[Mesa-dev] [PATCH 15/23] meta: Use internal functions for buffer object and VAO access

Ian Romanick idr at freedesktop.org
Mon Nov 9 16:56:14 PST 2015


From: Ian Romanick <ian.d.romanick at intel.com>

Signed-off-by: Ian Romanick <ian.d.romanick at intel.com>
---
 src/mesa/drivers/common/meta.c | 76 ++++++++++++++++++++++++------------------
 1 file changed, 43 insertions(+), 33 deletions(-)

diff --git a/src/mesa/drivers/common/meta.c b/src/mesa/drivers/common/meta.c
index 8cf0bf9..3507927 100644
--- a/src/mesa/drivers/common/meta.c
+++ b/src/mesa/drivers/common/meta.c
@@ -342,12 +342,16 @@ _mesa_meta_setup_vertex_objects(struct gl_context *ctx,
    GLuint VBO;
 
    if (*VAO == 0) {
+      struct gl_vertex_array_object *array_obj;
       assert(*buf_obj == NULL);
 
       /* create vertex array object */
       _mesa_GenVertexArrays(1, VAO);
       _mesa_BindVertexArray(*VAO);
 
+      array_obj = _mesa_lookup_vao(ctx, *VAO);
+      assert(array_obj != NULL);
+
       /* create vertex array buffer */
       _mesa_CreateBuffers(1, &VBO);
       *buf_obj = _mesa_lookup_bufferobj(ctx, VBO);
@@ -360,8 +364,8 @@ _mesa_meta_setup_vertex_objects(struct gl_context *ctx,
       assert(*buf_obj != NULL && (*buf_obj)->Name == VBO);
       assert(*buf_obj != ctx->Array.ArrayBufferObj);
 
-      _mesa_NamedBufferData(VBO, 4 * sizeof(struct vertex), NULL,
-                            GL_DYNAMIC_DRAW);
+      _mesa_buffer_data(ctx, *buf_obj, GL_NONE, 4 * sizeof(struct vertex), NULL,
+                        GL_DYNAMIC_DRAW, __func__);
 
       assert((*buf_obj)->Size == 4 * sizeof(struct vertex));
 
@@ -369,45 +373,51 @@ _mesa_meta_setup_vertex_objects(struct gl_context *ctx,
       if (use_generic_attributes) {
          assert(color_size == 0);
 
-         _mesa_VertexArrayAttribFormat(*VAO, 0, vertex_size, GL_FLOAT,
-                                       GL_FALSE, OFFSET(x));
-         _mesa_VertexArrayVertexBuffer(*VAO, 0, VBO, 0,
-                                       sizeof(struct vertex));
-         _mesa_EnableVertexAttribArray(0);
-
+         _mesa_update_array_format(ctx, array_obj, VERT_ATTRIB_GENERIC(0),
+                                   vertex_size, GL_FLOAT, GL_RGBA, GL_FALSE,
+                                   GL_FALSE, GL_FALSE,
+                                   offsetof(struct vertex, x), true);
+         _mesa_bind_vertex_buffer(ctx, array_obj, VERT_ATTRIB_GENERIC(0),
+                                  *buf_obj, 0, sizeof(struct vertex));
+         _mesa_enable_vertex_array_attrib(ctx, array_obj,
+                                          VERT_ATTRIB_GENERIC(0));
          if (texcoord_size > 0) {
-            _mesa_VertexArrayAttribFormat(*VAO, 1, texcoord_size, GL_FLOAT,
-                                          GL_FALSE, OFFSET(tex));
-            _mesa_VertexArrayVertexBuffer(*VAO, 1, VBO, 0,
-                                          sizeof(struct vertex));
-            _mesa_EnableVertexAttribArray(1);
+            _mesa_update_array_format(ctx, array_obj, VERT_ATTRIB_GENERIC(1),
+                                      texcoord_size, GL_FLOAT, GL_RGBA,
+                                      GL_FALSE, GL_FALSE, GL_FALSE,
+                                      offsetof(struct vertex, tex), false);
+            _mesa_bind_vertex_buffer(ctx, array_obj, VERT_ATTRIB_GENERIC(1),
+                                     *buf_obj, 0, sizeof(struct vertex));
+            _mesa_enable_vertex_array_attrib(ctx, array_obj,
+                                             VERT_ATTRIB_GENERIC(1));
          }
       } else {
-         _mesa_BindBuffer(GL_ARRAY_BUFFER, VBO);
-         _mesa_VertexPointer(vertex_size, GL_FLOAT, sizeof(struct vertex),
-                             OFFSET(x));
-         _mesa_EnableClientState(GL_VERTEX_ARRAY);
+         _mesa_update_array_format(ctx, array_obj, VERT_ATTRIB_POS,
+                                   vertex_size, GL_FLOAT, GL_RGBA, GL_FALSE,
+                                   GL_FALSE, GL_FALSE,
+                                   offsetof(struct vertex, x), true);
+         _mesa_bind_vertex_buffer(ctx, array_obj, VERT_ATTRIB_POS,
+                                  *buf_obj, 0, sizeof(struct vertex));
+         _mesa_enable_vertex_array_attrib(ctx, array_obj, VERT_ATTRIB_POS);
 
          if (texcoord_size > 0) {
-            _mesa_TexCoordPointer(texcoord_size, GL_FLOAT,
-                                  sizeof(struct vertex), OFFSET(tex));
-            _mesa_EnableClientState(GL_TEXTURE_COORD_ARRAY);
+            _mesa_update_array_format(ctx, array_obj, VERT_ATTRIB_TEX(0),
+                                      vertex_size, GL_FLOAT, GL_RGBA, GL_FALSE,
+                                      GL_FALSE, GL_FALSE,
+                                      offsetof(struct vertex, tex), false);
+            _mesa_bind_vertex_buffer(ctx, array_obj, VERT_ATTRIB_TEX(0),
+                                     *buf_obj, 0, sizeof(struct vertex));
+            _mesa_enable_vertex_array_attrib(ctx, array_obj, VERT_ATTRIB_TEX(0));
          }
 
          if (color_size > 0) {
-            _mesa_ColorPointer(color_size, GL_FLOAT,
-                               sizeof(struct vertex), OFFSET(r));
-            _mesa_EnableClientState(GL_COLOR_ARRAY);
-         }
-
-         /* Restore the old VBO.  This is done because we don't want the new VBO
-          * to be bound on exit.  It would be nicer to use DSA type functions,
-          * but there are no DSA functions to bind a VBO to a VAO for
-          * fixed-function vertex attributes.
-          */
-         {
-            struct save_state *save = &ctx->Meta->Save[ctx->Meta->SaveStackDepth - 1];
-            _mesa_BindBuffer(GL_ARRAY_BUFFER, save->ArrayBufferObj->Name);
+            _mesa_update_array_format(ctx, array_obj, VERT_ATTRIB_COLOR0,
+                                      vertex_size, GL_FLOAT, GL_RGBA, GL_FALSE,
+                                      GL_FALSE, GL_FALSE,
+                                      offsetof(struct vertex, r), false);
+            _mesa_bind_vertex_buffer(ctx, array_obj, VERT_ATTRIB_COLOR0,
+                                     *buf_obj, 0, sizeof(struct vertex));
+            _mesa_enable_vertex_array_attrib(ctx, array_obj, VERT_ATTRIB_COLOR0);
          }
       }
    } else {
-- 
2.1.0



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