gallium: Use draw_set_index_buffer and others.
[mesa.git] / src / mesa / state_tracker / st_draw_feedback.c
index 26a5b3fcd637d102e566379add00ca18216729db..e0995f8318ada5fe87441a1fd6d5889876a58c5a 100644 (file)
 #include "pipe/p_context.h"
 #include "pipe/p_defines.h"
 #include "util/u_inlines.h"
+#include "util/u_draw.h"
 
 #include "draw/draw_private.h"
 #include "draw/draw_context.h"
 
 
-#if FEATURE_feedback || FEATURE_drawpix
+#if FEATURE_feedback || FEATURE_rastpos
 
 /**
  * Set the (private) draw module's post-transformed vertex format when in
@@ -55,7 +56,7 @@ static void
 set_feedback_vertex_format(GLcontext *ctx)
 {
 #if 0
-   struct st_context *st = ctx->st;
+   struct st_context *st = st_context(ctx);
    struct vertex_info vinfo;
    GLuint i;
 
@@ -99,26 +100,30 @@ st_feedback_draw_vbo(GLcontext *ctx,
                      GLuint min_index,
                      GLuint max_index)
 {
-   struct st_context *st = ctx->st;
+   struct st_context *st = st_context(ctx);
    struct pipe_context *pipe = st->pipe;
    struct draw_context *draw = st->draw;
    const struct st_vertex_program *vp;
    const struct pipe_shader_state *vs;
-   struct pipe_buffer *index_buffer_handle = 0;
    struct pipe_vertex_buffer vbuffers[PIPE_MAX_SHADER_INPUTS];
    struct pipe_vertex_element velements[PIPE_MAX_ATTRIBS];
+   struct pipe_index_buffer ibuffer;
+   struct pipe_transfer *vb_transfer[PIPE_MAX_ATTRIBS];
+   struct pipe_transfer *ib_transfer = NULL;
+   struct pipe_transfer *cb_transfer;
    GLuint attr, i;
    ubyte *mapped_constants;
+   const void *mapped_indices = NULL;
 
    assert(draw);
 
-   st_validate_state(ctx->st);
+   st_validate_state(st);
 
    if (!index_bounds_valid)
       vbo_get_minmax_index(ctx, prims, ib, &min_index, &max_index);
 
    /* must get these after state validation! */
-   vp = ctx->st->vp;
+   vp = st->vp;
    vs = &st->vp_varient->tgsi;
 
    if (!st->vp_varient->draw_shader) {
@@ -134,7 +139,7 @@ st_feedback_draw_vbo(GLcontext *ctx,
    assert(draw);
    draw_set_viewport_state(draw, &st->state.viewport);
    draw_set_clip_state(draw, &st->state.clip);
-   draw_set_rasterizer_state(draw, &st->state.rasterizer);
+   draw_set_rasterizer_state(draw, &st->state.rasterizer, NULL);
    draw_bind_vertex_shader(draw, st->vp_varient->draw_shader);
    set_feedback_vertex_format(ctx);
 
@@ -155,7 +160,7 @@ st_feedback_draw_vbo(GLcontext *ctx,
          assert(stobj->buffer);
 
          vbuffers[attr].buffer = NULL;
-         pipe_buffer_reference(&vbuffers[attr].buffer, stobj->buffer);
+         pipe_resource_reference(&vbuffers[attr].buffer, stobj->buffer);
          vbuffers[attr].buffer_offset = pointer_to_offset(arrays[0]->Ptr);
          velements[attr].src_offset = arrays[mesaAttr]->Ptr - arrays[0]->Ptr;
       }
@@ -168,7 +173,8 @@ st_feedback_draw_vbo(GLcontext *ctx,
          /* wrap user data */
          vbuffers[attr].buffer
             = pipe_user_buffer_create(pipe->screen, (void *) arrays[mesaAttr]->Ptr,
-                                      bytes);
+                                      bytes,
+                                     PIPE_BIND_VERTEX_BUFFER);
          vbuffers[attr].buffer_offset = 0;
          velements[attr].src_offset = 0;
       }
@@ -191,25 +197,28 @@ st_feedback_draw_vbo(GLcontext *ctx,
 #endif
 
       /* map the attrib buffer */
-      map = pipe_buffer_map(pipe->screen, vbuffers[attr].buffer,
-                            PIPE_BUFFER_USAGE_CPU_READ);
+      map = pipe_buffer_map(pipe, vbuffers[attr].buffer,
+                            PIPE_TRANSFER_READ,
+                           &vb_transfer[attr]);
       draw_set_mapped_vertex_buffer(draw, attr, map);
    }
 
    draw_set_vertex_buffers(draw, vp->num_inputs, vbuffers);
    draw_set_vertex_elements(draw, vp->num_inputs, velements);
 
