| /************************************************************************** |
| * |
| * Copyright 2007 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"), to deal in the Software without restriction, including |
| * without limitation the rights to use, copy, modify, merge, publish, |
| * distribute, sub license, and/or sell copies of the Software, and to |
| * permit persons to whom the Software is furnished to do so, subject to |
| * the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the |
| * next paragraph) shall be included in all copies or substantial portions |
| * of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. |
| * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR |
| * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
| * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
| * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| * |
| **************************************************************************/ |
| |
| /* Authors: |
| * Brian Paul |
| */ |
| |
| #include "util/u_inlines.h" |
| #include "util/u_memory.h" |
| |
| #include "draw/draw_context.h" |
| |
| #include "lp_context.h" |
| #include "lp_screen.h" |
| #include "lp_state.h" |
| #include "lp_debug.h" |
| #include "frontend/sw_winsys.h" |
| #include "lp_flush.h" |
| |
| |
| static void * |
| llvmpipe_create_sampler_state(struct pipe_context *pipe, |
| const struct pipe_sampler_state *sampler) |
| { |
| struct pipe_sampler_state *state = mem_dup(sampler, sizeof *sampler); |
| |
| if (LP_PERF & PERF_NO_MIP_LINEAR) { |
| if (state->min_mip_filter == PIPE_TEX_MIPFILTER_LINEAR) |
| state->min_mip_filter = PIPE_TEX_MIPFILTER_NEAREST; |
| } |
| |
| if (LP_PERF & PERF_NO_MIPMAPS) |
| state->min_mip_filter = PIPE_TEX_MIPFILTER_NONE; |
| |
| if (LP_PERF & PERF_NO_LINEAR) { |
| state->mag_img_filter = PIPE_TEX_FILTER_NEAREST; |
| state->min_img_filter = PIPE_TEX_FILTER_NEAREST; |
| } |
| |
| return state; |
| } |
| |
| |
| static void |
| llvmpipe_bind_sampler_states(struct pipe_context *pipe, |
| enum pipe_shader_type shader, |
| unsigned start, |
| unsigned num, |
| void **samplers) |
| { |
| struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); |
| unsigned i; |
| |
| assert(shader < PIPE_SHADER_TYPES); |
| assert(start + num <= ARRAY_SIZE(llvmpipe->samplers[shader])); |
| |
| draw_flush(llvmpipe->draw); |
| |
| /* set the new samplers */ |
| for (i = 0; i < num; i++) { |
| llvmpipe->samplers[shader][start + i] = samplers[i]; |
| } |
| |
| /* find highest non-null samplers[] entry */ |
| { |
| unsigned j = MAX2(llvmpipe->num_samplers[shader], start + num); |
| while (j > 0 && llvmpipe->samplers[shader][j - 1] == NULL) |
| j--; |
| llvmpipe->num_samplers[shader] = j; |
| } |
| |
| if (shader == PIPE_SHADER_VERTEX || |
| shader == PIPE_SHADER_GEOMETRY || |
| shader == PIPE_SHADER_TESS_CTRL || |
| shader == PIPE_SHADER_TESS_EVAL) { |
| draw_set_samplers(llvmpipe->draw, |
| shader, |
| llvmpipe->samplers[shader], |
| llvmpipe->num_samplers[shader]); |
| } |
| else if (shader == PIPE_SHADER_COMPUTE) { |
| llvmpipe->cs_dirty |= LP_CSNEW_SAMPLER; |
| } else { |
| llvmpipe->dirty |= LP_NEW_SAMPLER; |
| } |
| } |
| |
| |
| static void |
| llvmpipe_set_sampler_views(struct pipe_context *pipe, |
| enum pipe_shader_type shader, |
