X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fstate_tracker%2Fst_draw.c;h=3db5749725e917a93e19d4ef545ac1820ad30e48;hb=f3b62d4c74414c002d25e65decb9d0bda41ab5b6;hp=bff8d9b3143a8538619937c1334d71fec70e82ed;hpb=8589cc41b36b89bc80ad6a4f671e47f81a89d556;p=mesa.git

diff --git a/src/mesa/state_tracker/st_draw.c b/src/mesa/state_tracker/st_draw.c
index bff8d9b3143..3db5749725e 100644
--- a/src/mesa/state_tracker/st_draw.c
+++ b/src/mesa/state_tracker/st_draw.c
@@ -1,8 +1,8 @@
 /**************************************************************************
- * 
- * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ *
+ * Copyright 2007 VMware, Inc.
  * All Rights Reserved.
- * 
+ *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the
  * "Software"), to deal in the Software without restriction, including
@@ -10,19 +10,19 @@
  * distribute, sub license, and/or sell copies of the Software, and to
  * permit persons to whom the Software is furnished to do so, subject to
  * the following conditions:
- * 
+ *
  * The above copyright notice and this permission notice (including the
  * next paragraph) shall be included in all copies or substantial portions
  * of the Software.
- * 
+ *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- * 
+ *
  **************************************************************************/
 
 /*
@@ -32,7 +32,7 @@
  * glDrawElements, glEvalMesh, or glCalList, etc.
  *
  * Authors:
- *   Keith Whitwell <keith@tungstengraphics.com>
+ *   Keith Whitwell <keithw@vmware.com>
  */
 
 
@@ -40,12 +40,15 @@
 #include "main/image.h"
 #include "main/bufferobj.h"
 #include "main/macros.h"
-#include "main/mfeatures.h"
+#include "main/varray.h"
+
+#include "compiler/glsl/ir_uniform.h"
 
 #include "vbo/vbo.h"
 
 #include "st_context.h"
 #include "st_atom.h"
+#include "st_cb_bitmap.h"
 #include "st_cb_bufferobjects.h"
 #include "st_cb_xformfb.h"
 #include "st_debug.h"
@@ -57,13 +60,11 @@
 #include "util/u_inlines.h"
 #include "util/u_format.h"
 #include "util/u_prim.h"
-#include "util/u_draw_quad.h"
+#include "util/u_draw.h"
 #include "util/u_upload_mgr.h"
 #include "draw/draw_context.h"
 #include "cso_cache/cso_context.h"
 
-#include "../glsl/ir_uniform.h"
-
 
 /**
  * This is very similar to vbo_all_varyings_in_vbos() but we are
@@ -73,7 +74,7 @@ static GLboolean
 all_varyings_in_vbos(const struct gl_client_array *arrays[])
 {
    GLuint i;
-   
+
    for (i = 0; i < VERT_ATTRIB_MAX; i++)
       if (arrays[i]->StrideB &&
           !arrays[i]->InstanceDivisor &&
@@ -105,9 +106,11 @@ setup_index_buffer(struct st_context *st,
       ibuffer->offset = pointer_to_offset(ib->ptr);
    }
    else if (st->indexbuf_uploader) {
-      if (u_upload_data(st->indexbuf_uploader, 0,
-                        ib->count * ibuffer->index_size, ib->ptr,
-                        &ibuffer->offset, &ibuffer->buffer) != PIPE_OK) {
+      /* upload indexes from user memory into a real buffer */
+      u_upload_data(st->indexbuf_uploader, 0,
+                    ib->count * ibuffer->index_size, 4, ib->ptr,
+                    &ibuffer->offset, &ibuffer->buffer);
+      if (!ibuffer->buffer) {
          /* out of memory */
          return FALSE;
       }
@@ -123,39 +126,6 @@ setup_index_buffer(struct st_context *st,
 }
 
