530 lines
18 KiB
C
530 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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#include "main/arrayobj.h"
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#include "main/image.h"
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#include "main/macros.h"
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#include "main/varray.h"
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#include "vbo/vbo.h"
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#include "st_context.h"
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#include "st_atom.h"
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#include "st_cb_bitmap.h"
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#include "st_draw.h"
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#include "st_program.h"
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#include "st_util.h"
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#include "pipe/p_context.h"
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#include "pipe/p_defines.h"
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#include "util/u_inlines.h"
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#include "util/u_draw.h"
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#include "util/format/u_format.h"
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#include "draw/draw_private.h"
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#include "draw/draw_context.h"
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/**
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* Set the (private) draw module's post-transformed vertex format when in
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* GL_SELECT or GL_FEEDBACK mode or for glRasterPos.
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*/
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static void
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set_feedback_vertex_format(struct gl_context *ctx)
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{
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#if 0
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struct st_context *st = st_context(ctx);
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struct vertex_info vinfo;
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GLuint i;
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memset(&vinfo, 0, sizeof(vinfo));
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if (ctx->RenderMode == GL_SELECT) {
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assert(ctx->RenderMode == GL_SELECT);
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vinfo.num_attribs = 1;
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vinfo.format[0] = FORMAT_4F;
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vinfo.interp_mode[0] = INTERP_LINEAR;
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}
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else {
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/* GL_FEEDBACK, or glRasterPos */
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/* emit all attribs (pos, color, texcoord) as GLfloat[4] */
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vinfo.num_attribs = st->state.vs->cso->state.num_outputs;
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for (i = 0; i < vinfo.num_attribs; i++) {
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vinfo.format[i] = FORMAT_4F;
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vinfo.interp_mode[i] = INTERP_LINEAR;
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}
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}
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draw_set_vertex_info(st->draw, &vinfo);
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#endif
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}
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/**
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* Called by VBO to draw arrays when in selection or feedback mode and
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* to implement glRasterPos.
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* This function mirrors the normal st_draw_vbo().
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* Look at code refactoring some day.
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*/
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void
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st_feedback_draw_vbo(struct gl_context *ctx,
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const struct _mesa_prim *prims,
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unsigned nr_prims,
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const struct _mesa_index_buffer *ib,
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bool index_bounds_valid,
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bool primitive_restart,
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unsigned restart_index,
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unsigned min_index,
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unsigned max_index,
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unsigned num_instances,
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unsigned base_instance)
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{
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struct st_context *st = st_context(ctx);
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struct pipe_context *pipe = st->pipe;
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struct draw_context *draw = st_get_draw_context(st);
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const struct gl_vertex_program *vp;
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struct st_common_variant *vp_variant;
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struct pipe_vertex_buffer vbuffers[PIPE_MAX_SHADER_INPUTS];
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unsigned num_vbuffers = 0;
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struct cso_velems_state velements;
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struct pipe_transfer *vb_transfer[PIPE_MAX_ATTRIBS] = {NULL};
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struct pipe_transfer *ib_transfer = NULL;
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GLuint i;
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const void *mapped_indices = NULL;
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struct pipe_draw_info info;
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if (!draw)
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return;
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/* Initialize pipe_draw_info. */
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info.primitive_restart = false;
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info.take_index_buffer_ownership = false;
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info.restart_index = 0;
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info.view_mask = 0;
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st_flush_bitmap_cache(st);
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st_invalidate_readpix_cache(st);
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st_validate_state(st, ST_PIPELINE_RENDER);
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if (ib && !index_bounds_valid) {
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vbo_get_minmax_indices(ctx, prims, ib, &min_index, &max_index, nr_prims,
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primitive_restart, restart_index);
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index_bounds_valid = true;
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}
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/* must get these after state validation! */
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struct st_common_variant_key key;
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/* We have to use memcpy to make sure that all bits are copied. */
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memcpy(&key, &st->vp_variant->key, sizeof(key));
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key.is_draw_shader = true;
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vp = (struct gl_vertex_program *)st->vp;
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vp_variant = st_get_common_variant(st, st->vp, &key);
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/*
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* Set up the draw module's state.
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*
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* We'd like to do this less frequently, but the normal state-update
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* code sends state updates to the pipe, not to our private draw module.
