diff options
Diffstat (limited to 'src/gallium/drivers/i965/brw_wm_constant_buffer.c')
| -rw-r--r-- | src/gallium/drivers/i965/brw_wm_constant_buffer.c | 165 |
1 files changed, 0 insertions, 165 deletions
diff --git a/src/gallium/drivers/i965/brw_wm_constant_buffer.c b/src/gallium/drivers/i965/brw_wm_constant_buffer.c deleted file mode 100644 index df5cd0398c9..00000000000 --- a/src/gallium/drivers/i965/brw_wm_constant_buffer.c +++ /dev/null @@ -1,165 +0,0 @@ -/* XXX: Constant buffers disabled - */ - - -/** - * Create the constant buffer surface. Vertex/fragment shader constants will be - * read from this buffer with Data Port Read instructions/messages. - */ -enum pipe_error -brw_create_constant_surface( struct brw_context *brw, - struct brw_surface_key *key, - struct brw_winsys_buffer **bo_out ) -{ - const GLint w = key->width - 1; - struct brw_winsys_buffer *bo; - struct brw_winsys_reloc reloc[1]; - enum pipe_error ret; - - /* Emit relocation to surface contents */ - make_reloc(&reloc[0], - BRW_USAGE_SAMPLER, - 0, - offsetof(struct brw_surface_state, ss1), - key->bo); - - - memset(&surf, 0, sizeof(surf)); - - surf.ss0.mipmap_layout_mode = BRW_SURFACE_MIPMAPLAYOUT_BELOW; - surf.ss0.surface_type = BRW_SURFACE_BUFFER; - surf.ss0.surface_format = BRW_SURFACEFORMAT_R32G32B32A32_FLOAT; - - surf.ss1.base_addr = 0; /* reloc */ - - surf.ss2.width = w & 0x7f; /* bits 6:0 of size or width */ - surf.ss2.height = (w >> 7) & 0x1fff; /* bits 19:7 of size or width */ - surf.ss3.depth = (w >> 20) & 0x7f; /* bits 26:20 of size or width */ - surf.ss3.pitch = (key->pitch * key->cpp) - 1; /* ignored?? */ - brw_set_surface_tiling(&surf, key->tiling); /* tiling now allowed */ - - ret = brw_upload_cache(&brw->surface_cache, BRW_SS_SURFACE, - key, sizeof(*key), - reloc, Elements(reloc), - &surf, sizeof(surf), - NULL, NULL, - &bo_out); - if (ret) - return ret; - - return PIPE_OK; -} - - - -/** - * Update the surface state for a WM constant buffer. - * The constant buffer will be (re)allocated here if needed. - */ -static enum pipe_error -brw_update_wm_constant_surface( struct brw_context *brw, - GLuint surf) -{ - struct brw_surface_key key; - struct brw_fragment_shader *fp = brw->curr.fragment_shader; - struct pipe_resource *cbuf = brw->curr.fragment_constants; - int pitch = cbuf->size / (4 * sizeof(float)); - enum pipe_error ret; - - /* If we're in this state update atom, we need to update WM constants, so - * free the old buffer and create a new one for the new contents. - */ - ret = brw_wm_update_constant_buffer(brw, &fp->const_buffer); - if (ret) - return ret; - - /* If there's no constant buffer, then no surface BO is needed to point at - * it. - */ - if (cbuf == NULL) { - bo_reference(&brw->wm.surf_bo[surf], NULL); - return PIPE_OK; - } - - memset(&key, 0, sizeof(key)); - - key.ss0.mipmap_layout_mode = BRW_SURFACE_MIPMAPLAYOUT_BELOW; - key.ss0.surface_type = BRW_SURFACE_BUFFER; - key.ss0.surface_format = BRW_SURFACEFORMAT_R32G32B32A32_FLOAT; - - key.bo = brw_buffer(cbuf)->bo; - - key.ss2.width = (pitch-1) & 0x7f; /* bits 6:0 of size or width */ - key.ss2.height = ((pitch-1) >> 7) & 0x1fff; /* bits 19:7 of size or width */ - key.ss3.depth = ((pitch-1) >> 20) & 0x7f; /* bits 26:20 of size or width */ - key.ss3.pitch = (pitch * 4 * sizeof(float)) - 1; /* ignored?? */ - brw_set_surface_tiling(&surf, key->tiling); /* tiling now allowed */ - - - /* - printf("%s:\n", __FUNCTION__); - printf(" width %d height %d depth %d cpp %d pitch %d\n", - key.width, key.height, key.depth, key.cpp, key.pitch); - */ - - if (brw_search_cache(&brw->surface_cache, - BRW_SS_SURFACE, - &key, sizeof(key), - &key.bo, 1, - NULL, - &brw->wm.surf_bo[surf])) - return PIPE_OK; - - ret = brw_create_constant_surface(brw, &key, &brw->wm.surf_bo[surf]); - if (ret) - return ret; - - brw->state.dirty.brw |= BRW_NEW_WM_SURFACES; - return PIPE_OK; -} - -/** - * Updates surface / buffer for fragment shader constant buffer, if - * one is required. - * - * This consumes the state updates for the constant buffer, and produces - * BRW_NEW_WM_SURFACES to get picked up by brw_prepare_wm_surfaces for - * inclusion in the binding table. - */ -static enum pipe_error prepare_wm_constant_surface(struct brw_context *brw ) -{ - struct brw_fragment_program *fp = - (struct brw_fragment_program *) brw->fragment_program; - GLuint surf = SURF_INDEX_FRAG_CONST_BUFFER; - - ret = brw_wm_update_constant_buffer(brw, - &fp->const_buffer); - if (ret) - return ret; - - /* If there's no constant buffer, then no surface BO is needed to point at - * it. - */ - if (fp->const_buffer == 0) { - if (brw->wm.surf_bo[surf] != NULL) { - bo_reference(&brw->wm.surf_bo[surf], NULL); - brw->state.dirty.brw |= BRW_NEW_WM_SURFACES; - } - return PIPE_OK; - } - - ret = brw_update_wm_constant_surface(ctx, surf); - if (ret) - return ret; - - return PIPE_OK -} - -const struct brw_tracked_state brw_wm_constant_surface = { - .dirty = { - .mesa = (_NEW_PROGRAM_CONSTANTS), - .brw = (BRW_NEW_FRAGMENT_PROGRAM), - .cache = 0 - }, - .prepare = prepare_wm_constant_surface, -}; |