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| /* |
| * Copyright © 2012 Intel Corporation |
| * |
| * 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, sublicense, |
| * 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 NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS 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. |
| * |
| * Authors: |
| * Chris Wilson <chris@chris-wilson.co.uk> |
| * |
| */ |
| |
| #ifdef HAVE_CONFIG_H |
| #include "config.h" |
| #endif |
| |
| #include "sna.h" |
| #include "sna_render.h" |
| #include "sna_render_inline.h" |
| #include "gen4_vertex.h" |
| |
| void gen4_vertex_flush(struct sna *sna) |
| { |
| DBG(("%s[%x] = %d\n", __FUNCTION__, |
| 4*sna->render.vertex_offset, |
| sna->render.vertex_index - sna->render.vertex_start)); |
| |
| assert(sna->render.vertex_offset); |
| assert(sna->render.vertex_index > sna->render.vertex_start); |
| |
| sna->kgem.batch[sna->render.vertex_offset] = |
| sna->render.vertex_index - sna->render.vertex_start; |
| sna->render.vertex_offset = 0; |
| } |
| |
| int gen4_vertex_finish(struct sna *sna) |
| { |
| struct kgem_bo *bo; |
| unsigned int i; |
| unsigned hint, size; |
| |
| DBG(("%s: used=%d / %d\n", __FUNCTION__, |
| sna->render.vertex_used, sna->render.vertex_size)); |
| assert(sna->render.vertex_offset == 0); |
| assert(sna->render.vertex_used); |
| |
| sna_vertex_wait__locked(&sna->render); |
| |
| /* Note: we only need dword alignment (currently) */ |
| |
| bo = sna->render.vbo; |
| if (bo) { |
| for (i = 0; i < sna->render.nvertex_reloc; i++) { |
| DBG(("%s: reloc[%d] = %d\n", __FUNCTION__, |
| i, sna->render.vertex_reloc[i])); |
| |
| sna->kgem.batch[sna->render.vertex_reloc[i]] = |
| kgem_add_reloc(&sna->kgem, |
| sna->render.vertex_reloc[i], bo, |
| I915_GEM_DOMAIN_VERTEX << 16, |
| 0); |
| } |
| |
| assert(!sna->render.active); |
| sna->render.nvertex_reloc = 0; |
| sna->render.vertex_used = 0; |
| sna->render.vertex_index = 0; |
| sna->render.vbo = NULL; |
| sna->render.vb_id = 0; |
| |
| kgem_bo_destroy(&sna->kgem, bo); |
| } |
| |
| hint = CREATE_GTT_MAP; |
| if (bo) |
| hint |= CREATE_CACHED | CREATE_NO_THROTTLE; |
| |
| size = 256*1024; |
| assert(!sna->render.active); |
| sna->render.vertices = NULL; |
| sna->render.vbo = kgem_create_linear(&sna->kgem, size, hint); |
| while (sna->render.vbo == NULL && size > 16*1024) { |
| size /= 2; |
| sna->render.vbo = kgem_create_linear(&sna->kgem, size, hint); |
| } |
| if (sna->render.vbo == NULL) |
| sna->render.vbo = kgem_create_linear(&sna->kgem, |
| 256*1024, CREATE_GTT_MAP); |
| if (sna->render.vbo) |
| sna->render.vertices = kgem_bo_map(&sna->kgem, sna->render.vbo); |
| if (sna->render.vertices == NULL) { |
| if (sna->render.vbo) { |
| kgem_bo_destroy(&sna->kgem, sna->render.vbo); |
| sna->render.vbo = NULL; |
| } |
| sna->render.vertices = sna->render.vertex_data; |
| sna->render.vertex_size = ARRAY_SIZE(sna->render.vertex_data); |
