st/mesa: remove old emulation for VS and FS variants

Reviewed-by: Dave Airlie <[email protected]>
Reviewed-by: Brian Paul <[email protected]>
Tested-by: Brian Paul <[email protected]>

5 files changed, 17 insertions, 107 deletions

diff --git a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
index 633e90ffa38..1488ea07c1d 100644
--- a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
+++ b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
@@ -4852,7 +4852,7 @@ src_register(struct st_translate *t, const st_src_reg *reg)
 static struct ureg_dst
 translate_dst(struct st_translate *t,
               const st_dst_reg *dst_reg,
-              bool saturate, bool clamp_color)
+              bool saturate)
 {
    struct ureg_dst dst = dst_register(t, dst_reg->file, dst_reg->index,
                                       dst_reg->array_id);
@@ -4864,28 +4864,6 @@ translate_dst(struct st_translate *t,
 
    if (saturate)
       dst = ureg_saturate(dst);
-   else if (clamp_color && dst_reg->file == PROGRAM_OUTPUT) {
-      /* Clamp colors for ARB_color_buffer_float. */
-      switch (t->procType) {
-      case TGSI_PROCESSOR_VERTEX:
-         /* This can only occur with a compatibility profile, which doesn't
-          * support geometry shaders. */
-         if (dst_reg->index == VARYING_SLOT_COL0 ||
-             dst_reg->index == VARYING_SLOT_COL1 ||
-             dst_reg->index == VARYING_SLOT_BFC0 ||
-             dst_reg->index == VARYING_SLOT_BFC1) {
-            dst = ureg_saturate(dst);
-         }
-         break;
-
-      case TGSI_PROCESSOR_FRAGMENT:
-         if (dst_reg->index == FRAG_RESULT_COLOR ||
-             dst_reg->index >= FRAG_RESULT_DATA0) {
-            dst = ureg_saturate(dst);
-         }
-         break;
-      }
-   }
 
    if (dst_reg->reladdr != NULL) {
       assert(dst_reg->file != PROGRAM_TEMPORARY);
@@ -4991,8 +4969,7 @@ translate_tex_offset(struct st_translate *t,
 
 static void
 compile_tgsi_instruction(struct st_translate *t,
-                         const glsl_to_tgsi_instruction *inst,
-                         bool clamp_dst_color_output)
+                         const glsl_to_tgsi_instruction *inst)
 {
    struct ureg_program *ureg = t->ureg;
    GLuint i;
@@ -5010,8 +4987,7 @@ compile_tgsi_instruction(struct st_translate *t,
    for (i = 0; i < num_dst; i++)
       dst[i] = translate_dst(t,
                              &inst->dst[i],
-                             inst->saturate,
-                             clamp_dst_color_output);
+                             inst->saturate);
 
    for (i = 0; i < num_src; i++)
       src[i] = translate_src(t, &inst->src[i]);
@@ -5286,16 +5262,6 @@ emit_face_var(struct gl_context *ctx, struct st_translate *t)
    t->inputs[t->inputMapping[VARYING_SLOT_FACE]] = ureg_src(face_temp);
 }
 
-static void
-emit_edgeflags(struct st_translate *t)
-{
-   struct ureg_program *ureg = t->ureg;
-   struct ureg_dst edge_dst = t->outputs[t->outputMapping[VARYING_SLOT_EDGE]];
-   struct ureg_src edge_src = t->inputs[t->inputMapping[VERT_ATTRIB_EDGEFLAG]];
-
-   ureg_MOV(ureg, edge_dst, edge_src);
-}
-
 static bool
 find_array(unsigned attr, struct array_decl *arrays, unsigned count,
            unsigned *array_id, unsigned *array_size)
@@ -5353,9 +5319,7 @@ st_translate_program(
    const GLuint outputMapping[],
    const GLuint outputSlotToAttr[],
    const ubyte outputSemanticName[],
-   const ubyte outputSemanticIndex[],
-   boolean passthrough_edgeflags,
-   boolean clamp_color)
+   const ubyte outputSemanticIndex[])
 {
    struct st_translate *t;
    unsigned i;
@@ -5544,8 +5508,6 @@ st_translate_program(
             t->outputs[i] = ureg_writemask(t->outputs[i], TGSI_WRITEMASK_X);
          }
       }
-      if (passthrough_edgeflags)
-         emit_edgeflags(t);
    }
 
