641 lines
18 KiB
C
641 lines
18 KiB
C
/**********************************************************
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* Copyright 2009-2011 VMware, Inc. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use, copy,
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* modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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*********************************************************
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* Authors:
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* Zack Rusin <zackr-at-vmware-dot-com>
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*/
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#include "xa_context.h"
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#include "xa_priv.h"
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#include <math.h>
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#include "cso_cache/cso_context.h"
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#include "util/u_inlines.h"
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#include "util/u_sampler.h"
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#include "util/u_draw_quad.h"
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#define floatsEqual(x, y) (fabsf(x - y) <= 0.00001f * MIN2(fabsf(x), fabsf(y)))
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#define floatIsZero(x) (floatsEqual((x) + 1.0f, 1.0f))
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#define NUM_COMPONENTS 4
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void
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renderer_set_constants(struct xa_context *r,
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int shader_type, const float *params, int param_bytes);
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static inline boolean
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is_affine(const float *matrix)
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{
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return floatIsZero(matrix[2]) && floatIsZero(matrix[5])
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&& floatsEqual(matrix[8], 1.0f);
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}
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static inline void
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map_point(const float *mat, float x, float y, float *out_x, float *out_y)
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{
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if (!mat) {
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*out_x = x;
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*out_y = y;
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return;
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}
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*out_x = mat[0] * x + mat[3] * y + mat[6];
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*out_y = mat[1] * x + mat[4] * y + mat[7];
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if (!is_affine(mat)) {
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float w = 1 / (mat[2] * x + mat[5] * y + mat[8]);
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*out_x *= w;
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*out_y *= w;
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}
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}
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static inline void
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renderer_draw(struct xa_context *r)
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{
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int num_verts = r->buffer_size / (r->attrs_per_vertex * NUM_COMPONENTS);
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if (!r->buffer_size)
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return;
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if (!r->scissor_valid) {
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r->scissor.minx = 0;
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r->scissor.miny = 0;
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r->scissor.maxx = r->dst->tex->width0;
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r->scissor.maxy = r->dst->tex->height0;
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}
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r->pipe->set_scissor_states(r->pipe, 0, 1, &r->scissor);
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struct cso_velems_state velems;
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velems.count = r->attrs_per_vertex;
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memcpy(velems.velems, r->velems, sizeof(r->velems[0]) * velems.count);
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cso_set_vertex_elements(r->cso, &velems);
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util_draw_user_vertex_buffer(r->cso, r->buffer, PIPE_PRIM_QUADS,
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num_verts, /* verts */
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r->attrs_per_vertex); /* attribs/vert */
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r->buffer_size = 0;
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xa_scissor_reset(r);
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}
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static inline void
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renderer_draw_conditional(struct xa_context *r, int next_batch)
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{
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if (r->buffer_size + next_batch >= XA_VB_SIZE ||
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(next_batch == 0 && r->buffer_size)) {
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renderer_draw(r);
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}
