xa_renderer.c revision 459dd568979a5745d84f8fd2bdff38242ee3c16f
11320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci/********************************************************** 21320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci * Copyright 2009-2011 VMware, Inc. All rights reserved. 31320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci * 41320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci * Permission is hereby granted, free of charge, to any person 51320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci * obtaining a copy of this software and associated documentation 61320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci * files (the "Software"), to deal in the Software without 71320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci * restriction, including without limitation the rights to use, copy, 81320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci * modify, merge, publish, distribute, sublicense, and/or sell copies 91320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci * of the Software, and to permit persons to whom the Software is 101320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci * furnished to do so, subject to the following conditions: 111320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci * 121320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci * The above copyright notice and this permission notice shall be 131320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci * included in all copies or substantial portions of the Software. 141320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci * 151320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 161320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 171320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 181320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 191320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 201320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 211320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 221320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci * SOFTWARE. 231320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci * 241320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci ********************************************************* 251320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci * Authors: 261320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci * Zack Rusin <zackr-at-vmware-dot-com> 271320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci */ 281320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 291320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci#include "xa_context.h" 301320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci#include "xa_priv.h" 311320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci#include <math.h> 321320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci#include "cso_cache/cso_context.h" 331320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci#include "util/u_inlines.h" 341320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci#include "util/u_sampler.h" 351320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci#include "util/u_draw_quad.h" 361320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 371320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci#define floatsEqual(x, y) (fabs(x - y) <= 0.00001f * MIN2(fabs(x), fabs(y))) 381320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci#define floatIsZero(x) (floatsEqual((x) + 1, 1)) 391320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 401320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci#define NUM_COMPONENTS 4 411320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 421320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tuccivoid 431320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 441320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 451320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tuccirenderer_set_constants(struct xa_context *r, 461320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci int shader_type, const float *params, int param_bytes); 471320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 481320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tuccistatic INLINE boolean 491320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucciis_affine(float *matrix) 501320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci{ 511320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci return floatIsZero(matrix[2]) && floatIsZero(matrix[5]) 521320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci && floatsEqual(matrix[8], 1); 531320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci} 541320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 551320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tuccistatic INLINE void 561320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tuccimap_point(float *mat, float x, float y, float *out_x, float *out_y) 571320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci{ 581320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci if (!mat) { 591320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci *out_x = x; 601320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci *out_y = y; 611320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci return; 621320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci } 631320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 641320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci *out_x = mat[0] * x + mat[3] * y + mat[6]; 651320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci *out_y = mat[1] * x + mat[4] * y + mat[7]; 661320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci if (!is_affine(mat)) { 671320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci float w = 1 / (mat[2] * x + mat[5] * y + mat[8]); 681320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 691320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci *out_x *= w; 701320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci *out_y *= w; 711320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci } 721320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci} 731320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 741320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tuccistatic INLINE void 751320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tuccirenderer_draw(struct xa_context *r) 761320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci{ 771320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci int num_verts = r->buffer_size / (r->attrs_per_vertex * NUM_COMPONENTS); 781320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 791320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci if (!r->buffer_size) 801320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci return; 811320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 821320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci cso_set_vertex_elements(r->cso, r->attrs_per_vertex, r->velems); 831320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci util_draw_user_vertex_buffer(r->cso, r->buffer, PIPE_PRIM_QUADS, 841320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci num_verts, /* verts */ 851320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci r->attrs_per_vertex); /* attribs/vert */ 861320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci r->buffer_size = 0; 871320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci} 881320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 891320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tuccistatic INLINE void 901320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tuccirenderer_draw_conditional(struct xa_context *r, int next_batch) 911320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci{ 921320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci if (r->buffer_size + next_batch >= XA_VB_SIZE || 931320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci (next_batch == 0 && r->buffer_size)) { 941320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci renderer_draw(r); 951320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci } 961320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci} 971320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 981320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tuccivoid 991320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tuccirenderer_init_state(struct xa_context *r) 1001320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci{ 1011320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci struct pipe_depth_stencil_alpha_state dsa; 1021320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci struct pipe_rasterizer_state raster; 1031320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci unsigned i; 1041320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 1051320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci /* set common initial clip state */ 1061320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci memset(&dsa, 0, sizeof(struct pipe_depth_stencil_alpha_state)); 1071320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci cso_set_depth_stencil_alpha(r->cso, &dsa); 1081320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 1091320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci /* XXX: move to renderer_init_state? */ 1101320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci memset(&raster, 0, sizeof(struct pipe_rasterizer_state)); 1111320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci raster.gl_rasterization_rules = 1; 1121320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci raster.depth_clip = 1; 1131320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci cso_set_rasterizer(r->cso, &raster); 1141320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 1151320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci /* vertex elements state */ 1161320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci memset(&r->velems[0], 0, sizeof(r->velems[0]) * 3); 1171320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci for (i = 0; i < 3; i++) { 1181320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci r->velems[i].src_offset = i * 4 * sizeof(float); 1191320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci r->velems[i].instance_divisor = 0; 1201320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci r->velems[i].vertex_buffer_index = 0; 1211320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci r->velems[i].