diff options
Diffstat (limited to 'src')
34 files changed, 856 insertions, 264 deletions
diff --git a/src/gallium/state_trackers/glx/xlib/xm_api.c b/src/gallium/state_trackers/glx/xlib/xm_api.c index a3d1651653..79c2230588 100644 --- a/src/gallium/state_trackers/glx/xlib/xm_api.c +++ b/src/gallium/state_trackers/glx/xlib/xm_api.c @@ -1100,26 +1100,19 @@ XMesaContext XMesaGetCurrentContext( void ) - - - -/* - * Copy the back buffer to the front buffer. If there's no back buffer - * this is a no-op. +/** + * Swap front and back color buffers and have winsys display front buffer. + * If there's no front color buffer no swap actually occurs. */ PUBLIC void XMesaSwapBuffers( XMesaBuffer b ) { - struct pipe_surface *surf; + struct pipe_surface *frontLeftSurf; - /* If we're swapping the buffer associated with the current context - * we have to flush any pending rendering commands first. - */ - st_notify_swapbuffers(b->stfb); + st_swapbuffers(b->stfb, &frontLeftSurf, NULL); - st_get_framebuffer_surface(b->stfb, ST_SURFACE_BACK_LEFT, &surf); - if (surf) { - driver.display_surface(b, surf); + if (frontLeftSurf) { + driver.display_surface(b, frontLeftSurf); } xmesa_check_and_update_buffer_size(NULL, b); diff --git a/src/gallium/winsys/egl_xlib/egl_xlib.c b/src/gallium/winsys/egl_xlib/egl_xlib.c index b52f427e4a..c10e3c00ff 100644 --- a/src/gallium/winsys/egl_xlib/egl_xlib.c +++ b/src/gallium/winsys/egl_xlib/egl_xlib.c @@ -588,7 +588,9 @@ find_supported_apis(void) EGLint mask = 0; void *handle; - handle = dlopen(NULL, 0); + handle = dlopen(NULL, RTLD_LAZY | RTLD_LOCAL); + if(!handle) + return mask; if (dlsym(handle, "st_api_OpenGL_ES1")) mask |= EGL_OPENGL_ES_BIT; diff --git a/src/mesa/drivers/dri/i915/i915_context.c b/src/mesa/drivers/dri/i915/i915_context.c index 1f9f363df9..367d2a3b64 100644 --- a/src/mesa/drivers/dri/i915/i915_context.c +++ b/src/mesa/drivers/dri/i915/i915_context.c @@ -73,7 +73,7 @@ i915InvalidateState(GLcontext * ctx, GLuint new_state) p->params_uptodate = 0; } - if (new_state & (_NEW_FOG | _NEW_HINT | _NEW_PROGRAM)) + if (new_state & (_NEW_FOG | _NEW_HINT | _NEW_PROGRAM | _NEW_PROGRAM_CONSTANTS)) i915_update_fog(ctx); } diff --git a/src/mesa/drivers/dri/i965/brw_context.h b/src/mesa/drivers/dri/i965/brw_context.h index aef2ff5f86..838e718d0d 100644 --- a/src/mesa/drivers/dri/i965/brw_context.h +++ b/src/mesa/drivers/dri/i965/brw_context.h @@ -245,6 +245,9 @@ struct brw_vs_ouput_sizes { }; +/** Number of general purpose registers (VS, WM, etc) */ +#define BRW_MAX_GRF 128 + /** Number of texture sampler units */ #define BRW_MAX_TEX_UNIT 16 @@ -450,8 +453,6 @@ struct brw_context struct { struct brw_state_flags dirty; - struct brw_tracked_state **atoms; - GLuint nr_atoms; GLuint nr_color_regions; struct intel_region *color_regions[MAX_DRAW_BUFFERS]; @@ -471,7 +472,8 @@ struct brw_context int validated_bo_count; } state; - struct brw_cache cache; + struct brw_cache cache; /** non-surface items */ + struct brw_cache surface_cache; /* surface items */ struct brw_cached_batch_item *cached_batch_items; struct { @@ -555,11 +557,6 @@ struct brw_context GLuint vs_size; GLuint total_size; - /* Dynamic tracker which changes to reflect the state referenced - * by active fp and vp program parameters: - */ - struct brw_tracked_state tracked_state; - dri_bo *curbe_bo; /** Offset within curbe_bo of space for current curbe entry */ GLuint curbe_offset; diff --git a/src/mesa/drivers/dri/i965/brw_curbe.c b/src/mesa/drivers/dri/i965/brw_curbe.c index 9197fede2d..05a685af3d 100644 --- a/src/mesa/drivers/dri/i965/brw_curbe.c +++ b/src/mesa/drivers/dri/i965/brw_curbe.c @@ -36,6 +36,7 @@ #include "main/macros.h" #include "main/enums.h" #include "shader/prog_parameter.h" +#include "shader/prog_print.h" #include "shader/prog_statevars.h" #include "intel_batchbuffer.h" #include "intel_regions.h" @@ -188,13 +189,6 @@ static void prepare_constant_buffer(struct brw_context *brw) GLfloat *buf; GLuint i; - /* Update our own dependency flags. This works because this - * function will also be called whenever fp or vp changes. - */ - brw->curbe.tracked_state.dirty.mesa = (_NEW_TRANSFORM|_NEW_PROJECTION); - brw->curbe.tracked_state.dirty.mesa |= vp->program.Base.Parameters->StateFlags; - brw->curbe.tracked_state.dirty.mesa |= fp->program.Base.Parameters->StateFlags; - if (sz == 0) { if (brw->curbe.last_buf) { free(brw->curbe.last_buf); @@ -363,11 +357,7 @@ update_constant_buffer(struct brw_context *brw, } if (0) { - int i; - for (i = 0; i < params->NumParameters; i++) { - float *p = params->ParameterValues[i]; - printf("%d: %f %f %f %f\n", i, p[0], p[1], p[2], p[3]); - } + _mesa_print_parameter_list(params); } } } @@ -380,7 +370,7 @@ update_vertex_constant_buffer(struct brw_context *brw) struct brw_vertex_program *vp = (struct brw_vertex_program *) brw->vertex_program; if (0) { - printf("update VS constants in buffer %p\n", vp->const_buffer); + printf("update VS constants in buffer %p vp = %p\n", vp->const_buffer, vp); printf("program %u\n", vp->program.Base.Id); } if (vp->use_const_buffer) @@ -394,6 +384,10 @@ update_fragment_constant_buffer(struct brw_context *brw) { struct brw_fragment_program *fp = (struct brw_fragment_program *) brw->fragment_program; + if (0) { + printf("update WM constants in buffer %p\n", fp->const_buffer); + printf("program %u\n", fp->program.Base.Id); + } if (fp->use_const_buffer) update_constant_buffer(brw, fp->program.Base.Parameters, fp->const_buffer); } @@ -428,7 +422,7 @@ static void emit_constant_buffer(struct brw_context *brw) */ const struct brw_tracked_state brw_constant_buffer = { .dirty = { - .mesa = (_NEW_TRANSFORM|_NEW_PROJECTION), /* plus fp and vp flags */ + .mesa = _NEW_PROGRAM_CONSTANTS, .brw = (BRW_NEW_FRAGMENT_PROGRAM | BRW_NEW_VERTEX_PROGRAM | BRW_NEW_URB_FENCE | /* Implicit - hardware requires this, not used above */ diff --git a/src/mesa/drivers/dri/i965/brw_state.h b/src/mesa/drivers/dri/i965/brw_state.h index 81b0a45998..7ea2fc113c 100644 --- a/src/mesa/drivers/dri/i965/brw_state.h +++ b/src/mesa/drivers/dri/i965/brw_state.h @@ -135,8 +135,8 @@ dri_bo *brw_search_cache( struct brw_cache *cache, void *aux_return); void brw_state_cache_check_size( struct brw_context *brw ); -void brw_init_cache( struct brw_context *brw ); -void brw_destroy_cache( struct brw_context *brw ); +void brw_init_caches( struct brw_context *brw ); +void brw_destroy_caches( struct brw_context *brw ); /*********************************************************************** * brw_state_batch.c diff --git a/src/mesa/drivers/dri/i965/brw_state_cache.c b/src/mesa/drivers/dri/i965/brw_state_cache.c index d5b5166406..320d886c99 100644 --- a/src/mesa/drivers/dri/i965/brw_state_cache.c +++ b/src/mesa/drivers/dri/i965/brw_state_cache.c @@ -56,9 +56,9 @@ * incorrect program is run for the other instance. */ +#include "main/imports.h" #include "brw_state.h" #include "intel_batchbuffer.h" -#include "main/imports.h" /* XXX: Fixme - have to include these to get the sizes of the prog_key * structs: @@ -69,8 +69,10 @@ #include "brw_sf.h" #include "brw_gs.h" -static GLuint hash_key( const void *key, GLuint key_size, - dri_bo **reloc_bufs, GLuint nr_reloc_bufs) + +static GLuint +hash_key(const void *key, GLuint key_size, + dri_bo **reloc_bufs, GLuint nr_reloc_bufs) { GLuint *ikey = (GLuint *)key; GLuint hash = 0, i; @@ -95,6 +97,7 @@ static GLuint hash_key( const void *key, GLuint key_size, return hash; } + /** * Marks a new buffer as being chosen for the given cache id. */ @@ -111,6 +114,7 @@ update_cache_last(struct brw_cache *cache, enum brw_cache_id cache_id, cache->brw->state.dirty.cache |= 1 << cache_id; } + static struct brw_cache_item * search_cache(struct brw_cache *cache, enum brw_cache_id cache_id, GLuint hash, const void *key, GLuint key_size, @@ -143,7 +147,8 @@ search_cache(struct brw_cache *cache, enum brw_cache_id cache_id, } -static void rehash( struct brw_cache *cache ) +static void +rehash(struct brw_cache *cache) { struct brw_cache_item **items; struct brw_cache_item *c, *next; @@ -164,15 +169,17 @@ static void rehash( struct brw_cache *cache ) cache->size = size; } + /** * Returns the buffer object matching cache_id and key, or NULL. */ -dri_bo *brw_search_cache( struct brw_cache *cache, - enum brw_cache_id cache_id, - const void *key, - GLuint key_size, - dri_bo **reloc_bufs, GLuint nr_reloc_bufs, - void *aux_return ) +dri_bo * +brw_search_cache(struct brw_cache *cache, + enum brw_cache_id cache_id, + const void *key, + GLuint key_size, + dri_bo **reloc_bufs, GLuint nr_reloc_bufs, + void *aux_return) { struct brw_cache_item *item; GLuint hash = hash_key(key, key_size, reloc_bufs, nr_reloc_bufs); @@ -192,6 +199,7 @@ dri_bo *brw_search_cache( struct brw_cache *cache, return item->bo; } + dri_bo * brw_upload_cache( struct brw_cache *cache, enum brw_cache_id cache_id, @@ -265,7 +273,9 @@ brw_upload_cache( struct brw_cache *cache, return bo; } -/* This doesn't really work with aux data. Use search/upload instead + +/** + * This doesn't really work with aux data. Use search/upload instead */ dri_bo * brw_cache_data_sz(struct brw_cache *cache, @@ -296,6 +306,7 @@ brw_cache_data_sz(struct brw_cache *cache, return bo; } + /** * Wrapper around brw_cache_data_sz using the cache_id's canonical key size. * @@ -319,21 +330,22 @@ enum pool_type { DW_GENERAL_STATE }; + static void -brw_init_cache_id( struct brw_context *brw, - const char *name, - enum brw_cache_id id, - GLuint key_size, - GLuint aux_size) +brw_init_cache_id(struct brw_cache *cache, + const char *name, + enum brw_cache_id id, + GLuint key_size, + GLuint aux_size) { - struct brw_cache *cache = &brw->cache; - cache->name[id] = strdup(name); cache->key_size[id] = key_size; cache->aux_size[id] = aux_size; } -void brw_init_cache( struct brw_context *brw ) + +static void +brw_init_non_surface_cache(struct brw_context *brw) { struct brw_cache *cache = &brw->cache; @@ -342,114 +354,136 @@ void brw_init_cache( struct brw_context *brw ) cache->size = 7; cache->n_items = 0; cache->items = (struct brw_cache_item **) - _mesa_calloc(cache->size * - sizeof(struct brw_cache_item)); + _mesa_calloc(cache->size * sizeof(struct brw_cache_item)); - brw_init_cache_id(brw, + brw_init_cache_id(cache, "CC_VP", BRW_CC_VP, sizeof(struct brw_cc_viewport), 0); - brw_init_cache_id(brw, + brw_init_cache_id(cache, "CC_UNIT", BRW_CC_UNIT, sizeof(struct brw_cc_unit_state), 0); - brw_init_cache_id(brw, + brw_init_cache_id(cache, "WM_PROG", BRW_WM_PROG, sizeof(struct brw_wm_prog_key), sizeof(struct brw_wm_prog_data)); - brw_init_cache_id(brw, + brw_init_cache_id(cache, "SAMPLER_DEFAULT_COLOR", BRW_SAMPLER_DEFAULT_COLOR, sizeof(struct brw_sampler_default_color), 0); - brw_init_cache_id(brw, + brw_init_cache_id(cache, "SAMPLER", BRW_SAMPLER, 0, /* variable key/data size */ 0); - brw_init_cache_id(brw, + brw_init_cache_id(cache, "WM_UNIT", BRW_WM_UNIT, sizeof(struct brw_wm_unit_state), 0); - brw_init_cache_id(brw, + brw_init_cache_id(cache, "SF_PROG", BRW_SF_PROG, sizeof(struct brw_sf_prog_key), sizeof(struct brw_sf_prog_data)); - brw_init_cache_id(brw, + brw_init_cache_id(cache, "SF_VP", BRW_SF_VP, sizeof(struct brw_sf_viewport), 0); - brw_init_cache_id(brw, + brw_init_cache_id(cache, "SF_UNIT", BRW_SF_UNIT, sizeof(struct brw_sf_unit_state), 0); - brw_init_cache_id(brw, + brw_init_cache_id(cache, "VS_UNIT", BRW_VS_UNIT, sizeof(struct brw_vs_unit_state), 0); - brw_init_cache_id(brw, + brw_init_cache_id(cache, "VS_PROG", BRW_VS_PROG, sizeof(struct brw_vs_prog_key), sizeof(struct brw_vs_prog_data)); - brw_init_cache_id(brw, + brw_init_cache_id(cache, "CLIP_UNIT", BRW_CLIP_UNIT, sizeof(struct brw_clip_unit_state), 0); - brw_init_cache_id(brw, + brw_init_cache_id(cache, "CLIP_PROG", BRW_CLIP_PROG, sizeof(struct brw_clip_prog_key), sizeof(struct brw_clip_prog_data)); - brw_init_cache_id(brw, + brw_init_cache_id(cache, "GS_UNIT", BRW_GS_UNIT, sizeof(struct brw_gs_unit_state), 0); - brw_init_cache_id(brw, + brw_init_cache_id(cache, "GS_PROG", BRW_GS_PROG, sizeof(struct brw_gs_prog_key), sizeof(struct brw_gs_prog_data)); +} + + +static void +brw_init_surface_cache(struct brw_context *brw) +{ + struct brw_cache *cache = &brw->surface_cache; - brw_init_cache_id(brw, + cache->brw = brw; + + cache->size = 7; + cache->n_items = 0; + cache->items = (struct brw_cache_item **) + _mesa_calloc(cache->size * sizeof(struct brw_cache_item)); + + brw_init_cache_id(cache, "SS_SURFACE", BRW_SS_SURFACE, sizeof(struct brw_surface_state), 0); - brw_init_cache_id(brw, + brw_init_cache_id(cache, "SS_SURF_BIND", BRW_SS_SURF_BIND, 0, 0); } + +void +brw_init_caches(struct brw_context *brw) +{ + brw_init_non_surface_cache(brw); + brw_init_surface_cache(brw); +} + + static void -brw_clear_cache( struct brw_context *brw ) +brw_clear_cache(struct brw_context *brw, struct brw_cache *cache) { struct brw_cache_item *c, *next; GLuint i; @@ -457,8 +491,8 @@ brw_clear_cache( struct brw_context *brw ) if (INTEL_DEBUG & DEBUG_STATE) _mesa_printf("%s\n", __FUNCTION__); - for (i = 0; i < brw->cache.size; i++) { - for (c = brw->cache.items[i]; c; c = next) { + for (i = 0; i < cache->size; i++) { + for (c = cache->items[i]; c; c = next) { int j; next = c->next; @@ -468,10 +502,10 @@ brw_clear_cache( struct brw_context *brw ) free((void *)c->key); free(c); } - brw->cache.items[i] = NULL; + cache->items[i] = NULL; } - brw->cache.n_items = 0; + cache->n_items = 0; if (brw->curbe.last_buf) { _mesa_free(brw->curbe.last_buf); @@ -483,25 +517,40 @@ brw_clear_cache( struct brw_context *brw ) brw->state.dirty.cache |= ~0; } -void brw_state_cache_check_size( struct brw_context *brw ) + +void +brw_state_cache_check_size(struct brw_context *brw) { /* un-tuned guess. We've got around 20 state objects for a total of around * 32k, so 1000 of them is around 1.5MB. */ if (brw->cache.n_items > 1000) - brw_clear_cache(brw); + brw_clear_cache(brw, &brw->cache); + + if (brw->surface_cache.n_items > 1000) + brw_clear_cache(brw, &brw->surface_cache); } -void brw_destroy_cache( struct brw_context *brw ) + +static void +brw_destroy_cache(struct brw_context *brw, struct brw_cache *cache) { GLuint i; - brw_clear_cache(brw); + brw_clear_cache(brw, cache); for (i = 0; i < BRW_MAX_CACHE; i++) { - dri_bo_unreference(brw->cache.last_bo[i]); - free(brw->cache.name[i]); + dri_bo_unreference(cache->last_bo[i]); + free(cache->name[i]); } - free(brw->cache.items); - brw->cache.items = NULL; - brw->cache.size = 0; + free(cache->items); + cache->items = NULL; + cache->size = 0; +} + + +void +brw_destroy_caches(struct brw_context *brw) +{ + brw_destroy_cache(brw, &brw->cache); + brw_destroy_cache(brw, &brw->surface_cache); } diff --git a/src/mesa/drivers/dri/i965/brw_state_upload.c b/src/mesa/drivers/dri/i965/brw_state_upload.c index 5de1450e61..2641bcb2aa 100644 --- a/src/mesa/drivers/dri/i965/brw_state_upload.c +++ b/src/mesa/drivers/dri/i965/brw_state_upload.c @@ -59,7 +59,6 @@ const struct brw_tracked_state *atoms[] = &brw_curbe_offsets, &brw_recalculate_urb_fence, - &brw_cc_vp, &brw_cc_unit, @@ -88,54 +87,26 @@ const struct brw_tracked_state *atoms[] = &brw_line_stipple, &brw_aa_line_parameters, - /* Ordering of the commands below is documented as fixed. - */ -#if 0 - &brw_pipelined_state_pointers, - &brw_urb_fence, - &brw_constant_buffer_state, -#else + &brw_psp_urb_cbs, -#endif &brw_drawing_rect, &brw_indices, &brw_vertices, - NULL, /* brw_constant_buffer */ + &brw_constant_buffer }; void brw_init_state( struct brw_context *brw ) { - GLuint i; - - brw_init_cache(brw); - - brw->state.atoms = _mesa_malloc(sizeof(atoms)); - brw->state.nr_atoms = sizeof(atoms)/sizeof(*atoms); - _mesa_memcpy(brw->state.atoms, atoms, sizeof(atoms)); - - /* Patch in a pointer to the dynamic state atom: - */ - for (i = 0; i < brw->state.nr_atoms; i++) - if (brw->state.atoms[i] == NULL) - brw->state.atoms[i] = &brw->curbe.tracked_state; - - _mesa_memcpy(&brw->curbe.tracked_state, - &brw_constant_buffer, - sizeof(brw_constant_buffer)); + brw_init_caches(brw); } void brw_destroy_state( struct brw_context *brw ) { - if (brw->state.atoms) { - _mesa_free(brw->state.atoms); - brw->state.atoms = NULL; - } - - brw_destroy_cache(brw); + brw_destroy_caches(brw); brw_destroy_batch_cache(brw); } @@ -218,6 +189,7 @@ static struct dirty_bit_map mesa_bits[] = { DEFINE_BIT(_NEW_MULTISAMPLE), DEFINE_BIT(_NEW_TRACK_MATRIX), DEFINE_BIT(_NEW_PROGRAM), + DEFINE_BIT(_NEW_PROGRAM_CONSTANTS), {0, 0, 0} }; @@ -336,7 +308,7 @@ void brw_validate_state( struct brw_context *brw ) /* do prepare stage for all atoms */ for (i = 0; i < Elements(atoms); i++) { - const struct brw_tracked_state *atom = brw->state.atoms[i]; + const struct brw_tracked_state *atom = atoms[i]; if (brw->intel.Fallback) break; @@ -367,8 +339,8 @@ void brw_upload_state(struct brw_context *brw) _mesa_memset(&examined, 0, sizeof(examined)); prev = *state; - for (i = 0; i < brw->state.nr_atoms; i++) { - const struct brw_tracked_state *atom = brw->state.atoms[i]; + for (i = 0; i < Elements(atoms); i++) { + const struct brw_tracked_state *atom = atoms[i]; struct brw_state_flags generated; assert(atom->dirty.mesa || @@ -397,7 +369,7 @@ void brw_upload_state(struct brw_context *brw) } else { for (i = 0; i < Elements(atoms); i++) { - const struct brw_tracked_state *atom = brw->state.atoms[i]; + const struct brw_tracked_state *atom = atoms[i]; if (brw->intel.Fallback) break; diff --git a/src/mesa/drivers/dri/i965/brw_vs_emit.c b/src/mesa/drivers/dri/i965/brw_vs_emit.c index b69616d6e5..3fdc48583b 100644 --- a/src/mesa/drivers/dri/i965/brw_vs_emit.c +++ b/src/mesa/drivers/dri/i965/brw_vs_emit.c @@ -69,13 +69,18 @@ static void brw_vs_alloc_regs( struct brw_vs_compile *c ) { GLuint i, reg = 0, mrf; -#if 0 - if (c->vp->program.Base.Parameters->NumParameters >= 6) - c->vp->use_const_buffer = 1; + /* Determine whether to use a real constant buffer or use a block + * of GRF registers for constants. The later is faster but only + * works if everything fits in the GRF. + * XXX this heuristic/check may need some fine tuning... + */ + if (c->vp->program.Base.Parameters->NumParameters + + c->vp->program.Base.NumTemporaries + 20 > BRW_MAX_GRF) + c->vp->use_const_buffer = GL_TRUE; else -#endif c->vp->use_const_buffer = GL_FALSE; - /*printf("use_const_buffer = %d\n", c->use_const_buffer);*/ + + /*printf("use_const_buffer = %d\n", c->vp->use_const_buffer);*/ /* r0 -- reserved as usual */ diff --git a/src/mesa/drivers/dri/i965/brw_wm.h b/src/mesa/drivers/dri/i965/brw_wm.h index f0d31fc1dd..2f80a60c12 100644 --- a/src/mesa/drivers/dri/i965/brw_wm.h +++ b/src/mesa/drivers/dri/i965/brw_wm.h @@ -240,15 +240,18 @@ struct brw_wm_compile { GLuint max_wm_grf; GLuint last_scratch; + GLuint cur_inst; /**< index of current instruction */ + /** Mapping from Mesa registers to hardware registers */ struct { GLboolean inited; struct brw_reg reg; } wm_regs[PROGRAM_PAYLOAD+1][256][4]; + GLboolean used_grf[BRW_WM_MAX_GRF]; + GLuint first_free_grf; struct brw_reg stack; struct brw_reg emit_mask_reg; - GLuint reg_index; /**< Index of next free GRF register */ GLuint tmp_regs[BRW_WM_MAX_GRF]; GLuint tmp_index; GLuint tmp_max; diff --git a/src/mesa/drivers/dri/i965/brw_wm_glsl.c b/src/mesa/drivers/dri/i965/brw_wm_glsl.c index 117460842a..39ea95f6fc 100644 --- a/src/mesa/drivers/dri/i965/brw_wm_glsl.c +++ b/src/mesa/drivers/dri/i965/brw_wm_glsl.c @@ -1,5 +1,7 @@ #include "main/macros.h" #include "shader/prog_parameter.h" +#include "shader/prog_print.h" +#include "shader/prog_optimize.h" #include "brw_context.h" #include "brw_eu.h" #include "brw_wm.h" @@ -42,6 +44,76 @@ GLboolean brw_wm_is_glsl(const struct gl_fragment_program *fp) } + +static void +reclaim_temps(struct brw_wm_compile *c); + + +/** Mark GRF register as used. */ +static void +prealloc_grf(struct brw_wm_compile *c, int r) +{ + c->used_grf[r] = GL_TRUE; +} + + +/** Mark given GRF register as not in use. */ +static void +release_grf(struct brw_wm_compile *c, int r) +{ + /*assert(c->used_grf[r]);*/ + c->used_grf[r] = GL_FALSE; + c->first_free_grf = MIN2(c->first_free_grf, r); +} + + +/** Return index of a free GRF, mark it as used. */ +static int +alloc_grf(struct brw_wm_compile *c) +{ + GLuint r; + for (r = c->first_free_grf; r < BRW_WM_MAX_GRF; r++) { + if (!c->used_grf[r]) { + c->used_grf[r] = GL_TRUE; + c->first_free_grf = r + 1; /* a guess */ + return r; + } + } + + /* no free temps, try to reclaim some */ + reclaim_temps(c); + c->first_free_grf = 0; + + /* try alloc again */ + for (r = c->first_free_grf; r < BRW_WM_MAX_GRF; r++) { + if (!c->used_grf[r]) { + c->used_grf[r] = GL_TRUE; + c->first_free_grf = r + 1; /* a guess */ + return r; + } + } + + for (r = 0; r < BRW_WM_MAX_GRF; r++) { + assert(c->used_grf[r]); + } + /*printf("Really out of temp regs!\n");*/ + return 60; +} + + +/** Return number of GRF registers used */ +static int +num_grf_used(const struct brw_wm_compile *c) +{ + int r; + for (r = BRW_WM_MAX_GRF - 1; r >= 0; r--) + if (c->used_grf[r]) + return r + 1; + return 0; +} + + + /** * Record the mapping of a Mesa register to a hardware register. */ @@ -68,11 +140,18 @@ static int get_scalar_dst_index(const struct prog_instruction *inst) static struct brw_reg alloc_tmp(struct brw_wm_compile *c) { struct brw_reg reg; - if(c->tmp_index == c->tmp_max) - c->tmp_regs[ c->tmp_max++ ] = c->reg_index++; - + + /* if we need to allocate another temp, grow the tmp_regs[] array */ + if (c->tmp_index == c->tmp_max) { + c->tmp_regs[ c->tmp_max++ ] = alloc_grf(c); + } + + /* form the GRF register */ reg = brw_vec8_grf(c->tmp_regs[ c->tmp_index++ ], 0); + /*printf("alloc_temp %d\n", reg.nr);*/ + assert(reg.nr < BRW_WM_MAX_GRF); return reg; + } /** @@ -130,35 +209,26 @@ get_reg(struct brw_wm_compile *c, int file, int index, int component, return brw_null_reg(); } + assert(index < 256); /* see if we've already allocated a HW register for this Mesa register */ if (c->wm_regs[file][index][component].inited) { - /* yes, re-use */ - reg = c->wm_regs[file][index][component].reg; + /* yes, re-use */ + reg = c->wm_regs[file][index][component].reg; } else { /* no, allocate new register */ - reg = brw_vec8_grf(c->reg_index, 0); - } + int grf = alloc_grf(c); + if (grf < 0) { + /* totally out of temps */ + grf = 70; /* XXX !!!! */ + } - /* if this is a new register allocation, record it in the table */ - if (!c->wm_regs[file][index][component].inited) { - set_reg(c, file, index, component, reg); - c->reg_index++; - } + reg = brw_vec8_grf(grf, 0); + /*printf("Alloc new grf %d for %d.%d\n", reg.nr, index, component);*/ - if (c->reg_index >= BRW_WM_MAX_GRF - 12) { - /* ran out of temporary registers! */ -#if 1 - /* This is a big hack for now. - * Return bad register index, just don't hang the GPU. - */ - _mesa_fprintf(stderr, "out of regs %d\n", c->reg_index); - c->reg_index = BRW_WM_MAX_GRF - 13; -#else - return brw_null_reg(); -#endif + set_reg(c, file, index, component, reg); } - + if (neg & (1 << component)) { reg = negate(reg); } @@ -168,6 +238,46 @@ get_reg(struct brw_wm_compile *c, int file, int index, int component, } + +/** + * This is called if we run out of GRF registers. Examine the live intervals + * of temp regs in the program and free those which won't be used again. + */ +static void +reclaim_temps(struct brw_wm_compile *c) +{ + GLint intBegin[MAX_PROGRAM_TEMPS]; + GLint intEnd[MAX_PROGRAM_TEMPS]; + int index; + + /*printf("Reclaim temps:\n");*/ + + _mesa_find_temp_intervals(c->prog_instructions, c->nr_fp_insns, + intBegin, intEnd); + + for (index = 0; index < MAX_PROGRAM_TEMPS; index++) { + if (intEnd[index] != -1 && intEnd[index] < c->cur_inst) { + /* program temp[i] can be freed */ + int component; + /*printf(" temp[%d] is dead\n", index);*/ + for (component = 0; component < 4; component++) { + if (c->wm_regs[PROGRAM_TEMPORARY][index][component].inited) { + int r = c->wm_regs[PROGRAM_TEMPORARY][index][component].reg.nr; + release_grf(c, r); + /* + printf(" Reclaim temp %d, reg %d at inst %d\n", + index, r, c->cur_inst); + */ + c->wm_regs[PROGRAM_TEMPORARY][index][component].inited = GL_FALSE; + } + } + } + } +} + + + + /** * Preallocate registers. This sets up the