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}
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void
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renderer_init_state(struct xa_context *r)
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{
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struct pipe_depth_stencil_alpha_state dsa;
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struct pipe_rasterizer_state raster;
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unsigned i;
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/* set common initial clip state */
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memset(&dsa, 0, sizeof(struct pipe_depth_stencil_alpha_state));
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cso_set_depth_stencil_alpha(r->cso, &dsa);
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/* XXX: move to renderer_init_state? */
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memset(&raster, 0, sizeof(struct pipe_rasterizer_state));
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raster.half_pixel_center = 1;
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raster.bottom_edge_rule = 1;
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raster.depth_clip_near = 1;
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raster.depth_clip_far = 1;
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raster.scissor = 1;
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cso_set_rasterizer(r->cso, &raster);
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/* vertex elements state */
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memset(&r->velems[0], 0, sizeof(r->velems[0]) * 3);
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for (i = 0; i < 3; i++) {
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r->velems[i].src_offset = i * 4 * sizeof(float);
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r->velems[i].instance_divisor = 0;
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r->velems[i].vertex_buffer_index = 0;
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r->velems[i].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
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}
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}
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static inline void
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add_vertex_none(struct xa_context *r, float x, float y)
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{
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float *vertex = r->buffer + r->buffer_size;
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vertex[0] = x;
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vertex[1] = y;
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vertex[2] = 0.f; /*z */
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vertex[3] = 1.f; /*w */
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r->buffer_size += 4;
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}
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static inline void
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add_vertex_1tex(struct xa_context *r, float x, float y, float s, float t)
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{
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float *vertex = r->buffer + r->buffer_size;
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vertex[0] = x;
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vertex[1] = y;
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vertex[2] = 0.f; /*z */
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vertex[3] = 1.f; /*w */
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vertex[4] = s; /*s */
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vertex[5] = t; /*t */
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vertex[6] = 0.f; /*r */
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vertex[7] = 1.f; /*q */
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r->buffer_size += 8;
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}
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static inline void
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add_vertex_2tex(struct xa_context *r,
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float x, float y, float s0, float t0, float s1, float t1)
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{
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float *vertex = r->buffer + r->buffer_size;
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vertex[0] = x;
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vertex[1] = y;
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vertex[2] = 0.f; /*z */
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vertex[3] = 1.f; /*w */
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vertex[4] = s0; /*s */
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vertex[5] = t0; /*t */
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vertex[6] = 0.f; /*r */
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vertex[7] = 1.f; /*q */
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vertex[8] = s1; /*s */
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vertex[9] = t1; /*t */
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vertex[10] = 0.f; /*r */
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vertex[11] = 1.f; /*q */
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r->buffer_size += 12;
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}
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static void
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compute_src_coords(float sx, float sy, const struct pipe_resource *src,
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const float *src_matrix,
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float width, float height,
