meta: Track VBO using gl_buffer_object instead of GL API object handle in _mesa_meta_DrawTex

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Anuj Phogat <anuj.phogat@gmail.com>
This commit is contained in:
Ian Romanick 2015-11-05 14:31:23 -08:00
parent d5225ee5d9
commit b8a7369fb7
2 changed files with 19 additions and 6 deletions

View file

@ -3310,20 +3310,32 @@ _mesa_meta_DrawTex(struct gl_context *ctx, GLfloat x, GLfloat y, GLfloat z,
if (drawtex->VAO == 0) {
/* one-time setup */
GLint active_texture;
GLuint VBO;
/* create vertex array object */
_mesa_GenVertexArrays(1, &drawtex->VAO);
_mesa_BindVertexArray(drawtex->VAO);
/* create vertex array buffer */
_mesa_CreateBuffers(1, &drawtex->VBO);
_mesa_NamedBufferData(drawtex->VBO, sizeof(verts),
NULL, GL_DYNAMIC_DRAW_ARB);
_mesa_CreateBuffers(1, &VBO);
drawtex->buf_obj = _mesa_lookup_bufferobj(ctx, VBO);
/* _mesa_lookup_bufferobj only returns NULL if name is 0. If the object
* does not yet exist (i.e., hasn't been bound) it will return a dummy
* object that you can't do anything with.
*/
assert(drawtex->buf_obj != NULL && (drawtex->buf_obj)->Name == VBO);
assert(drawtex->buf_obj == ctx->Array.ArrayBufferObj);
_mesa_buffer_data(ctx, drawtex->buf_obj, GL_NONE, sizeof(verts), verts,
GL_DYNAMIC_DRAW, __func__);
assert(drawtex->buf_obj->Size == sizeof(verts));
/* client active texture is not part of the array object */
active_texture = ctx->Array.ActiveTexture;
_mesa_BindBuffer(GL_ARRAY_BUFFER_ARB, drawtex->VBO);
_mesa_BindBuffer(GL_ARRAY_BUFFER_ARB, VBO);
/* setup vertex arrays */
_mesa_VertexPointer(3, GL_FLOAT, sizeof(struct vertex), OFFSET(x));
@ -3403,7 +3415,8 @@ _mesa_meta_DrawTex(struct gl_context *ctx, GLfloat x, GLfloat y, GLfloat z,
verts[3].st[i][1] = t1;
}
_mesa_NamedBufferSubData(drawtex->VBO, 0, sizeof(verts), verts);
_mesa_buffer_sub_data(ctx, drawtex->buf_obj, 0, sizeof(verts), verts,
__func__);
}
_mesa_DrawArrays(GL_TRIANGLE_FAN, 0, 4);

View file

@ -408,7 +408,7 @@ struct decompress_state
struct drawtex_state
{
GLuint VAO;
GLuint VBO;
struct gl_buffer_object *buf_obj;
};
#define MAX_META_OPS_DEPTH 8