 
-/**
- * Prior to drawing, check that any uniforms referenced by the
- * current shader have been set.  If a uniform has not been set,
- * issue a warning.
- */
-static void
-check_uniforms(struct gl_context *ctx)
-{
-   struct gl_shader_program *shProg[3] = {
-      ctx->Shader.CurrentVertexProgram,
-      ctx->Shader.CurrentGeometryProgram,
-      ctx->Shader.CurrentFragmentProgram,
-   };
-   unsigned j;
-
-   for (j = 0; j < 3; j++) {
-      unsigned i;
-
-      if (shProg[j] == NULL || !shProg[j]->LinkStatus)
-	 continue;
-
-      for (i = 0; i < shProg[j]->NumUserUniformStorage; i++) {
-         const struct gl_uniform_storage *u = &shProg[j]->UniformStorage[i];
-         if (!u->initialized) {
-            _mesa_warning(ctx,
-                          "Using shader with uninitialized uniform: %s",
-                          u->name);
-         }
-      }
-   }
-}
-
-
 /**
  * Translate OpenGL primtive type (GL_POINTS, GL_TRIANGLE_STRIP, etc) to
  * the corresponding Gallium type.
@@ -167,16 +137,7 @@ translate_prim(const struct gl_context *ctx, unsigned prim)
    STATIC_ASSERT(GL_POINTS == PIPE_PRIM_POINTS);
    STATIC_ASSERT(GL_QUADS == PIPE_PRIM_QUADS);
    STATIC_ASSERT(GL_TRIANGLE_STRIP_ADJACENCY == PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY);
-
-   /* Avoid quadstrips if it's easy to do so:
-    * Note: it's important to do the correct trimming if we change the
-    * prim type!  We do that wherever this function is called.
-    */
-   if (prim == GL_QUAD_STRIP &&
-       ctx->Light.ShadeModel != GL_FLAT &&
-       ctx->Polygon.FrontMode == GL_FILL &&
-       ctx->Polygon.BackMode == GL_FILL)
-      prim = GL_TRIANGLE_STRIP;
+   STATIC_ASSERT(GL_PATCHES == PIPE_PRIM_PATCHES);
 
    return prim;
 }
@@ -195,7 +156,9 @@ st_draw_vbo(struct gl_context *ctx,
 	    GLboolean index_bounds_valid,
             GLuint min_index,
             GLuint max_index,
-            struct gl_transform_feedback_object *tfb_vertcount)
+            struct gl_transform_feedback_object *tfb_vertcount,
+            unsigned stream,
+            struct gl_buffer_object *indirect)
 {
    struct st_context *st = st_context(ctx);
    struct pipe_index_buffer ibuffer = {0};
@@ -206,23 +169,19 @@ st_draw_vbo(struct gl_context *ctx,
    /* Mesa core state should have been validated already */
    assert(ctx->NewState == 0x0);
 
-   /* Validate state. */
-   if (st->dirty.st || ctx->NewDriverState) {
-      st_validate_state(st);
+   st_flush_bitmap_cache(st);
 
-      if (st->vertex_array_out_of_memory)
-         return;
+   /* Validate state. */
+   if (st->dirty.st || st->dirty.mesa || ctx->NewDriverState) {
+      st_validate_state(st, ST_PIPELINE_RENDER);
+   }
 
-#if 0
-      if (MESA_VERBOSE & VERBOSE_GLSL) {
-         check_uniforms(ctx);
-      }
-#else
-      (void) check_uniforms;
-#endif
+   if (st->vertex_array_out_of_memory) {
+      return;
    }
 
    util_draw_init_info(&info);
+
    if (ib) {
       /* Get index bounds for user buffers. */
       if (!index_bounds_valid)
@@ -231,12 +190,12 @@ st_draw_vbo(struct gl_context *ctx,
                                    nr_prims);
 
       if (!setup_index_buffer(st, ib, &ibuffer)) {
-         /* out of memory */
+         _mesa_error(ctx, GL_OUT_OF_MEMORY, "glBegin/DrawElements/DrawArray");
          return;
       }
 
       info.indexed = TRUE;
-      if (min_index != ~0 && max_index != ~0) {
+      if (min_index != ~0U && max_index != ~0U) {
          info.min_index = min_index;
          info.max_index = max_index;
       }
@@ -245,24 +204,29 @@ st_draw_vbo(struct gl_context *ctx,
        * so we only set these fields for indexed drawing:
        */
       info.primitive_restart = ctx->Array._PrimitiveRestart;
-      info.restart_index = ctx->Array._RestartIndex;
+      info.restart_index = _mesa_primitive_restart_index(ctx, ib->type);
    }
    else {
       /* Transform feedback drawing is always non-indexed. */
       /* Set info.count_from_stream_output. */
       if (tfb_vertcount) {
-         st_transform_feedback_draw_init(tfb_vertcount, &info);
+         if (!st_transform_feedback_draw_init(tfb_vertcount, stream, &info))
+            return;
       }
    }
 
