| /* |
| * Copyright 2009 Corbin Simpson <MostAwesomeDude@gmail.com> |
| * Copyright 2010 Marek Olšák <maraeo@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 "util/u_inlines.h" |
| |
| #include "util/u_format.h" |
| #include "util/u_memory.h" |
| #include "util/u_upload_mgr.h" |
| #include "util/u_prim.h" |
| |
| #include "r300_cs.h" |
| #include "r300_context.h" |
| #include "r300_screen_buffer.h" |
| #include "r300_emit.h" |
| #include "r300_reg.h" |
| |
| #include <limits.h> |
| |
| #define IMMD_DWORDS 32 |
| |
| static uint32_t r300_translate_primitive(unsigned prim) |
| { |
| static const int prim_conv[] = { |
| R300_VAP_VF_CNTL__PRIM_POINTS, |
| R300_VAP_VF_CNTL__PRIM_LINES, |
| R300_VAP_VF_CNTL__PRIM_LINE_LOOP, |
| R300_VAP_VF_CNTL__PRIM_LINE_STRIP, |
| R300_VAP_VF_CNTL__PRIM_TRIANGLES, |
| R300_VAP_VF_CNTL__PRIM_TRIANGLE_STRIP, |
| R300_VAP_VF_CNTL__PRIM_TRIANGLE_FAN, |
| R300_VAP_VF_CNTL__PRIM_QUADS, |
| R300_VAP_VF_CNTL__PRIM_QUAD_STRIP, |
| R300_VAP_VF_CNTL__PRIM_POLYGON, |
| -1, |
| -1, |
| -1, |
| -1 |
| }; |
| unsigned hwprim = prim_conv[prim]; |
| |
| assert(hwprim != -1); |
| return hwprim; |
| } |
| |
| 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; |
| } |
| |
| void r500_emit_index_bias(struct r300_context *r300, int index_bias) |
| { |
| CS_LOCALS(r300); |
| |
| BEGIN_CS(2); |
| OUT_CS_REG(R500_VAP_INDEX_OFFSET, |
| (index_bias & 0xFFFFFF) | (index_bias < 0 ? 1<<24 : 0)); |
| END_CS; |
| } |
| |
| static void r300_emit_draw_init(struct r300_context *r300, unsigned mode, |
| unsigned max_index) |
| { |
| CS_LOCALS(r300); |
| |
| assert(max_index < (1 << 24)); |
| |
| BEGIN_CS(5); |
| OUT_CS_REG(R300_GA_COLOR_CONTROL, |
| r300_provoking_vertex_fixes(r300, mode)); |
| OUT_CS_REG_SEQ(R300_VAP_VF_MAX_VTX_INDX, 2); |
| OUT_CS(max_index); |
| OUT_CS(0); |
| END_CS; |
| } |
| |
| /* This function splits the index bias value into two parts: |
| * - buffer_offset: the value that can be safely added to buffer offsets |
| * in r300_emit_vertex_arrays (it must yield a positive offset when added to |
| * a vertex buffer offset) |
| * - index_offset: the value that must be manually subtracted from indices |
| * in an index buffer to achieve negative offsets. */ |
| static void r300_split_index_bias(struct r300_context *r300, int index_bias, |
| int *buffer_offset, int *index_offset) |
| { |
| struct pipe_vertex_buffer *vb, *vbufs = r300->vertex_buffer; |
| struct pipe_vertex_element *velem = r300->velems->velem; |
| unsigned i, size; |
| int max_neg_bias; |
| |
| if (index_bias < 0) { |
| /* See how large index bias we may subtract. We must be careful |
| * here because negative buffer offsets are not allowed |
| * by the DRM API. */ |
| max_neg_bias = INT_MAX; |
| for (i = 0; i < r300->velems->count; i++) { |
| vb = &vbufs[velem[i].vertex_buffer_index]; |
| size = (vb->buffer_offset + velem[i].src_offset) / vb->stride; |
| max_neg_bias = MIN2(max_neg_bias, size); |
| } |
| |
| /* Now set the minimum allowed value. */ |
| *buffer_offset = MAX2(-max_neg_bias, index_bias); |
| } else { |
| /* A positive index bias is OK. */ |
| *buffer_offset = index_bias; |
| } |
| |
| *index_offset = index_bias - *buffer_offset; |
| } |
| |
| enum r300_prepare_flags { |
| PREP_EMIT_STATES = (1 << 0), /* call emit_dirty_state and friends? */ |
| PREP_VALIDATE_VBOS = (1 << 1), /* validate VBOs? */ |
| PREP_EMIT_VARRAYS = (1 << 2), /* call emit_vertex_arrays? */ |
| PREP_EMIT_VARRAYS_SWTCL = (1 << 3), /* call emit_vertex_arrays_swtcl? */ |
| PREP_INDEXED = (1 << 4) /* is this draw_elements? */ |
| }; |
| |
| /** |
| * Check if the requested number of dwords is available in the CS and |
| * if not, flush. |
| * \param r300 The context. |
| * \param flags See r300_prepare_flags. |
| * \param cs_dwords The number of dwords to reserve in CS. |
| * \return TRUE if the CS was flushed |
| */ |
| static boolean r300_reserve_cs_dwords(struct r300_context *r300, |
| enum r300_prepare_flags flags, |
| unsigned cs_dwords) |
| { |
| boolean flushed = FALSE; |
| boolean emit_states = flags & PREP_EMIT_STATES; |
| boolean emit_vertex_arrays = flags & PREP_EMIT_VARRAYS; |
| boolean emit_vertex_arrays_swtcl = flags & PREP_EMIT_VARRAYS_SWTCL; |
| |
| /* Add dirty state, index offset, and AOS. */ |
| if (emit_states) |
| cs_dwords += r300_get_num_dirty_dwords(r300); |
| |
| if (r300->screen->caps.is_r500) |
| cs_dwords += 2; /* emit_index_offset */ |
| |
| if (emit_vertex_arrays) |
| cs_dwords += 55; /* emit_vertex_arrays */ |
| |
