| /* |
| * Copyright 2009 Corbin Simpson <MostAwesomeDude@gmail.com> |
| * |
| * 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 |
| * on 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 |
| * THE AUTHOR(S) AND/OR THEIR 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. */ |
| |
| /* r300_render: Vertex and index buffer primitive emission. Contains both |
| * HW TCL fastpath rendering, and SW TCL Draw-assisted rendering. */ |
| |
| #include "draw/draw_context.h" |
| #include "draw/draw_vbuf.h" |
| |
| #include "pipe/p_inlines.h" |
| |
| #include "util/u_memory.h" |
| #include "util/u_prim.h" |
| |
| #include "r300_cs.h" |
| #include "r300_context.h" |
| #include "r300_emit.h" |
| #include "r300_reg.h" |
| #include "r300_render.h" |
| #include "r300_state_derived.h" |
| |
| /* r300_render: Vertex and index buffer primitive emission. */ |
| #define R300_MAX_VBO_SIZE (1024 * 1024) |
| |
| uint32_t r300_translate_primitive(unsigned prim) |
| { |
| switch (prim) { |
| case PIPE_PRIM_POINTS: |
| return R300_VAP_VF_CNTL__PRIM_POINTS; |
| case PIPE_PRIM_LINES: |
| return R300_VAP_VF_CNTL__PRIM_LINES; |
| case PIPE_PRIM_LINE_LOOP: |
| return R300_VAP_VF_CNTL__PRIM_LINE_LOOP; |
| case PIPE_PRIM_LINE_STRIP: |
| return R300_VAP_VF_CNTL__PRIM_LINE_STRIP; |
| case PIPE_PRIM_TRIANGLES: |
| return R300_VAP_VF_CNTL__PRIM_TRIANGLES; |
| case PIPE_PRIM_TRIANGLE_STRIP: |
| return R300_VAP_VF_CNTL__PRIM_TRIANGLE_STRIP; |
| case PIPE_PRIM_TRIANGLE_FAN: |
| return R300_VAP_VF_CNTL__PRIM_TRIANGLE_FAN; |
| case PIPE_PRIM_QUADS: |
| return R300_VAP_VF_CNTL__PRIM_QUADS; |
| case PIPE_PRIM_QUAD_STRIP: |
| return R300_VAP_VF_CNTL__PRIM_QUAD_STRIP; |
| case PIPE_PRIM_POLYGON: |
| return R300_VAP_VF_CNTL__PRIM_POLYGON; |
| default: |
| return 0; |
| } |
| } |
| |
| static uint32_t r300_provoking_vertex_fixes(struct r300_context *r300, |
| unsigned mode) |
| { |
| struct r300_rs_state* rs = (struct r300_rs_state*)r300->rs_state.state; |
| uint32_t color_control = rs->color_control; |
| |
| /* By default (see r300_state.c:r300_create_rs_state) color_control is |
| * initialized to provoking the first vertex. |
| * |
| * Triangle fans must be reduced to the second vertex, not the first, in |
| * Gallium flatshade-first mode, as per the GL spec. |
| * (http://www.opengl.org/registry/specs/ARB/provoking_vertex.txt) |
| * |
| * Quads never provoke correctly in flatshade-first mode. The first |
| * vertex is never considered as provoking, so only the second, third, |
| * and fourth vertices can be selected, and both "third" and "last" modes |
| * select the fourth vertex. This is probably due to D3D lacking quads. |
| * |
| * Similarly, polygons reduce to the first, not the last, vertex, when in |
| * "last" mode, and all other modes start from the second vertex. |
| * |
| * ~ C. |
| */ |
| |
| if (rs->rs.flatshade_first) { |
| switch (mode) { |
| case PIPE_PRIM_TRIANGLE_FAN: |
| color_control |= R300_GA_COLOR_CONTROL_PROVOKING_VERTEX_SECOND; |
| break; |
| case PIPE_PRIM_QUADS: |
| case PIPE_PRIM_QUAD_STRIP: |
| case PIPE_PRIM_POLYGON: |
| color_control |= R300_GA_COLOR_CONTROL_PROVOKING_VERTEX_LAST; |
| break; |
| default: |
| color_control |= R300_GA_COLOR_CONTROL_PROVOKING_VERTEX_FIRST; |
| break; |
| } |
| } else { |
