/************************************************************************** * * 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. * **************************************************************************/ #include "main/arrayobj.h" #include "main/image.h" #include "main/macros.h" #include "main/varray.h" #include "vbo/vbo.h" #include "st_context.h" #include "st_atom.h" #include "st_cb_bitmap.h" #include "st_cb_bufferobjects.h" #include "st_draw.h" #include "st_program.h" #include "st_util.h" #include "pipe/p_context.h" #include "pipe/p_defines.h" #include "util/u_inlines.h" #include "util/u_draw.h" #include "util/format/u_format.h" #include "draw/draw_private.h" #include "draw/draw_context.h" /** * Set the (private) draw module's post-transformed vertex format when in * GL_SELECT or GL_FEEDBACK mode or for glRasterPos. */ static void set_feedback_vertex_format(struct gl_context *ctx) { #if 0 struct st_context *st = st_context(ctx); struct vertex_info vinfo; GLuint i; memset(&vinfo, 0, sizeof(vinfo)); if (ctx->RenderMode == GL_SELECT) { assert(ctx->RenderMode == GL_SELECT); vinfo.num_attribs = 1; vinfo.format[0] = FORMAT_4F; vinfo.interp_mode[0] = INTERP_LINEAR; } else { /* GL_FEEDBACK, or glRasterPos */ /* emit all attribs (pos, color, texcoord) as GLfloat[4] */ vinfo.num_attribs = st->state.vs->cso->state.num_outputs; for (i = 0; i < vinfo.num_attribs; i++) { vinfo.format[i] = FORMAT_4F; vinfo.interp_mode[i] = INTERP_LINEAR; } } draw_set_vertex_info(st->draw, &vinfo); #endif } /** * Called by VBO to draw arrays when in selection or feedback mode and * to implement glRasterPos. * This function mirrors the normal st_draw_vbo(). * Look at code refactoring some day. */ void st_feedback_draw_vbo(struct gl_context *ctx, const struct _mesa_prim *prims, unsigned nr_prims, const struct _mesa_index_buffer *ib, bool index_bounds_valid, bool primitive_restart, unsigned restart_index, unsigned min_index, unsigned max_index, unsigned num_instances, unsigned base_instance) { struct st_context *st = st_context(ctx); struct pipe_context *pipe = st->pipe; struct draw_context *draw = st_get_draw_context(st); const struct st_vertex_program *vp; struct st_common_variant *vp_variant; struct pipe_vertex_buffer vbuffers[PIPE_MAX_SHADER_INPUTS]; unsigned num_vbuffers = 0; struct cso_velems_state velements; struct pipe_transfer *vb_transfer[PIPE_MAX_ATTRIBS] = {NULL}; struct pipe_transfer *ib_transfer = NULL; GLuint i; const void *mapped_indices = NULL; struct pipe_draw_info info; if (!draw) return; /* Initialize pipe_draw_info. */ info.primitive_restart = false; info.take_index_buffer_ownership = false; info.restart_index = 0; info.view_mask = 0; st_flush_bitmap_cache(st); st_invalidate_readpix_cache(st); st_validate_state(st, ST_PIPELINE_RENDER); if (ib && !index_bounds_valid) { vbo_get_minmax_indices(ctx, prims, ib, &min_index, &max_index, nr_prims, primitive_restart, restart_index); index_bounds_valid = true; } /* must get these after state validation! */ struct st_common_variant_key key; /* We have to use memcpy to make sure that all bits are copied. */ memcpy(&key, &st->vp_variant->key, sizeof(key)); key.is_draw_shader = true; vp = (struct st_vertex_program *)st->vp; vp_variant = st_get_common_variant(st, st->vp, &key); /* * Set up the draw module's state. * * We'd like to do this less frequently, but the normal state-update * code sends state updates to the pipe, not to our private draw module. */ assert(draw); draw_set_viewport_states(draw, 0, 1, &st->state.viewport[0]); draw_set_clip_state(draw, &st->state.clip); draw_set_rasterizer_state(draw, &st->state.rasterizer, NULL); draw_bind_vertex_shader(draw, vp_variant->base.driver_shader); set_feedback_vertex_format(ctx); /* Must setup these after state validation! */ /* Setup arrays */ bool uses_user_vertex_buffers; st_setup_arrays(st, vp, vp_variant, &velements, vbuffers, &num_vbuffers, &uses_user_vertex_buffers); /* Setup current values as userspace arrays */ st_setup_current_user(st, vp, vp_variant, &velements, vbuffers, &num_vbuffers); /* Map all buffers and tell draw about their mapping */ for (unsigned buf = 0; buf < num_vbuffers; ++buf) { struct pipe_vertex_buffer *vbuffer = &vbuffers[buf]; if (vbuffer->is_user_buffer) { draw_set_mapped_vertex_buffer(draw, buf, vbuffer->buffer.user, ~0); } else { void *map = pipe_buffer_map(pipe, vbuffer->buffer.resource, PIPE_MAP_READ, &vb_transfer[buf]); draw_set_mapped_vertex_buffer(draw, buf, map, vbuffer->buffer.resource->width0); } } draw_set_vertex_buffers(draw, 0, num_vbuffers, 0, vbuffers); draw_set_vertex_elements(draw, vp->num_inputs, velements.velems); unsigned start = 0; if (ib) { struct gl_buffer_object *bufobj = ib->obj; unsigned index_size = 1 << ib->index_size_shift; if (index_size == 0) goto out_unref_vertex; if (bufobj && bufobj->Name) { struct st_buffer_object *stobj = st_buffer_object(bufobj); start = pointer_to_offset(ib->ptr) >> ib->index_size_shift; mapped_indices = pipe_buffer_map(pipe, stobj->buffer, PIPE_MAP_READ, &ib_transfer); } else { mapped_indices = ib->ptr; } info.index_size = index_size; info.index_bounds_valid = index_bounds_valid; info.min_index = min_index; info.max_index = max_index; info.has_user_indices = true; info.index.user = mapped_indices; draw_set_indexes(draw, (ubyte *) mapped_indices, index_size, ~0); info.primitive_restart = primitive_restart; info.restart_index = restart_index; } else { info.index_size = 0; info.has_user_indices = false; } /* set constant buffer 0 */ struct gl_program_parameter_list *params = st->vp->Base.Parameters; /* Update the constants which come from fixed-function state, such as * transformation matrices, fog factors, etc. * * It must be done here if the state tracker doesn't update state vars * in gl_program_parameter_list because allow_constbuf0_as_real_buffer * is set. */ if (st->prefer_real_buffer_in_constbuf0 && params->StateFlags) _mesa_load_state_parameters(st->ctx, params); draw_set_mapped_constant_buffer(draw, PIPE_SHADER_VERTEX, 0, params->ParameterValues, params->NumParameterValues * 4); /* set uniform buffers */ const struct gl_program *prog = &vp->Base.Base; struct pipe_transfer *ubo_transfer[PIPE_MAX_CONSTANT_BUFFERS] = {0}; assert(prog->info.num_ubos <= ARRAY_SIZE(ubo_transfer)); for (unsigned i = 0; i < prog->sh.NumUniformBlocks; i++) { struct gl_buffer_binding *binding = &st->ctx->UniformBufferBindings[prog->sh.UniformBlocks[i]->Binding]; struct st_buffer_object *st_obj = st_buffer_object(binding->BufferObject); struct pipe_resource *buf = st_obj->buffer; if (!buf) continue; unsigned offset = binding->Offset; unsigned size = buf->width0 - offset; /* AutomaticSize is FALSE if the buffer was set with BindBufferRange. * Take the minimum just to be sure. */ if (!binding->AutomaticSize) size = MIN2(size, (unsigned) binding->Size); void *ptr = pipe_buffer_map_range(pipe, buf, offset, size, PIPE_MAP_READ, &ubo_transfer[i]); draw_set_mapped_constant_buffer(draw, PIPE_SHADER_VERTEX, 1 + i, ptr, size); } /* shader buffers */ /* TODO: atomic counter buffers */ struct pipe_transfer *ssbo_transfer[PIPE_MAX_SHADER_BUFFERS] = {0}; for (unsigned i = 0; i < prog->info.num_ssbos; i++) { struct gl_buffer_binding *binding = &st->ctx->ShaderStorageBufferBindings[ prog->sh.ShaderStorageBlocks[i]->Binding]; struct st_buffer_object *st_obj = st_buffer_object(binding->BufferObject); struct pipe_resource *buf = st_obj->buffer; if (!buf) continue; unsigned offset = binding->Offset; unsigned size = buf->width0 - binding->Offset; /* AutomaticSize is FALSE if the buffer was set with BindBufferRange. * Take the minimum just to be sure. */ if (!binding->AutomaticSize) size = MIN2(size, (unsigned) binding->Size); void *ptr = pipe_buffer_map_range(pipe, buf, offset, size, PIPE_MAP_READ, &ssbo_transfer[i]); draw_set_mapped_shader_buffer(draw, PIPE_SHADER_VERTEX, i, ptr, size); } /* samplers */ struct pipe_sampler_state *samplers[PIPE_MAX_SAMPLERS]; for (unsigned i = 0; i < st->state.num_vert_samplers; i++) samplers[i] = &st->state.vert_samplers[i]; draw_set_samplers(draw, PIPE_SHADER_VERTEX, samplers, st->state.num_vert_samplers); /* sampler views */ struct pipe_sampler_view *views[PIPE_MAX_SAMPLERS]; unsigned num_views = st_get_sampler_views(st, PIPE_SHADER_VERTEX, prog, views); draw_set_sampler_views(draw, PIPE_SHADER_VERTEX, views, num_views); struct pipe_transfer *sv_transfer[PIPE_MAX_SAMPLERS][PIPE_MAX_TEXTURE_LEVELS]; for (unsigned i = 0; i < num_views; i++) { struct pipe_sampler_view *view = views[i]; if (!view) continue; struct pipe_resource *res = view->texture; unsigned width0 = res->width0; unsigned num_layers = res->depth0; unsigned first_level = 0; unsigned last_level = 0; uint32_t row_stride[PIPE_MAX_TEXTURE_LEVELS]; uint32_t img_stride[PIPE_MAX_TEXTURE_LEVELS]; uint32_t mip_offset[PIPE_MAX_TEXTURE_LEVELS]; uintptr_t mip_addr[PIPE_MAX_TEXTURE_LEVELS]; uintptr_t base_addr; if (res->target != PIPE_BUFFER) { first_level = view->u.tex.first_level; last_level = view->u.tex.last_level; num_layers = view->u.tex.last_layer - view->u.tex.first_layer + 1; base_addr = UINTPTR_MAX; for (unsigned j = first_level; j <= last_level; j++) { unsigned map_layers = res->target == PIPE_TEXTURE_3D ? util_num_layers(res, j) : num_layers; sv_transfer[i][j] = NULL; mip_addr[j] = (uintptr_t) pipe_texture_map_3d(pipe, res, j, PIPE_MAP_READ, 0, 0, view->u.tex.first_layer, u_minify(res->width0, j), u_minify(res->height0, j), map_layers, &sv_transfer[i][j]); row_stride[j] = sv_transfer[i][j]->stride; img_stride[j] = sv_transfer[i][j]->layer_stride; /* Get the minimum address, because the draw module takes only * 1 address for the whole texture + uint32 offsets for mip levels, * so we need to convert mapped resource pointers into that scheme. */ base_addr = MIN2(base_addr, mip_addr[j]); } for (unsigned j = first_level; j <= last_level; j++) { /* TODO: The draw module should accept pointers for mipmap levels * instead of offsets. This is unlikely to work on 64-bit archs. */ assert(mip_addr[j] - base_addr <= UINT32_MAX); mip_offset[j] = mip_addr[j] - base_addr; } } else { width0 = view->u.buf.size / util_format_get_blocksize(view->format); /* probably don't really need to fill that out */ mip_offset[0] = 0; row_stride[0] = 0; img_stride[0] = 0; sv_transfer[i][0] = NULL; base_addr = (uintptr_t) pipe_buffer_map_range(pipe, res, view->u.buf.offset, view->u.buf.size, PIPE_MAP_READ, &sv_transfer[i][0]); } draw_set_mapped_texture(draw, PIPE_SHADER_VERTEX, i, width0, res->height0, num_layers, first_level, last_level, 0, 0, (void*)base_addr, row_stride, img_stride, mip_offset); } /* shader images */ struct pipe_image_view images[PIPE_MAX_SHADER_IMAGES]; struct pipe_transfer *img_transfer[PIPE_MAX_SHADER_IMAGES] = {0}; for (unsigned i = 0; i < prog->info.num_images; i++) { struct pipe_image_view *img = &images[i]; st_convert_image_from_unit(st, img, prog->sh.ImageUnits[i], prog->sh.ImageAccess[i]); struct pipe_resource *res = img->resource; if (!res) continue; unsigned width, height, num_layers, row_stride, img_stride; void *addr; if (res->target != PIPE_BUFFER) { width = u_minify(res->width0, img->u.tex.level); height = u_minify(res->height0, img->u.tex.level); num_layers = img->u.tex.last_layer - img->u.tex.first_layer + 1; addr = pipe_texture_map_3d(pipe, res, img->u.tex.level, PIPE_MAP_READ, 0, 0, img->u.tex.first_layer, width, height, num_layers, &img_transfer[i]); row_stride = img_transfer[i]->stride; img_stride = img_transfer[i]->layer_stride; } else { width = img->u.buf.size / util_format_get_blocksize(img->format); /* probably don't really need to fill that out */ row_stride = 0; img_stride = 0; height = num_layers = 1; addr = pipe_buffer_map_range(pipe, res, img->u.buf.offset, img->u.buf.size, PIPE_MAP_READ, &img_transfer[i]); } draw_set_mapped_image(draw, PIPE_SHADER_VERTEX, i, width, height, num_layers, addr, row_stride, img_stride, 0, 0); } draw_set_images(draw, PIPE_SHADER_VERTEX, images, prog->info.num_images); info.start_instance = base_instance; info.instance_count = num_instances; /* draw here */ for (i = 0; i < nr_prims; i++) { struct pipe_draw_start_count_bias d; d.count = prims[i].count; if (!d.count) continue; d.start = start + prims[i].start; info.mode = prims[i].mode; d.index_bias = prims[i].basevertex; if (!ib) { info.min_index = d.start; info.max_index = d.start + d.count - 1; } draw_vbo(draw, &info, prims[i].draw_id, NULL, &d, 1, ctx->TessCtrlProgram.patch_vertices); } /* unmap images */ for (unsigned i = 0; i < prog->info.num_images; i++) { if (img_transfer[i]) { draw_set_mapped_image(draw, PIPE_SHADER_VERTEX, i, 0, 0, 0, NULL, 0, 0, 0, 0); if (img_transfer[i]->resource->target == PIPE_BUFFER) pipe_buffer_unmap(pipe, img_transfer[i]); else pipe_texture_unmap(pipe, img_transfer[i]); } } /* unmap sampler views */ for (unsigned i = 0; i < num_views; i++) { 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); }