| if (emit_vertex_arrays_swtcl) |
| cs_dwords += 7; /* emit_vertex_arrays_swtcl */ |
| |
| cs_dwords += r300_get_num_cs_end_dwords(r300); |
| |
| /* Reserve requested CS space. */ |
| if (cs_dwords > (RADEON_MAX_CMDBUF_DWORDS - r300->cs->cdw)) { |
| r300_flush(&r300->context, RADEON_FLUSH_ASYNC, NULL); |
| flushed = TRUE; |
| } |
| |
| return flushed; |
| } |
| |
| /** |
| * Validate buffers and emit dirty state. |
| * \param r300 The context. |
| * \param flags See r300_prepare_flags. |
| * \param index_buffer The index buffer to validate. The parameter may be NULL. |
| * \param buffer_offset The offset passed to emit_vertex_arrays. |
| * \param index_bias The index bias to emit. |
| * \param instance_id Index of instance to render |
| * \return TRUE if rendering should be skipped |
| */ |
| static boolean r300_emit_states(struct r300_context *r300, |
| enum r300_prepare_flags flags, |
| struct pipe_resource *index_buffer, |
| int buffer_offset, |
| int index_bias, int instance_id) |
| { |
| boolean emit_states = flags & PREP_EMIT_STATES; |
| boolean emit_vertex_arrays = flags & PREP_EMIT_VARRAYS; |
| boolean emit_vertex_arrays_swtcl = flags & PREP_EMIT_VARRAYS_SWTCL; |
| boolean indexed = flags & PREP_INDEXED; |
| boolean validate_vbos = flags & PREP_VALIDATE_VBOS; |
| |
| /* Validate buffers and emit dirty state if needed. */ |
| if (emit_states || (emit_vertex_arrays && validate_vbos)) { |
| if (!r300_emit_buffer_validate(r300, validate_vbos, |
| index_buffer)) { |
| fprintf(stderr, "r300: CS space validation failed. " |
| "(not enough memory?) Skipping rendering.\n"); |
| return FALSE; |
| } |
| } |
| |
| if (emit_states) |
| r300_emit_dirty_state(r300); |
| |
| if (r300->screen->caps.is_r500) { |
| if (r300->screen->caps.has_tcl) |
| r500_emit_index_bias(r300, index_bias); |
| else |
| r500_emit_index_bias(r300, 0); |
| } |
| |
| if (emit_vertex_arrays && |
| (r300->vertex_arrays_dirty || |
| r300->vertex_arrays_indexed != indexed || |
| r300->vertex_arrays_offset != buffer_offset || |
| r300->vertex_arrays_instance_id != instance_id)) { |
| r300_emit_vertex_arrays(r300, buffer_offset, indexed, instance_id); |
| |
| r300->vertex_arrays_dirty = FALSE; |
| r300->vertex_arrays_indexed = indexed; |
| r300->vertex_arrays_offset = buffer_offset; |
| r300->vertex_arrays_instance_id = instance_id; |
| } |
| |
| if (emit_vertex_arrays_swtcl) |
| r300_emit_vertex_arrays_swtcl(r300, indexed); |
| |
| return TRUE; |
| } |
| |
| /** |
| * Check if the requested number of dwords is available in the CS and |
| * if not, flush. Then validate buffers and emit dirty state. |
| * \param r300 The context. |
| * \param flags See r300_prepare_flags. |
| * \param index_buffer The index buffer to validate. The parameter may be NULL. |
| * \param cs_dwords The number of dwords to reserve in CS. |
| * \param buffer_offset The offset passed to emit_vertex_arrays. |
| * \param index_bias The index bias to emit. |
| * \param instance_id The instance to render. |
| * \return TRUE if rendering should be skipped |
| */ |
| static boolean r300_prepare_for_rendering(struct r300_context *r300, |
| enum r300_prepare_flags flags, |
| struct pipe_resource *index_buffer, |
| unsigned cs_dwords, |
| int buffer_offset, |
| int index_bias, |
| int instance_id) |
| { |
| /* Make sure there is enough space in the command stream and emit states. */ |
| if (r300_reserve_cs_dwords(r300, flags, cs_dwords)) |
| flags |= PREP_EMIT_STATES; |
| |
| return r300_emit_states(r300, flags, index_buffer, buffer_offset, |
| index_bias, instance_id); |
| } |
| |
| static boolean immd_is_good_idea(struct r300_context *r300, |
| unsigned count) |
| { |
| if (DBG_ON(r300, DBG_NO_IMMD)) { |
| return FALSE; |
| } |
| |
| if (count * r300->velems->vertex_size_dwords > IMMD_DWORDS) { |
| return FALSE; |
| } |
| |
| /* Buffers can only be used for read by r300 (except query buffers, but |
| * those can't be bound by a state tracker as vertex buffers). */ |
| return TRUE; |
| } |
| |
| /***************************************************************************** |
| * The HWTCL draw functions. * |
| ****************************************************************************/ |
| |
| static void r300_draw_arrays_immediate(struct r300_context *r300, |
| const struct pipe_draw_info *info) |
| { |
| struct pipe_vertex_element* velem; |
| struct pipe_vertex_buffer* vbuf; |
| unsigned vertex_element_count = r300->velems->count; |
| unsigned i, v, vbi; |
| |
| /* Size of the vertex, in dwords. */ |