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*/
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assert(draw);
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draw_set_viewport_states(draw, 0, 1, &st->state.viewport[0]);
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draw_set_clip_state(draw, &st->state.clip);
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draw_set_rasterizer_state(draw, &st->state.rasterizer, NULL);
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draw_bind_vertex_shader(draw, vp_variant->base.driver_shader);
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set_feedback_vertex_format(ctx);
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/* Must setup these after state validation! */
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/* Setup arrays */
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bool uses_user_vertex_buffers;
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st_setup_arrays(st, vp, vp_variant, &velements, vbuffers, &num_vbuffers,
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&uses_user_vertex_buffers);
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/* Setup current values as userspace arrays */
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st_setup_current_user(st, vp, vp_variant, &velements, vbuffers, &num_vbuffers);
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/* Map all buffers and tell draw about their mapping */
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for (unsigned buf = 0; buf < num_vbuffers; ++buf) {
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struct pipe_vertex_buffer *vbuffer = &vbuffers[buf];
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if (vbuffer->is_user_buffer) {
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draw_set_mapped_vertex_buffer(draw, buf, vbuffer->buffer.user, ~0);
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} else {
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void *map = pipe_buffer_map(pipe, vbuffer->buffer.resource,
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PIPE_MAP_READ, &vb_transfer[buf]);
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draw_set_mapped_vertex_buffer(draw, buf, map,
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vbuffer->buffer.resource->width0);
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}
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}
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draw_set_vertex_buffers(draw, 0, num_vbuffers, 0, vbuffers);
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draw_set_vertex_elements(draw, vp->num_inputs, velements.velems);
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unsigned start = 0;
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if (ib) {
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struct gl_buffer_object *bufobj = ib->obj;
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unsigned index_size = 1 << ib->index_size_shift;
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if (index_size == 0)
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goto out_unref_vertex;
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if (bufobj && bufobj->Name) {
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start = pointer_to_offset(ib->ptr) >> ib->index_size_shift;
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mapped_indices = pipe_buffer_map(pipe, bufobj->buffer,
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PIPE_MAP_READ, &ib_transfer);
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}
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else {
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mapped_indices = ib->ptr;
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}
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info.index_size = index_size;
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info.index_bounds_valid = index_bounds_valid;
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info.min_index = min_index;
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info.max_index = max_index;
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info.has_user_indices = true;
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info.index.user = mapped_indices;
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draw_set_indexes(draw,
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(ubyte *) mapped_indices,
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index_size, ~0);
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info.primitive_restart = primitive_restart;
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info.restart_index = restart_index;
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} else {
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info.index_size = 0;
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info.has_user_indices = false;
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}
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/* set constant buffer 0 */
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struct gl_program_parameter_list *params = st->vp->Parameters;
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/* Update the constants which come from fixed-function state, such as
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* transformation matrices, fog factors, etc.
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*
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* It must be done here if the state tracker doesn't update state vars
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* in gl_program_parameter_list because allow_constbuf0_as_real_buffer
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* is set.
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*/
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if (st->prefer_real_buffer_in_constbuf0 && params->StateFlags)
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_mesa_load_state_parameters(st->ctx, params);
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draw_set_constant_buffer_stride(draw, sizeof(float));
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draw_set_mapped_constant_buffer(draw, PIPE_SHADER_VERTEX, 0,
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params->ParameterValues,
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params->NumParameterValues * 4);
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/* set uniform buffers */
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const struct gl_program *prog = &vp->Base;
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struct pipe_transfer *ubo_transfer[PIPE_MAX_CONSTANT_BUFFERS] = {0};
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assert(prog->info.num_ubos <= ARRAY_SIZE(ubo_transfer));
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for (unsigned i = 0; i < prog->sh.NumUniformBlocks; i++) {
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struct gl_buffer_binding *binding =
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&st->ctx->UniformBufferBindings[prog->sh.UniformBlocks[i]->Binding];
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struct gl_buffer_object *st_obj = binding->BufferObject;
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struct pipe_resource *buf = st_obj->buffer;
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if (!buf)
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continue;
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unsigned offset = binding->Offset;
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unsigned size = buf->width0 - offset;
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/* AutomaticSize is FALSE if the buffer was set with BindBufferRange.
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* Take the minimum just to be sure.
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*/
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if (!binding->AutomaticSize)
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size = MIN2(size, (unsigned) binding->Size);
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void *ptr = pipe_buffer_map_range(pipe, buf, offset, size,
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PIPE_MAP_READ, &ubo_transfer[i]);
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draw_set_mapped_constant_buffer(draw, PIPE_SHADER_VERTEX, 1 + i, ptr,
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size);
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}
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/* shader buffers */
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/* TODO: atomic counter buffers */
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struct pipe_transfer *ssbo_transfer[PIPE_MAX_SHADER_BUFFERS] = {0};
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for (unsigned i = 0; i < prog->info.num_ssbos; i++) {
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struct gl_buffer_binding *binding =
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&st->ctx->ShaderStorageBufferBindings[
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prog->sh.ShaderStorageBlocks[i]->Binding];
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struct gl_buffer_object *st_obj = binding->BufferObject;
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struct pipe_resource *buf = st_obj->buffer;
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if (!buf)
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continue;
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unsigned offset = binding->Offset;
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unsigned size = buf->width0 - binding->Offset;
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/* AutomaticSize is FALSE if the buffer was set with BindBufferRange.