| color_control |= R300_GA_COLOR_CONTROL_PROVOKING_VERTEX_LAST; |
| } |
| |
| return color_control; |
| } |
| |
| static void r300_emit_draw_immediate(struct r300_context *r300, |
| unsigned mode, |
| unsigned start, |
| unsigned count) |
| { |
| struct pipe_buffer* vbo = r300->vertex_buffer[0].buffer; |
| unsigned vertex_size = r300->vertex_buffer[0].stride / sizeof(float); |
| unsigned i; |
| uint32_t* map; |
| CS_LOCALS(r300); |
| |
| map = (uint32_t*)pipe_buffer_map_range(r300->context.screen, vbo, |
| start * vertex_size, count * vertex_size, |
| PIPE_BUFFER_USAGE_CPU_READ); |
| |
| BEGIN_CS(10 + count * vertex_size); |
| OUT_CS_REG(R300_GA_COLOR_CONTROL, |
| r300_provoking_vertex_fixes(r300, mode)); |
| OUT_CS_REG(R300_VAP_VTX_SIZE, vertex_size); |
| OUT_CS_REG(R300_VAP_VF_MIN_VTX_INDX, 0); |
| OUT_CS_REG(R300_VAP_VF_MAX_VTX_INDX, count - 1); |
| OUT_CS_PKT3(R300_PACKET3_3D_DRAW_IMMD_2, count * vertex_size); |
| OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_EMBEDDED | (count << 16) | |
| r300_translate_primitive(mode)); |
| //debug_printf("r300: Immd %d verts, %d attrs\n", count, vertex_size); |
| for (i = 0; i < count * vertex_size; i++) { |
| if (i % vertex_size == 0) { |
| //debug_printf("r300: -- vert --\n"); |
| } |
| //debug_printf("r300: 0x%08x\n", *map); |
| OUT_CS(*map); |
| map++; |
| } |
| END_CS; |
| |
| pipe_buffer_unmap(r300->context.screen, vbo); |
| } |
| |
| static void r300_emit_draw_arrays(struct r300_context *r300, |
| unsigned mode, |
| unsigned count) |
| { |
| CS_LOCALS(r300); |
| |
| BEGIN_CS(8); |
| OUT_CS_REG(R300_GA_COLOR_CONTROL, |
| r300_provoking_vertex_fixes(r300, mode)); |
| OUT_CS_REG(R300_VAP_VF_MIN_VTX_INDX, 0); |
| OUT_CS_REG(R300_VAP_VF_MAX_VTX_INDX, count - 1); |
| OUT_CS_PKT3(R300_PACKET3_3D_DRAW_VBUF_2, 0); |
| OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_LIST | (count << 16) | |
| r300_translate_primitive(mode)); |
| END_CS; |
| } |
| |
| static void r300_emit_draw_elements(struct r300_context *r300, |
| struct pipe_buffer* indexBuffer, |
| unsigned indexSize, |
| unsigned minIndex, |
| unsigned maxIndex, |
| unsigned mode, |
| unsigned start, |
| unsigned count) |
| { |
| uint32_t count_dwords; |
| uint32_t offset_dwords = indexSize * start / sizeof(uint32_t); |
| CS_LOCALS(r300); |
| |
| /* XXX most of these are stupid */ |
| assert(indexSize == 4 || indexSize == 2); |
| assert((start * indexSize) % 4 == 0); |
| assert(offset_dwords == 0); |
| |
| BEGIN_CS(14); |
| OUT_CS_REG(R300_GA_COLOR_CONTROL, |
| r300_provoking_vertex_fixes(r300, mode)); |
| OUT_CS_REG(R300_VAP_VF_MIN_VTX_INDX, minIndex); |
| OUT_CS_REG(R300_VAP_VF_MAX_VTX_INDX, maxIndex); |
| OUT_CS_PKT3(R300_PACKET3_3D_DRAW_INDX_2, 0); |
| if (indexSize == 4) { |
| count_dwords = count + start; |
| OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (count << 16) | |
| R300_VAP_VF_CNTL__INDEX_SIZE_32bit | |
| r300_translate_primitive(mode)); |
| } else { |
| count_dwords = (count + start + 1) / 2; |
| OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (count << 16) | |
| r300_translate_primitive(mode)); |
| } |
| |
| /* INDX_BUFFER is a truly special packet3. |
| * Unlike most other packet3, where the offset is after the count, |
| * the order is reversed, so the relocation ends up carrying the |