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT; 1221320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci } 1231320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci} 1241320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 1251320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tuccistatic INLINE void 1261320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucciadd_vertex_color(struct xa_context *r, float x, float y, float color[4]) 1271320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci{ 1281320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci float *vertex = r->buffer + r->buffer_size; 1291320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 1301320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci vertex[0] = x; 1311320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci vertex[1] = y; 1321320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci vertex[2] = 0.f; /*z */ 1331320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci vertex[3] = 1.f; /*w */ 1341320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 1351320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci vertex[4] = color[0]; /*r */ 1361320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci vertex[5] = color[1]; /*g */ 1371320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci vertex[6] = color[2]; /*b */ 1381320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci vertex[7] = color[3]; /*a */ 1391320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 1401320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci r->buffer_size += 8; 1411320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci} 1421320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 1431320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tuccistatic INLINE void 1441320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucciadd_vertex_1tex(struct xa_context *r, float x, float y, float s, float t) 1451320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci{ 1461320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci float *vertex = r->buffer + r->buffer_size; 1471320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 1481320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci vertex[0] = x; 1491320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci vertex[1] = y; 1501320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci vertex[2] = 0.f; /*z */ 1511320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci vertex[3] = 1.f; /*w */ 1521320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 1531320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci vertex[4] = s; /*s */ 1541320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci vertex[5] = t; /*t */ 1551320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci vertex[6] = 0.f; /*r */ 1561320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci vertex[7] = 1.f; /*q */ 1571320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 1581320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci r->buffer_size += 8; 1591320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci} 1601320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 1611320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tuccistatic INLINE void 1621320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucciadd_vertex_2tex(struct xa_context *r, 1631320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci float x, float y, float s0, float t0, float s1, float t1) 1641320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci{ 1651320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci float *vertex = r->buffer + r->buffer_size; 1661320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 1671320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci vertex[0] = x; 1681320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci vertex[1] = y; 1691320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci vertex[2] = 0.f; /*z */ 1701320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci vertex[3] = 1.f; /*w */ 1711320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 1721320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci vertex[4] = s0; /*s */ 1731320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci vertex[5] = t0; /*t */ 1741320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci vertex[6] = 0.f; /*r */ 1751320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci vertex[7] = 1.f; /*q */ 1761320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 1771320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci vertex[8] = s1; /*s */ 1781320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci vertex[9] = t1; /*t */ 1791320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci vertex[10] = 0.f; /*r */ 1801320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci vertex[11] = 1.f; /*q */ 1811320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 1821320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci r->buffer_size += 12; 1831320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci} 1841320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 1851320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tuccistatic void 1861320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucciadd_vertex_data1(struct xa_context *r, 1871320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci float srcX, float srcY, float dstX, float dstY, 1881320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci float width, float height, 1891320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci struct pipe_resource *src, const float *src_matrix) 1901320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci{ 1911320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci float s0, t0, s1, t1, s2, t2, s3, t3; 1921320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci float pt0[2], pt1[2], pt2[2], pt3[2]; 1931320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 1941320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci pt0[0] = srcX; 1951320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci pt0[1] = srcY; 1961320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci pt1[0] = (srcX + width); 1971320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci pt1[1] = srcY; 