    /* Declare address register.
@@ -5696,7 +5658,7 @@ st_translate_program(
     */
    foreach_in_list(glsl_to_tgsi_instruction, inst, &program->instructions) {
       set_insn_start(t, ureg_get_instruction_number(ureg));
-      compile_tgsi_instruction(t, inst, clamp_color);
+      compile_tgsi_instruction(t, inst);
    }
 
    /* Fix up all emitted labels:
diff --git a/src/mesa/state_tracker/st_glsl_to_tgsi.h b/src/mesa/state_tracker/st_glsl_to_tgsi.h
index 4af747fa9de..c29fc768e49 100644
--- a/src/mesa/state_tracker/st_glsl_to_tgsi.h
+++ b/src/mesa/state_tracker/st_glsl_to_tgsi.h
@@ -52,9 +52,7 @@ enum pipe_error st_translate_program(
    const GLuint outputMapping[],
    const GLuint outputSlotToAttr[],
    const ubyte outputSemanticName[],
-   const ubyte outputSemanticIndex[],
-   boolean passthrough_edgeflags,
-   boolean clamp_color);
+   const ubyte outputSemanticIndex[]);
 
 void free_glsl_to_tgsi_visitor(struct glsl_to_tgsi_visitor *v);
 void get_pixel_transfer_visitor(struct st_fragment_program *fp,
diff --git a/src/mesa/state_tracker/st_mesa_to_tgsi.c b/src/mesa/state_tracker/st_mesa_to_tgsi.c
index 896e239ee68..4b9dc994ea5 100644
--- a/src/mesa/state_tracker/st_mesa_to_tgsi.c
+++ b/src/mesa/state_tracker/st_mesa_to_tgsi.c
@@ -283,8 +283,7 @@ st_translate_texture_target( GLuint textarget,
 static struct ureg_dst
 translate_dst( struct st_translate *t,
                const struct prog_dst_register *DstReg,
-               boolean saturate,
-               boolean clamp_color)
+               boolean saturate)
 {
    struct ureg_dst dst = dst_register( t, 
                                        DstReg->File,
@@ -295,27 +294,6 @@ translate_dst( struct st_translate *t,
    
    if (saturate)
       dst = ureg_saturate( dst );
-   else if (clamp_color && DstReg->File == PROGRAM_OUTPUT) {
-      /* Clamp colors for ARB_color_buffer_float. */
-      switch (t->procType) {
-      case TGSI_PROCESSOR_VERTEX:
-         /* This can only occur with a compatibility profile, which doesn't
-          * support geometry shaders. */
-         if (DstReg->Index == VARYING_SLOT_COL0 ||
-             DstReg->Index == VARYING_SLOT_COL1 ||
-             DstReg->Index == VARYING_SLOT_BFC0 ||
-             DstReg->Index == VARYING_SLOT_BFC1) {
-            dst = ureg_saturate(dst);
-         }
-         break;
-
-      case TGSI_PROCESSOR_FRAGMENT:
-         if (DstReg->Index >= FRAG_RESULT_COLOR) {
-            dst = ureg_saturate(dst);
-         }
-         break;
-      }
-   }
 
    if (DstReg->RelAddr)
       dst = ureg_dst_indirect( dst, ureg_src(t->address[0]) );
@@ -649,8 +627,7 @@ static void
 compile_instruction(
    struct gl_context *ctx,
    struct st_translate *t,
-   const struct prog_instruction *inst,
-   boolean clamp_dst_color_output)
+   const struct prog_instruction *inst)
 {
    struct ureg_program *ureg = t->ureg;
    GLuint i;
@@ -665,8 +642,7 @@ compile_instruction(
    if (num_dst) 
       dst[0] = translate_dst( t, 
                               &inst->DstReg,
-                              inst->Saturate,
-                              clamp_dst_color_output);
+                              inst->Saturate);
 
    for (i = 0; i < num_src; i++) 
       src[i] = translate_src( t, &inst->SrcReg[i] );
@@ -974,18 +950,6 @@ emit_face_var( struct st_translate *t,
 }
 