Mesa to hardware register * mapping for certain registers, such as constants (uniforms/state vars) @@ -179,6 +289,10 @@ static void prealloc_reg(struct brw_wm_compile *c) struct brw_reg reg; int nr_interp_regs = 0; GLuint inputs = FRAG_BIT_WPOS | c->fp_interp_emitted | c->fp_deriv_emitted; + GLuint reg_index = 0; + + memset(c->used_grf, GL_FALSE, sizeof(c->used_grf)); + c->first_free_grf = 0; for (i = 0; i < 4; i++) { if (i < c->key.nr_depth_regs) @@ -187,14 +301,20 @@ static void prealloc_reg(struct brw_wm_compile *c) reg = brw_vec8_grf(0, 0); set_reg(c, PROGRAM_PAYLOAD, PAYLOAD_DEPTH, i, reg); } - c->reg_index += 2 * c->key.nr_depth_regs; + reg_index += 2 * c->key.nr_depth_regs; /* constants */ { - const int nr_params = c->fp->program.Base.Parameters->NumParameters; + const GLuint nr_params = c->fp->program.Base.Parameters->NumParameters; + const GLuint nr_temps = c->fp->program.Base.NumTemporaries; /* use a real constant buffer, or just use a section of the GRF? */ - c->fp->use_const_buffer = GL_FALSE; /* (nr_params > 8);*/ + /* XXX this heuristic may need adjustment... */ + if ((nr_params + nr_temps) * 4 + reg_index > 80) + c->fp->use_const_buffer = GL_TRUE; + else + c->fp->use_const_buffer = GL_FALSE; + /*printf("WM use_const_buffer = %d\n", c->fp->use_const_buffer);*/ if (c->fp->use_const_buffer) { /* We'll use a real constant buffer and fetch constants from @@ -216,7 +336,7 @@ static void prealloc_reg(struct brw_wm_compile *c) for (i = 0; i < nr_params; i++) { /* loop over XYZW channels */ for (j = 0; j < 4; j++, index++) { - reg = brw_vec1_grf(c->reg_index + index / 8, index % 8); + reg = brw_vec1_grf(reg_index + index / 8, index % 8); /* Save pointer to parameter/constant value. * Constants will be copied in prepare_constant_buffer() */ @@ -226,7 +346,7 @@ static void prealloc_reg(struct brw_wm_compile *c) } /* number of constant regs used (each reg is float[8]) */ c->nr_creg = 2 * ((4 * nr_params + 15) / 16); - c->reg_index += c->nr_creg; + reg_index += c->nr_creg; } } @@ -234,20 +354,24 @@ static void prealloc_reg(struct brw_wm_compile *c) for (i = 0; i < FRAG_ATTRIB_MAX; i++) { if (inputs & (1<<i)) { nr_interp_regs++; - reg = brw_vec8_grf(c->reg_index, 0); + reg = brw_vec8_grf(reg_index, 0); for (j = 0; j < 4; j++) set_reg(c, PROGRAM_PAYLOAD, i, j, reg); - c->reg_index += 2; + reg_index += 2; } } c->prog_data.first_curbe_grf = c->key.nr_depth_regs * 2; c->prog_data.urb_read_length = nr_interp_regs * 2; c->prog_data.curb_read_length = c->nr_creg; - c->emit_mask_reg = brw_uw1_reg(BRW_GENERAL_REGISTER_FILE, c->reg_index, 0); - c->reg_index++; - c->stack = brw_uw16_reg(BRW_GENERAL_REGISTER_FILE, c->reg_index, 0); - c->reg_index += 2; + c->emit_mask_reg = brw_uw1_reg(BRW_GENERAL_REGISTER_FILE, reg_index, 0); + reg_index++; + c->stack = brw_uw16_reg(BRW_GENERAL_REGISTER_FILE, reg_index, 0); + reg_index += 2; + + /* mark GRF regs [0..reg_index-1] as in-use */ + for (i = 0; i < reg_index; i++) + prealloc_grf(c, i); /* An instruction may reference up to three constants. * They'll be found in these registers. @@ -256,7 +380,7 @@ static void prealloc_reg(struct brw_wm_compile *c) if (c->fp->use_const_buffer) { for (i = 0; i < 3; i++) { c->current_const[i].index = -1; - c->current_const[i].reg = alloc_tmp(c); + c->current_const[i].reg = brw_vec8_grf(alloc_grf(c), 0); } } #if 0 @@ -2595,7 +2719,6 @@ static void brw_wm_emit_glsl(struct brw_context *brw, struct brw_wm_compile *c) struct brw_compile *p = &c->func; struct brw_indirect stack_index = brw_indirect(0, 0); - c->reg_index = 0; prealloc_reg(c); brw_set_compression_control(p, BRW_COMPRESSION_NONE); brw_MOV(p, get_addr_reg(stack_index), brw_address(c->stack)); @@ -2603,6 +2726,8 @@ static void brw_wm_emit_glsl(struct brw_context *brw, struct brw_wm_compile *c) for (i = 0; i < c->nr_fp_insns; i++) { const struct prog_instruction *inst = &c->prog_instructions[i]; + c->cur_inst = i; + #if 0 _mesa_printf("Inst %d: ", i); _mesa_print_instruction(inst); @@ -2833,17 +2958,13 @@ static void brw_wm_emit_glsl(struct brw_context *brw, struct brw_wm_compile *c) _mesa_printf("unsupported IR in fragment shader %d\n", inst->Opcode); } + if (inst->CondUpdate) brw_set_predicate_control(p, BRW_PREDICATE_NORMAL); else brw_set_predicate_control(p, BRW_PREDICATE_NONE); } post_wm_emit(c); - - if (c->reg_index >= BRW_WM_MAX_GRF) { - _mesa_problem(NULL, "Ran out of registers in brw_wm_emit_glsl()"); - /* XXX we need to do some proper error recovery here */ - } } @@ -2867,6 +2988,6 @@ void brw_wm_glsl_emit(struct brw_context *brw, struct brw_wm_compile *c) brw_wm_print_program(c, "brw_wm_glsl_emit done"); } - c->prog_data.total_grf = c->reg_index; + c->prog_data.total_grf = num_grf_used(c); c->prog_data.total_scratch = 0; } diff --git a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c index 805df8a4af..f646ee7fc3 100644 --- a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c +++ b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c @@ -268,7 +268,7 @@ brw_create_texture_surface( struct brw_context *brw, surf.ss0.cube_neg_z = 1; } - bo = brw_upload_cache(&brw->cache, BRW_SS_SURFACE, + bo = brw_upload_cache(&brw->surface_cache, BRW_SS_SURFACE, key, sizeof(*key), &key->bo, key->bo ? 1 : 0, &surf, sizeof(surf), @@ -321,10 +321,11 @@ brw_update_texture_surface( GLcontext *ctx, GLuint unit ) key.tiling = intelObj->mt->region->tiling; dri_bo_unreference(brw->wm.surf_bo[surf]); - brw->wm.surf_bo[surf] = brw_search_cache(&brw->cache, BRW_SS_SURFACE, - &key, sizeof(key), - &key.bo, key.bo ? 1 : 0, - NULL); + brw->wm.surf_bo[surf] = brw_search_cache(&brw->surface_cache, + BRW_SS_SURFACE, + &key, sizeof(key), + &key.bo, key.bo ? 1 : 0, + NULL); if (brw->wm.surf_bo[surf] == NULL) { brw->wm.surf_bo[surf] = brw_create_texture_surface(brw, &key); } @@ -362,7 +363,7 @@ brw_create_constant_surface( struct brw_context *brw, surf.ss3.pitch = (key->pitch * key->cpp) - 1; /* ignored?? */ brw_set_surface_tiling(&surf, key->tiling); /* tiling now allowed */ - bo = brw_upload_cache(&brw->cache, BRW_SS_SURFACE, + bo = brw_upload_cache(&brw->surface_cache, BRW_SS_SURFACE, key, sizeof(*key), &key->bo, key->bo ? 1 : 0, &surf, sizeof(surf), @@ -427,7 +428,8 @@ brw_update_wm_constant_surface( GLcontext *ctx, */ dri_bo_unreference(brw->wm.surf_bo[surf]); - brw->wm.surf_bo[surf] = brw_search_cache(&brw->cache, BRW_SS_SURFACE, + brw->wm.surf_bo[surf] = brw_search_cache(&brw->surface_cache, + BRW_SS_SURFACE, &key, sizeof(key), &key.bo, key.bo ? 1 : 0, NULL); @@ -456,17 +458,14 @@ brw_update_vs_constant_surface( GLcontext *ctx, assert(surf == 0); - /* free old const buffer if too small */ - if (const_buffer && const_buffer->size < size) { - dri_bo_unreference(const_buffer); - const_buffer = NULL; - } + /* We always create a new VS constant buffer so that several can be + * in flight at a time. Free the old one first... + */ + dri_bo_unreference(const_buffer); - /* alloc new buffer if needed */ - if (!const_buffer) { - const_buffer = - drm_intel_bo_alloc(intel->bufmgr, "vp_const_buffer", size, 64); - } + /* alloc new buffer */ + const_buffer = + drm_intel_bo_alloc(intel->bufmgr, "vp_const_buffer", size, 64); memset(&key, 0, sizeof(key)); @@ -487,7 +486,8 @@ brw_update_vs_constant_surface( GLcontext *ctx, */ dri_bo_unreference(brw->vs.surf_bo[surf]); - brw->vs.surf_bo[surf] = brw_search_cache(&brw->cache, BRW_SS_SURFACE, + brw->vs.surf_bo[surf] = brw_search_cache(&brw->surface_cache, + BRW_SS_SURFACE, &key, sizeof(key), &key.bo, key.bo ? 