| return 0; |
| } |
| |
| if (sna->render.vertex_used) { |
| DBG(("%s: copying initial buffer x %d to handle=%d\n", |
| __FUNCTION__, |
| sna->render.vertex_used, |
| sna->render.vbo->handle)); |
| assert(sizeof(float)*sna->render.vertex_used <= |
| __kgem_bo_size(sna->render.vbo)); |
| memcpy(sna->render.vertices, |
| sna->render.vertex_data, |
| sizeof(float)*sna->render.vertex_used); |
| } |
| |
| size = __kgem_bo_size(sna->render.vbo)/4; |
| if (size >= UINT16_MAX) |
| size = UINT16_MAX - 1; |
| |
| DBG(("%s: create vbo handle=%d, size=%d\n", |
| __FUNCTION__, sna->render.vbo->handle, size)); |
| |
| sna->render.vertex_size = size; |
| return sna->render.vertex_size - sna->render.vertex_used; |
| } |
| |
| void gen4_vertex_close(struct sna *sna) |
| { |
| struct kgem_bo *bo, *free_bo = NULL; |
| unsigned int i, delta = 0; |
| |
| assert(sna->render.vertex_offset == 0); |
| if (!sna->render.vb_id) |
| return; |
| |
| DBG(("%s: used=%d, vbo active? %d, vb=%x, nreloc=%d\n", |
| __FUNCTION__, sna->render.vertex_used, sna->render.vbo ? sna->render.vbo->handle : 0, |
| sna->render.vb_id, sna->render.nvertex_reloc)); |
| |
| assert(!sna->render.active); |
| |
| bo = sna->render.vbo; |
| if (bo) { |
| if (sna->render.vertex_size - sna->render.vertex_used < 64) { |
| DBG(("%s: discarding vbo (full), handle=%d\n", __FUNCTION__, sna->render.vbo->handle)); |
| sna->render.vbo = NULL; |
| sna->render.vertices = sna->render.vertex_data; |
| sna->render.vertex_size = ARRAY_SIZE(sna->render.vertex_data); |
| free_bo = bo; |
| } else if (IS_CPU_MAP(bo->map) && !sna->kgem.has_llc) { |
| DBG(("%s: converting CPU map to GTT\n", __FUNCTION__)); |
| sna->render.vertices = |
| kgem_bo_map__gtt(&sna->kgem, sna->render.vbo); |
| if (sna->render.vertices == NULL) { |
| sna->render.vbo = NULL; |
| sna->render.vertices = sna->render.vertex_data; |
| sna->render.vertex_size = ARRAY_SIZE(sna->render.vertex_data); |
| free_bo = bo; |
| } |
| |
| } |
| } else { |
| if (sna->kgem.nbatch + sna->render.vertex_used <= sna->kgem.surface) { |
| DBG(("%s: copy to batch: %d @ %d\n", __FUNCTION__, |
| sna->render.vertex_used, sna->kgem.nbatch)); |
| memcpy(sna->kgem.batch + sna->kgem.nbatch, |
| sna->render.vertex_data, |
| sna->render.vertex_used * 4); |
| delta = sna->kgem.nbatch * 4; |
| bo = NULL; |
| sna->kgem.nbatch += sna->render.vertex_used; |
| } else { |
| bo = kgem_create_linear(&sna->kgem, |
| 4*sna->render.vertex_used, |
| CREATE_NO_THROTTLE); |
| if (bo && !kgem_bo_write(&sna->kgem, bo, |
| sna->render.vertex_data, |
| 4*sna->render.vertex_used)) { |
| kgem_bo_destroy(&sna->kgem, bo); |
| bo = NULL; |
| } |
| DBG(("%s: new vbo: %d\n", __FUNCTION__, |
| sna->render.vertex_used)); |
| free_bo = bo; |
| } |
| } |
| |
| assert(sna->render.nvertex_reloc); |
| for (i = 0; i < sna->render.nvertex_reloc; i++) { |
| DBG(("%s: reloc[%d] = %d\n", __FUNCTION__, |