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float tc0[2], float tc1[2], float tc2[2], float tc3[2])
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{
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tc0[0] = sx;
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tc0[1] = sy;
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tc1[0] = sx + width;
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tc1[1] = sy;
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tc2[0] = sx + width;
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tc2[1] = sy + height;
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tc3[0] = sx;
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tc3[1] = sy + height;
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if (src_matrix) {
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map_point(src_matrix, tc0[0], tc0[1], &tc0[0], &tc0[1]);
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map_point(src_matrix, tc1[0], tc1[1], &tc1[0], &tc1[1]);
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map_point(src_matrix, tc2[0], tc2[1], &tc2[0], &tc2[1]);
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map_point(src_matrix, tc3[0], tc3[1], &tc3[0], &tc3[1]);
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}
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tc0[0] /= src->width0;
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tc1[0] /= src->width0;
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tc2[0] /= src->width0;
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tc3[0] /= src->width0;
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tc0[1] /= src->height0;
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tc1[1] /= src->height0;
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tc2[1] /= src->height0;
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tc3[1] /= src->height0;
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}
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static void
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add_vertex_data1(struct xa_context *r,
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float srcX, float srcY, float dstX, float dstY,
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float width, float height,
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const struct pipe_resource *src, const float *src_matrix)
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{
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float tc0[2], tc1[2], tc2[2], tc3[2];
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compute_src_coords(srcX, srcY, src, src_matrix, width, height,
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tc0, tc1, tc2, tc3);
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/* 1st vertex */
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add_vertex_1tex(r, dstX, dstY, tc0[0], tc0[1]);
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/* 2nd vertex */
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add_vertex_1tex(r, dstX + width, dstY, tc1[0], tc1[1]);
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/* 3rd vertex */
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add_vertex_1tex(r, dstX + width, dstY + height, tc2[0], tc2[1]);
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/* 4th vertex */
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add_vertex_1tex(r, dstX, dstY + height, tc3[0], tc3[1]);
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}
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static void
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add_vertex_data2(struct xa_context *r,
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float srcX, float srcY, float maskX, float maskY,
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float dstX, float dstY, float width, float height,
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struct pipe_resource *src,
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struct pipe_resource *mask,
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const float *src_matrix, const float *mask_matrix)
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{
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float spt0[2], spt1[2], spt2[2], spt3[2];
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float mpt0[2], mpt1[2], mpt2[2], mpt3[2];
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compute_src_coords(srcX, srcY, src, src_matrix, width, height,
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spt0, spt1, spt2, spt3);
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compute_src_coords(maskX, maskY, mask, mask_matrix, width, height,
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mpt0, mpt1, mpt2, mpt3);
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/* 1st vertex */
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add_vertex_2tex(r, dstX, dstY,
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spt0[0], spt0[1], mpt0[0], mpt0[1]);
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/* 2nd vertex */
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add_vertex_2tex(r, dstX + width, dstY,
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spt1[0], spt1[1], mpt1[0], mpt1[1]);
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/* 3rd vertex */
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add_vertex_2tex(r, dstX + width, dstY + height,
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spt2[0], spt2[1], mpt2[0], mpt2[1]);
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/* 4th vertex */
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add_vertex_2tex(r, dstX, dstY + height,
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spt3[0], spt3[1], mpt3[0], mpt3[1]);
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}
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static void
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setup_vertex_data_yuv(struct xa_context *r,