| unsigned vertex_size = r300->velems->vertex_size_dwords; |
| |
| /* The number of dwords for this draw operation. */ |
| unsigned dwords = 4 + info->count * vertex_size; |
| |
| /* Size of the vertex element, in dwords. */ |
| unsigned size[PIPE_MAX_ATTRIBS]; |
| |
| /* Stride to the same attrib in the next vertex in the vertex buffer, |
| * in dwords. */ |
| unsigned stride[PIPE_MAX_ATTRIBS]; |
| |
| /* Mapped vertex buffers. */ |
| uint32_t* map[PIPE_MAX_ATTRIBS] = {0}; |
| uint32_t* mapelem[PIPE_MAX_ATTRIBS]; |
| |
| CS_LOCALS(r300); |
| |
| if (!r300_prepare_for_rendering(r300, PREP_EMIT_STATES, NULL, dwords, 0, 0, -1)) |
| return; |
| |
| /* Calculate the vertex size, offsets, strides etc. and map the buffers. */ |
| for (i = 0; i < vertex_element_count; i++) { |
| velem = &r300->velems->velem[i]; |
| size[i] = r300->velems->format_size[i] / 4; |
| vbi = velem->vertex_buffer_index; |
| vbuf = &r300->vertex_buffer[vbi]; |
| stride[i] = vbuf->stride / 4; |
| |
| /* Map the buffer. */ |
| if (!map[vbi]) { |
| map[vbi] = (uint32_t*)r300->rws->buffer_map( |
| r300_resource(vbuf->buffer)->cs_buf, |
| r300->cs, PIPE_TRANSFER_READ | PIPE_TRANSFER_UNSYNCHRONIZED); |
| map[vbi] += (vbuf->buffer_offset / 4) + stride[i] * info->start; |
| } |
| mapelem[i] = map[vbi] + (velem->src_offset / 4); |
| } |
| |
| r300_emit_draw_init(r300, info->mode, info->count-1); |
| |
| BEGIN_CS(dwords); |
| OUT_CS_REG(R300_VAP_VTX_SIZE, vertex_size); |
| OUT_CS_PKT3(R300_PACKET3_3D_DRAW_IMMD_2, info->count * vertex_size); |
| OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_EMBEDDED | (info->count << 16) | |
| r300_translate_primitive(info->mode)); |
| |
| /* Emit vertices. */ |
| for (v = 0; v < info->count; v++) { |
| for (i = 0; i < vertex_element_count; i++) { |
| OUT_CS_TABLE(&mapelem[i][stride[i] * v], size[i]); |
| } |
| } |
| END_CS; |
| |
| /* Unmap buffers. */ |
| for (i = 0; i < vertex_element_count; i++) { |
| vbi = r300->velems->velem[i].vertex_buffer_index; |
| |
| if (map[vbi]) { |
| r300->rws->buffer_unmap(r300_resource(r300->vertex_buffer[vbi].buffer)->cs_buf); |
| map[vbi] = NULL; |
| } |
| } |
| } |
| |
| static void r300_emit_draw_arrays(struct r300_context *r300, |
| unsigned mode, |
| unsigned count) |
| { |
| boolean alt_num_verts = count > 65535; |
| CS_LOCALS(r300); |
| |
| if (count >= (1 << 24)) { |
| fprintf(stderr, "r300: Got a huge number of vertices: %i, " |
| "refusing to render.\n", count); |
| return; |
| } |
| |
| r300_emit_draw_init(r300, mode, count-1); |
| |
| BEGIN_CS(2 + (alt_num_verts ? 2 : 0)); |
| if (alt_num_verts) { |
| OUT_CS_REG(R500_VAP_ALT_NUM_VERTICES, count); |
| } |
| 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) | |
| (alt_num_verts ? R500_VAP_VF_CNTL__USE_ALT_NUM_VERTS : 0)); |
| END_CS; |
| } |
| |
| static void r300_emit_draw_elements(struct r300_context *r300, |
| struct pipe_resource* indexBuffer, |
| unsigned indexSize, |
| unsigned max_index, |
| unsigned mode, |
| unsigned start, |
| unsigned count, |
| uint16_t *imm_indices3) |
| { |
| uint32_t count_dwords, offset_dwords; |
| boolean alt_num_verts = count > 65535; |
| CS_LOCALS(r300); |
| |
| if (count >= (1 << 24)) { |
| fprintf(stderr, "r300: Got a huge number of vertices: %i, " |
| "refusing to render (max_index: %i).\n", count, max_index); |
| return; |
| } |
| |
| DBG(r300, DBG_DRAW, "r300: Indexbuf of %u indices, max %u\n", |
| count, max_index); |
| |
| r300_emit_draw_init(r300, mode, max_index); |
| |
| /* If start is odd, render the first triangle with indices embedded |
| * in the command stream. This will increase start by 3 and make it |
| * even. We can then proceed without a fallback. */ |
| if (indexSize == 2 && (start & 1) && |
| mode == PIPE_PRIM_TRIANGLES) { |
| BEGIN_CS(4); |
| OUT_CS_PKT3(R300_PACKET3_3D_DRAW_INDX_2, 2); |
| OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (3 << 16) | |
| R300_VAP_VF_CNTL__PRIM_TRIANGLES); |
| OUT_CS(imm_indices3[1] << 16 | imm_indices3[0]); |
| OUT_CS(imm_indices3[2]); |
| END_CS; |
| |
| start += 3; |
| count -= 3; |
| if (!count) |
| return; |
| } |
| |
| offset_dwords = indexSize * start / sizeof(uint32_t); |
| |
| BEGIN_CS(8 + (alt_num_verts ? 2 : 0)); |
| if (alt_num_verts) { |
| OUT_CS_REG(R500_VAP_ALT_NUM_VERTICES, count); |
| } |
| OUT_CS_PKT3(R300_PACKET3_3D_DRAW_INDX_2, 0); |
| if (indexSize == 4) { |
| count_dwords = count; |
| OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (count << 16) | |
| R300_VAP_VF_CNTL__INDEX_SIZE_32bit | |