| unsigned start, |
| unsigned num, |
| struct pipe_sampler_view **views) |
| { |
| struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); |
| uint i; |
| |
| assert(num <= PIPE_MAX_SHADER_SAMPLER_VIEWS); |
| |
| assert(shader < PIPE_SHADER_TYPES); |
| assert(start + num <= ARRAY_SIZE(llvmpipe->sampler_views[shader])); |
| |
| draw_flush(llvmpipe->draw); |
| |
| /* set the new sampler views */ |
| for (i = 0; i < num; i++) { |
| /* |
| * Warn if someone tries to set a view created in a different context |
| * (which is why we need the hack above in the first place). |
| * An assert would be better but st/mesa relies on it... |
| */ |
| if (views[i] && views[i]->context != pipe) { |
| debug_printf("Illegal setting of sampler_view %d created in another " |
| "context\n", i); |
| } |
| |
| if (views[i]) |
| llvmpipe_flush_resource(pipe, views[i]->texture, 0, true, false, false, "sampler_view"); |
| pipe_sampler_view_reference(&llvmpipe->sampler_views[shader][start + i], |
| views[i]); |
| } |
| |
| /* find highest non-null sampler_views[] entry */ |
| { |
| unsigned j = MAX2(llvmpipe->num_sampler_views[shader], start + num); |
| while (j > 0 && llvmpipe->sampler_views[shader][j - 1] == NULL) |
| j--; |
| llvmpipe->num_sampler_views[shader] = j; |
| } |
| |
| if (shader == PIPE_SHADER_VERTEX || |
| shader == PIPE_SHADER_GEOMETRY || |
| shader == PIPE_SHADER_TESS_CTRL || |
| shader == PIPE_SHADER_TESS_EVAL) { |
| draw_set_sampler_views(llvmpipe->draw, |
| shader, |
| llvmpipe->sampler_views[shader], |
| llvmpipe->num_sampler_views[shader]); |
| } |
| else if (shader == PIPE_SHADER_COMPUTE) { |
| llvmpipe->cs_dirty |= LP_CSNEW_SAMPLER_VIEW; |
| } else { |
| llvmpipe->dirty |= LP_NEW_SAMPLER_VIEW; |
| } |
| } |
| |
| |
| static struct pipe_sampler_view * |
| llvmpipe_create_sampler_view(struct pipe_context *pipe, |
| struct pipe_resource *texture, |
| const struct pipe_sampler_view *templ) |
| { |
| struct pipe_sampler_view *view = CALLOC_STRUCT(pipe_sampler_view); |
| /* |
| * XXX: bind flags from OpenGL state tracker are notoriously unreliable. |
| * This looks unfixable, so fix the bind flags instead when it happens. |
| */ |
| if (!(texture->bind & PIPE_BIND_SAMPLER_VIEW)) { |
| debug_printf("Illegal sampler view creation without bind flag\n"); |
| texture->bind |= PIPE_BIND_SAMPLER_VIEW; |
| } |
| |
| if (view) { |
| *view = *templ; |
| view->reference.count = 1; |
| view->texture = NULL; |
| pipe_resource_reference(&view->texture, texture); |
| view->context = pipe; |
| |
| #ifdef DEBUG |
| /* |
| * This is possibly too lenient, but the primary reason is just |
| * to catch gallium frontends which forget to initialize this, so |
| * it only catches clearly impossible view targets. |
| */ |
| if (view->target != texture->target) { |
| if (view->target == PIPE_TEXTURE_1D) |
| assert(texture->target == PIPE_TEXTURE_1D_ARRAY); |
| else if (view->target == PIPE_TEXTURE_1D_ARRAY) |
| assert(texture->target == PIPE_TEXTURE_1D); |
| else if (view->target == PIPE_TEXTURE_2D) |
| assert(texture->target == PIPE_TEXTURE_2D_ARRAY || |
| texture->target == PIPE_TEXTURE_CUBE || |
| texture->target == PIPE_TEXTURE_CUBE_ARRAY); |
| else if (view->target == PIPE_TEXTURE_2D_ARRAY) |
| assert(texture->target == PIPE_TEXTURE_2D || |