+   assert(!indirect);
+
    /* do actual drawing */
    for (i = 0; i < nr_prims; i++) {
-      info.mode = translate_prim( ctx, prims[i].mode );
+      info.mode = translate_prim(ctx, prims[i].mode);
       info.start = prims[i].start;
       info.count = prims[i].count;
       info.start_instance = prims[i].base_instance;
       info.instance_count = prims[i].num_instances;
+      info.vertices_per_patch = ctx->TessCtrlProgram.patch_vertices;
       info.index_bias = prims[i].basevertex;
+      info.drawid = prims[i].draw_id;
       if (!ib) {
          info.min_index = info.start;
          info.max_index = info.start + info.count - 1;
@@ -283,8 +247,9 @@ st_draw_vbo(struct gl_context *ctx,
          /* don't trim, restarts might be inside index list */
          cso_draw_vbo(st->cso_context, &info);
       }
-      else if (u_trim_pipe_prim(prims[i].mode, &info.count))
+      else if (u_trim_pipe_prim(prims[i].mode, &info.count)) {
          cso_draw_vbo(st->cso_context, &info);
+      }
    }
 
    if (ib && st->indexbuf_uploader && !_mesa_is_bufferobj(ib->obj)) {
@@ -292,6 +257,84 @@ st_draw_vbo(struct gl_context *ctx,
    }
 }
 
+static void
+st_indirect_draw_vbo(struct gl_context *ctx,
+                     GLuint mode,
+                     struct gl_buffer_object *indirect_data,
+                     GLsizeiptr indirect_offset,
+                     unsigned draw_count,
+                     unsigned stride,
+                     struct gl_buffer_object *indirect_params,
+                     GLsizeiptr indirect_params_offset,
+                     const struct _mesa_index_buffer *ib)
+{
+   struct st_context *st = st_context(ctx);
+   struct pipe_index_buffer ibuffer = {0};
+   struct pipe_draw_info info;
+
+   /* Mesa core state should have been validated already */
+   assert(ctx->NewState == 0x0);
+   assert(stride);
+
+   /* Validate state. */
+   if (st->dirty.st || st->dirty.mesa || ctx->NewDriverState) {
+      st_validate_state(st, ST_PIPELINE_RENDER);
+   }
+
+   if (st->vertex_array_out_of_memory) {
+      return;
+   }
+
+   util_draw_init_info(&info);
+
+   if (ib) {
+      if (!setup_index_buffer(st, ib, &ibuffer)) {
+         _mesa_error(ctx, GL_OUT_OF_MEMORY, "gl%sDrawElementsIndirect%s",
+                     (draw_count > 1) ? "Multi" : "",
+                     indirect_params ? "CountARB" : "");
+         return;
+      }
+
+      info.indexed = TRUE;
+   }
+
+   info.mode = translate_prim(ctx, mode);
+   info.vertices_per_patch = ctx->TessCtrlProgram.patch_vertices;
+   info.indirect = st_buffer_object(indirect_data)->buffer;
+   info.indirect_offset = indirect_offset;
+
+   /* Primitive restart is not handled by the VBO module in this case. */
+   info.primitive_restart = ctx->Array._PrimitiveRestart;
+   info.restart_index = ctx->Array.RestartIndex;
+
+   if (ST_DEBUG & DEBUG_DRAW) {
+      debug_printf("st/draw indirect: mode %s drawcount %d indexed %d\n",
+                   u_prim_name(info.mode),
+                   draw_count,
+                   info.indexed);
+   }
+
+   if (!st->has_multi_draw_indirect) {
+      int i;
+
+      assert(!indirect_params);
+      info.indirect_count = 1;
+      for (i = 0; i < draw_count; i++) {
+         info.drawid = i;
+         cso_draw_vbo(st->cso_context, &info);
+         info.indirect_offset += stride;
+      }
+   } else {
+      info.indirect_count = draw_count;
+      info.indirect_stride = stride;
+      if (indirect_params) {
+         info.indirect_params = st_buffer_object(indirect_params)->buffer;
+         info.indirect_params_offset = indirect_params_offset;
+      }
+      cso_draw_vbo(st->cso_context, &info);
+   }
+}
+
 