1981320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci pt2[0] = (srcX + width); 1991320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci pt2[1] = (srcY + height); 2001320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci pt3[0] = srcX; 2011320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci pt3[1] = (srcY + height); 2021320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 2031320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci if (src_matrix) { 2041320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci map_point((float *)src_matrix, pt0[0], pt0[1], &pt0[0], &pt0[1]); 2051320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci map_point((float *)src_matrix, pt1[0], pt1[1], &pt1[0], &pt1[1]); 2061320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci map_point((float *)src_matrix, pt2[0], pt2[1], &pt2[0], &pt2[1]); 2071320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci map_point((float *)src_matrix, pt3[0], pt3[1], &pt3[0], &pt3[1]); 2081320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci } 2091320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 2101320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci s0 = pt0[0] / src->width0; 2111320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci s1 = pt1[0] / src->width0; 2121320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci s2 = pt2[0] / src->width0; 2131320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci s3 = pt3[0] / src->width0; 2141320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci t0 = pt0[1] / src->height0; 2151320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci t1 = pt1[1] / src->height0; 2161320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci t2 = pt2[1] / src->height0; 2171320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci t3 = pt3[1] / src->height0; 2181320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 2191320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci /* 1st vertex */ 2201320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci add_vertex_1tex(r, dstX, dstY, s0, t0); 2211320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci /* 2nd vertex */ 2221320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci add_vertex_1tex(r, dstX + width, dstY, s1, t1); 2231320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci /* 3rd vertex */ 2241320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci add_vertex_1tex(r, dstX + width, dstY + height, s2, t2); 2251320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci /* 4th vertex */ 2261320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci add_vertex_1tex(r, dstX, dstY + height, s3, t3); 2271320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci} 2281320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 2291320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tuccistatic void 2301320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucciadd_vertex_data2(struct xa_context *r, 2311320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci float srcX, float srcY, float maskX, float maskY, 2321320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci float dstX, float dstY, float width, float height, 2331320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci struct pipe_resource *src, 2341320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci struct pipe_resource *mask, 2351320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci const float *src_matrix, const float *mask_matrix) 2361320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci{ 2371320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci float src_s0, src_t0, src_s1, src_t1; 2381320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci float mask_s0, mask_t0, mask_s1, mask_t1; 2391320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci float spt0[2], spt1[2]; 2401320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci float mpt0[2], mpt1[2]; 2411320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 2421320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci spt0[0] = srcX; 2431320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci spt0[1] = srcY; 2441320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci spt1[0] = srcX + width; 2451320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci spt1[1] = srcY + height; 2461320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 2471320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci mpt0[0] = maskX; 2481320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci mpt0[1] = maskY; 2491320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci mpt1[0] = maskX + width; 2501320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci mpt1[1] = maskY + height; 2511320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 2521320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci if (src_matrix) { 2531320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci map_point((float *)src_matrix, spt0[0], spt0[1], &spt0[0], &spt0[1]); 2541320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci map_point((float *)src_matrix, spt1[0], spt1[1], &spt1[0], &spt1[1]); 2551320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci } 2561320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 2571320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci if (mask_matrix) { 2581320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci map_point((float *)mask_matrix, mpt0[0], mpt0[1], &mpt0[0], &mpt0[1]); 2591320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci map_point((float *)mask_matrix, mpt1[0], mpt1[1], &mpt1[0], &mpt1[1]); 