| * size of the indexbuf instead of the offset. |
| * |
| * XXX Fix offset |
| */ |
| OUT_CS_PKT3(R300_PACKET3_INDX_BUFFER, 2); |
| OUT_CS(R300_INDX_BUFFER_ONE_REG_WR | (R300_VAP_PORT_IDX0 >> 2) | |
| (0 << R300_INDX_BUFFER_SKIP_SHIFT)); |
| OUT_CS(offset_dwords); |
| OUT_CS_RELOC(indexBuffer, count_dwords, |
| RADEON_GEM_DOMAIN_GTT, 0, 0); |
| |
| END_CS; |
| } |
| |
| |
| static boolean r300_setup_vertex_buffers(struct r300_context *r300) |
| { |
| struct pipe_vertex_buffer *vbuf = r300->vertex_buffer; |
| struct pipe_vertex_element *velem = r300->vertex_element; |
| |
| validate: |
| for (int i = 0; i < r300->vertex_element_count; i++) { |
| if (!r300->winsys->add_buffer(r300->winsys, |
| vbuf[velem[i].vertex_buffer_index].buffer, |
| RADEON_GEM_DOMAIN_GTT, 0)) { |
| r300->context.flush(&r300->context, 0, NULL); |
| goto validate; |
| } |
| } |
| |
| if (!r300->winsys->validate(r300->winsys)) { |
| r300->context.flush(&r300->context, 0, NULL); |
| return r300->winsys->validate(r300->winsys); |
| } |
| |
| return TRUE; |
| } |
| |
| static void r300_shorten_ubyte_elts(struct r300_context* r300, |
| struct pipe_buffer** elts, |
| unsigned count) |
| { |
| struct pipe_screen* screen = r300->context.screen; |
| struct pipe_buffer* new_elts; |
| unsigned char *in_map; |
| unsigned short *out_map; |
| unsigned i; |
| |
| new_elts = screen->buffer_create(screen, 32, |
| PIPE_BUFFER_USAGE_INDEX | |
| PIPE_BUFFER_USAGE_CPU_WRITE | |
| PIPE_BUFFER_USAGE_GPU_READ, |
| 2 * count); |
| |
| in_map = pipe_buffer_map(screen, *elts, PIPE_BUFFER_USAGE_CPU_READ); |
| out_map = pipe_buffer_map(screen, new_elts, PIPE_BUFFER_USAGE_CPU_WRITE); |
| |
| for (i = 0; i < count; i++) { |
| *out_map = (unsigned short)*in_map; |
| in_map++; |
| out_map++; |
| } |
| |
| pipe_buffer_unmap(screen, *elts); |
| pipe_buffer_unmap(screen, new_elts); |
| |
| *elts = new_elts; |
| } |
| |
| /* This is the fast-path drawing & emission for HW TCL. */ |
| void r300_draw_range_elements(struct pipe_context* pipe, |
| struct pipe_buffer* indexBuffer, |
| unsigned indexSize, |
| unsigned minIndex, |
| unsigned maxIndex, |
| unsigned mode, |
| unsigned start, |
| unsigned count) |
| { |
| struct r300_context* r300 = r300_context(pipe); |
| struct pipe_buffer* orgIndexBuffer = indexBuffer; |
| |
| if (!u_trim_pipe_prim(mode, &count)) { |
| return; |
| } |
| |
| if (count > 65535) { |
| /* XXX: use aux/indices functions to split this into smaller |
| * primitives. |
| */ |
| return; |
| } |
| |
| r300_update_derived_state(r300); |
| |
| if (!r300_setup_vertex_buffers(r300)) { |
| return; |
| } |
| |
| if (indexSize == 1) { |
| r300_shorten_ubyte_elts(r300, &indexBuffer, count); |
| indexSize = 2; |
| } |
| |
| r300_emit_buffer_validate(r300->winsys); |
| |
| if (!r300->winsys->add_buffer(r300->winsys, indexBuffer, |
| RADEON_GEM_DOMAIN_GTT, 0)) { |
| goto cleanup; |
| } |
| |
| if (!r300->winsys->validate(r300->winsys)) { |
| goto cleanup; |
| } |
| |
| r300_emit_dirty_state(r300); |
| |
| r300_emit_aos(r300, 0); |
| |
| r300_emit_draw_elements(r300, indexBuffer, indexSize, minIndex, maxIndex, |
| mode, start, count); |
| |
| cleanup: |
| if (indexBuffer != orgIndexBuffer) { |
| pipe->screen->buffer_destroy(indexBuffer); |
| } |
| } |
| |
| /* Simple helpers for context setup. Should probably be moved to util. */ |
