/**
* Handle state changes.
* Called just prior to drawing anything (pipe::draw_arrays(), etc).
*
* Hopefully this will remain quite simple, otherwise need to pull in
* something like the state tracker mechanism.
*/
void llvmpipe_update_derived( struct llvmpipe_context *llvmpipe )
{
struct llvmpipe_screen *lp_screen = llvmpipe_screen(llvmpipe->pipe.screen);
/* Check for updated textures.
*/
if (llvmpipe->tex_timestamp != lp_screen->timestamp) {
llvmpipe->tex_timestamp = lp_screen->timestamp;
llvmpipe->dirty |= LP_NEW_SAMPLER_VIEW;
}
if (llvmpipe->dirty & (LP_NEW_FS |
LP_NEW_VS))
compute_vertex_info(llvmpipe);
if (llvmpipe->dirty & (LP_NEW_FS |
LP_NEW_FRAMEBUFFER |
LP_NEW_BLEND |
LP_NEW_SCISSOR |
LP_NEW_DEPTH_STENCIL_ALPHA |
LP_NEW_RASTERIZER |
LP_NEW_SAMPLER |
LP_NEW_SAMPLER_VIEW |
LP_NEW_OCCLUSION_QUERY))
llvmpipe_update_fs( llvmpipe );
if (llvmpipe->dirty & (LP_NEW_RASTERIZER)) {
boolean discard =
(llvmpipe->sample_mask & 1) == 0 ||
(llvmpipe->rasterizer ? llvmpipe->rasterizer->rasterizer_discard : FALSE);
lp_setup_set_rasterizer_discard(llvmpipe->setup, discard);
}
if (llvmpipe->dirty & (LP_NEW_FS |
LP_NEW_FRAMEBUFFER |
LP_NEW_RASTERIZER))
llvmpipe_update_setup( llvmpipe );
if (llvmpipe->dirty & LP_NEW_BLEND_COLOR)
lp_setup_set_blend_color(llvmpipe->setup,
&llvmpipe->blend_color);
if (llvmpipe->dirty & LP_NEW_SCISSOR)
lp_setup_set_scissors(llvmpipe->setup, llvmpipe->scissors);
if (llvmpipe->dirty & LP_NEW_DEPTH_STENCIL_ALPHA) {
lp_setup_set_alpha_ref_value(llvmpipe->setup,
llvmpipe->depth_stencil->alpha.ref_value);
lp_setup_set_stencil_ref_values(llvmpipe->setup,
llvmpipe->stencil_ref.ref_value);
}
if (llvmpipe->dirty & LP_NEW_CONSTANTS)
lp_setup_set_fs_constants(llvmpipe->setup,
Elements(llvmpipe->constants[PIPE_SHADER_FRAGMENT]),
llvmpipe->constants[PIPE_SHADER_FRAGMENT]);
if (llvmpipe->dirty & (LP_NEW_SAMPLER_VIEW))
lp_setup_set_fragment_sampler_views(llvmpipe->setup,
llvmpipe->num_sampler_views[PIPE_SHADER_FRAGMENT],
llvmpipe->sampler_views[PIPE_SHADER_FRAGMENT]);
if (llvmpipe->dirty & (LP_NEW_SAMPLER))
lp_setup_set_fragment_sampler_state(llvmpipe->setup,
llvmpipe->num_samplers[PIPE_SHADER_FRAGMENT],
llvmpipe->samplers[PIPE_SHADER_FRAGMENT]);
if (llvmpipe->dirty & LP_NEW_VIEWPORT) {
/*
* Update setup and fragment's view of the active viewport state.
*
* XXX TODO: It is possible to only loop over the active viewports
* instead of all viewports (PIPE_MAX_VIEWPORTS).
*/
lp_setup_set_viewports(llvmpipe->setup,
PIPE_MAX_VIEWPORTS,
llvmpipe->viewports);
}
llvmpipe->dirty = 0;
}
boolean
lp_setup_update_state( struct lp_setup_context *setup,
boolean update_scene )
{
/* Some of the 'draw' pipeline stages may have changed some driver state.
* Make sure we've processed those state changes before anything else.
*
* XXX this is the only place where llvmpipe_context is used in the
* setup code. This may get refactored/changed...
*/
{
struct llvmpipe_context *lp = llvmpipe_context(setup->pipe);
if (lp->dirty) {
llvmpipe_update_derived(lp);
}
if (lp->setup->dirty) {
llvmpipe_update_setup(lp);
}
assert(setup->setup.variant);
/* Will probably need to move this somewhere else, just need
* to know about vertex shader point size attribute.
