gallium: more work for edgeflags changes

fixes, cleanups, etc.
not working yet

src/gallium/auxiliary/draw/draw_private.h

@@ -182,6 +182,7 @@ struct draw_context
       struct draw_vertex_shader *vertex_shader;
       uint num_vs_outputs;  /**< convenience, from vertex_shader */
       uint position_output;
+      uint edgeflag_output;
 
       /** TGSI program interpreter runtime state */
       struct tgsi_exec_machine *machine;

src/gallium/auxiliary/draw/draw_pt.c

@@ -314,14 +314,3 @@ draw_arrays(struct draw_context *draw, unsigned prim,
    /* drawing done here: */
    draw_pt_arrays(draw, prim, start, count);
 }
-
-boolean draw_pt_get_edgeflag( struct draw_context *draw,
-                              unsigned idx )
-{
-   if (draw->pt.user.edgeflag) {
-      float *ef = draw->pt.verted_buffer[idx]
-      return (draw->pt.user.edgeflag[idx/32] & (1 << (idx%32))) != 0;
-   }
-   else
-      return 1;
-}

src/gallium/auxiliary/draw/draw_pt.h

@@ -212,7 +212,8 @@ boolean draw_pt_post_vs_run( struct pt_post_vs *pvs,
 void draw_pt_post_vs_prepare( struct pt_post_vs *pvs,
 			      boolean bypass_clipping,
 			      boolean bypass_viewport,
-			      boolean opengl );
+			      boolean opengl,
+			      boolean need_edgeflags );
 
 struct pt_post_vs *draw_pt_post_vs_create( struct draw_context *draw );
 

src/gallium/auxiliary/draw/draw_pt_fetch.c

@@ -42,11 +42,11 @@ struct pt_fetch {
    struct translate *translate;
 
    unsigned vertex_size;
-   boolean need_edgeflags;
 
    struct translate_cache *cache;
 };
 
+
 /* Perform the fetch from API vertex elements & vertex buffers, to a
  * contiguous set of float[4] attributes as required for the
  * vertex_shader->run_linear() method.
@@ -160,11 +160,6 @@ void draw_pt_fetch_run( struct pt_fetch *fetch,
 			count,
 			verts );
 
-   /* Extract edgeflag values from vertex data into the header.
-    */
-   if (fetch->need_edgeflags) {
-      extract_edge_flags( fetch, count );
-   }
 }
 
 
@@ -189,14 +184,6 @@ void draw_pt_fetch_run_linear( struct pt_fetch *fetch,
                    start,
                    count,
                    verts );
-
-   /* Extract edgeflag values from vertex data into the header.  XXX:
-    * this should be done after the vertex shader is run.
-    * Bypass-vs-and-clip interaction with pipeline???
-    */
-   if (fetch->need_edgeflags) {
-      extract_edge_flags( fetch, count );
-   }
 }
 
 

src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline.c

@@ -85,10 +85,9 @@ static void fetch_pipeline_prepare( struct draw_pt_middle_end *middle,
    draw_pt_post_vs_prepare( fpme->post_vs,
 			    (boolean)draw->bypass_clipping,
 			    (boolean)(draw->identity_viewport ||
-                                      draw->rasterizer->bypass_vs_clip_and_viewport),
+			    draw->rasterizer->bypass_vs_clip_and_viewport),
 			    (boolean)draw->rasterizer->gl_rasterization_rules,
-                            need_edgeflags );
+			    (draw->vs.edgeflag_output ? true : false) );    
-			    
 
    if (!(opt & PT_PIPELINE)) {
       draw_pt_emit_prepare( fpme->emit, 

src/gallium/auxiliary/draw/draw_pt_post_vs.c

@@ -155,6 +155,7 @@ post_vs_cliptest_viewport_gl_edgeflag(struct pt_post_vs *pvs,
                                       unsigned count,
                                       unsigned stride )
 {
+   unsigned j;
    if (!post_vs_cliptest_viewport_gl( pvs, vertices, count, stride))
       return FALSE;
 
@@ -170,6 +171,7 @@ post_vs_cliptest_viewport_gl_edgeflag(struct pt_post_vs *pvs,
          out->edgeflag = (edgeflag[0] != 1.0f);
       }
    }
+   return TRUE;
 }
 
