new_shader_program(struct gl_context *ctx, GLuint name)
 GLboolean
 st_link_shader(struct gl_context *ctx, struct gl_shader_program *prog)
 {
+   struct pipe_screen *pscreen = ctx->st->pipe->screen;
    assert(prog->LinkStatus);
 
    for (unsigned i = 0; i < MESA_SHADER_STAGES; i++) {
@@ -5388,7 +5414,8 @@ st_link_shader(struct gl_context *ctx, struct gl_shader_program *prog)
          lower_packing_builtins(ir, lower_inst);
       }
 
-      lower_offset_arrays(ir);
+      if (!pscreen->get_param(pscreen, PIPE_CAP_TEXTURE_GATHER_OFFSETS))
+         lower_offset_arrays(ir);
       do_mat_op_to_vec(ir);
       lower_instructions(ir,
                          MOD_TO_FRACT |