2601320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci } 2611320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 2621320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci src_s0 = spt0[0] / src->width0; 2631320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci src_t0 = spt0[1] / src->height0; 2641320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci src_s1 = spt1[0] / src->width0; 2651320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci src_t1 = spt1[1] / src->height0; 2661320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 2671320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci mask_s0 = mpt0[0] / mask->width0; 2681320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci mask_t0 = mpt0[1] / mask->height0; 2691320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci mask_s1 = mpt1[0] / mask->width0; 2701320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci mask_t1 = mpt1[1] / mask->height0; 2711320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 2721320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci /* 1st vertex */ 2731320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci add_vertex_2tex(r, dstX, dstY, 2741320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci src_s0, src_t0, mask_s0, mask_t0); 2751320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci /* 2nd vertex */ 2761320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci add_vertex_2tex(r, dstX + width, dstY, 2771320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci src_s1, src_t0, mask_s1, mask_t0); 2781320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci /* 3rd vertex */ 2791320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci add_vertex_2tex(r, dstX + width, dstY + height, 2801320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci src_s1, src_t1, mask_s1, mask_t1); 2811320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci /* 4th vertex */ 2821320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci add_vertex_2tex(r, dstX, dstY + height, 283 src_s0, src_t1, mask_s0, mask_t1); 284} 285 286static void 287setup_vertex_data_yuv(struct xa_context *r, 288 float srcX, 289 float srcY, 290 float srcW, 291 float srcH, 292 float dstX, 293 float dstY, 294 float dstW, float dstH, struct xa_surface *srf[]) 295{ 296 float s0, t0, s1, t1; 297 float spt0[2], spt1[2]; 298 struct pipe_resource *tex; 299 300 spt0[0] = srcX; 301 spt0[1] = srcY; 302 spt1[0] = srcX + srcW; 303 spt1[1] = srcY + srcH; 304 305 tex = srf[0]->tex; 306 s0 = spt0[0] / tex->width0; 307 t0 = spt0[1] / tex->height0; 308 s1 = spt1[0] / tex->width0; 309 t1 = spt1[1] / tex->height0; 310 311 /* 1st vertex */ 312 add_vertex_1tex(r, dstX, dstY, s0, t0); 313 /* 2nd vertex */ 314 add_vertex_1tex(r, dstX + dstW, dstY, s1, t0); 315 /* 3rd vertex */ 316 add_vertex_1tex(r, dstX + dstW, dstY + dstH, s1, t1); 317 /* 4th vertex */ 318 add_vertex_1tex(r, dstX, dstY + dstH, s0, t1); 319} 320 321/* Set up framebuffer, viewport and vertex shader constant buffer 322 * state for a particular destinaton surface. In all our rendering, 323 * these concepts are linked. 324 */ 325void 326renderer_bind_destination(struct xa_context *r, 327 struct pipe_surface *surface, int width, int height) 328{ 329 330 struct pipe_framebuffer_state fb; 331 struct pipe_viewport_state viewport; 332 333 /* Framebuffer uses actual surface width/height 334 */ 335 memset(&fb, 0, sizeof fb); 336 fb.width = surface->width; 337 fb.height = surface->height; 338 fb.nr_cbufs = 1; 339 fb.cbufs[0] = surface; 340 fb.zsbuf = 0; 341 342 /* Viewport just touches the bit we're interested in: 343 */ 344 viewport.scale[0] = width / 2.f; 345 viewport.scale[1] = height / 2.f; 346 viewport.scale[2] = 1.0; 347 viewport.scale[3] = 1.0; 348 viewport.translate[0] = width / 2.f; 349 viewport.translate[1] = height / 2.f; 350 viewport.translate[2] = 0.0; 351 viewport.translate[3] = 0.0; 352 353 /* Constant buffer set up to match viewport dimensions: 354 */ 355 if (r->fb_width != width || r->fb_height != height) { 356 float vs_consts[8] = { 357 2.f / width, 2.f / height, 1, 1, 358 -1, -1, 0, 0 359 }; 360 361 r->fb_width = width; 362 r->fb_height = height; 363 364 renderer_set_constants(r, PIPE_SHADER_VERTEX, 365 vs_consts, sizeof vs_consts); 366 } 367 368 cso_set_framebuffer(r->cso, &fb); 369 cso_set_viewport(r->cso, &viewport); 370} 371 372void 373renderer_set_constants(struct xa_context *r, 374 int shader_type, const float *params, int param_bytes) 375{ 376 struct pipe_resource **cbuf = 377 (shader_type == PIPE_SHADER_VERTEX) ? &r->vs_const_buffer : 378 &r->fs_const_buffer; 379 380 pipe_resource_reference(cbuf, NULL); 381 *cbuf = pipe_buffer_create(r->pipe->screen, 382 PIPE_BIND_CONSTANT_BUFFER, PIPE_USAGE_STATIC, 383 param_bytes); 384 385 if (*cbuf) { 386 pipe_buffer_write(r->pipe, *cbuf, 0, param_bytes, params); 387 } 388 pipe_set_constant_buffer(r->pipe, shader_type, 0, *cbuf); 389} 390 391void 392renderer_copy_prepare(struct xa_context *r, 393 struct pipe_surface *dst_surface, 394 struct pipe_resource *src_texture, 395 const enum xa_formats src_xa_format, 396 const enum xa_formats dst_xa_format) 397{ 398 struct pipe_context *pipe = r->pipe; 399 struct pipe_screen *screen = pipe->screen; 400 struct xa_shader shader; 401 uint32_t fs_traits = FS_COMPOSITE; 402 403 assert(screen->is_format_supported(screen, dst_surface->format, 404 PIPE_TEXTURE_2D, 0, 405 PIPE_BIND_RENDER_TARGET)); 406 (void)screen; 407 408 /* set misc state we care about */ 409 { 410 struct pipe_blend_state blend; 411 412 memset(&blend, 0, sizeof(blend)); 413 blend.rt[0].rgb_src_factor = PIPE_BLENDFACTOR_ONE; 414 