| void r300_draw_elements(struct pipe_context* pipe, |
| struct pipe_buffer* indexBuffer, |
| unsigned indexSize, unsigned mode, |
| unsigned start, unsigned count) |
| { |
| pipe->draw_range_elements(pipe, indexBuffer, indexSize, 0, ~0, |
| mode, start, count); |
| } |
| |
| void r300_draw_arrays(struct pipe_context* pipe, unsigned mode, |
| unsigned start, unsigned count) |
| { |
| struct r300_context* r300 = r300_context(pipe); |
| |
| if (!u_trim_pipe_prim(mode, &count)) { |
| return; |
| } |
| |
| if (count > 65535) { |
| /* XXX: driver needs to handle this -- use the functions in |
| * aux/indices to split this into several smaller primitives. |
| */ |
| return; |
| } |
| |
| r300_update_derived_state(r300); |
| |
| r300_emit_buffer_validate(r300); |
| |
| if (!r300_setup_vertex_buffers(r300)) { |
| return; |
| } |
| |
| r300_emit_dirty_state(r300); |
| |
| if (FALSE && count <= 4 && r300->vertex_buffer_count == 1) { |
| r300_emit_draw_immediate(r300, mode, start, count); |
| } else { |
| r300_emit_aos(r300, start); |
| r300_emit_draw_arrays(r300, mode, count); |
| } |
| } |
| |
| /**************************************************************************** |
| * The rest of this file is for SW TCL rendering only. Please be polite and * |
| * keep these functions separated so that they are easier to locate. ~C. * |
| ***************************************************************************/ |
| |
| /* SW TCL arrays, using Draw. */ |
| void r300_swtcl_draw_arrays(struct pipe_context* pipe, |
| unsigned mode, |
| unsigned start, |
| unsigned count) |
| { |
| struct r300_context* r300 = r300_context(pipe); |
| int i; |
| |
| if (!u_trim_pipe_prim(mode, &count)) { |
| return; |
| } |
| |
| for (i = 0; i < r300->vertex_buffer_count; i++) { |
| void* buf = pipe_buffer_map(pipe->screen, |
| r300->vertex_buffer[i].buffer, |
| PIPE_BUFFER_USAGE_CPU_READ); |
| draw_set_mapped_vertex_buffer(r300->draw, i, buf); |
| } |
| |
| draw_set_mapped_element_buffer(r300->draw, 0, NULL); |
| |
| draw_set_mapped_constant_buffer(r300->draw, |
| PIPE_SHADER_VERTEX, |
| r300->shader_constants[PIPE_SHADER_VERTEX].constants, |
| r300->shader_constants[PIPE_SHADER_VERTEX].count * |
| (sizeof(float) * 4)); |
| |
| draw_arrays(r300->draw, mode, start, count); |
| |
| for (i = 0; i < r300->vertex_buffer_count; i++) { |
| pipe_buffer_unmap(pipe->screen, r300->vertex_buffer[i].buffer); |
| draw_set_mapped_vertex_buffer(r300->draw, i, NULL); |
| } |
| } |
| |
| /* SW TCL elements, using Draw. */ |
| void r300_swtcl_draw_range_elements(struct pipe_context* pipe, |
| struct pipe_buffer* indexBuffer, |
| unsigned indexSize, |
| unsigned minIndex, |
| unsigned maxIndex, |
| unsigned mode, |
| unsigned start, |
| unsigned count) |
| { |
| struct r300_context* r300 = r300_context(pipe); |
| int i; |
| void* indices; |
| |
| if (!u_trim_pipe_prim(mode, &count)) { |
| return; |
| } |
| |
| for (i = 0; i < r300->vertex_buffer_count; i++) { |
| void* buf = pipe_buffer_map(pipe->screen, |
| r300->vertex_buffer[i].buffer, |
| PIPE_BUFFER_USAGE_CPU_READ); |
| draw_set_mapped_vertex_buffer(r300->draw, i, buf); |
| } |
| |
| indices = pipe_buffer_map(pipe->screen, indexBuffer, |
| PIPE_BUFFER_USAGE_CPU_READ); |
