void
_cogl_gl_disable_all_attributes (CoglContext *ctx)
{
_cogl_bitmask_clear_all (&ctx->enable_builtin_attributes_tmp);
_cogl_bitmask_clear_all (&ctx->enable_texcoord_attributes_tmp);
_cogl_bitmask_clear_all (&ctx->enable_custom_attributes_tmp);
/* XXX: we can pass a NULL source pipeline here because we know a
* source pipeline only needs to be referenced when enabling
* attributes. */
apply_attribute_enable_updates (ctx, NULL);
}
void
_cogl_gl_flush_attributes_state (CoglFramebuffer *framebuffer,
CoglPipeline *pipeline,
CoglFlushLayerState *layers_state,
CoglDrawFlags flags,
CoglAttribute **attributes,
int n_attributes)
{
CoglContext *ctx = framebuffer->context;
int i;
CoglBool skip_gl_color = FALSE;
CoglPipeline *copy = NULL;
/* Iterate the attributes to work out whether blending needs to be
enabled and how many texture coords there are. We need to do this
before flushing the pipeline. */
for (i = 0; i < n_attributes; i++)
switch (attributes[i]->name_state->name_id)
{
case COGL_ATTRIBUTE_NAME_ID_COLOR_ARRAY:
if ((flags & COGL_DRAW_COLOR_ATTRIBUTE_IS_OPAQUE) == 0 &&
!_cogl_pipeline_get_real_blend_enabled (pipeline))
{
CoglPipelineBlendEnable blend_enable =
COGL_PIPELINE_BLEND_ENABLE_ENABLED;
copy = cogl_pipeline_copy (pipeline);
_cogl_pipeline_set_blend_enabled (copy, blend_enable);
pipeline = copy;
}
skip_gl_color = TRUE;
break;
default:
break;
}
if (G_UNLIKELY (layers_state->options.flags))
{
/* If we haven't already created a derived pipeline... */
if (!copy)
{
copy = cogl_pipeline_copy (pipeline);
pipeline = copy;
}
_cogl_pipeline_apply_overrides (pipeline, &layers_state->options);
/* TODO:
* overrides = cogl_pipeline_get_data (pipeline,
* last_overrides_key);
* if (overrides)
* {
* age = cogl_pipeline_get_age (pipeline);
* XXX: actually we also need to check for legacy_state
* and blending overrides for use of glColorPointer...
* if (overrides->ags != age ||
* memcmp (&overrides->options, &options,
* sizeof (options) != 0)
* {
* cogl_object_unref (overrides->weak_pipeline);
* g_slice_free (Overrides, overrides);
* overrides = NULL;
* }
* }
* if (!overrides)
* {
* overrides = g_slice_new (Overrides);
* overrides->weak_pipeline =
* cogl_pipeline_weak_copy (pipeline);
* _cogl_pipeline_apply_overrides (overrides->weak_pipeline,
* &options);
*
* cogl_pipeline_set_data (pipeline, last_overrides_key,
* weak_overrides,
* free_overrides_cb,
* NULL);
* }
* pipeline = overrides->weak_pipeline;
*/
}
_cogl_pipeline_flush_gl_state (pipeline,
framebuffer,
skip_gl_color);
_cogl_bitmask_clear_all (&ctx->enable_builtin_attributes_tmp);
_cogl_bitmask_clear_all (&ctx->enable_texcoord_attributes_tmp);
_cogl_bitmask_clear_all (&ctx->enable_custom_attributes_tmp);
/* Bind the attribute pointers. We need to do this after the
* pipeline is flushed because when using GLSL that is the only
* point when we can determine the attribute locations */
for (i = 0; i < n_attributes; i++)
{
CoglAttribute *attribute = attributes[i];
CoglAttributeBuffer *attribute_buffer;
CoglBuffer *buffer;
uint8_t *base;
if (attribute->is_buffered)
{
attribute_buffer = cogl_attribute_get_buffer (attribute);
buffer = COGL_BUFFER (attribute_buffer);
/* Note: we don't try and catch errors with binding buffers
* here since OOM errors at this point indicate that nothing
* has yet been uploaded to attribute buffer which we
* consider to be a programmer error.
*/
base =
_cogl_buffer_gl_bind (buffer,
COGL_BUFFER_BIND_TARGET_ATTRIBUTE_BUFFER,
NULL);
if (pipeline->progend == COGL_PIPELINE_PROGEND_GLSL)
setup_generic_buffered_attribute (ctx, pipeline, attribute, base);
else
setup_legacy_buffered_attribute (ctx, pipeline, attribute, base);
_cogl_buffer_gl_unbind (buffer);
}
else
{
if (pipeline->progend == COGL_PIPELINE_PROGEND_GLSL)
setup_generic_const_attribute (ctx, pipeline, attribute);
else
setup_legacy_const_attribute (ctx, pipeline, attribute);
}
}
apply_attribute_enable_updates (ctx, pipeline);
if (copy)
cogl_object_unref (copy);
}