blend.rt[0].alpha_src_factor = PIPE_BLENDFACTOR_ONE; 415 blend.rt[0].rgb_dst_factor = PIPE_BLENDFACTOR_ZERO; 416 blend.rt[0].alpha_dst_factor = PIPE_BLENDFACTOR_ZERO; 417 blend.rt[0].colormask = PIPE_MASK_RGBA; 418 cso_set_blend(r->cso, &blend); 419 } 420 421 /* sampler */ 422 { 423 struct pipe_sampler_state sampler; 424 425 memset(&sampler, 0, sizeof(sampler)); 426 sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE; 427 sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE; 428 sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE; 429 sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE; 430 sampler.min_img_filter = PIPE_TEX_FILTER_NEAREST; 431 sampler.mag_img_filter = PIPE_TEX_FILTER_NEAREST; 432 sampler.normalized_coords = 1; 433 cso_single_sampler(r->cso, PIPE_SHADER_FRAGMENT, 0, &sampler); 434 cso_single_sampler_done(r->cso, PIPE_SHADER_FRAGMENT); 435 } 436 437 renderer_bind_destination(r, dst_surface, 438 dst_surface->width, dst_surface->height); 439 440 /* texture/sampler view */ 441 { 442 struct pipe_sampler_view templ; 443 struct pipe_sampler_view *src_view; 444 445 u_sampler_view_default_template(&templ, 446 src_texture, src_texture->format); 447 src_view = pipe->create_sampler_view(pipe, src_texture, &templ); 448 cso_set_sampler_views(r->cso, PIPE_SHADER_FRAGMENT, 1, &src_view); 449 pipe_sampler_view_reference(&src_view, NULL); 450 } 451 452 /* shaders */ 453 if (src_texture->format == PIPE_FORMAT_L8_UNORM) 454 fs_traits |= FS_SRC_LUMINANCE; 455 if (dst_surface->format == PIPE_FORMAT_L8_UNORM) 456 fs_traits |= FS_DST_LUMINANCE; 457 if (xa_format_a(dst_xa_format) != 0 && 458 xa_format_a(src_xa_format) == 0) 459 fs_traits |= FS_SRC_SET_ALPHA; 460 461 shader = xa_shaders_get(r->shaders, VS_COMPOSITE, fs_traits); 462 cso_set_vertex_shader_handle(r->cso, shader.vs); 463 cso_set_fragment_shader_handle(r->cso, shader.fs); 464 465 r->buffer_size = 0; 466 r->attrs_per_vertex = 2; 467} 468 469void 470renderer_copy(struct xa_context *r, 471 int dx, 472 int dy, 473 int sx, 474 int sy, 475 int width, int height, float src_width, float src_height) 476{ 477 float s0, t0, s1, t1; 478 float x0, y0, x1, y1; 479 480 /* XXX: could put the texcoord scaling calculation into the vertex 481 * shader. 482 */ 483 s0 = sx / src_width; 484 s1 = (sx + width) / src_width; 485 t0 = sy / src_height; 486 t1 = (sy + height) / src_height; 487 488 x0 = dx; 489 x1 = dx + width; 490 y0 = dy; 491 y1 = dy + height; 492 493 /* draw quad */ 494 renderer_draw_conditional(r, 4 * 8); 495 add_vertex_1tex(r, x0, y0, s0, t0); 496 add_vertex_1tex(r, x1, y0, s1, t0); 497 add_vertex_1tex(r, x1, y1, s1, t1); 498 add_vertex_1tex(r, x0, y1, s0, t1); 499} 500 501void 502renderer_draw_yuv(struct xa_context *r, 503 float src_x, 504 float src_y, 505 float src_w, 506 float src_h, 507 int dst_x, 508 int dst_y, int dst_w, int dst_h, struct xa_surface *srf[]) 509{ 510 const int num_attribs = 2; /*pos + tex coord */ 511 512 setup_vertex_data_yuv(r, 513 src_x, src_y, src_w, src_h, 514 dst_x, dst_y, dst_w, dst_h, srf); 515 516 cso_set_vertex_elements(r->cso, num_attribs, r->velems); 517 util_draw_user_vertex_buffer(r->cso, r->buffer, PIPE_PRIM_QUADS, 518 4, /* verts */ 519 num_attribs); /* attribs/vert */ 520 r->buffer_size = 0; 521} 522 523void 524renderer_begin_solid(struct xa_context *r) 525{ 526 r->buffer_size = 0; 527 r->attrs_per_vertex = 2; 528} 529 530void 531renderer_solid(struct xa_context *r, 532 int x0, int y0, int x1, int y1, float *color) 533{ 534 /* 535 * debug_printf("solid rect[(%d, %d), (%d, %d)], rgba[%f, %f, %f, %f]\n", 536 * x0, y0, x1, y1, color[0], color[1], color[2], color[3]); */ 537 538 renderer_draw_conditional(r, 4 * 8); 539 540 /* 1st vertex */ 541 add_vertex_color(r, x0, y0, color); 542 /* 2nd vertex */ 543 add_vertex_color(r, x1, y0, color); 544 /* 3rd vertex */ 545 add_vertex_color(r, x1, y1, color); 546 /* 4th vertex */ 547 add_vertex_color(r, x0, y1, color); 548} 549 550void 551renderer_draw_flush(struct xa_context *r) 552{ 553 renderer_draw_conditional(r, 0); 554} 555 556void 557renderer_begin_textures(struct xa_context *r) 558{ 559 r->attrs_per_vertex = 1 + r->num_bound_samplers; 560 r->buffer_size = 0; 561} 562 563void 564renderer_texture(struct xa_context *r, 565 int *pos, 566 int width, int height, 567 const float *src_matrix, 568 const float *mask_matrix) 569{ 570 struct pipe_sampler_view **sampler_view = r->bound_sampler_views; 571 572#if 0 573 if (src_matrix) { 574 debug_printf("src_matrix = \n"); 575 debug_printf("%f, %f, %f\n", src_matrix[0], src_matrix[1], src_matrix[2]); 576 debug_printf("%f, %f, %f\n", src_matrix[3], src_matrix[4], src_matrix[5]); 577 debug_printf("%f, %f, %f\n", src_matrix[6], src_matrix[7], src_matrix[8]); 578 } 579 if (mask_matrix) { 580 debug_printf("mask_matrix = \n"); 581 debug_printf("%f, %f, %f\n", mask_matrix[0], mask_matrix[1], mask_matrix[2]); 582 debug_printf("%f, %f, %f\n", mask_matrix[3], mask_matrix[4], mask_matrix[5]); 583 debug_printf("%f, %f, %f\n", mask_matrix[6], mask_matrix[7], mask_matrix[8]); 584 } 585#endif 586 587 switch(r->attrs_per_vertex) { 588 case 2: 589 renderer_draw_conditional(r, 4 * 8); 590 add_vertex_data1(r, 591 pos[0], pos[1], /* src */ 592 pos[4], pos[5], /* dst */ 593 width, height, 594 sampler_view[0]->texture, src_matrix); 595 break; 596 case 3: 597 renderer_draw_conditional(r, 4 * 12); 598 add_vertex_data2(r, 599 pos[0], pos[1], /* src */ 600 pos[2], pos[3], /* mask */ 601 pos[4], pos[5], /* dst */ 602 width, height, 603 sampler_view[0]->texture, sampler_view[1]->texture, 604 src_matrix, mask_matrix); 605 break; 606 default: 607 break; 608 } 609} 610