 
@@ -229,7 +231,8 @@ boolean draw_pt_post_vs_run( struct pt_post_vs *pvs,
 void draw_pt_post_vs_prepare( struct pt_post_vs *pvs,
 			      boolean bypass_clipping,
 			      boolean bypass_viewport,
-			      boolean opengl )
+			      boolean opengl,
+			      boolean need_edgeflags )
 {
    if (!need_edgeflags) {
       if (bypass_clipping) {

src/gallium/auxiliary/draw/draw_vs.c

@@ -101,6 +101,9 @@ draw_create_vertex_shader(struct draw_context *draw,
          if (vs->info.output_semantic_name[i] == TGSI_SEMANTIC_POSITION &&
              vs->info.output_semantic_index[i] == 0)
             vs->position_output = i;
+         else if (vs->info.output_semantic_name[i] == TGSI_SEMANTIC_EDGEFLAG &&
+             vs->info.output_semantic_index[i] == 0)
+            vs->edgeflag_output = i;
       }
    }
 
@@ -120,6 +123,7 @@ draw_bind_vertex_shader(struct draw_context *draw,
       draw->vs.vertex_shader = dvs;
       draw->vs.num_vs_outputs = dvs->info.num_outputs;
       draw->vs.position_output = dvs->position_output;
+      draw->vs.edgeflag_output = dvs->edgeflag_output;
       dvs->prepare( dvs, draw );
    }
    else {

src/gallium/auxiliary/draw/draw_vs.h

@@ -107,6 +107,7 @@ struct draw_vertex_shader {
 
    struct tgsi_shader_info info;
    unsigned position_output;
+   unsigned edgeflag_output;
 
    /* Extracted from shader:
     */

src/gallium/drivers/softpipe/sp_context.c

@@ -238,8 +238,6 @@ softpipe_create( struct pipe_screen *screen )
    softpipe->pipe.draw_arrays = softpipe_draw_arrays;
    softpipe->pipe.draw_elements = softpipe_draw_elements;
    softpipe->pipe.draw_range_elements = softpipe_draw_range_elements;
-   softpipe->pipe.set_edgeflags = softpipe_set_edgeflags;
-
 
    softpipe->pipe.clear = softpipe_clear;
    softpipe->pipe.flush = softpipe_flush;

src/gallium/drivers/softpipe/sp_draw_arrays.c

@@ -184,11 +184,3 @@ softpipe_draw_elements(struct pipe_context *pipe,
                                         0, 0xffffffff,
                                         mode, start, count );
 }
-
-
-void
-softpipe_set_edgeflags(struct pipe_context *pipe, const unsigned *edgeflags)
-{
-   struct softpipe_context *sp = softpipe_context(pipe);
-   draw_set_edgeflags(sp->draw, edgeflags);
-}

src/gallium/drivers/softpipe/sp_state.h

@@ -189,10 +189,6 @@ softpipe_draw_range_elements(struct pipe_context *pipe,
                              unsigned max_index,
                              unsigned mode, unsigned start, unsigned count);
 
-void
-softpipe_set_edgeflags(struct pipe_context *pipe, const unsigned *edgeflags);
-
-
 void
 softpipe_map_transfers(struct softpipe_context *sp);
 

src/mesa/state_tracker/st_atom_shader.c

@@ -113,8 +113,8 @@ find_translated_vp(struct st_context *st,
     * the input to the output.  We'll need to use similar logic to set
     * up the extra vertex_element input for edgeflags.
     */
-   key.passthrough_edgeflags = (ctx->Polygon.FrontMode != GL_FILL ||
+   key.passthrough_edgeflags = (st->ctx->Polygon.FrontMode != GL_FILL ||
-                                ctx->Polygon.BackMode != GL_FILL);
+                                st->ctx->Polygon.BackMode != GL_FILL);
       