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* Take the minimum just to be sure.
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*/
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if (!binding->AutomaticSize)
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size = MIN2(size, (unsigned) binding->Size);
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void *ptr = pipe_buffer_map_range(pipe, buf, offset, size,
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PIPE_MAP_READ, &ssbo_transfer[i]);
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draw_set_mapped_shader_buffer(draw, PIPE_SHADER_VERTEX,
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i, ptr, size);
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}
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/* samplers */
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struct pipe_sampler_state *samplers[PIPE_MAX_SAMPLERS];
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for (unsigned i = 0; i < st->state.num_vert_samplers; i++)
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samplers[i] = &st->state.vert_samplers[i];
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draw_set_samplers(draw, PIPE_SHADER_VERTEX, samplers,
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st->state.num_vert_samplers);
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/* sampler views */
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struct pipe_sampler_view *views[PIPE_MAX_SAMPLERS];
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unsigned num_views =
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st_get_sampler_views(st, PIPE_SHADER_VERTEX, prog, views);
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draw_set_sampler_views(draw, PIPE_SHADER_VERTEX, views, num_views);
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struct pipe_transfer *sv_transfer[PIPE_MAX_SAMPLERS][PIPE_MAX_TEXTURE_LEVELS];
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for (unsigned i = 0; i < num_views; i++) {
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struct pipe_sampler_view *view = views[i];
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if (!view)
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continue;
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struct pipe_resource *res = view->texture;
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unsigned width0 = res->width0;
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unsigned num_layers = res->depth0;
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unsigned first_level = 0;
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unsigned last_level = 0;
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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_offset[PIPE_MAX_TEXTURE_LEVELS];
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uintptr_t mip_addr[PIPE_MAX_TEXTURE_LEVELS];
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uintptr_t base_addr;
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if (res->target != PIPE_BUFFER) {
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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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num_layers = view->u.tex.last_layer - view->u.tex.first_layer + 1;
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base_addr = UINTPTR_MAX;
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for (unsigned j = first_level; j <= last_level; j++) {
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unsigned map_layers = res->target == PIPE_TEXTURE_3D ?
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util_num_layers(res, j) : num_layers;
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sv_transfer[i][j] = NULL;
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mip_addr[j] = (uintptr_t)
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pipe_texture_map_3d(pipe, res, j,
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PIPE_MAP_READ, 0, 0,
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view->u.tex.first_layer,
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u_minify(res->width0, j),
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u_minify(res->height0, j),
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map_layers, &sv_transfer[i][j]);
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row_stride[j] = sv_transfer[i][j]->stride;
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img_stride[j] = sv_transfer[i][j]->layer_stride;
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/* Get the minimum address, because the draw module takes only
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* 1 address for the whole texture + uint32 offsets for mip levels,
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* so we need to convert mapped resource pointers into that scheme.
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*/
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base_addr = MIN2(base_addr, mip_addr[j]);
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}
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for (unsigned j = first_level; j <= last_level; j++) {
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/* TODO: The draw module should accept pointers for mipmap levels
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* instead of offsets. This is unlikely to work on 64-bit archs.
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*/
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assert(mip_addr[j] - base_addr <= UINT32_MAX);
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mip_offset[j] = mip_addr[j] - base_addr;
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}
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} else {
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width0 = view->u.buf.size / util_format_get_blocksize(view->format);
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/* probably don't really need to fill that out */
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mip_offset[0] = 0;
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row_stride[0] = 0;
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img_stride[0] = 0;
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sv_transfer[i][0] = NULL;
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base_addr = (uintptr_t)
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pipe_buffer_map_range(pipe, res, view->u.buf.offset,
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view->u.buf.size,
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PIPE_MAP_READ,
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&sv_transfer[i][0]);
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}
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draw_set_mapped_texture(draw, PIPE_SHADER_VERTEX, i, width0,
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res->height0, num_layers, first_level,
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last_level, 0, 0, (void*)base_addr, row_stride,
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img_stride, mip_offset);
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}