1 : 0, NULL); @@ -569,10 +569,11 @@ brw_update_renderbuffer_surface(struct brw_context *brw, dri_bo_unreference(brw->wm.surf_bo[unit]); brw->wm.surf_bo[unit] = NULL; if (cached) - brw->wm.surf_bo[unit] = brw_search_cache(&brw->cache, BRW_SS_SURFACE, - &key, sizeof(key), - ®ion_bo, 1, - NULL); + brw->wm.surf_bo[unit] = brw_search_cache(&brw->surface_cache, + BRW_SS_SURFACE, + &key, sizeof(key), + ®ion_bo, 1, + NULL); if (brw->wm.surf_bo[unit] == NULL) { struct brw_surface_state surf; @@ -598,7 +599,8 @@ brw_update_renderbuffer_surface(struct brw_context *brw, surf.ss0.writedisable_alpha = !key.color_mask[3]; /* Key size will never match key size for textures, so we're safe. */ - brw->wm.surf_bo[unit] = brw_upload_cache(&brw->cache, BRW_SS_SURFACE, + brw->wm.surf_bo[unit] = brw_upload_cache(&brw->surface_cache, + BRW_SS_SURFACE, &key, sizeof(key), ®ion_bo, 1, &surf, sizeof(surf), @@ -630,7 +632,7 @@ brw_wm_get_binding_table(struct brw_context *brw) assert(brw->wm.nr_surfaces <= BRW_WM_MAX_SURF); - bind_bo = brw_search_cache(&brw->cache, BRW_SS_SURF_BIND, + bind_bo = brw_search_cache(&brw->surface_cache, BRW_SS_SURF_BIND, NULL, 0, brw->wm.surf_bo, brw->wm.nr_surfaces, NULL); @@ -646,7 +648,7 @@ brw_wm_get_binding_table(struct brw_context *brw) else data[i] = 0; - bind_bo = brw_upload_cache( &brw->cache, BRW_SS_SURF_BIND, + bind_bo = brw_upload_cache( &brw->surface_cache, BRW_SS_SURF_BIND, NULL, 0, brw->wm.surf_bo, brw->wm.nr_surfaces, data, data_size, @@ -746,7 +748,7 @@ brw_vs_get_binding_table(struct brw_context *brw) assert(brw->vs.nr_surfaces <= BRW_VS_MAX_SURF); - bind_bo = brw_search_cache(&brw->cache, BRW_SS_SURF_BIND, + bind_bo = brw_search_cache(&brw->surface_cache, BRW_SS_SURF_BIND, NULL, 0, brw->vs.surf_bo, brw->vs.nr_surfaces, NULL); @@ -762,7 +764,7 @@ brw_vs_get_binding_table(struct brw_context *brw) else data[i] = 0; - bind_bo = brw_upload_cache( &brw->cache, BRW_SS_SURF_BIND, + bind_bo = brw_upload_cache( &brw->surface_cache, BRW_SS_SURF_BIND, NULL, 0, brw->vs.surf_bo, brw->vs.nr_surfaces, data, data_size, @@ -787,8 +789,7 @@ brw_vs_get_binding_table(struct brw_context *brw) /** - * Vertex shader surfaces. Just constant buffer for now. Could add vertex - * shader textures in the future. + * Vertex shader surfaces (constant buffer). */ static void prepare_vs_surfaces(struct brw_context *brw ) { @@ -824,8 +825,12 @@ prepare_surfaces(struct brw_context *brw) const struct brw_tracked_state brw_wm_surfaces = { .dirty = { - .mesa = _NEW_COLOR | _NEW_TEXTURE | _NEW_BUFFERS | _NEW_PROGRAM, - .brw = BRW_NEW_CONTEXT, + .mesa = (_NEW_COLOR | + _NEW_TEXTURE | + _NEW_BUFFERS | + _NEW_PROGRAM | + _NEW_PROGRAM_CONSTANTS), + .brw = (BRW_NEW_CONTEXT), .cache = 0 }, .prepare = prepare_surfaces, diff --git a/src/mesa/drivers/dri/intel/intel_buffers.c b/src/mesa/drivers/dri/intel/intel_buffers.c index ecac5bf020..b86cafea24 100644 --- a/src/mesa/drivers/dri/intel/intel_buffers.c +++ b/src/mesa/drivers/dri/intel/intel_buffers.c @@ -326,7 +326,8 @@ intelDrawBuffer(GLcontext * ctx, GLenum mode) const GLboolean was_front_buffer_rendering = intel->is_front_buffer_rendering; - intel->is_front_buffer_rendering = (mode == GL_FRONT_LEFT); + intel->is_front_buffer_rendering = (mode == GL_FRONT_LEFT) + || (mode == GL_FRONT); /* If we weren't front-buffer rendering before but we are now, make sure * that the front-buffer has actually been allocated. diff --git a/src/mesa/drivers/dri/r200/r200_state.c b/src/mesa/drivers/dri/r200/r200_state.c index 2fcc87c0f5..28ba5f49bc 100644 --- a/src/mesa/drivers/dri/r200/r200_state.c +++ b/src/mesa/drivers/dri/r200/r200_state.c @@ -2484,7 +2484,7 @@ void r200ValidateState( GLcontext *ctx ) r200UpdateDrawBuffer(ctx); } - if (new_state & (_NEW_TEXTURE | _NEW_PROGRAM)) { + if (new_state & (_NEW_TEXTURE | _NEW_PROGRAM | _NEW_PROGRAM_CONSTANTS)) { r200UpdateTextureState( ctx ); new_state |= rmesa->NewGLState; /* may add TEXTURE_MATRIX */ r200UpdateLocalViewer( ctx ); @@ -2523,6 +2523,7 @@ void r200ValidateState( GLcontext *ctx ) } if (new_state & (_NEW_PROGRAM| + _NEW_PROGRAM_CONSTANTS | /* need to test for pretty much anything due to possible parameter bindings */ _NEW_MODELVIEW|_NEW_PROJECTION|_NEW_TRANSFORM| _NEW_LIGHT|_NEW_TEXTURE|_NEW_TEXTURE_MATRIX| diff --git a/src/mesa/drivers/dri/r300/r300_fragprog.c b/src/mesa/drivers/dri/r300/r300_fragprog.c index 873cde4414..2f45429cf2 100644 --- a/src/mesa/drivers/dri/r300/r300_fragprog.c +++ b/src/mesa/drivers/dri/r300/r300_fragprog.c @@ -470,7 +470,8 @@ void r300TranslateFragmentShader(r300ContextPtr r300, fp->translated = GL_TRUE; if (fp->error || (RADEON_DEBUG & DEBUG_PIXEL)) r300FragmentProgramDump(fp, &fp->code); - r300UpdateStateParameters(r300->radeon.glCtx, _NEW_PROGRAM); + r300UpdateStateParameters(r300->radeon.glCtx, _NEW_PROGRAM | + _NEW_PROGRAM_CONSTANTS); } update_params(r300, fp); diff --git a/src/mesa/drivers/dri/r300/r300_state.c b/src/mesa/drivers/dri/r300/r300_state.c index 79f0b3625c..b96ba4ed94 100644 --- a/src/mesa/drivers/dri/r300/r300_state.c +++ b/src/mesa/drivers/dri/r300/r300_state.c @@ -1109,7 +1109,7 @@ void r300UpdateStateParameters(GLcontext * ctx, GLuint new_state) struct gl_program_parameter_list *paramList; GLuint i; - if (!(new_state & (_NEW_BUFFERS | _NEW_PROGRAM))) + if (!(new_state & (_NEW_BUFFERS | _NEW_PROGRAM | _NEW_PROGRAM_CONSTANTS))) return; fp = (struct r300_fragment_program *)ctx->FragmentProgram._Current; @@ -2357,11 +2357,12 @@ void r300UpdateShaders(r300ContextPtr rmesa) hw_tcl_on = future_hw_tcl_on = 0; r300ResetHwState(rmesa); - r300UpdateStateParameters(ctx, _NEW_PROGRAM); + r300UpdateStateParameters(ctx, _NEW_PROGRAM | + _NEW_PROGRAM_CONSTANTS); return; } } - r300UpdateStateParameters(ctx, _NEW_PROGRAM); + r300UpdateStateParameters(ctx, _NEW_PROGRAM | _NEW_PROGRAM_CONSTANTS); } static const GLfloat *get_fragmentprogram_constant(GLcontext *ctx, diff --git a/src/mesa/drivers/dri/r300/r500_fragprog.c b/src/mesa/drivers/dri/r300/r500_fragprog.c index 292573de89..300559d0b4 100644 --- a/src/mesa/drivers/dri/r300/r500_fragprog.c +++ b/src/mesa/drivers/dri/r300/r500_fragprog.c @@ -501,7 +501,8 @@ void r500TranslateFragmentShader(r300ContextPtr r300, _mesa_reference_program(r300->radeon.glCtx, &compiler.program, 0); - r300UpdateStateParameters(r300->radeon.glCtx, _NEW_PROGRAM); + r300UpdateStateParameters(r300->radeon.glCtx, _NEW_PROGRAM | + _NEW_PROGRAM_CONSTANTS); if (RADEON_DEBUG & DEBUG_PIXEL) { if (fp->translated) { diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h index 30c7cca3b5..cf71077728 100644 --- a/src/mesa/main/mtypes.h +++ b/src/mesa/main/mtypes.h @@ -1028,7 +1028,7 @@ struct gl_stencil_attrib /** * An index for each type of texture object. These correspond to the GL - * target target enums, such as GL_TEXTURE_2D, GL_TEXTURE_CUBE_MAP, etc. + * texture target enums, such as GL_TEXTURE_2D, GL_TEXTURE_CUBE_MAP, etc. * Note: the order is from highest priority to lowest priority. */ typedef enum @@ -2050,6 +2050,9 @@ struct gl_shared_state /** Default texture objects (shared by all texture units) */ struct gl_texture_object *DefaultTex[NUM_TEXTURE_TARGETS]; + /** Fallback texture used when a bound texture is incomplete */ + struct gl_texture_object *FallbackTex; + /** * \name Thread safety and statechange notification for texture * objects. diff --git a/src/mesa/main/texobj.c b/src/mesa/main/texobj.c index b63f747fe8..0024efc0e6 100644 --- a/src/mesa/main/texobj.c +++ b/src/mesa/main/texobj.c @@ -662,6 +662,59 @@ _mesa_test_texobj_completeness( const GLcontext *ctx, } } + +/** + * Return pointer to a default/fallback texture. + * The texture is a 2D 8x8 RGBA texture with all texels = (0,0,0,1). + * That's the value a sampler should get when sampling from an + * incomplete texture. + */ +struct gl_texture_object * +_mesa_get_fallback_texture(GLcontext *ctx) +{ + if (!ctx->Shared->FallbackTex) { + /* create fallback texture now */ + static GLubyte texels[8 * 8][4]; + struct gl_texture_object *texObj; + struct gl_texture_image *texImage; + GLuint i; + + for (i = 0; i < 8 * 8; i++) { + texels[i][0] = + texels[i][1] = + texels[i][2] = 0x0; + texels[i][3] = 0xff; + } + + /* create texture object */ + texObj = ctx->Driver.NewTextureObject(ctx, 0, GL_TEXTURE_2D); + assert(texObj->RefCount == 1); + texObj->MinFilter = GL_NEAREST; + texObj->MagFilter = GL_NEAREST; + + /* create level[0] texture image */ + texImage = _mesa_get_tex_image(ctx, texObj, GL_TEXTURE_2D, 0); + + /* init the image fields */ + _mesa_init_teximage_fields(ctx, GL_TEXTURE_2D, texImage, + 8, 8, 1, 0, GL_RGBA); + + /* set image data */ + ctx->Driver.TexImage2D(ctx, GL_TEXTURE_2D, 0, GL_RGBA, + 8, 8, 0, + GL_RGBA, GL_UNSIGNED_BYTE, texels, + &ctx->DefaultPacking, texObj, texImage); + + _mesa_test_texobj_completeness(ctx, texObj); + assert(texObj->_Complete); + + ctx->Shared->FallbackTex = texObj; + } + return ctx->Shared->FallbackTex; +} + + + /*@}*/ diff --git a/src/mesa/main/texobj.h b/src/mesa/main/texobj.h index d5374c5d6c..2599c0816a 100644 --- a/src/mesa/main/texobj.h +++ b/src/mesa/main/texobj.h @@ -65,6 +65,9 @@ extern void _mesa_test_texobj_completeness( const GLcontext *ctx, struct gl_texture_object *obj ); +extern struct gl_texture_object * +_mesa_get_fallback_texture(GLcontext *ctx); + extern void _mesa_unlock_context_textures( GLcontext *ctx ); diff --git a/src/mesa/main/texstate.c b/src/mesa/main/texstate.c index 73f8a5339e..32d55ba8d5 100644 --- a/src/mesa/main/texstate.c +++ b/src/mesa/main/texstate.c @@ -561,8 +561,13 @@ update_texture_state( GLcontext *ctx ) } if (!texUnit->_ReallyEnabled) { - _mesa_reference_texobj(&texUnit->_Current, NULL); - continue; + /* If we get here it means the shader (or fixed-function state) + * is expecting a texture object, but there isn't one (or it's + * incomplete). Use the fallback texture. + */ + struct gl_texture_object *texObj = _mesa_get_fallback_texture(ctx); + texUnit->_ReallyEnabled = 1 << TEXTURE_2D_INDEX; + _mesa_reference_texobj(&texUnit->_Current, texObj); } /* if we get here, we know this texture unit is enabled */ diff --git a/src/mesa/main/version.h b/src/mesa/main/version.h index ba027465d4..d4d3dd1a94 100644 --- a/src/mesa/main/version.h +++ b/src/mesa/main/version.h @@ -1,8 +1,9 @@ /* * Mesa 3-D graphics library - * Version: 7.5 + * Version: 7.6 * * Copyright (C) 1999-2008 Brian Paul All Rights Reserved. + * Copyright (C) 2009 VMware, Inc. All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), @@ -29,9 +30,9 @@ /* Mesa version */ #define MESA_MAJOR 7 -#define MESA_MINOR 5 +#define MESA_MINOR 6 #define MESA_PATCH 0 -#define MESA_VERSION_STRING "7.5" +#define MESA_VERSION_STRING "7.6-devel" /* To make version comparison easy */ #define MESA_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c)) diff --git a/src/mesa/shader/arbprogram.c b/src/mesa/shader/arbprogram.c index 981565ab8f..317d623a22 100644 --- a/src/mesa/shader/arbprogram.c +++ b/src/mesa/shader/arbprogram.c @@ -74,8 +74,6 @@ _mesa_BindProgram(GLenum target, GLuint id) GET_CURRENT_CONTEXT(ctx); ASSERT_OUTSIDE_BEGIN_END(ctx); - FLUSH_VERTICES(ctx, _NEW_PROGRAM); - /* Error-check target and get curProg */ if ((target == GL_VERTEX_PROGRAM_ARB) && /* == GL_VERTEX_PROGRAM_NV */ (ctx->Extensions.NV_vertex_program || @@ -132,6 +130,9 @@ _mesa_BindProgram(GLenum target, GLuint id) return; } + /* signal new program (and its new constants) */ + FLUSH_VERTICES(ctx, _NEW_PROGRAM | _NEW_PROGRAM_CONSTANTS); + /* bind newProg */ if (target == GL_VERTEX_PROGRAM_ARB) { /* == GL_VERTEX_PROGRAM_NV */ _mesa_reference_vertprog(ctx, &ctx->VertexProgram.Current, @@ -489,7 +490,7 @@ _mesa_ProgramEnvParameter4fARB(GLenum target, GLuint index, GET_CURRENT_CONTEXT(ctx); ASSERT_OUTSIDE_BEGIN_END(ctx); - FLUSH_VERTICES(ctx, _NEW_PROGRAM | _NEW_PROGRAM_CONSTANTS); + FLUSH_VERTICES(ctx, _NEW_PROGRAM_CONSTANTS); if (target == GL_FRAGMENT_PROGRAM_ARB && ctx->Extensions.ARB_fragment_program) { @@ -537,7 +538,7 @@ _mesa_ProgramEnvParameters4fvEXT(GLenum target, GLuint index, GLsizei count, GLfloat * dest; ASSERT_OUTSIDE_BEGIN_END(ctx); - FLUSH_VERTICES(ctx, _NEW_PROGRAM | _NEW_PROGRAM_CONSTANTS); + FLUSH_VERTICES(ctx, _NEW_PROGRAM_CONSTANTS); if (count <= 0) { _mesa_error(ctx, GL_INVALID_VALUE, "glProgramEnvParameters4fv(count)"); @@ -631,7 +632,7 @@ _mesa_ProgramLocalParameter4fARB(GLenum target, GLuint index, struct gl_program *prog; ASSERT_OUTSIDE_BEGIN_END(ctx); - FLUSH_VERTICES(ctx, _NEW_PROGRAM | _NEW_PROGRAM_CONSTANTS); + FLUSH_VERTICES(ctx, _NEW_PROGRAM_CONSTANTS); if ((target == GL_FRAGMENT_PROGRAM_NV && ctx->Extensions.NV_fragment_program) || @@ -685,7 +686,7 @@ _mesa_ProgramLocalParameters4fvEXT(GLenum target, GLuint index, GLsizei count, GLint i; ASSERT_OUTSIDE_BEGIN_END(ctx); - FLUSH_VERTICES(ctx, _NEW_PROGRAM | _NEW_PROGRAM_CONSTANTS); + FLUSH_VERTICES(ctx, _NEW_PROGRAM_CONSTANTS); if (count <= 0) { _mesa_error(ctx, GL_INVALID_VALUE, "glProgramLocalParameters4fv(count)"); diff --git a/src/mesa/shader/nvprogram.c b/src/mesa/shader/nvprogram.c index 5142c2a4a5..8ba521182b 100644 --- a/src/mesa/shader/nvprogram.c +++ b/src/mesa/shader/nvprogram.c @@ -706,7 +706,7 @@ _mesa_ProgramNamedParameter4fNV(GLuint id, GLsizei len, const GLubyte *name, GET_CURRENT_CONTEXT(ctx); ASSERT_OUTSIDE_BEGIN_END(ctx); - FLUSH_VERTICES(ctx, _NEW_PROGRAM | _NEW_PROGRAM_CONSTANTS); + FLUSH_VERTICES(ctx, _NEW_PROGRAM_CONSTANTS); prog = _mesa_lookup_program(ctx, id); if (!prog || prog->Target != GL_FRAGMENT_PROGRAM_NV) { diff --git a/src/mesa/shader/prog_optimize.c b/src/mesa/shader/prog_optimize.c index 6ba2e76ff9..a02f5efa41 100644 --- a/src/mesa/shader/prog_optimize.c +++ b/src/mesa/shader/prog_optimize.c @@ -547,15 +547,13 @@ update_interval(GLint intBegin[], GLint intEnd[], GLuint index, GLuint ic) /** - * Find the live intervals for each temporary register in the program. - * For register R, the interval [A,B] indicates that R is referenced - * from instruction A through instruction B. - * Special consideration is needed for loops and subroutines. - * \return GL_TRUE if success, GL_FALSE if we cannot proceed for some reason + * Find first/last instruction that references each temporary register. */ -static GLboolean -find_live_intervals(struct gl_program *prog, - struct interval_list *liveIntervals) +GLboolean +_mesa_find_temp_intervals(const struct prog_instruction *instructions, + GLuint numInstructions, + GLint intBegin[MAX_PROGRAM_TEMPS], + GLint intEnd[MAX_PROGRAM_TEMPS]) { struct loop_info { @@ -563,26 +561,15 @@ find_live_intervals(struct gl_program *prog, }; struct loop_info loopStack[MAX_LOOP_NESTING]; GLuint loopStackDepth = 0; - GLint intBegin[MAX_PROGRAM_TEMPS], intEnd[MAX_PROGRAM_TEMPS]; GLuint i; - /* - * Note: we'll return GL_FALSE below if we find relative indexing - * into the TEMP register file. We can't handle that yet. - * We also give up on subroutines for now. - */ - - if (dbg) { - _mesa_printf("Optimize: Begin find intervals\n"); - } - for (i = 0; i < MAX_PROGRAM_TEMPS; i++){ intBegin[i] = intEnd[i] = -1; } /* Scan instructions looking for temporary registers */ - for (i = 0; i < prog->NumInstructions; i++) { - const struct prog_instruction *inst = prog->Instructions + i; + for (i = 0; i < numInstructions; i++) { + const struct prog_instruction *inst = instructions + i; if (inst->Opcode == OPCODE_BGNLOOP) { loopStack[loopStackDepth].Start = i; loopStack[loopStackDepth].End = inst->BranchTarget; @@ -595,7 +582,7 @@ find_live_intervals(struct gl_program *prog, return GL_FALSE; } else { - const GLuint numSrc = _mesa_num_inst_src_regs(inst->Opcode); + const GLuint numSrc = 3;/*_mesa_num_inst_src_regs(inst->Opcode);*/ GLuint j; for (j = 0; j < numSrc; j++) { if (inst->SrcReg[j].File == PROGRAM_TEMPORARY) { @@ -624,6 +611,39 @@ find_live_intervals(struct gl_program *prog, } } + return GL_TRUE; +} + + +/** + * Find the live intervals for each temporary register in the program. + * For register R, the interval [A,B] indicates that R is referenced + * from instruction A through instruction B. + * Special consideration is needed for loops and subroutines. + * \return GL_TRUE if success, GL_FALSE if we cannot proceed for some reason + */ +static GLboolean +find_live_intervals(struct gl_program *prog, + struct interval_list *liveIntervals) +{ + GLint intBegin[MAX_PROGRAM_TEMPS], intEnd[MAX_PROGRAM_TEMPS]; + GLuint i; + + /* + * Note: we'll return GL_FALSE below if we find relative indexing + * into the TEMP register file. We can't handle that yet. + * We also give up on subroutines for now. + */ + + if (dbg) { + _mesa_printf("Optimize: Begin find intervals\n"); + } + + /* build intermediate arrays */ + if (!