+   memset(&ibuffer, 0, sizeof(ibuffer));
    if (ib) {
       struct gl_buffer_object *bufobj = ib->obj;
-      unsigned indexSize;
-      void *map;
 
       switch (ib->type) {
       case GL_UNSIGNED_INT:
-         indexSize = 4;
+         ibuffer.index_size = 4;
          break;
       case GL_UNSIGNED_SHORT:
-         indexSize = 2;
+         ibuffer.index_size = 2;
+         break;
+      case GL_UNSIGNED_BYTE:
+         ibuffer.index_size = 1;
          break;
       default:
          assert(0);
@@ -219,30 +228,29 @@ st_feedback_draw_vbo(GLcontext *ctx,
       if (bufobj && bufobj->Name) {
          struct st_buffer_object *stobj = st_buffer_object(bufobj);
 
-         index_buffer_handle = stobj->buffer;
-
-         map = pipe_buffer_map(pipe->screen, index_buffer_handle,
-                               PIPE_BUFFER_USAGE_CPU_READ);
+         pipe_resource_reference(&ibuffer.buffer, stobj->buffer);
+         ibuffer.offset = pointer_to_offset(ib->ptr);
 
-         draw_set_mapped_element_buffer(draw, indexSize, map);
+         mapped_indices = pipe_buffer_map(pipe, stobj->buffer,
+                                          PIPE_TRANSFER_READ, &ib_transfer);
       }
       else {
-         draw_set_mapped_element_buffer(draw, indexSize, (void *) ib->ptr);
+         /* skip setting ibuffer.buffer as the draw module does not use it */
+         mapped_indices = ib->ptr;
       }
-   }
-   else {
-      /* no index/element buffer */
-      draw_set_mapped_element_buffer(draw, 0, NULL);
-   }
 
+      draw_set_index_buffer(draw, &ibuffer);
+      draw_set_mapped_index_buffer(draw, mapped_indices);
+   }
 
    /* map constant buffers */
-   mapped_constants = pipe_buffer_map(pipe->screen,
+   mapped_constants = pipe_buffer_map(pipe,
                                       st->state.constants[PIPE_SHADER_VERTEX],
-                                      PIPE_BUFFER_USAGE_CPU_READ);
+                                      PIPE_TRANSFER_READ,
+                                     &cb_transfer);
    draw_set_mapped_constant_buffer(st->draw, PIPE_SHADER_VERTEX, 0,
                                    mapped_constants,
-                                   st->state.constants[PIPE_SHADER_VERTEX]->size);
+                                   st->state.constants[PIPE_SHADER_VERTEX]->width0);
 
 
    /* draw here */
@@ -252,23 +260,30 @@ st_feedback_draw_vbo(GLcontext *ctx,
 
 
    /* unmap constant buffers */
-   pipe_buffer_unmap(pipe->screen, st->state.constants[PIPE_SHADER_VERTEX]);
+   pipe_buffer_unmap(pipe, st->state.constants[PIPE_SHADER_VERTEX],
+                    cb_transfer);
 
    /*
     * unmap vertex/index buffers
     */
    for (i = 0; i < PIPE_MAX_ATTRIBS; i++) {
       if (draw->pt.vertex_buffer[i].buffer) {
-         pipe_buffer_unmap(pipe->screen, draw->pt.vertex_buffer[i].buffer);
-         pipe_buffer_reference(&draw->pt.vertex_buffer[i].buffer, NULL);
+         pipe_buffer_unmap(pipe, draw->pt.vertex_buffer[i].buffer, 
+                          vb_transfer[i]);
+         pipe_resource_reference(&draw->pt.vertex_buffer[i].buffer, NULL);
          draw_set_mapped_vertex_buffer(draw, i, NULL);
       }
    }
-   if (index_buffer_handle) {
-      pipe_buffer_unmap(pipe->screen, index_buffer_handle);
-      draw_set_mapped_element_buffer(draw, 0, NULL);
+
+   if (ib) {
+      draw_set_mapped_index_buffer(draw, NULL);
+      draw_set_index_buffer(draw, NULL);
+
+      if (ib_transfer)
+         pipe_buffer_unmap(pipe, ibuffer.buffer, ib_transfer);
+      pipe_resource_reference(&ibuffer.buffer, NULL);
    }
 }
 
-#endif /* FEATURE_feedback || FEATURE_drawpix */
+#endif /* FEATURE_feedback || FEATURE_rastpos */