| r300_translate_primitive(mode) | |
| (alt_num_verts ? R500_VAP_VF_CNTL__USE_ALT_NUM_VERTS : 0)); |
| } else { |
| count_dwords = (count + 1) / 2; |
| OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (count << 16) | |
| r300_translate_primitive(mode) | |
| (alt_num_verts ? R500_VAP_VF_CNTL__USE_ALT_NUM_VERTS : 0)); |
| } |
| |
| 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 << 2); |
| OUT_CS(count_dwords); |
| OUT_CS_RELOC(r300_resource(indexBuffer)); |
| END_CS; |
| } |
| |
| static void r300_draw_elements_immediate(struct r300_context *r300, |
| const struct pipe_draw_info *info) |
| { |
| const uint8_t *ptr1; |
| const uint16_t *ptr2; |
| const uint32_t *ptr4; |
| unsigned index_size = r300->index_buffer.index_size; |
| unsigned i, count_dwords = index_size == 4 ? info->count : |
| (info->count + 1) / 2; |
| CS_LOCALS(r300); |
| |
| /* 19 dwords for r300_draw_elements_immediate. Give up if the function fails. */ |
| if (!r300_prepare_for_rendering(r300, |
| PREP_EMIT_STATES | PREP_VALIDATE_VBOS | PREP_EMIT_VARRAYS | |
| PREP_INDEXED, NULL, 2+count_dwords, 0, info->index_bias, -1)) |
| return; |
| |
| r300_emit_draw_init(r300, info->mode, info->max_index); |
| |
| BEGIN_CS(2 + count_dwords); |
| OUT_CS_PKT3(R300_PACKET3_3D_DRAW_INDX_2, count_dwords); |
| |
| switch (index_size) { |
| case 1: |
| ptr1 = (uint8_t*)r300->index_buffer.user_buffer; |
| ptr1 += info->start; |
| |
| OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (info->count << 16) | |
| r300_translate_primitive(info->mode)); |
| |
| if (info->index_bias && !r300->screen->caps.is_r500) { |
| for (i = 0; i < info->count-1; i += 2) |
| OUT_CS(((ptr1[i+1] + info->index_bias) << 16) | |
| (ptr1[i] + info->index_bias)); |
| |
| if (info->count & 1) |
| OUT_CS(ptr1[i] + info->index_bias); |
| } else { |
| for (i = 0; i < info->count-1; i += 2) |
| OUT_CS(((ptr1[i+1]) << 16) | |
| (ptr1[i] )); |
| |
| if (info->count & 1) |
| OUT_CS(ptr1[i]); |
| } |
| break; |
| |
| case 2: |
| ptr2 = (uint16_t*)r300->index_buffer.user_buffer; |
| ptr2 += info->start; |
| |
| OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (info->count << 16) | |
| r300_translate_primitive(info->mode)); |
| |
| if (info->index_bias && !r300->screen->caps.is_r500) { |
| for (i = 0; i < info->count-1; i += 2) |
| OUT_CS(((ptr2[i+1] + info->index_bias) << 16) | |
| (ptr2[i] + info->index_bias)); |
| |
| if (info->count & 1) |
| OUT_CS(ptr2[i] + info->index_bias); |
| } else { |
| OUT_CS_TABLE(ptr2, count_dwords); |
| } |
| break; |
| |
| case 4: |
| ptr4 = (uint32_t*)r300->index_buffer.user_buffer; |
| ptr4 += info->start; |
| |
| OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (info->count << 16) | |
| R300_VAP_VF_CNTL__INDEX_SIZE_32bit | |
| r300_translate_primitive(info->mode)); |
| |
| if (info->index_bias && !r300->screen->caps.is_r500) { |
| for (i = 0; i < info->count; i++) |
| OUT_CS(ptr4[i] + info->index_bias); |
| } else { |
| OUT_CS_TABLE(ptr4, count_dwords); |
| } |
| break; |
| } |
| END_CS; |
| } |
| |
| static void r300_draw_elements(struct r300_context *r300, |
| const struct pipe_draw_info *info, |
| int instance_id) |
| { |
| struct pipe_resource *indexBuffer = r300->index_buffer.buffer; |
| unsigned indexSize = r300->index_buffer.index_size; |
| struct pipe_resource* orgIndexBuffer = indexBuffer; |
| unsigned start = info->start; |
| unsigned count = info->count; |
| boolean alt_num_verts = r300->screen->caps.is_r500 && |
| count > 65536; |
| unsigned short_count; |
| int buffer_offset = 0, index_offset = 0; /* for index bias emulation */ |
| uint16_t indices3[3]; |
| |
| if (info->index_bias && !r300->screen->caps.is_r500) { |
| r300_split_index_bias(r300, info->index_bias, &buffer_offset, |
| &index_offset); |
| } |
| |
| r300_translate_index_buffer(r300, &r300->index_buffer, &indexBuffer, |
| &indexSize, index_offset, &start, count); |
| |
| /* Fallback for misaligned ushort indices. */ |
| if (indexSize == 2 && (start & 1) && indexBuffer) { |
| /* If we got here, then orgIndexBuffer == indexBuffer. */ |
| uint16_t *ptr = r300->rws->buffer_map(r300_resource(orgIndexBuffer)->cs_buf, |
| r300->cs, |
| PIPE_TRANSFER_READ | |
| PIPE_TRANSFER_UNSYNCHRONIZED); |
| |
| if (info->mode == PIPE_PRIM_TRIANGLES) { |
| memcpy(indices3, ptr + start, 6); |
| } else { |
| /* Copy the mapped index buffer directly to the upload buffer. |
| * The start index will be aligned simply from the fact that |
| * every sub-buffer in the upload buffer is aligned. */ |
