| /************************************************************************** |
| * |
| * 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, |
| GLuint nr_prims, |
| const struct _mesa_index_buffer *ib, |
| GLboolean index_bounds_valid, |
| GLuint min_index, |
| GLuint max_index, |
| GLuint num_instances, |
| GLuint base_instance, |
| struct gl_transform_feedback_object *tfb_vertcount, |
| unsigned stream) |
| { |
| 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.vertices_per_patch = ctx->TessCtrlProgram.patch_vertices; |
| info.indirect = NULL; |
| info.count_from_stream_output = NULL; |
| info.restart_index = 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); |
| |
| /* 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_vp_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, 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.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); |
| |
| if (ctx->Array._PrimitiveRestart) { |
| info.primitive_restart = true; |
| info.restart_index = ctx->Array._RestartIndex[index_size - 1]; |
| } |
| } else { |
| info.index_size = 0; |
| info.has_user_indices = false; |
| } |
| |
| /* set constant buffers */ |
| draw_set_mapped_constant_buffer(draw, PIPE_SHADER_VERTEX, 0, |
| st->state.constants[PIPE_SHADER_VERTEX].ptr, |
| st->state.constants[PIPE_SHADER_VERTEX].size); |
| |
| 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 */ |
| draw_set_sampler_views(draw, PIPE_SHADER_VERTEX, |
| st->state.vert_sampler_views, |
| st->state.num_sampler_views[PIPE_SHADER_VERTEX]); |
| |
| struct pipe_transfer *sv_transfer[PIPE_MAX_SAMPLERS][PIPE_MAX_TEXTURE_LEVELS]; |
| |
| for (unsigned i = 0; i < st->state.num_sampler_views[PIPE_SHADER_VERTEX]; i++) { |
| struct pipe_sampler_view *view = st->state.vert_sampler_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_transfer_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_transfer_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++) { |
| info.count = prims[i].count; |
| |
| if (!info.count) |
| continue; |
| |
| info.mode = prims[i].mode; |
| info.start = start + prims[i].start; |
| info.index_bias = prims[i].basevertex; |
| info.drawid = prims[i].draw_id; |
| if (!ib) { |
| info.min_index = info.start; |
| info.max_index = info.start + info.count - 1; |
| } |
| |
| draw_vbo(draw, &info); |
| } |
| |
| /* 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); |
| pipe_transfer_unmap(pipe, img_transfer[i]); |
| } |
| } |
| |
| /* unmap sampler views */ |
| for (unsigned i = 0; i < st->state.num_sampler_views[PIPE_SHADER_VERTEX]; i++) { |
| struct pipe_sampler_view *view = st->state.vert_sampler_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_transfer_unmap(pipe, sv_transfer[i][j]); |
| } |
| } else { |
| pipe_transfer_unmap(pipe, sv_transfer[i][0]); |
| } |
| } |
| } |
| |
| 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, num_vbuffers, NULL); |
| } |