| i, sna->render.vertex_reloc[i])); |
| |
| sna->kgem.batch[sna->render.vertex_reloc[i]] = |
| kgem_add_reloc(&sna->kgem, |
| sna->render.vertex_reloc[i], bo, |
| I915_GEM_DOMAIN_VERTEX << 16, |
| delta); |
| } |
| sna->render.nvertex_reloc = 0; |
| sna->render.vb_id = 0; |
| |
| if (sna->render.vbo == NULL) { |
| assert(!sna->render.active); |
| sna->render.vertex_used = 0; |
| sna->render.vertex_index = 0; |
| assert(sna->render.vertices == sna->render.vertex_data); |
| assert(sna->render.vertex_size == ARRAY_SIZE(sna->render.vertex_data)); |
| } |
| |
| if (free_bo) |
| kgem_bo_destroy(&sna->kgem, free_bo); |
| } |
| |
| fastcall static void |
| emit_primitive_identity_source_mask(struct sna *sna, |
| const struct sna_composite_op *op, |
| const struct sna_composite_rectangles *r) |
| { |
| union { |
| struct sna_coordinate p; |
| float f; |
| } dst; |
| float src_x, src_y; |
| float msk_x, msk_y; |
| float w, h; |
| float *v; |
| |
| src_x = r->src.x + op->src.offset[0]; |
| src_y = r->src.y + op->src.offset[1]; |
| msk_x = r->mask.x + op->mask.offset[0]; |
| msk_y = r->mask.y + op->mask.offset[1]; |
| w = r->width; |
| h = r->height; |
| |
| assert(op->floats_per_rect == 15); |
| assert((sna->render.vertex_used % 5) == 0); |
| v = sna->render.vertices + sna->render.vertex_used; |
| sna->render.vertex_used += 15; |
| |
| dst.p.x = r->dst.x + r->width; |
| dst.p.y = r->dst.y + r->height; |
| v[0] = dst.f; |
| v[1] = (src_x + w) * op->src.scale[0]; |
| v[2] = (src_y + h) * op->src.scale[1]; |
| v[3] = (msk_x + w) * op->mask.scale[0]; |
| v[4] = (msk_y + h) * op->mask.scale[1]; |
| |
| dst.p.x = r->dst.x; |
| v[5] = dst.f; |
| v[6] = src_x * op->src.scale[0]; |
| v[7] = v[2]; |
| v[8] = msk_x * op->mask.scale[0]; |
| v[9] = v[4]; |
| |
| dst.p.y = r->dst.y; |
| v[10] = dst.f; |
| v[11] = v[6]; |
| v[12] = src_y * op->src.scale[1]; |
| v[13] = v[8]; |
| v[14] = msk_y * op->mask.scale[1]; |
| } |
| |
| unsigned gen4_choose_composite_emitter(struct sna_composite_op *tmp) |
| { |
| unsigned vb; |
| |
| if (tmp->mask.bo) { |
| if (tmp->mask.transform == NULL) { |
| if (tmp->src.is_solid) { |
| DBG(("%s: solid, identity mask\n", __FUNCTION__)); |
| } else if (tmp->src.is_linear) { |
| DBG(("%s: linear, identity mask\n", __FUNCTION__)); |
| } else if (tmp->src.transform == NULL) { |
| DBG(("%s: identity source, identity mask\n", __FUNCTION__)); |
| tmp->prim_emit = emit_primitive_identity_source_mask; |
| tmp->floats_per_vertex = 5; |
| vb = 2 << 2 | 2; |
| } else if (tmp->src.is_affine) { |
| DBG(("%s: simple src, identity mask\n", __FUNCTION__)); |
| } else { |
| DBG(("%s: projective source, identity mask\n", __FUNCTION__)); |
| } |
| } else { |
| DBG(("%s: general mask: floats-per-vertex=%d, vb=%x\n", |
| __FUNCTION__,tmp->floats_per_vertex, vb)); |
| } |
| } else { |
| } |
| tmp->floats_per_rect = 3 * tmp->floats_per_vertex; |
| |
| return vb; |
| } |