| r300_upload_index_buffer(r300, &indexBuffer, indexSize, &start, |
| count, (uint8_t*)ptr); |
| } |
| r300->rws->buffer_unmap(r300_resource(orgIndexBuffer)->cs_buf); |
| } else { |
| if (r300->index_buffer.user_buffer) |
| r300_upload_index_buffer(r300, &indexBuffer, indexSize, |
| &start, count, |
| r300->index_buffer.user_buffer); |
| } |
| |
| /* 19 dwords for emit_draw_elements. Give up if the function fails. */ |
| if (!r300_prepare_for_rendering(r300, |
| PREP_EMIT_STATES | PREP_VALIDATE_VBOS | PREP_EMIT_VARRAYS | |
| PREP_INDEXED, indexBuffer, 19, buffer_offset, info->index_bias, |
| instance_id)) |
| goto done; |
| |
| if (alt_num_verts || count <= 65535) { |
| r300_emit_draw_elements(r300, indexBuffer, indexSize, |
| info->max_index, info->mode, start, count, |
| indices3); |
| } else { |
| do { |
| /* The maximum must be divisible by 4 and 3, |
| * so that quad and triangle lists are split correctly. |
| * |
| * Strips, loops, and fans won't work. */ |
| short_count = MIN2(count, 65532); |
| |
| r300_emit_draw_elements(r300, indexBuffer, indexSize, |
| info->max_index, |
| info->mode, start, short_count, indices3); |
| |
| start += short_count; |
| count -= short_count; |
| |
| /* 15 dwords for emit_draw_elements */ |
| if (count) { |
| if (!r300_prepare_for_rendering(r300, |
| PREP_VALIDATE_VBOS | PREP_EMIT_VARRAYS | PREP_INDEXED, |
| indexBuffer, 19, buffer_offset, info->index_bias, |
| instance_id)) |
| goto done; |
| } |
| } while (count); |
| } |
| |
| done: |
| if (indexBuffer != orgIndexBuffer) { |
| pipe_resource_reference( &indexBuffer, NULL ); |
| } |
| } |
| |
| static void r300_draw_arrays(struct r300_context *r300, |
| const struct pipe_draw_info *info, |
| int instance_id) |
| { |
| boolean alt_num_verts = r300->screen->caps.is_r500 && |
| info->count > 65536; |
| unsigned start = info->start; |
| unsigned count = info->count; |
| unsigned short_count; |
| |
| /* 9 spare dwords for emit_draw_arrays. Give up if the function fails. */ |
| if (!r300_prepare_for_rendering(r300, |
| PREP_EMIT_STATES | PREP_VALIDATE_VBOS | PREP_EMIT_VARRAYS, |
| NULL, 9, start, 0, instance_id)) |
| return; |
| |
| if (alt_num_verts || count <= 65535) { |
| r300_emit_draw_arrays(r300, info->mode, count); |
| } else { |
| do { |
| /* The maximum must be divisible by 4 and 3, |
| * so that quad and triangle lists are split correctly. |
| * |
| * Strips, loops, and fans won't work. */ |
| short_count = MIN2(count, 65532); |
| r300_emit_draw_arrays(r300, info->mode, short_count); |
| |
| start += short_count; |
| count -= short_count; |
| |
| /* 9 spare dwords for emit_draw_arrays. Give up if the function fails. */ |
| if (count) { |
| if (!r300_prepare_for_rendering(r300, |
| PREP_VALIDATE_VBOS | PREP_EMIT_VARRAYS, NULL, 9, |
| start, 0, instance_id)) |
| return; |
| } |
| } while (count); |
| } |
| } |
| |
| static void r300_draw_arrays_instanced(struct r300_context *r300, |
| const struct pipe_draw_info *info) |
| { |
| int i; |
| |
| for (i = 0; i < info->instance_count; i++) |
| r300_draw_arrays(r300, info, i); |
| } |
| |
| static void r300_draw_elements_instanced(struct r300_context *r300, |
| const struct pipe_draw_info *info) |
| { |
| int i; |
| |
| for (i = 0; i < info->instance_count; i++) |
| r300_draw_elements(r300, info, i); |
| } |
| |
| static unsigned r300_max_vertex_count(struct r300_context *r300) |
| { |
| unsigned i, nr = r300->velems->count; |
| struct pipe_vertex_element *velems = r300->velems->velem; |
| unsigned result = ~0; |
| |
| for (i = 0; i < nr; i++) { |
| struct pipe_vertex_buffer *vb = |
| &r300->vertex_buffer[velems[i].vertex_buffer_index]; |
| unsigned size, max_count, value; |
| |
| /* We're not interested in constant and per-instance attribs. */ |
| if (!vb->buffer || |
| !vb->stride || |
| velems[i].instance_divisor) { |
| continue; |
| } |
| |
| size = vb->buffer->width0; |
| |
| /* Subtract buffer_offset. */ |
| value = vb->buffer_offset; |
| if (value >= size) { |
| return 0; |
| } |
| size -= value; |
| |
| /* Subtract src_offset. */ |
| value = velems[i].src_offset; |
| if (value >= size) { |
| return 0; |
| } |
| size -= value; |
| |
| /* Subtract format_size. */ |
| value = r300->velems->format_size[i]; |
| if (value >= size) { |
| return 0; |
| } |
| size -= value; |
| |
| /* Compute the max count. */ |
| max_count = 1 + size / vb->stride; |
| result = MIN2(result, max_count); |
| } |
| return result; |
| } |
| |
| |
| static void r300_draw_vbo(struct pipe_context* pipe, |