*/
setup->psize_slot = lp->psize_slot;
setup->viewport_index_slot = lp->viewport_index_slot;
setup->layer_slot = lp->layer_slot;
setup->face_slot = lp->face_slot;
assert(lp->dirty == 0);
assert(lp->setup_variant.key.size ==
setup->setup.variant->key.size);
assert(memcmp(&lp->setup_variant.key,
&setup->setup.variant->key,
setup->setup.variant->key.size) == 0);
}
if (update_scene && setup->state != SETUP_ACTIVE) {
if (!set_scene_state( setup, SETUP_ACTIVE, __FUNCTION__ ))
return FALSE;
}
/* Only call into update_scene_state() if we already have a
* scene:
*/
if (update_scene && setup->scene) {
assert(setup->state == SETUP_ACTIVE);
if (try_update_scene_state(setup))
return TRUE;
/* Update failed, try to restart the scene.
*
* Cannot call lp_setup_flush_and_restart() directly here
* because of potential recursion.
*/
if (!set_scene_state(setup, SETUP_FLUSHED, __FUNCTION__))
return FALSE;
if (!set_scene_state(setup, SETUP_ACTIVE, __FUNCTION__))
return FALSE;
if (!setup->scene)
return FALSE;
return try_update_scene_state(setup);
}
return TRUE;
}
/**
* Handle state changes.
* Called just prior to drawing anything (pipe::draw_arrays(), etc).
*
* Hopefully this will remain quite simple, otherwise need to pull in
* something like the state tracker mechanism.
*/
void llvmpipe_update_derived( struct llvmpipe_context *llvmpipe )
{
struct llvmpipe_screen *lp_screen = llvmpipe_screen(llvmpipe->pipe.screen);
/* Check for updated textures.
*/
if (llvmpipe->tex_timestamp != lp_screen->timestamp) {
llvmpipe->tex_timestamp = lp_screen->timestamp;
llvmpipe->dirty |= LP_NEW_SAMPLER_VIEW;
}
if (llvmpipe->dirty & (LP_NEW_RASTERIZER |
LP_NEW_FS |
LP_NEW_VS))
compute_vertex_info( llvmpipe );
if (llvmpipe->dirty & (LP_NEW_FS |
LP_NEW_FRAMEBUFFER |
LP_NEW_BLEND |
LP_NEW_SCISSOR |
LP_NEW_DEPTH_STENCIL_ALPHA |
LP_NEW_RASTERIZER |
LP_NEW_SAMPLER |
LP_NEW_SAMPLER_VIEW |
LP_NEW_OCCLUSION_QUERY))
llvmpipe_update_fs( llvmpipe );
if (llvmpipe->dirty & (LP_NEW_FS |
LP_NEW_RASTERIZER))
llvmpipe_update_setup( llvmpipe );
if (llvmpipe->dirty & LP_NEW_BLEND_COLOR)
lp_setup_set_blend_color(llvmpipe->setup,
&llvmpipe->blend_color);
if (llvmpipe->dirty & LP_NEW_SCISSOR)
lp_setup_set_scissors(llvmpipe->setup, llvmpipe->scissors);
if (llvmpipe->dirty & LP_NEW_DEPTH_STENCIL_ALPHA) {
lp_setup_set_alpha_ref_value(llvmpipe->setup,
llvmpipe->depth_stencil->alpha.ref_value);
lp_setup_set_stencil_ref_values(llvmpipe->setup,
llvmpipe->stencil_ref.ref_value);
}
if (llvmpipe->dirty & LP_NEW_CONSTANTS)
lp_setup_set_fs_constants(llvmpipe->setup,
Elements(llvmpipe->constants[PIPE_SHADER_FRAGMENT]),
llvmpipe->constants[PIPE_SHADER_FRAGMENT]);
if (llvmpipe->dirty & (LP_NEW_SAMPLER_VIEW))
lp_setup_set_fragment_sampler_views(llvmpipe->setup,
llvmpipe->num_sampler_views[PIPE_SHADER_FRAGMENT],
llvmpipe->sampler_views[PIPE_SHADER_FRAGMENT]);
if (llvmpipe->dirty & (LP_NEW_SAMPLER))
lp_setup_set_fragment_sampler_state(llvmpipe->setup,
llvmpipe->num_samplers[PIPE_SHADER_FRAGMENT],
llvmpipe->samplers[PIPE_SHADER_FRAGMENT]);
llvmpipe->dirty = 0;
}