| texture->target == PIPE_TEXTURE_CUBE || |
| texture->target == PIPE_TEXTURE_CUBE_ARRAY); |
| else if (view->target == PIPE_TEXTURE_CUBE) |
| assert(texture->target == PIPE_TEXTURE_CUBE_ARRAY || |
| texture->target == PIPE_TEXTURE_2D_ARRAY); |
| else if (view->target == PIPE_TEXTURE_CUBE_ARRAY) |
| assert(texture->target == PIPE_TEXTURE_CUBE || |
| texture->target == PIPE_TEXTURE_2D_ARRAY); |
| else |
| assert(0); |
| } |
| #endif |
| } |
| |
| return view; |
| } |
| |
| |
| static void |
| llvmpipe_sampler_view_destroy(struct pipe_context *pipe, |
| struct pipe_sampler_view *view) |
| { |
| pipe_resource_reference(&view->texture, NULL); |
| FREE(view); |
| } |
| |
| |
| static void |
| llvmpipe_delete_sampler_state(struct pipe_context *pipe, |
| void *sampler) |
| { |
| FREE( sampler ); |
| } |
| |
| |
| static void |
| prepare_shader_sampling( |
| struct llvmpipe_context *lp, |
| unsigned num, |
| struct pipe_sampler_view **views, |
| enum pipe_shader_type shader_type) |
| { |
| |
| unsigned i; |
| uint32_t row_stride[PIPE_MAX_TEXTURE_LEVELS]; |
| uint32_t img_stride[PIPE_MAX_TEXTURE_LEVELS]; |
| uint32_t mip_offsets[PIPE_MAX_TEXTURE_LEVELS]; |
| const void *addr; |
| |
| assert(num <= PIPE_MAX_SHADER_SAMPLER_VIEWS); |
| if (!num) |
| return; |
| |
| for (i = 0; i < num; i++) { |
| struct pipe_sampler_view *view = i < num ? views[i] : NULL; |
| |
| if (view) { |
| struct pipe_resource *tex = view->texture; |
| struct llvmpipe_resource *lp_tex = llvmpipe_resource(tex); |
| unsigned width0 = tex->width0; |
| unsigned num_layers = tex->depth0; |
| unsigned first_level = 0; |
| unsigned last_level = 0; |
| unsigned sample_stride = 0; |
| unsigned num_samples = tex->nr_samples; |
| |
| if (!lp_tex->dt) { |
| /* regular texture - setup array of mipmap level offsets */ |
| struct pipe_resource *res = view->texture; |
| int j; |
| |
| if (llvmpipe_resource_is_texture(res)) { |
| first_level = view->u.tex.first_level; |
| last_level = view->u.tex.last_level; |
| assert(first_level <= last_level); |
| assert(last_level <= res->last_level); |
| addr = lp_tex->tex_data; |
| |
| sample_stride = lp_tex->sample_stride; |
| |
| for (j = first_level; j <= last_level; j++) { |
| mip_offsets[j] = lp_tex->mip_offsets[j]; |
| row_stride[j] = lp_tex->row_stride[j]; |
| img_stride[j] = lp_tex->img_stride[j]; |
| } |
| if (tex->target == PIPE_TEXTURE_1D_ARRAY || |
| tex->target == PIPE_TEXTURE_2D_ARRAY || |
| tex->target == PIPE_TEXTURE_CUBE || |
| tex->target == PIPE_TEXTURE_CUBE_ARRAY) { |
| num_layers = view->u.tex.last_layer - view->u.tex.first_layer + 1; |
| for (j = first_level; j <= last_level; j++) { |
| mip_offsets[j] += view->u.tex.first_layer * |
| lp_tex->img_stride[j]; |
| } |
| if (view->target == PIPE_TEXTURE_CUBE || |
| view->target == PIPE_TEXTURE_CUBE_ARRAY) { |
| assert(num_layers % 6 == 0); |
| } |
| assert(view->u.tex.first_layer <= view->u.tex.last_layer); |
| assert(view->u.tex.last_layer < res->array_size); |
| } |
| } |
| else { |
| unsigned view_blocksize = util_format_get_blocksize(view->format); |
| addr = lp_tex->data; |
| /* probably don't really need to fill that out */ |
| mip_offsets[0] = 0; |
| row_stride[0] = 0; |
| img_stride[0] = 0; |
| |
| /* everything specified in number of elements here. */ |