| draw_set_mapped_element_buffer_range(r300->draw, indexSize, |
| minIndex, maxIndex, indices); |
| |
| draw_set_mapped_constant_buffer(r300->draw, |
| PIPE_SHADER_VERTEX, |
| r300->shader_constants[PIPE_SHADER_VERTEX].constants, |
| r300->shader_constants[PIPE_SHADER_VERTEX].count * |
| (sizeof(float) * 4)); |
| |
| draw_arrays(r300->draw, mode, start, count); |
| |
| for (i = 0; i < r300->vertex_buffer_count; i++) { |
| pipe_buffer_unmap(pipe->screen, r300->vertex_buffer[i].buffer); |
| draw_set_mapped_vertex_buffer(r300->draw, i, NULL); |
| } |
| |
| pipe_buffer_unmap(pipe->screen, indexBuffer); |
| draw_set_mapped_element_buffer_range(r300->draw, 0, start, |
| start + count - 1, NULL); |
| } |
| |
| /* Object for rendering using Draw. */ |
| struct r300_render { |
| /* Parent class */ |
| struct vbuf_render base; |
| |
| /* Pipe context */ |
| struct r300_context* r300; |
| |
| /* Vertex information */ |
| size_t vertex_size; |
| unsigned prim; |
| unsigned hwprim; |
| |
| /* VBO */ |
| struct pipe_buffer* vbo; |
| size_t vbo_size; |
| size_t vbo_offset; |
| size_t vbo_max_used; |
| void * vbo_ptr; |
| }; |
| |
| static INLINE struct r300_render* |
| r300_render(struct vbuf_render* render) |
| { |
| return (struct r300_render*)render; |
| } |
| |
| static const struct vertex_info* |
| r300_render_get_vertex_info(struct vbuf_render* render) |
| { |
| struct r300_render* r300render = r300_render(render); |
| struct r300_context* r300 = r300render->r300; |
| |
| r300_update_derived_state(r300); |
| |
| return &r300->vertex_info->vinfo; |
| } |
| |
| static boolean r300_render_allocate_vertices(struct vbuf_render* render, |
| ushort vertex_size, |
| ushort count) |
| { |
| struct r300_render* r300render = r300_render(render); |
| struct r300_context* r300 = r300render->r300; |
| struct pipe_screen* screen = r300->context.screen; |
| size_t size = (size_t)vertex_size * (size_t)count; |
| |
| if (size + r300render->vbo_offset > r300render->vbo_size) |
| { |
| pipe_buffer_reference(&r300->vbo, NULL); |
| r300render->vbo = pipe_buffer_create(screen, |
| 64, |
| PIPE_BUFFER_USAGE_VERTEX, |
| R300_MAX_VBO_SIZE); |
| r300render->vbo_offset = 0; |
| r300render->vbo_size = R300_MAX_VBO_SIZE; |
| } |
| |
| r300render->vertex_size = vertex_size; |
| r300->vbo = r300render->vbo; |
| r300->vbo_offset = r300render->vbo_offset; |
| |
| return (r300render->vbo) ? TRUE : FALSE; |
| } |
| |
| static void* r300_render_map_vertices(struct vbuf_render* render) |
| { |
| struct r300_render* r300render = r300_render(render); |
| struct pipe_screen* screen = r300render->r300->context.screen; |
| |
| r300render->vbo_ptr = pipe_buffer_map(screen, r300render->vbo, |
| PIPE_BUFFER_USAGE_CPU_WRITE); |
| |
| return ((uint8_t*)r300render->vbo_ptr + r300render->vbo_offset); |
| } |
| |
| static void r300_render_unmap_vertices(struct vbuf_render* render, |
| ushort min, |
| ushort max) |
| { |
| struct r300_render* r300render = r300_render(render); |
| struct pipe_screen* screen = r300render->r300->context.screen; |
| CS_LOCALS(r300render->r300); |
| BEGIN_CS(2); |
| OUT_CS_REG(R300_VAP_VF_MAX_VTX_INDX, max); |
| END_CS; |
| |
| r300render->vbo_max_used = MAX2(r300render->vbo_max_used, |
| r300render->vertex_size * (max + 1)); |
| pipe_buffer_unmap(screen, r300render->vbo); |
| } |
