/**
* Per-context one-time init of things for intl_clear_tris().
* Basically set up a private array object for vertex/color arrays.
*/
static void
init_clear(GLcontext *ctx)
{
struct intel_context *intel = intel_context(ctx);
struct gl_array_object *arraySave = NULL;
const GLuint arrayBuffer = ctx->Array.ArrayBufferObj->Name;
const GLuint elementBuffer = ctx->Array.ElementArrayBufferObj->Name;
/* create new array object */
intel->clear.arrayObj = _mesa_new_array_object(ctx, ~0);
/* save current array object, bind new one */
_mesa_reference_array_object(ctx, &arraySave, ctx->Array.ArrayObj);
_mesa_reference_array_object(ctx, &ctx->Array.ArrayObj, intel->clear.arrayObj);
/* one-time setup of vertex arrays (pos, color) */
_mesa_BindBufferARB(GL_ARRAY_BUFFER_ARB, 0);
_mesa_BindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, 0);
_mesa_ColorPointer(4, GL_FLOAT, 4 * sizeof(GLfloat), intel->clear.color);
_mesa_VertexPointer(3, GL_FLOAT, 3 * sizeof(GLfloat), intel->clear.vertices);
_mesa_Enable(GL_COLOR_ARRAY);
_mesa_Enable(GL_VERTEX_ARRAY);
/* restore original array object */
_mesa_reference_array_object(ctx, &ctx->Array.ArrayObj, arraySave);
_mesa_reference_array_object(ctx, &arraySave, NULL);
/* restore original buffer objects */
_mesa_BindBufferARB(GL_ARRAY_BUFFER_ARB, arrayBuffer);
_mesa_BindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, elementBuffer);
}
/**
* Initialize vertex array state for given context.
*/
void
_mesa_init_varray(struct gl_context *ctx)
{
ctx->Array.DefaultArrayObj = _mesa_new_array_object(ctx, 0);
_mesa_reference_array_object(ctx, &ctx->Array.ArrayObj,
ctx->Array.DefaultArrayObj);
ctx->Array.Objects = _mesa_NewHashTable();
}
/**
* Initialize vertex array state for given context.
*/
void
_mesa_init_varray(struct gl_context *ctx)
{
ctx->Array.DefaultArrayObj = _mesa_new_array_object(ctx, 0);
_mesa_reference_array_object(ctx, &ctx->Array.ArrayObj,
ctx->Array.DefaultArrayObj);
ctx->Array.ActiveTexture = 0; /* GL_ARB_multitexture */
ctx->Array.Objects = _mesa_NewHashTable();
}