| width0 = view->u.buf.size / view_blocksize; |
| addr = (uint8_t *)addr + view->u.buf.offset; |
| assert(view->u.buf.offset + view->u.buf.size <= res->width0); |
| } |
| } |
| else { |
| /* display target texture/surface */ |
| /* |
| * XXX: Where should this be unmapped? |
| */ |
| struct llvmpipe_screen *screen = llvmpipe_screen(tex->screen); |
| struct sw_winsys *winsys = screen->winsys; |
| addr = winsys->displaytarget_map(winsys, lp_tex->dt, |
| PIPE_MAP_READ); |
| row_stride[0] = lp_tex->row_stride[0]; |
| img_stride[0] = lp_tex->img_stride[0]; |
| mip_offsets[0] = 0; |
| assert(addr); |
| } |
| draw_set_mapped_texture(lp->draw, |
| shader_type, |
| i, |
| width0, tex->height0, num_layers, |
| first_level, last_level, |
| num_samples, sample_stride, |
| addr, |
| row_stride, img_stride, mip_offsets); |
| } |
| } |
| } |
| |
| |
| /** |
| * Called whenever we're about to draw (no dirty flag, FIXME?). |
| */ |
| void |
| llvmpipe_prepare_vertex_sampling(struct llvmpipe_context *lp, |
| unsigned num, |
| struct pipe_sampler_view **views) |
| { |
| prepare_shader_sampling(lp, num, views, PIPE_SHADER_VERTEX); |
| } |
| |
| |
| /** |
| * Called whenever we're about to draw (no dirty flag, FIXME?). |
| */ |
| void |
| llvmpipe_prepare_geometry_sampling(struct llvmpipe_context *lp, |
| unsigned num, |
| struct pipe_sampler_view **views) |
| { |
| prepare_shader_sampling(lp, num, views, PIPE_SHADER_GEOMETRY); |
| } |
| |
| /** |
| * Called whenever we're about to draw (no dirty flag, FIXME?). |
| */ |
| void |
| llvmpipe_prepare_tess_ctrl_sampling(struct llvmpipe_context *lp, |
| unsigned num, |
| struct pipe_sampler_view **views) |
| { |
| prepare_shader_sampling(lp, num, views, PIPE_SHADER_TESS_CTRL); |
| } |
| |
| /** |
| * Called whenever we're about to draw (no dirty flag, FIXME?). |
| */ |
| void |
| llvmpipe_prepare_tess_eval_sampling(struct llvmpipe_context *lp, |
| unsigned num, |
| struct pipe_sampler_view **views) |
| { |
| prepare_shader_sampling(lp, num, views, PIPE_SHADER_TESS_EVAL); |
| } |
| |
| static void |
| prepare_shader_images( |
| struct llvmpipe_context *lp, |
| unsigned num, |
| struct pipe_image_view *views, |
| enum pipe_shader_type shader_type) |
| { |
| |
| unsigned i; |
| uint32_t row_stride; |
| uint32_t img_stride; |
| uint32_t sample_stride; |
| const void *addr; |
| |
| assert(num <= PIPE_MAX_SHADER_SAMPLER_VIEWS); |
| if (!num) |
| return; |
| |
| for (i = 0; i < num; i++) { |
| struct pipe_image_view *view = i < num ? &views[i] : NULL; |
| |
| if (view) { |
| struct pipe_resource *img = view->resource; |
| struct llvmpipe_resource *lp_img = llvmpipe_resource(img); |
| if (!img) |
| continue; |
| |
| unsigned width = u_minify(img->width0, view->u.tex.level); |
| unsigned height = u_minify(img->height0, view->u.tex.level); |
| unsigned num_layers = img->depth0; |
| unsigned num_samples = img->nr_samples; |
| |
| if (!lp_img->dt) { |
| /* regular texture - setup array of mipmap level offsets */ |
| struct pipe_resource *res = view->resource; |
| |
| if (llvmpipe_resource_is_texture(res)) { |
| uint32_t mip_offset = lp_img->mip_offsets[view->u.tex.level]; |
| addr = lp_img->tex_data; |
| |
| if (img->target == PIPE_TEXTURE_1D_ARRAY || |
| img->target == PIPE_TEXTURE_2D_ARRAY || |
| img->target == PIPE_TEXTURE_3D || |