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float srcX,
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float srcY,
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float srcW,
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float srcH,
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float dstX,
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float dstY,
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float dstW, float dstH, struct xa_surface *srf[])
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{
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float s0, t0, s1, t1;
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float spt0[2], spt1[2];
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struct pipe_resource *tex;
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spt0[0] = srcX;
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spt0[1] = srcY;
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spt1[0] = srcX + srcW;
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spt1[1] = srcY + srcH;
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tex = srf[0]->tex;
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s0 = spt0[0] / tex->width0;
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t0 = spt0[1] / tex->height0;
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s1 = spt1[0] / tex->width0;
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t1 = spt1[1] / tex->height0;
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/* 1st vertex */
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add_vertex_1tex(r, dstX, dstY, s0, t0);
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/* 2nd vertex */
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add_vertex_1tex(r, dstX + dstW, dstY, s1, t0);
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/* 3rd vertex */
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add_vertex_1tex(r, dstX + dstW, dstY + dstH, s1, t1);
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/* 4th vertex */
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add_vertex_1tex(r, dstX, dstY + dstH, s0, t1);
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}
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/* Set up framebuffer, viewport and vertex shader constant buffer
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* state for a particular destinaton surface. In all our rendering,
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* these concepts are linked.
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*/
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void
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renderer_bind_destination(struct xa_context *r,
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struct pipe_surface *surface)
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{
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int width = surface->width;
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int height = surface->height;
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struct pipe_framebuffer_state fb;
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struct pipe_viewport_state viewport;
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xa_scissor_reset(r);
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/* Framebuffer uses actual surface width/height
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*/
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memset(&fb, 0, sizeof fb);
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fb.width = surface->width;
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fb.height = surface->height;
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fb.nr_cbufs = 1;
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fb.cbufs[0] = surface;
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fb.zsbuf = NULL;
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/* Viewport just touches the bit we're interested in:
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*/
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viewport.scale[0] = width / 2.f;
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viewport.scale[1] = height / 2.f;
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viewport.scale[2] = 1.0;
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viewport.translate[0] = width / 2.f;
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viewport.translate[1] = height / 2.f;
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viewport.translate[2] = 0.0;
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viewport.swizzle_x = PIPE_VIEWPORT_SWIZZLE_POSITIVE_X;
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viewport.swizzle_y = PIPE_VIEWPORT_SWIZZLE_POSITIVE_Y;
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viewport.swizzle_z = PIPE_VIEWPORT_SWIZZLE_POSITIVE_Z;
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viewport.swizzle_w = PIPE_VIEWPORT_SWIZZLE_POSITIVE_W;
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/* Constant buffer set up to match viewport dimensions:
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*/
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if (r->fb_width != width || r->fb_height != height) {
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float vs_consts[8] = {
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2.f / width, 2.f / height, 1, 1,
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-1, -1, 0, 0
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};
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r->fb_width = width;
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r->fb_height = height;
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renderer_set_constants(r, PIPE_SHADER_VERTEX,
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vs_consts, sizeof vs_consts);