 void
 st_init_draw(struct st_context *st)
@@ -299,6 +342,7 @@ st_init_draw(struct st_context *st)
    struct gl_context *ctx = st->ctx;
 
    vbo_set_draw_func(ctx, st_draw_vbo);
+   vbo_set_indirect_draw_func(ctx, st_indirect_draw_vbo);
 
    st->draw = draw_create(st->pipe); /* for selection/feedback */
 
@@ -317,3 +361,93 @@ st_destroy_draw(struct st_context *st)
 {
    draw_destroy(st->draw);
 }
+
+
+/**
+ * Draw a quad with given position, texcoords and color.
+ */
+bool
+st_draw_quad(struct st_context *st,
+             float x0, float y0, float x1, float y1, float z,
+             float s0, float t0, float s1, float t1,
+             const float *color,
+             unsigned num_instances)
+{
+   struct pipe_vertex_buffer vb = {0};
+   struct st_util_vertex *verts;
+
+   vb.stride = sizeof(struct st_util_vertex);
+
+   u_upload_alloc(st->uploader, 0, 4 * sizeof(struct st_util_vertex), 4,
+                  &vb.buffer_offset, &vb.buffer, (void **) &verts);
+   if (!vb.buffer) {
+      return false;
+   }
+
+   /* lower-left */
+   verts[0].x = x0;
+   verts[0].y = y1;
+   verts[0].z = z;
+   verts[0].r = color[0];
+   verts[0].g = color[1];
+   verts[0].b = color[2];
+   verts[0].a = color[3];
+   verts[0].s = s0;
+   verts[0].t = t0;
+
+   /* lower-right */
+   verts[1].x = x1;
+   verts[1].y = y1;
+   verts[1].z = z;
+   verts[1].r = color[0];
+   verts[1].g = color[1];
+   verts[1].b = color[2];
+   verts[1].a = color[3];
+   verts[1].s = s1;
+   verts[1].t = t0;
+
+   /* upper-right */
+   verts[2].x = x1;
+   verts[2].y = y0;
+   verts[2].z = z;
+   verts[2].r = color[0];
+   verts[2].g = color[1];
+   verts[2].b = color[2];
+   verts[2].a = color[3];
+   verts[2].s = s1;
+   verts[2].t = t1;
+
+   /* upper-left */
+   verts[3].x = x0;
+   verts[3].y = y0;
+   verts[3].z = z;
+   verts[3].r = color[0];
+   verts[3].g = color[1];
+   verts[3].b = color[2];
+   verts[3].a = color[3];
+   verts[3].s = s0;
+   verts[3].t = t1;
+
+   u_upload_unmap(st->uploader);
+
+   /* At the time of writing, cso_get_aux_vertex_buffer_slot() always returns
+    * zero.  If that ever changes we need to audit the calls to that function
+    * and make sure the slot number is used consistently everywhere.
+    */
+   assert(cso_get_aux_vertex_buffer_slot(st->cso_context) == 0);
+
+   cso_set_vertex_buffers(st->cso_context,
+                          cso_get_aux_vertex_buffer_slot(st->cso_context),
+                          1, &vb);
+
+   if (num_instances > 1) {
+      cso_draw_arrays_instanced(st->cso_context, PIPE_PRIM_TRIANGLE_FAN, 0, 4,
+                                0, num_instances);
+   } else {
+      cso_draw_arrays(st->cso_context, PIPE_PRIM_TRIANGLE_FAN, 0, 4);
+   }
+
+   pipe_resource_reference(&vb.buffer, NULL);
+
+   return true;
+}