| const struct pipe_draw_info *dinfo) |
| { |
| struct r300_context* r300 = r300_context(pipe); |
| struct pipe_draw_info info = *dinfo; |
| |
| info.indexed = info.indexed; |
| |
| if (r300->skip_rendering || |
| !u_trim_pipe_prim(info.mode, &info.count)) { |
| return; |
| } |
| |
| r300_update_derived_state(r300); |
| |
| /* Draw. */ |
| if (info.indexed) { |
| unsigned max_count = r300_max_vertex_count(r300); |
| |
| if (!max_count) { |
| fprintf(stderr, "r300: Skipping a draw command. There is a buffer " |
| " which is too small to be used for rendering.\n"); |
| return; |
| } |
| |
| if (max_count == ~0) { |
| /* There are no per-vertex vertex elements. Use the hardware maximum. */ |
| max_count = 0xffffff; |
| } |
| |
| info.max_index = max_count - 1; |
| info.start += r300->index_buffer.offset / r300->index_buffer.index_size; |
| |
| if (info.instance_count <= 1) { |
| if (info.count <= 8 && |
| r300->index_buffer.user_buffer) { |
| r300_draw_elements_immediate(r300, &info); |
| } else { |
| r300_draw_elements(r300, &info, -1); |
| } |
| } else { |
| r300_draw_elements_instanced(r300, &info); |
| } |
| } else { |
| if (info.instance_count <= 1) { |
| if (immd_is_good_idea(r300, info.count)) { |
| r300_draw_arrays_immediate(r300, &info); |
| } else { |
| r300_draw_arrays(r300, &info, -1); |
| } |
| } else { |
| r300_draw_arrays_instanced(r300, &info); |
| } |
| } |
| } |
| |
| /**************************************************************************** |
| * 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 elements, using Draw. */ |
| static void r300_swtcl_draw_vbo(struct pipe_context* pipe, |
| const struct pipe_draw_info *info) |
| { |
| struct r300_context* r300 = r300_context(pipe); |
| boolean indexed = info->indexed; |
| |
| if (r300->skip_rendering) { |
| return; |
| } |
| |
| r300_update_derived_state(r300); |
| |
| r300_reserve_cs_dwords(r300, |
| PREP_EMIT_STATES | PREP_EMIT_VARRAYS_SWTCL | |
| (indexed ? PREP_INDEXED : 0), |
| indexed ? 256 : 6); |
| |
| r300->draw_vbo_locked = TRUE; |
| r300->draw_first_emitted = FALSE; |
| draw_vbo(r300->draw, info); |
| draw_flush(r300->draw); |
| r300->draw_vbo_locked = FALSE; |
| } |
| |
| /* 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 */ |
| size_t vbo_max_used; |
| void * vbo_ptr; |
| |
| struct pipe_transfer *vbo_transfer; |
| }; |
| |
| 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; |
| |
| return &r300->vertex_info; |
| } |
| |
| 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; |
| |
| DBG(r300, DBG_DRAW, "r300: render_allocate_vertices (size: %d)\n", size); |
| |
| if (size + r300->draw_vbo_offset > r300->draw_vbo_size) |
| { |
| pipe_resource_reference(&r300->vbo, NULL); |
| r300->vbo = pipe_buffer_create(screen, |
| PIPE_BIND_CUSTOM, |
| PIPE_USAGE_STREAM, |
| R300_MAX_DRAW_VBO_SIZE); |
| r300->draw_vbo_offset = 0; |
| r300->draw_vbo_size = R300_MAX_DRAW_VBO_SIZE; |
| } |
| |
| r300render->vertex_size = vertex_size; |
| |
| return (r300->vbo) ? TRUE : FALSE; |
| } |
| |
| static void* r300_render_map_vertices(struct vbuf_render* render) |
| { |
| struct r300_render* r300render = r300_render(render); |
| struct r300_context* r300 = r300render->r300; |
| |
| assert(!r300render->vbo_transfer); |
| |
| DBG(r300, DBG_DRAW, "r300: render_map_vertices\n"); |
| |
| r300render->vbo_ptr = pipe_buffer_map(&r300render->r300->context, |
| r300->vbo, |
| PIPE_TRANSFER_WRITE | |
| PIPE_TRANSFER_UNSYNCHRONIZED, |
| &r300render->vbo_transfer); |
| |
| assert(r300render->vbo_ptr); |
| |
| return ((uint8_t*)r300render->vbo_ptr + r300->draw_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_context* context = &r300render->r300->context; |
| struct r300_context* r300 = r300render->r300; |
| |
| assert(r300render->vbo_transfer); |
| |
| DBG(r300, DBG_DRAW, "r300: render_unmap_vertices\n"); |
| |
| r300render->vbo_max_used = MAX2(r300render->vbo_max_used, |
| r300render->vertex_size * (max + 1)); |
| pipe_buffer_unmap(context, r300render->vbo_transfer); |
| |
| r300render->vbo_transfer = NULL; |
| } |
| |
| static void r300_render_release_vertices(struct vbuf_render* render) |
| { |
| struct r300_render* r300render = r300_render(render); |
| struct r300_context* r300 = r300render->r300; |
| |
| DBG(r300, DBG_DRAW, "r300: render_release_vertices\n"); |
| |
| r300->draw_vbo_offset += r300render->vbo_max_used; |
| r300render->vbo_max_used = 0; |
| } |
| |
| static void 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); |
| } |