_mesa_find_temp_intervals(prog->Instructions, prog->NumInstructions, + intBegin, intEnd)) + return GL_FALSE; + /* Build live intervals list from intermediate arrays */ liveIntervals->Num = 0; for (i = 0; i < MAX_PROGRAM_TEMPS; i++) { @@ -794,6 +814,96 @@ _mesa_reallocate_registers(struct gl_program *prog) + + + + +#if 0 +static void +_mesa_find_temporary_live_intervals(struct gl_program *prog, + GLint firstInst[MAX_PROGRAM_TEMPS], + GLint lastInst[MAX_PROGRAM_TEMPS]) +{ + GLuint i; + + for (i = 0; i < MAX_PROGRAM_TEMPS; i++) { + firstInst[i] = lastInst[i] = -1; + } + + struct loop_info loopStack[MAX_LOOP_NESTING]; + GLuint loopStackDepth = 0; + GLint intBegin[MAX_PROGRAM_TEMPS], intEnd[MAX_PROGRAM_TEMPS]; + GLuint i; + + /* + * Note: we'll return GL_FALSE below if we find relative indexing + * into the TEMP register file. We can't handle that yet. + * We also give up on subroutines for now. + */ + + if (dbg) { + _mesa_printf("Optimize: Begin find intervals\n"); + } + + for (i = 0; i < MAX_PROGRAM_TEMPS; i++){ + intBegin[i] = intEnd[i] = -1; + } + + /* Scan instructions looking for temporary registers */ + for (i = 0; i < prog->NumInstructions; i++) { + const struct prog_instruction *inst = prog->Instructions + i; + if (inst->Opcode == OPCODE_BGNLOOP) { + loopStack[loopStackDepth].Start = i; + loopStack[loopStackDepth].End = inst->BranchTarget; + loopStackDepth++; + } + else if (inst->Opcode == OPCODE_ENDLOOP) { + loopStackDepth--; + } + else if (inst->Opcode == OPCODE_CAL) { + return GL_FALSE; + } + else { + const GLuint numSrc = _mesa_num_inst_src_regs(inst->Opcode); + GLuint j; + for (j = 0; j < numSrc; j++) { + if (inst->SrcReg[j].File == PROGRAM_TEMPORARY) { + const GLuint index = inst->SrcReg[j].Index; + if (inst->SrcReg[j].RelAddr) + return GL_FALSE; + update_interval(intBegin, intEnd, index, i); + if (loopStackDepth > 0) { + /* extend temp register's interval to end of loop */ + GLuint loopEnd = loopStack[loopStackDepth - 1].End; + update_interval(intBegin, intEnd, index, loopEnd); + } + } + } + if (inst->DstReg.File == PROGRAM_TEMPORARY) { + const GLuint index = inst->DstReg.Index; + if (inst->DstReg.RelAddr) + return GL_FALSE; + update_interval(intBegin, intEnd, index, i); + if (loopStackDepth > 0) { + /* extend temp register's interval to end of loop */ + GLuint loopEnd = loopStack[loopStackDepth - 1].End; + update_interval(intBegin, intEnd, index, loopEnd); + } + } + } + } + + + + +#endif + + + + + + + /** * Apply optimizations to the given program to eliminate unnecessary * instructions, temp regs, etc. diff --git a/src/mesa/shader/prog_optimize.h b/src/mesa/shader/prog_optimize.h index d102cfd9fc..43894a2723 100644 --- a/src/mesa/shader/prog_optimize.h +++ b/src/mesa/shader/prog_optimize.h @@ -25,7 +25,19 @@ #ifndef PROG_OPT_H #define PROG_OPT_H + +#include "main/config.h" + + struct gl_program; +struct prog_instruction; + + +extern GLboolean +_mesa_find_temp_intervals(const struct prog_instruction *instructions, + GLuint numInstructions, + GLint intBegin[MAX_PROGRAM_TEMPS], + GLint intEnd[MAX_PROGRAM_TEMPS]); extern void _mesa_optimize_program(GLcontext *ctx, struct gl_program *program); diff --git a/src/mesa/shader/shader_api.c b/src/mesa/shader/shader_api.c index 644cd39185..8f414a0889 100644 --- a/src/mesa/shader/shader_api.c +++ b/src/mesa/shader/shader_api.c @@ -1487,7 +1487,7 @@ _mesa_use_program(GLcontext *ctx, GLuint program) return; } - FLUSH_VERTICES(ctx, _NEW_PROGRAM); + FLUSH_VERTICES(ctx, _NEW_PROGRAM | _NEW_PROGRAM_CONSTANTS); if (program) { shProg = _mesa_lookup_shader_program_err(ctx, program, "glUseProgram"); @@ -1789,7 +1789,7 @@ _mesa_uniform(GLcontext *ctx, GLint location, GLsizei count, return; } - FLUSH_VERTICES(ctx, _NEW_PROGRAM | _NEW_PROGRAM_CONSTANTS); + FLUSH_VERTICES(ctx, _NEW_PROGRAM_CONSTANTS); uniform = &shProg->Uniforms->Uniforms[location]; @@ -1929,7 +1929,7 @@ _mesa_uniform_matrix(GLcontext *ctx, GLint cols, GLint rows, return; } - FLUSH_VERTICES(ctx, _NEW_PROGRAM | _NEW_PROGRAM_CONSTANTS); + FLUSH_VERTICES(ctx, _NEW_PROGRAM_CONSTANTS); uniform = &shProg->Uniforms->Uniforms[location]; diff --git a/src/mesa/state_tracker/st_atom_framebuffer.c b/src/mesa/state_tracker/st_atom_framebuffer.c index df0f0931ea..f23186c73d 100644 --- a/src/mesa/state_tracker/st_atom_framebuffer.c +++ b/src/mesa/state_tracker/st_atom_framebuffer.c @@ -123,6 +123,7 @@ update_framebuffer_state( struct st_context *st ) framebuffer->cbufs[framebuffer->nr_cbufs] = strb->surface; framebuffer->nr_cbufs++; } + strb->defined = GL_TRUE; /* we'll be drawing something */ } } diff --git a/src/mesa/state_tracker/st_cb_fbo.c b/src/mesa/state_tracker/st_cb_fbo.c index e003b6db5c..c249f3b357 100644 --- a/src/mesa/state_tracker/st_cb_fbo.c +++ b/src/mesa/state_tracker/st_cb_fbo.c @@ -125,6 +125,8 @@ st_renderbuffer_alloc_storage(GLcontext * ctx, struct gl_renderbuffer *rb, strb->Base.Height = height; init_renderbuffer_bits(strb, template.format); + strb->defined = GL_FALSE; /* undefined contents now */ + /* Probably need dedicated flags for surface usage too: */ surface_usage = (PIPE_BUFFER_USAGE_GPU_READ | @@ -462,6 +464,134 @@ st_validate_framebuffer(GLcontext *ctx, struct gl_framebuffer *fb) } +/** + * Copy back color buffer to front color buffer. + */ +static void +copy_back_to_front(struct st_context *st, + struct gl_framebuffer *fb, + gl_buffer_index frontIndex, + gl_buffer_index backIndex) + +{ + struct st_framebuffer *stfb = (struct st_framebuffer *) fb; + struct pipe_surface *surf_front, *surf_back; + + (void) st_get_framebuffer_surface(stfb, frontIndex, &surf_front); + (void) st_get_framebuffer_surface(stfb, backIndex, &surf_back); + + if (surf_front && surf_back) { + st->pipe->surface_copy(st->pipe, + surf_front, 0, 0, /* dest */ + surf_back, 0, 0, /* src */ + fb->Width, fb->Height); + } +} + + +/** + * Check if we're drawing into, or read from, a front color buffer. If the + * front buffer is missing, create it now. + * + * The back color buffer must exist since we'll use its format/samples info + * for creating the front buffer. + * + * \param frontIndex either BUFFER_FRONT_LEFT or BUFFER_FRONT_RIGHT + * \param backIndex either BUFFER_BACK_LEFT or BUFFER_BACK_RIGHT + */ +static void +check_create_front_buffer(GLcontext *ctx, struct gl_framebuffer *fb, + gl_buffer_index frontIndex, + gl_buffer_index backIndex) +{ + if (fb->Attachment[frontIndex].Renderbuffer == NULL) { + GLboolean create = GL_FALSE; + + /* check if drawing to or reading from front buffer */ + if (fb->_ColorReadBufferIndex == frontIndex) { + create = GL_TRUE; + } + else { + GLuint b; + for (b = 0; b < fb->_NumColorDrawBuffers; b++) { + if (fb->_ColorDrawBufferIndexes[b] == frontIndex) { + create = GL_TRUE; + break; + } + } + } + + if (create) { + struct st_renderbuffer *back; + struct gl_renderbuffer *front; + enum pipe_format colorFormat; + uint samples; + + if (0) + _mesa_debug(ctx, "Allocate new front buffer\n"); + + /* get back renderbuffer info */ + back = st_renderbuffer(fb->Attachment[backIndex].Renderbuffer); + colorFormat = back->format; + samples = back->Base.NumSamples; + + /* create front renderbuffer */ + front = st_new_renderbuffer_fb(colorFormat, samples); + _mesa_add_renderbuffer(fb, frontIndex, front); + + /* alloc texture/surface for new front buffer */ + front->AllocStorage(ctx, front, front->InternalFormat, + fb->Width, fb->Height); + + /* initialize the front color buffer contents by copying + * the back buffer. + */ + copy_back_to_front(ctx->st, fb, frontIndex, backIndex); + } + } +} + + +/** + * If front left/right color buffers are missing, create them now. + */ +static void +check_create_front_buffers(GLcontext *ctx, struct gl_framebuffer *fb) +{ + /* check if we need to create the front left buffer now */ + check_create_front_buffer(ctx, fb, BUFFER_FRONT_LEFT, BUFFER_BACK_LEFT); + + if (fb->Visual.stereoMode) { + check_create_front_buffer(ctx, fb, BUFFER_FRONT_RIGHT, BUFFER_BACK_RIGHT); + } + + st_invalidate_state(ctx, _NEW_BUFFERS); +} + + +/** + * Called via glDrawBuffer. + */ +static void +st_DrawBuffers(GLcontext *ctx, GLsizei count, const GLenum *buffers) +{ + (void) count; + (void) buffers; + check_create_front_buffers(ctx, ctx->DrawBuffer); +} + + +/** + * Called via glReadBuffer. + */ +static void +st_ReadBuffer(GLcontext *ctx, GLenum buffer) +{ + (void) buffer; + check_create_front_buffers(ctx, ctx->ReadBuffer); +} + + void st_init_fbo_functions(struct dd_function_table *functions) { functions->NewFramebuffer = st_new_framebuffer; @@ -474,4 +604,7 @@ void st_init_fbo_functions(struct dd_function_table *functions) /* no longer needed by core Mesa, drivers handle resizes... functions->ResizeBuffers = st_resize_buffers; */ + + functions->DrawBuffers = st_DrawBuffers; + functions->ReadBuffer = st_ReadBuffer; } diff --git a/src/mesa/state_tracker/st_cb_fbo.h b/src/mesa/state_tracker/st_cb_fbo.h index 44fa9fe9a4..fd77d0a95b 100644 --- a/src/mesa/state_tracker/st_cb_fbo.h +++ b/src/mesa/state_tracker/st_cb_fbo.h @@ -44,6 +44,7 @@ struct st_renderbuffer struct pipe_texture *texture; struct pipe_surface *surface; /* temporary view into texture */ enum pipe_format format; /** preferred format, or PIPE_FORMAT_NONE */ + GLboolean defined; /**< defined contents? */ struct st_texture_object *rtt; /**< GL render to texture's texture */ int rtt_level, rtt_face, rtt_slice; diff --git a/src/mesa/state_tracker/st_cb_flush.c b/src/mesa/state_tracker/st_cb_flush.c index fbaffd154f..8ceeeabcd3 100644 --- a/src/mesa/state_tracker/st_cb_flush.c +++ b/src/mesa/state_tracker/st_cb_flush.c @@ -47,10 +47,19 @@ #include "util/u_blit.h" +/** Check if we have a front color buffer and if it's been drawn to. */ static INLINE GLboolean is_front_buffer_dirty(struct st_context *st) { - return st->frontbuffer_status == FRONT_STATUS_DIRTY; + if (st->frontbuffer_status == FRONT_STATUS_DIRTY) { + return GL_TRUE; + } + else { + GLframebuffer *fb = st->ctx->DrawBuffer; + struct st_renderbuffer *strb + = st_renderbuffer(fb->Attachment[BUFFER_FRONT_LEFT].Renderbuffer); + return strb && strb->defined; + } } diff --git a/src/mesa/state_tracker/st_context.h b/src/mesa/state_tracker/st_context.h index 6ffed56d9a..18adb35e87 100644 --- a/src/mesa/state_tracker/st_context.h +++ b/src/mesa/state_tracker/st_context.h @@ -45,6 +45,7 @@ struct blit_state; struct bitmap_cache; +/** XXX we'd like to get rid of these */ #define FRONT_STATUS_UNDEFINED 0 #define FRONT_STATUS_DIRTY 1 #define FRONT_STATUS_COPY_OF_BACK 2 @@ -111,7 +112,7 @@ struct st_context struct gl_fragment_program *fragment_program; } cb; - GLuint frontbuffer_status; /**< one of FRONT_STATUS_ */ + GLuint frontbuffer_status; /**< one of FRONT_STATUS_ (XXX to be removed) */ char vendor[100]; char renderer[100]; diff --git a/src/mesa/state_tracker/st_framebuffer.c b/src/mesa/state_tracker/st_framebuffer.c index daaad65cca..ef800291cc 100644 --- a/src/mesa/state_tracker/st_framebuffer.c +++ b/src/mesa/state_tracker/st_framebuffer.c @@ -58,19 +58,19 @@ st_create_framebuffer( const __GLcontextModes *visual, _mesa_initialize_framebuffer(&stfb->Base, visual); - { - /* fake frontbuffer */ - /* XXX allocation should only happen in the unusual case - it's actually needed */ + if (visual->doubleBufferMode) { struct gl_renderbuffer *rb = st_new_renderbuffer_fb(colorFormat, samples); - _mesa_add_renderbuffer(&stfb->Base, BUFFER_FRONT_LEFT, rb); + _mesa_add_renderbuffer(&stfb->Base, BUFFER_BACK_LEFT, rb); } - - if (visual->doubleBufferMode) { + else { + /* Only allocate front buffer right now if we're single buffered. + * If double-buffered, allocate front buffer on demand later. + * See check_create_front_buffers(). + */ struct gl_renderbuffer *rb = st_new_renderbuffer_fb(colorFormat, samples); - _mesa_add_renderbuffer(&stfb->Base, BUFFER_BACK_LEFT, rb); + _mesa_add_renderbuffer(&stfb->Base, BUFFER_FRONT_LEFT, rb); } if (depthFormat == stencilFormat && depthFormat != PIPE_FORMAT_NONE) { @@ -293,6 +293,115 @@ st_notify_swapbuffers(struct st_framebuffer *stfb) } +/** + * Swap the front/back color buffers. Exchange the front/back pointers + * and update some derived state. + * No need to call st_notify_swapbuffers() first. + * + * For a single-buffered framebuffer, no swap occurs, but we still return + * the pointer(s) to the front color buffer(s). + * + * \param front_left returns pointer to front-left renderbuffer after swap + * \param front_right returns pointer to front-right renderbuffer after swap + */ +void +st_swapbuffers(struct st_framebuffer *stfb, + struct pipe_surface **front_left, + struct pipe_surface **front_right) +{ + struct gl_framebuffer *fb = &stfb->Base; + + GET_CURRENT_CONTEXT(ctx); + + if (ctx && ctx->DrawBuffer == &stfb->Base) { + st_flush( ctx->st, + PIPE_FLUSH_RENDER_CACHE | + PIPE_FLUSH_SWAPBUFFERS | + PIPE_FLUSH_FRAME, + NULL ); + } + + if (!fb->Visual.doubleBufferMode) { + /* single buffer mode - return pointers to front surfaces */ + if (front_left) { + struct st_renderbuffer *strb = + st_renderbuffer(fb->Attachment[BUFFER_FRONT_LEFT].Renderbuffer); + *front_left = strb->surface; + } + if (front_right) { + struct st_renderbuffer *strb = + st_renderbuffer(fb->Attachment[BUFFER_FRONT_RIGHT].Renderbuffer); + *front_right = strb ? strb->surface : NULL; + } + return; + } + + /* swap left buffers */ + if (fb->Attachment[BUFFER_FRONT_LEFT].Renderbuffer && + fb->Attachment[BUFFER_BACK_LEFT].Renderbuffer) { + struct gl_renderbuffer *rbTemp; + rbTemp = fb->Attachment[BUFFER_FRONT_LEFT].Renderbuffer; + fb->Attachment[BUFFER_FRONT_LEFT].Renderbuffer = + fb->Attachment[BUFFER_BACK_LEFT].Renderbuffer; + fb->Attachment[BUFFER_BACK_LEFT].Renderbuffer = rbTemp; + if (front_left) { + struct st_renderbuffer *strb = + st_renderbuffer(fb->Attachment[BUFFER_FRONT_LEFT].Renderbuffer); + *front_left = strb->surface; + } + /* mark back buffer contents as undefined */ + { + struct st_renderbuffer *back = + st_renderbuffer(fb->Attachment[BUFFER_BACK_LEFT].Renderbuffer); + back->defined = GL_FALSE; + } + } + else { + /* no front buffer, display the back buffer */ + if (front_left) { + struct st_renderbuffer *strb = + st_renderbuffer(fb->Attachment[BUFFER_BACK_LEFT].Renderbuffer); + *front_left = strb->surface; + } + } + + /* swap right buffers (for stereo) */ + if (fb->Attachment[BUFFER_FRONT_RIGHT].Renderbuffer && + fb->Attachment[BUFFER_BACK_RIGHT].Renderbuffer) { + struct gl_renderbuffer *rbTemp; + rbTemp = fb->Attachment[BUFFER_FRONT_RIGHT].Renderbuffer; + fb->Attachment[BUFFER_FRONT_RIGHT].Renderbuffer = + fb->Attachment[BUFFER_BACK_RIGHT].Renderbuffer; + fb->Attachment[BUFFER_BACK_RIGHT].Renderbuffer = rbTemp; + if (front_right) { + struct st_renderbuffer *strb = + st_renderbuffer(fb->Attachment[BUFFER_FRONT_RIGHT].Renderbuffer); + *front_right = strb->surface; + } + /* mark back buffer contents as undefined */ + { + struct st_renderbuffer *back = + st_renderbuffer(fb->Attachment[BUFFER_BACK_RIGHT].Renderbuffer); + back->defined = GL_FALSE; + } + } + else { + /* no front right buffer, display back right buffer (if exists) */ + if (front_right) { + struct st_renderbuffer *strb = + st_renderbuffer(fb->Attachment[BUFFER_BACK_RIGHT].Renderbuffer); + *front_right = strb ? strb->surface : NULL; + } + } + + /* Update the _ColorDrawBuffers[] array and _ColorReadBuffer pointer */ + _mesa_update_framebuffer(ctx); + + /* Make sure we draw into the new back surface */ + st_invalidate_state(ctx, _NEW_BUFFERS); +} + + void *st_framebuffer_private( struct st_framebuffer *stfb ) { return stfb->Private; diff --git a/src/mesa/state_tracker/st_public.h b/src/mesa/state_tracker/st_public.h index 290b8a974e..174fbc6394 100644 --- a/src/mesa/state_tracker/st_public.h +++ b/src/mesa/state_tracker/st_public.h @@ -103,6 +103,10 @@ void st_finish( struct st_context *st ); void st_notify_swapbuffers(struct st_framebuffer *stfb); +void st_swapbuffers(struct st_framebuffer *stfb, + struct pipe_surface **front_left, + struct pipe_surface **front_right); + int st_set_teximage(struct pipe_texture *pt, int target); /** Redirect rendering into stfb's surface to a texture image */ |