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}
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cso_set_framebuffer(r->cso, &fb);
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cso_set_viewport(r->cso, &viewport);
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}
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void
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renderer_set_constants(struct xa_context *r,
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int shader_type, const float *params, int param_bytes)
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{
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struct pipe_resource **cbuf =
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(shader_type == PIPE_SHADER_VERTEX) ? &r->vs_const_buffer :
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&r->fs_const_buffer;
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pipe_resource_reference(cbuf, NULL);
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*cbuf = pipe_buffer_create_const0(r->pipe->screen,
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PIPE_BIND_CONSTANT_BUFFER,
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PIPE_USAGE_DEFAULT,
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param_bytes);
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if (*cbuf) {
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pipe_buffer_write(r->pipe, *cbuf, 0, param_bytes, params);
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}
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pipe_set_constant_buffer(r->pipe, shader_type, 0, *cbuf);
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}
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void
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renderer_copy_prepare(struct xa_context *r,
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struct pipe_surface *dst_surface,
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struct pipe_resource *src_texture,
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const enum xa_formats src_xa_format,
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const enum xa_formats dst_xa_format)
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{
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struct pipe_context *pipe = r->pipe;
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struct pipe_screen *screen = pipe->screen;
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struct xa_shader shader;
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uint32_t fs_traits = FS_COMPOSITE;
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assert(screen->is_format_supported(screen, dst_surface->format,
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PIPE_TEXTURE_2D, 0, 0,
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PIPE_BIND_RENDER_TARGET));
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(void)screen;
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renderer_bind_destination(r, dst_surface);
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/* set misc state we care about */
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{
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struct pipe_blend_state blend;
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memset(&blend, 0, sizeof(blend));
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blend.rt[0].rgb_src_factor = PIPE_BLENDFACTOR_ONE;
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blend.rt[0].alpha_src_factor = PIPE_BLENDFACTOR_ONE;
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blend.rt[0].rgb_dst_factor = PIPE_BLENDFACTOR_ZERO;
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blend.rt[0].alpha_dst_factor = PIPE_BLENDFACTOR_ZERO;
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blend.rt[0].colormask = PIPE_MASK_RGBA;
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cso_set_blend(r->cso, &blend);
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}
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/* sampler */
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{
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struct pipe_sampler_state sampler;
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const struct pipe_sampler_state *p_sampler = &sampler;
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memset(&sampler, 0, sizeof(sampler));
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sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
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sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
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sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
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sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE;
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sampler.min_img_filter = PIPE_TEX_FILTER_NEAREST;
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sampler.mag_img_filter = PIPE_TEX_FILTER_NEAREST;
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sampler.normalized_coords = 1;
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cso_set_samplers(r->cso, PIPE_SHADER_FRAGMENT, 1, &p_sampler);
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r->num_bound_samplers = 1;
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}
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/* texture/sampler view */
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{
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struct pipe_sampler_view templ;
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struct pipe_sampler_view *src_view;
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u_sampler_view_default_template(&templ,
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src_texture, src_texture->format);
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src_view = pipe->create_sampler_view(pipe, src_texture, &templ);