| |
| 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; |
| uint8_t* ptr; |
| unsigned i; |
| unsigned dwords = 6; |
| |
| CS_LOCALS(r300); |
| (void) i; (void) ptr; |
| |
| DBG(r300, DBG_DRAW, "r300: render_draw_arrays (count: %d)\n", count); |
| |
| if (r300->draw_first_emitted) { |
| if (!r300_prepare_for_rendering(r300, |
| PREP_EMIT_STATES | PREP_EMIT_VARRAYS_SWTCL, |
| NULL, dwords, 0, 0, -1)) |
| return; |
| } else { |
| if (!r300_emit_states(r300, |
| PREP_EMIT_STATES | PREP_EMIT_VARRAYS_SWTCL, |
| NULL, 0, 0, -1)) |
| return; |
| } |
| |
| BEGIN_CS(dwords); |
| OUT_CS_REG(R300_GA_COLOR_CONTROL, |
| r300_provoking_vertex_fixes(r300, r300render->prim)); |
| 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) | |
| r300render->hwprim); |
| END_CS; |
| |
| r300->draw_first_emitted = TRUE; |
| } |
| |
| static void r300_render_draw_elements(struct vbuf_render* render, |
| const ushort* indices, |
| uint count) |
| { |
| struct r300_render* r300render = r300_render(render); |
| struct r300_context* r300 = r300render->r300; |
| int i; |
| unsigned end_cs_dwords; |
| unsigned max_index = (r300->draw_vbo_size - r300->draw_vbo_offset) / |
| (r300render->r300->vertex_info.size * 4) - 1; |
| unsigned short_count; |
| unsigned free_dwords; |
| |
| CS_LOCALS(r300); |
| DBG(r300, DBG_DRAW, "r300: render_draw_elements (count: %d)\n", count); |
| |
| if (r300->draw_first_emitted) { |
| if (!r300_prepare_for_rendering(r300, |
| PREP_EMIT_STATES | PREP_EMIT_VARRAYS_SWTCL | PREP_INDEXED, |
| NULL, 256, 0, 0, -1)) |
| return; |
| } else { |
| if (!r300_emit_states(r300, |
| PREP_EMIT_STATES | PREP_EMIT_VARRAYS_SWTCL | PREP_INDEXED, |
| NULL, 0, 0, -1)) |
| return; |
| } |
| |
| /* Below we manage the CS space manually because there may be more |
| * indices than it can fit in CS. */ |
| |
| end_cs_dwords = r300_get_num_cs_end_dwords(r300); |
| |
| while (count) { |
| free_dwords = RADEON_MAX_CMDBUF_DWORDS - r300->cs->cdw; |
| |
| short_count = MIN2(count, (free_dwords - end_cs_dwords - 6) * 2); |
| |
| BEGIN_CS(6 + (short_count+1)/2); |
| OUT_CS_REG(R300_GA_COLOR_CONTROL, |
| r300_provoking_vertex_fixes(r300, r300render->prim)); |
| OUT_CS_REG(R300_VAP_VF_MAX_VTX_INDX, max_index); |
| OUT_CS_PKT3(R300_PACKET3_3D_DRAW_INDX_2, (short_count+1)/2); |
| OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (short_count << 16) | |
| r300render->hwprim); |
| for (i = 0; i < short_count-1; i += 2) { |
| OUT_CS(indices[i+1] << 16 | indices[i]); |
| } |
| if (short_count % 2) { |
| OUT_CS(indices[short_count-1]); |
| } |
| END_CS; |
| |
| /* OK now subtract the emitted indices and see if we need to emit |
| * another draw packet. */ |
| indices += short_count; |
| count -= short_count; |
| |
| if (count) { |
| if (!r300_prepare_for_rendering(r300, |
| PREP_EMIT_VARRAYS_SWTCL | PREP_INDEXED, |
| NULL, 256, 0, 0, -1)) |
| return; |
| |
| end_cs_dwords = r300_get_num_cs_end_dwords(r300); |
| } |
| } |
| |
| r300->draw_first_emitted = TRUE; |
| } |
| |
| 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; |
| |
| r300render->base.max_vertex_buffer_bytes = 1024 * 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_elements = r300_render_draw_elements; |
| r300render->base.draw_arrays = r300_render_draw_arrays; |
| r300render->base.release_vertices = r300_render_release_vertices; |
| r300render->base.destroy = r300_render_destroy; |
| |
| 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; |
| } |
| |
| void r300_draw_flush_vbuf(struct r300_context *r300) |
| { |
| pipe_resource_reference(&r300->vbo, NULL); |
| r300->draw_vbo_size = 0; |
| } |
| |
| /**************************************************************************** |
| * End of SW TCL functions * |
| ***************************************************************************/ |
| |
| /* This functions is used to draw a rectangle for the blitter module. |
| * |
| * If we rendered a quad, the pixels on the main diagonal |
| * would be computed and stored twice, which makes the clear/copy codepaths |
| * somewhat inefficient. Instead we use a rectangular point sprite. */ |
| void r300_blitter_draw_rectangle(struct blitter_context *blitter, |
| unsigned x1, unsigned y1, |
| unsigned x2, unsigned y2, |
| float depth, |
| enum blitter_attrib_type type, |
| const union pipe_color_union *attrib) |
| { |
| struct r300_context *r300 = r300_context(util_blitter_get_pipe(blitter)); |
| unsigned last_sprite_coord_enable = r300->sprite_coord_enable; |
| unsigned width = x2 - x1; |