 
    /* Do we need to throw away old translations after a change in the

src/mesa/state_tracker/st_mesa_to_tgsi.c

@@ -738,11 +738,11 @@ emit_face_var( struct st_translate *t,
  *
  * \return  array of translated tokens, caller's responsibility to free
  */
-const struct tgsi_token *
+enum pipe_error
 st_translate_mesa_program(
    GLcontext *ctx,
-   struct ureg_program *ureg;
    uint procType,
+   struct ureg_program *ureg,
    const struct gl_program *program,
    GLuint numInputs,
    const GLuint inputMapping[],
@@ -755,7 +755,6 @@ st_translate_mesa_program(
    const ubyte outputSemanticIndex[] )
 {
    struct st_translate translate, *t;
-   const struct tgsi_token *tokens = NULL;
    unsigned i;
 
    t = &translate;
@@ -904,16 +903,15 @@ out:
 
    if (t->error) {
       debug_printf("%s: translate error flag set\n", __FUNCTION__);
-      FREE((void *)tokens);
-      tokens = NULL;
    }
 
+/* ???
    if (!tokens) {
       debug_printf("%s: failed to translate Mesa program:\n", __FUNCTION__);
       _mesa_print_program(program);
       debug_assert(0);
    }
-
+*/
    return PIPE_ERROR_OUT_OF_MEMORY;
 }
 

src/mesa/state_tracker/st_mesa_to_tgsi.h

@@ -30,6 +30,7 @@
 #define ST_MESA_TO_TGSI_H
 
 #include "main/mtypes.h"
+#include "tgsi/tgsi_ureg.h"
 
 
 #if defined __cplusplus
@@ -39,10 +40,11 @@ extern "C" {
 struct tgsi_token;
 struct gl_program;
 
-const struct tgsi_token *
+enum pipe_error
 st_translate_mesa_program(
    GLcontext *ctx,
    uint procType,
+   struct ureg_program *ureg,
    const struct gl_program *program,
    GLuint numInputs,
    const GLuint inputMapping[],

src/mesa/state_tracker/st_program.c

@@ -193,6 +193,7 @@ st_translate_vertex_program(struct st_context *st,
    struct st_vp_varient *vpv = CALLOC_STRUCT(st_vp_varient);
    struct pipe_context *pipe = st->pipe;
    struct ureg_program *ureg;
+   enum pipe_error error;
 
    ureg = ureg_create( TGSI_PROCESSOR_VERTEX );
    if (ureg == NULL)
@@ -215,18 +216,18 @@ st_translate_vertex_program(struct st_context *st,
                                 stvp->output_semantic_name,
                                 stvp->output_semantic_index );
 
-   if (ret)
+   if (error)
       goto fail;
 
    /* Edgeflags will be the last input:
     */
-   if (key.passthrough_edgeflags) {
+   if (key->passthrough_edgeflags) {
       ureg_MOV( ureg,
                 ureg_DECL_output( ureg, TGSI_SEMANTIC_EDGEFLAG, 0 ),
                 ureg_DECL_next_vs_input(ureg));
    }
 
-   tokens = ureg_get_tokens( ureg, NULL );
+   vpv->state.tokens = ureg_get_tokens( ureg, NULL );
    ureg_destroy( ureg );
 
    vpv->driver_shader = pipe->create_vs_state(pipe, &vpv->state);
@@ -266,6 +267,7 @@ st_translate_fragment_program(struct st_context *st,
    GLuint defaultInputMapping[FRAG_ATTRIB_MAX];
    GLuint interpMode[16];  /* XXX size? */
    GLuint attr;
+   enum pipe_error error;
    const GLbitfield inputsRead = stfp->Base.Base.InputsRead;
    struct ureg_program *ureg;
    GLuint vslot = 0;
@@ -404,12 +406,13 @@ st_translate_fragment_program(struct st_context *st,
 
    ureg = ureg_create( TGSI_PROCESSOR_FRAGMENT );
    if (ureg == NULL)
-      return NULL;
+      return;
 
 
-   stfp->state.tokens = 
+   error = 
       st_translate_mesa_program(st->ctx,
                                 TGSI_PROCESSOR_FRAGMENT,
+                                ureg,
                                 &stfp->Base.Base,
                                 /* inputs */
                                 fs_num_inputs,
@@ -423,6 +426,8 @@ st_translate_fragment_program(struct st_context *st,
                                 fs_output_semantic_name,
                                 fs_output_semantic_index );
 
+   stfp->state.tokens = ureg_get_tokens( ureg, NULL );
+   ureg_destroy( ureg );
    stfp->driver_shader = pipe->create_fs_state(pipe, &stfp->state);
 
    if ((ST_DEBUG & DEBUG_TGSI) && (ST_DEBUG & DEBUG_MESA)) {