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/* shader images */
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struct pipe_image_view images[PIPE_MAX_SHADER_IMAGES];
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struct pipe_transfer *img_transfer[PIPE_MAX_SHADER_IMAGES] = {0};
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for (unsigned i = 0; i < prog->info.num_images; i++) {
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struct pipe_image_view *img = &images[i];
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st_convert_image_from_unit(st, img, prog->sh.ImageUnits[i],
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prog->sh.ImageAccess[i]);
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struct pipe_resource *res = img->resource;
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if (!res)
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continue;
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unsigned width, height, num_layers, row_stride, img_stride;
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void *addr;
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if (res->target != PIPE_BUFFER) {
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width = u_minify(res->width0, img->u.tex.level);
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height = u_minify(res->height0, img->u.tex.level);
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num_layers = img->u.tex.last_layer - img->u.tex.first_layer + 1;
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addr = pipe_texture_map_3d(pipe, res, img->u.tex.level,
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PIPE_MAP_READ, 0, 0,
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img->u.tex.first_layer,
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width, height, num_layers,
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&img_transfer[i]);
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row_stride = img_transfer[i]->stride;
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img_stride = img_transfer[i]->layer_stride;
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} else {
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width = img->u.buf.size / util_format_get_blocksize(img->format);
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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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height = num_layers = 1;
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addr = pipe_buffer_map_range(pipe, res, img->u.buf.offset,
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img->u.buf.size, PIPE_MAP_READ,
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&img_transfer[i]);
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}
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draw_set_mapped_image(draw, PIPE_SHADER_VERTEX, i, width, height,
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num_layers, addr, row_stride, img_stride, 0, 0);
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}
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draw_set_images(draw, PIPE_SHADER_VERTEX, images, prog->info.num_images);
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info.start_instance = base_instance;
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info.instance_count = num_instances;
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/* draw here */
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for (i = 0; i < nr_prims; i++) {
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struct pipe_draw_start_count_bias d;
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d.count = prims[i].count;
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if (!d.count)
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continue;
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d.start = start + prims[i].start;
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info.mode = prims[i].mode;
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d.index_bias = prims[i].basevertex;
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if (!ib) {
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info.min_index = d.start;
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info.max_index = d.start + d.count - 1;
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}
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draw_vbo(draw, &info, prims[i].draw_id, NULL, &d, 1,
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ctx->TessCtrlProgram.patch_vertices);
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}
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/* unmap images */
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for (unsigned i = 0; i < prog->info.num_images; i++) {
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if (img_transfer[i]) {
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draw_set_mapped_image(draw, PIPE_SHADER_VERTEX, i, 0, 0, 0, NULL, 0, 0, 0, 0);
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if (img_transfer[i]->resource->target == PIPE_BUFFER)
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pipe_buffer_unmap(pipe, img_transfer[i]);
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else
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pipe_texture_unmap(pipe, img_transfer[i]);
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}
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}
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/* unmap sampler views */
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for (unsigned i = 0; i < num_views; i++) {
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struct pipe_sampler_view *view = views[i];
|
|
|
|
if (view) {
|
|
if (view->texture->target != PIPE_BUFFER) {
|
|
for (unsigned j = view->u.tex.first_level;
|
|
j <= view->u.tex.last_level; j++) {
|
|
pipe_texture_unmap(pipe, sv_transfer[i][j]);
|
|
}
|
|
} else {
|
|
pipe_buffer_unmap(pipe, sv_transfer[i][0]);
|
|
}
|
|
|
|
pipe_sampler_view_reference(&views[i], NULL);
|
|
}
|
|
}
|
|
|
|
draw_set_samplers(draw, PIPE_SHADER_VERTEX, NULL, 0);
|
|
draw_set_sampler_views(draw, PIPE_SHADER_VERTEX, NULL, 0);
|
|
|
|
for (unsigned i = 0; i < prog->info.num_ssbos; i++) {
|
|
if (ssbo_transfer[i]) {
|
|
draw_set_mapped_constant_buffer(draw, PIPE_SHADER_VERTEX, 1 + i,
|
|
NULL, 0);
|
|
pipe_buffer_unmap(pipe, ssbo_transfer[i]);
|
|
}
|
|
}
|
|
|
|
for (unsigned i = 0; i < prog->info.num_ubos; i++) {
|
|
if (ubo_transfer[i]) {
|
|
draw_set_mapped_constant_buffer(draw, PIPE_SHADER_VERTEX, 1 + i,
|
|
NULL, 0);
|
|
pipe_buffer_unmap(pipe, ubo_transfer[i]);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* unmap vertex/index buffers
|
|
*/
|
|
if (ib) {
|
|
draw_set_indexes(draw, NULL, 0, 0);
|
|
if (ib_transfer)
|
|
pipe_buffer_unmap(pipe, ib_transfer);
|
|
}
|
|
|
|
out_unref_vertex:
|
|
for (unsigned buf = 0; buf < num_vbuffers; ++buf) {
|
|
if (vb_transfer[buf])
|
|
pipe_buffer_unmap(pipe, vb_transfer[buf]);
|
|
draw_set_mapped_vertex_buffer(draw, buf, NULL, 0);
|
|
}
|
|
draw_set_vertex_buffers(draw, 0, 0, num_vbuffers, NULL);
|
|
|
|
draw_bind_vertex_shader(draw, NULL);
|
|
}
|