 
-static void
-emit_edgeflags( struct st_translate *t,
-                 const struct gl_program *program )
-{
-   struct ureg_program *ureg = t->ureg;
-   struct ureg_dst edge_dst = t->outputs[t->outputMapping[VARYING_SLOT_EDGE]];
-   struct ureg_src edge_src = t->inputs[t->inputMapping[VERT_ATTRIB_EDGEFLAG]];
-
-   ureg_MOV( ureg, edge_dst, edge_src );
-}
-
-
 /**
  * Translate Mesa program to TGSI format.
  * \param program  the program to translate
@@ -1019,9 +983,7 @@ st_translate_mesa_program(
    GLuint numOutputs,
    const GLuint outputMapping[],
    const ubyte outputSemanticName[],
-   const ubyte outputSemanticIndex[],
-   boolean passthrough_edgeflags,
-   boolean clamp_color)
+   const ubyte outputSemanticIndex[])
 {
    struct st_translate translate, *t;
    unsigned i;
@@ -1125,8 +1087,6 @@ st_translate_mesa_program(
             t->outputs[i] = ureg_writemask(t->outputs[i], TGSI_WRITEMASK_X);
 	 }
       }
-      if (passthrough_edgeflags)
-         emit_edgeflags( t, program );
    }
 
    /* Declare address register.
@@ -1231,7 +1191,7 @@ st_translate_mesa_program(
     */
    for (i = 0; i < program->NumInstructions; i++) {
       set_insn_start( t, ureg_get_instruction_number( ureg ));
-      compile_instruction( ctx, t, &program->Instructions[i], clamp_color );
+      compile_instruction(ctx, t, &program->Instructions[i]);
    }
 
    /* Fix up all emitted labels:
diff --git a/src/mesa/state_tracker/st_mesa_to_tgsi.h b/src/mesa/state_tracker/st_mesa_to_tgsi.h
index 62bb654e95a..ed7a3adfe1a 100644
--- a/src/mesa/state_tracker/st_mesa_to_tgsi.h
+++ b/src/mesa/state_tracker/st_mesa_to_tgsi.h
@@ -58,9 +58,7 @@ st_translate_mesa_program(
    GLuint numOutputs,
    const GLuint outputMapping[],
    const ubyte outputSemanticName[],
-   const ubyte outputSemanticIndex[],
-   boolean passthrough_edgeflags,
-   boolean clamp_color);
+   const ubyte outputSemanticIndex[]);
 
 unsigned
 st_translate_texture_target(GLuint textarget, GLboolean shadow);
diff --git a/src/mesa/state_tracker/st_program.c b/src/mesa/state_tracker/st_program.c
index bf6b492e80b..7a6720cee7c 100644
--- a/src/mesa/state_tracker/st_program.c
+++ b/src/mesa/state_tracker/st_program.c
@@ -404,9 +404,7 @@ st_translate_vertex_program(struct st_context *st,
                                    stvp->result_to_output,
                                    output_slot_to_attr,
                                    output_semantic_name,
-                                   output_semantic_index,
-                                   false,
-                                   false);
+                                   output_semantic_index);
    else
       error = st_translate_mesa_program(st->ctx,
                                         TGSI_PROCESSOR_VERTEX,
@@ -422,9 +420,7 @@ st_translate_vertex_program(struct st_context *st,
                                         num_outputs,
                                         stvp->result_to_output,
                                         output_semantic_name,
-                                        output_semantic_index,
-                                        false,
-                                        false);
+                                        output_semantic_index);
 
    if (error)
       goto fail;
@@ -859,8 +855,7 @@ st_translate_fragment_program(struct st_context *st,
                            outputMapping,
                            NULL,
                            fs_output_semantic_name,
-                           fs_output_semantic_index, FALSE,
-                           false);
+                           fs_output_semantic_index);
    else
       st_translate_mesa_program(st->ctx,
                                 TGSI_PROCESSOR_FRAGMENT,
@@ -876,8 +871,7 @@ st_translate_fragment_program(struct st_context *st,
                                 fs_num_outputs,
                                 outputMapping,
                                 fs_output_semantic_name,
-                                fs_output_semantic_index, FALSE,
-                                false);
+                                fs_output_semantic_index);
 
    variant->tgsi.tokens = ureg_get_tokens(ureg, NULL);
    ureg_destroy(ureg);
@@ -1206,9 +1200,7 @@ st_translate_program_common(struct st_context *st,
                         outputMapping,
                         outputSlotToAttr,
                         output_semantic_name,
-                        output_semantic_index,
-                        FALSE,
-                        FALSE);
+                        output_semantic_index);
 
    out_state->tokens = ureg_get_tokens(ureg, NULL);
    ureg_destroy(ureg);