| |
| static void r300_render_release_vertices(struct vbuf_render* render) |
| { |
| struct r300_render* r300render = r300_render(render); |
| |
| r300render->vbo_offset += r300render->vbo_max_used; |
| r300render->vbo_max_used = 0; |
| } |
| |
| static boolean r300_render_set_primitive(struct vbuf_render* render, |
| unsigned prim) |
| { |
| struct r300_render* r300render = r300_render(render); |
| |
| r300render->prim = prim; |
| r300render->hwprim = r300_translate_primitive(prim); |
| |
| return TRUE; |
| } |
| |
| static void r300_render_draw_arrays(struct vbuf_render* render, |
| unsigned start, |
| unsigned count) |
| { |
| struct r300_render* r300render = r300_render(render); |
| struct r300_context* r300 = r300render->r300; |
| |
| CS_LOCALS(r300); |
| |
| r300_emit_dirty_state(r300); |
| |
| DBG(r300, DBG_DRAW, "r300: Doing vbuf render, count %d\n", count); |
| |
| BEGIN_CS(2); |
| OUT_CS_PKT3(R300_PACKET3_3D_DRAW_VBUF_2, 0); |
| OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_LIST | (count << 16) | |
| r300render->hwprim); |
| END_CS; |
| } |
| |
| static void r300_render_draw(struct vbuf_render* render, |
| const ushort* indices, |
| uint count) |
| { |
| struct r300_render* r300render = r300_render(render); |
| struct r300_context* r300 = r300render->r300; |
| int i; |
| |
| CS_LOCALS(r300); |
| |
| r300_emit_dirty_state(r300); |
| |
| BEGIN_CS(2 + (count+1)/2); |
| OUT_CS_PKT3(R300_PACKET3_3D_DRAW_INDX_2, (count+1)/2); |
| OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (count << 16) | |
| r300render->hwprim); |
| for (i = 0; i < count-1; i += 2) { |
| OUT_CS(indices[i+1] << 16 | indices[i]); |
| } |
| if (count % 2) { |
| OUT_CS(indices[count-1]); |
| } |
| END_CS; |
| } |
| |
| static void r300_render_destroy(struct vbuf_render* render) |
| { |
| FREE(render); |
| } |
| |
| static struct vbuf_render* r300_render_create(struct r300_context* r300) |
| { |
| struct r300_render* r300render = CALLOC_STRUCT(r300_render); |
| |
| r300render->r300 = r300; |
| |
| /* XXX find real numbers plz */ |
| r300render->base.max_vertex_buffer_bytes = 128 * 1024; |
| r300render->base.max_indices = 16 * 1024; |
| |
| r300render->base.get_vertex_info = r300_render_get_vertex_info; |
| r300render->base.allocate_vertices = r300_render_allocate_vertices; |
| r300render->base.map_vertices = r300_render_map_vertices; |
| r300render->base.unmap_vertices = r300_render_unmap_vertices; |
| r300render->base.set_primitive = r300_render_set_primitive; |
| r300render->base.draw = r300_render_draw; |
| r300render->base.draw_arrays = r300_render_draw_arrays; |
| r300render->base.release_vertices = r300_render_release_vertices; |
| r300render->base.destroy = r300_render_destroy; |
| |
| r300render->vbo = NULL; |
| r300render->vbo_size = 0; |
| r300render->vbo_offset = 0; |
| |
| return &r300render->base; |
| } |
| |
| struct draw_stage* r300_draw_stage(struct r300_context* r300) |
| { |
| struct vbuf_render* render; |
| struct draw_stage* stage; |
| |
| render = r300_render_create(r300); |
| |
| if (!render) { |
| return NULL; |
| } |
| |
| stage = draw_vbuf_stage(r300->draw, render); |
| |
| if (!stage) { |
| render->destroy(render); |
| return NULL; |
| } |
| |
| draw_set_render(r300->draw, render); |
| |
| return stage; |
| } |