| unsigned height = y2 - y1; |
| unsigned vertex_size = |
| type == UTIL_BLITTER_ATTRIB_COLOR || !r300->draw ? 8 : 4; |
| unsigned dwords = 13 + vertex_size + |
| (type == UTIL_BLITTER_ATTRIB_TEXCOORD ? 7 : 0); |
| static const union pipe_color_union zeros; |
| CS_LOCALS(r300); |
| |
| if (r300->skip_rendering) |
| return; |
| |
| r300->context.set_vertex_buffers(&r300->context, 0, NULL); |
| |
| if (type == UTIL_BLITTER_ATTRIB_TEXCOORD) |
| r300->sprite_coord_enable = 1; |
| |
| r300_update_derived_state(r300); |
| |
| /* Mark some states we don't care about as non-dirty. */ |
| r300->viewport_state.dirty = FALSE; |
| |
| if (!r300_prepare_for_rendering(r300, PREP_EMIT_STATES, NULL, dwords, 0, 0, -1)) |
| goto done; |
| |
| DBG(r300, DBG_DRAW, "r300: draw_rectangle\n"); |
| |
| BEGIN_CS(dwords); |
| /* Set up GA. */ |
| OUT_CS_REG(R300_GA_POINT_SIZE, (height * 6) | ((width * 6) << 16)); |
| |
| if (type == UTIL_BLITTER_ATTRIB_TEXCOORD) { |
| /* Set up the GA to generate texcoords. */ |
| OUT_CS_REG(R300_GB_ENABLE, R300_GB_POINT_STUFF_ENABLE | |
| (R300_GB_TEX_STR << R300_GB_TEX0_SOURCE_SHIFT)); |
| OUT_CS_REG_SEQ(R300_GA_POINT_S0, 4); |
| OUT_CS_32F(attrib->f[0]); |
| OUT_CS_32F(attrib->f[3]); |
| OUT_CS_32F(attrib->f[2]); |
| OUT_CS_32F(attrib->f[1]); |
| } |
| |
| /* Set up VAP controls. */ |
| OUT_CS_REG(R300_VAP_CLIP_CNTL, R300_CLIP_DISABLE); |
| OUT_CS_REG(R300_VAP_VTE_CNTL, R300_VTX_XY_FMT | R300_VTX_Z_FMT); |
| OUT_CS_REG(R300_VAP_VTX_SIZE, vertex_size); |
| OUT_CS_REG_SEQ(R300_VAP_VF_MAX_VTX_INDX, 2); |
| OUT_CS(1); |
| OUT_CS(0); |
| |
| /* Draw. */ |
| OUT_CS_PKT3(R300_PACKET3_3D_DRAW_IMMD_2, vertex_size); |
| OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_EMBEDDED | (1 << 16) | |
| R300_VAP_VF_CNTL__PRIM_POINTS); |
| |
| OUT_CS_32F(x1 + width * 0.5f); |
| OUT_CS_32F(y1 + height * 0.5f); |
| OUT_CS_32F(depth); |
| OUT_CS_32F(1); |
| |
| if (vertex_size == 8) { |
| if (!attrib) |
| attrib = &zeros; |
| OUT_CS_TABLE(attrib->f, 4); |
| } |
| END_CS; |
| |
| done: |
| /* Restore the state. */ |
| r300_mark_atom_dirty(r300, &r300->rs_state); |
| r300_mark_atom_dirty(r300, &r300->viewport_state); |
| |
| r300->sprite_coord_enable = last_sprite_coord_enable; |
| } |
| |
| static void r300_resource_resolve(struct pipe_context *pipe, |
| const struct pipe_resolve_info *info) |
| { |
| struct r300_context *r300 = r300_context(pipe); |
| struct pipe_surface *srcsurf, *dstsurf, surf_tmpl; |
| struct r300_aa_state *aa = (struct r300_aa_state*)r300->aa_state.state; |
| static const union pipe_color_union color; |
| |
| assert(0 && "Resource resolve is unsupported, invalid call."); |
| |
| memset(&surf_tmpl, 0, sizeof(surf_tmpl)); |
| surf_tmpl.format = info->src.res->format; |
| surf_tmpl.u.tex.first_layer = |
| surf_tmpl.u.tex.last_layer = info->src.layer; |
| srcsurf = pipe->create_surface(pipe, info->src.res, &surf_tmpl); |
| /* XXX Offset both surfaces by x0,y1. */ |
| |
| surf_tmpl.format = info->dst.res->format; |
| surf_tmpl.u.tex.level = info->dst.level; |
| surf_tmpl.u.tex.first_layer = |
| surf_tmpl.u.tex.last_layer = info->dst.layer; |
| dstsurf = pipe->create_surface(pipe, info->dst.res, &surf_tmpl); |
| |
| DBG(r300, DBG_DRAW, "r300: Resolving resource...\n"); |
| |
| /* Enable AA resolve. */ |
| aa->dest = r300_surface(dstsurf); |
| aa->aaresolve_ctl = |
| R300_RB3D_AARESOLVE_CTL_AARESOLVE_MODE_RESOLVE | |
| R300_RB3D_AARESOLVE_CTL_AARESOLVE_ALPHA_AVERAGE; |
| r300->aa_state.size = 10; |
| r300_mark_atom_dirty(r300, &r300->aa_state); |
| |
| /* Resolve the surface. */ |
| /* XXX: y1 < 0 ==> Y flip */ |
| r300->context.clear_render_target(pipe, |
| srcsurf, &color, 0, 0, |
| info->dst.x1 - info->dst.x0, |
| info->dst.y1 - info->dst.y0); |
| |
| /* Disable AA resolve. */ |
| aa->dest = NULL; |
| aa->aaresolve_ctl = 0; |
| r300->aa_state.size = 4; |
| r300_mark_atom_dirty(r300, &r300->aa_state); |
| |
| pipe_surface_reference(&srcsurf, NULL); |
| pipe_surface_reference(&dstsurf, NULL); |
| } |
| |
| void r300_init_render_functions(struct r300_context *r300) |
| { |
| /* Set draw functions based on presence of HW TCL. */ |
| if (r300->screen->caps.has_tcl) { |
| r300->context.draw_vbo = r300_draw_vbo; |
| } else { |
| r300->context.draw_vbo = r300_swtcl_draw_vbo; |
| } |
| |
| r300->context.resource_resolve = r300_resource_resolve; |
| |
| /* Plug in the two-sided stencil reference value fallback if needed. */ |
| if (!r300->screen->caps.is_r500) |
| r300_plug_in_stencil_ref_fallback(r300); |
| } |
