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