| img->target == PIPE_TEXTURE_CUBE || |
| img->target == PIPE_TEXTURE_CUBE_ARRAY) { |
| num_layers = view->u.tex.last_layer - view->u.tex.first_layer + 1; |
| assert(view->u.tex.first_layer <= view->u.tex.last_layer); |
| mip_offset += view->u.tex.first_layer * lp_img->img_stride[view->u.tex.level]; |
| } |
| |
| row_stride = lp_img->row_stride[view->u.tex.level]; |
| img_stride = lp_img->img_stride[view->u.tex.level]; |
| sample_stride = lp_img->sample_stride; |
| addr = (uint8_t *)addr + mip_offset; |
| } |
| else { |
| unsigned view_blocksize = util_format_get_blocksize(view->format); |
| addr = lp_img->data; |
| /* probably don't really need to fill that out */ |
| row_stride = 0; |
| img_stride = 0; |
| sample_stride = 0; |
| |
| /* everything specified in number of elements here. */ |
| width = view->u.buf.size / view_blocksize; |
| addr = (uint8_t *)addr + view->u.buf.offset; |
| assert(view->u.buf.offset + view->u.buf.size <= res->width0); |
| } |
| } |
| else { |
| /* display target texture/surface */ |
| /* |
| * XXX: Where should this be unmapped? |
| */ |
| struct llvmpipe_screen *screen = llvmpipe_screen(img->screen); |
| struct sw_winsys *winsys = screen->winsys; |
| addr = winsys->displaytarget_map(winsys, lp_img->dt, |
| PIPE_MAP_READ); |
| row_stride = lp_img->row_stride[0]; |
| img_stride = lp_img->img_stride[0]; |
| sample_stride = 0; |
| assert(addr); |
| } |
| draw_set_mapped_image(lp->draw, |
| shader_type, |
| i, |
| width, height, num_layers, |
| addr, |
| row_stride, img_stride, |
| num_samples, sample_stride); |
| } |
| } |
| } |
| |
| |
| /** |
| * Called whenever we're about to draw (no dirty flag, FIXME?). |
| */ |
| void |
| llvmpipe_prepare_vertex_images(struct llvmpipe_context *lp, |
| unsigned num, |
| struct pipe_image_view *views) |
| { |
| prepare_shader_images(lp, num, views, PIPE_SHADER_VERTEX); |
| } |
| |
| |
| /** |
| * Called whenever we're about to draw (no dirty flag, FIXME?). |
| */ |
| void |
| llvmpipe_prepare_geometry_images(struct llvmpipe_context *lp, |
| unsigned num, |
| struct pipe_image_view *views) |
| { |
| prepare_shader_images(lp, num, views, PIPE_SHADER_GEOMETRY); |
| } |
| |
| /** |
| * Called whenever we're about to draw (no dirty flag, FIXME?). |
| */ |
| void |
| llvmpipe_prepare_tess_ctrl_images(struct llvmpipe_context *lp, |
| unsigned num, |
| struct pipe_image_view *views) |
| { |
| prepare_shader_images(lp, num, views, PIPE_SHADER_TESS_CTRL); |
| } |
| |
| /** |
| * Called whenever we're about to draw (no dirty flag, FIXME?). |
| */ |
| void |
| llvmpipe_prepare_tess_eval_images(struct llvmpipe_context *lp, |
| unsigned num, |
| struct pipe_image_view *views) |
| { |
| prepare_shader_images(lp, num, views, PIPE_SHADER_TESS_EVAL); |
| } |
| |
| void |
| llvmpipe_init_sampler_funcs(struct llvmpipe_context *llvmpipe) |
| { |
| llvmpipe->pipe.create_sampler_state = llvmpipe_create_sampler_state; |
| |
| llvmpipe->pipe.bind_sampler_states = llvmpipe_bind_sampler_states; |
| llvmpipe->pipe.create_sampler_view = llvmpipe_create_sampler_view; |
| llvmpipe->pipe.set_sampler_views = llvmpipe_set_sampler_views; |
| llvmpipe->pipe.sampler_view_destroy = llvmpipe_sampler_view_destroy; |
| llvmpipe->pipe.delete_sampler_state = llvmpipe_delete_sampler_state; |
| } |