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pipe->set_sampler_views(pipe, PIPE_SHADER_FRAGMENT, 0, 1, 0, false, &src_view);
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pipe_sampler_view_reference(&src_view, NULL);
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}
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/* shaders */
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if (src_texture->format == PIPE_FORMAT_L8_UNORM ||
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src_texture->format == PIPE_FORMAT_R8_UNORM)
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fs_traits |= FS_SRC_LUMINANCE;
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if (dst_surface->format == PIPE_FORMAT_L8_UNORM ||
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dst_surface->format == PIPE_FORMAT_R8_UNORM)
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fs_traits |= FS_DST_LUMINANCE;
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if (xa_format_a(dst_xa_format) != 0 &&
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xa_format_a(src_xa_format) == 0)
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fs_traits |= FS_SRC_SET_ALPHA;
|
|
|
|
shader = xa_shaders_get(r->shaders, VS_COMPOSITE, fs_traits);
|
|
cso_set_vertex_shader_handle(r->cso, shader.vs);
|
|
cso_set_fragment_shader_handle(r->cso, shader.fs);
|
|
|
|
r->buffer_size = 0;
|
|
r->attrs_per_vertex = 2;
|
|
}
|
|
|
|
void
|
|
renderer_copy(struct xa_context *r,
|
|
int dx,
|
|
int dy,
|
|
int sx,
|
|
int sy,
|
|
int width, int height, float src_width, float src_height)
|
|
{
|
|
float s0, t0, s1, t1;
|
|
float x0, y0, x1, y1;
|
|
|
|
/* XXX: could put the texcoord scaling calculation into the vertex
|
|
* shader.
|
|
*/
|
|
s0 = sx / src_width;
|
|
s1 = (sx + width) / src_width;
|
|
t0 = sy / src_height;
|
|
t1 = (sy + height) / src_height;
|
|
|
|
x0 = dx;
|
|
x1 = dx + width;
|
|
y0 = dy;
|
|
y1 = dy + height;
|
|
|
|
/* draw quad */
|
|
renderer_draw_conditional(r, 4 * 8);
|
|
add_vertex_1tex(r, x0, y0, s0, t0);
|
|
add_vertex_1tex(r, x1, y0, s1, t0);
|
|
add_vertex_1tex(r, x1, y1, s1, t1);
|
|
add_vertex_1tex(r, x0, y1, s0, t1);
|
|
}
|
|
|
|
void
|
|
renderer_draw_yuv(struct xa_context *r,
|
|
float src_x,
|
|
float src_y,
|
|
float src_w,
|
|
float src_h,
|
|
int dst_x,
|
|
int dst_y, int dst_w, int dst_h, struct xa_surface *srf[])
|
|
{
|
|
const int num_attribs = 2; /*pos + tex coord */
|
|
|
|
setup_vertex_data_yuv(r,
|
|
src_x, src_y, src_w, src_h,
|
|
dst_x, dst_y, dst_w, dst_h, srf);
|
|
|
|
if (!r->scissor_valid) {
|
|
r->scissor.minx = 0;
|
|
r->scissor.miny = 0;
|
|
r->scissor.maxx = r->dst->tex->width0;
|
|
r->scissor.maxy = r->dst->tex->height0;
|
|
}
|
|
|
|
r->pipe->set_scissor_states(r->pipe, 0, 1, &r->scissor);
|
|
|
|
struct cso_velems_state velems;
|
|
velems.count = num_attribs;
|
|
memcpy(velems.velems, r->velems, sizeof(r->velems[0]) * velems.count);
|
|
|
|
cso_set_vertex_elements(r->cso, &velems);
|
|
util_draw_user_vertex_buffer(r->cso, r->buffer, PIPE_PRIM_QUADS,
|
|
4, /* verts */
|
|
num_attribs); /* attribs/vert */
|
|
r->buffer_size = 0;
|
|
|
|
xa_scissor_reset(r);
|
|
}
|
|
|
|
void
|
|
renderer_begin_solid(struct xa_context *r)
|
|
{
|
|
r->buffer_size = 0;
|
|
r->attrs_per_vertex = 1;
|
|
renderer_set_constants(r, PIPE_SHADER_FRAGMENT, r->solid_color,
|
|
4 * sizeof(float));
|
|
}
|
|
|
|
void
|
|
renderer_solid(struct xa_context *r,
|
|
int x0, int y0, int x1, int y1)
|
|
{
|
|
/*
|
|
* debug_printf("solid rect[(%d, %d), (%d, %d)], rgba[%f, %f, %f, %f]\n",
|
|
* x0, y0, x1, y1, color[0], color[1], color[2], color[3]); */
|
|
|
|
renderer_draw_conditional(r, 4 * 4);
|
|
|
|
/* 1st vertex */
|
|
add_vertex_none(r, x0, y0);
|
|
/* 2nd vertex */
|
|
add_vertex_none(r, x1, y0);
|
|
/* 3rd vertex */
|
|
add_vertex_none(r, x1, y1);
|
|
/* 4th vertex */
|
|
add_vertex_none(r, x0, y1);
|
|
}
|
|
|
|
void
|
|
renderer_draw_flush(struct xa_context *r)
|
|
{
|
|
renderer_draw_conditional(r, 0);
|
|
}
|
|
|
|
void
|
|
renderer_begin_textures(struct xa_context *r)
|
|
{
|
|
r->attrs_per_vertex = 1 + r->num_bound_samplers;
|
|
r->buffer_size = 0;
|
|
if (r->has_solid_src || r->has_solid_mask)
|
|
renderer_set_constants(r, PIPE_SHADER_FRAGMENT, r->solid_color,
|
|
4 * sizeof(float));
|
|
}
|
|
|
|
void
|
|
renderer_texture(struct xa_context *r,
|
|
int *pos,
|
|
int width, int height,
|
|
const float *src_matrix,
|
|
const float *mask_matrix)
|
|
{
|
|
struct pipe_sampler_view **sampler_view = r->bound_sampler_views;
|
|
|
|
#if 0
|
|
if (src_matrix) {
|
|
debug_printf("src_matrix = \n");
|
|
debug_printf("%f, %f, %f\n", src_matrix[0], src_matrix[1], src_matrix[2]);
|
|
debug_printf("%f, %f, %f\n", src_matrix[3], src_matrix[4], src_matrix[5]);
|
|
debug_printf("%f, %f, %f\n", src_matrix[6], src_matrix[7], src_matrix[8]);
|
|
}
|
|
if (mask_matrix) {
|
|
debug_printf("mask_matrix = \n");
|
|
debug_printf("%f, %f, %f\n", mask_matrix[0], mask_matrix[1], mask_matrix[2]);
|
|
debug_printf("%f, %f, %f\n", mask_matrix[3], mask_matrix[4], mask_matrix[5]);
|
|
debug_printf("%f, %f, %f\n", mask_matrix[6], mask_matrix[7], mask_matrix[8]);
|
|
}
|
|
#endif
|
|
|
|
switch(r->attrs_per_vertex) {
|
|
case 2:
|
|
renderer_draw_conditional(r, 4 * 8);
|
|
if (!r->has_solid_src) {
|
|
add_vertex_data1(r,
|
|
pos[0], pos[1], /* src */
|
|
pos[4], pos[5], /* dst */
|
|
width, height,
|
|
sampler_view[0]->texture, src_matrix);
|
|
} else {
|
|
add_vertex_data1(r,
|
|
pos[2], pos[3], /* mask */
|
|
pos[4], pos[5], /* dst */
|
|
width, height,
|
|
sampler_view[0]->texture, mask_matrix);
|
|
}
|
|
break;
|
|
case 3:
|
|
renderer_draw_conditional(r, 4 * 12);
|
|
add_vertex_data2(r,
|
|
pos[0], pos[1], /* src */
|
|
pos[2], pos[3], /* mask */
|
|
pos[4], pos[5], /* dst */
|
|
width, height,
|
|
sampler_view[0]->texture, sampler_view[1]->texture,
|
|
src_matrix, mask_matrix);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|