621 lines
17 KiB
C
621 lines
17 KiB
C
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/*
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* Copyright © 2009 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is 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 (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*
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* Authors:
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* Eric Anholt <eric@anholt.net>
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*
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*/
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/** @file glamor_render.c
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*
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* Render acceleration implementation
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*/
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#include "glamor_priv.h"
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#ifdef RENDER
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#include "mipict.h"
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#include "glu3/glu3.h"
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struct shader_key {
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Bool has_mask;
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};
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struct blendinfo {
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Bool dest_alpha;
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Bool source_alpha;
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GLenum source_blend;
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GLenum dest_blend;
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};
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static struct blendinfo composite_op_info[] = {
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[PictOpClear] = {0, 0, GL_ZERO, GL_ZERO},
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[PictOpSrc] = {0, 0, GL_ONE, GL_ZERO},
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[PictOpDst] = {0, 0, GL_ZERO, GL_ONE},
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[PictOpOver] = {0, 1, GL_ONE, GL_ONE_MINUS_SRC_ALPHA},
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[PictOpOverReverse] = {1, 0, GL_ONE_MINUS_DST_ALPHA, GL_ONE},
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[PictOpIn] = {1, 0, GL_DST_ALPHA, GL_ZERO},
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[PictOpInReverse] = {0, 1, GL_ZERO, GL_SRC_ALPHA},
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[PictOpOut] = {1, 0, GL_ONE_MINUS_DST_ALPHA, GL_ZERO},
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[PictOpOutReverse] = {0, 1, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA},
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[PictOpAtop] = {1, 1, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA},
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[PictOpAtopReverse] = {1, 1, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA},
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[PictOpXor] = {1, 1, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA},
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[PictOpAdd] = {0, 0, GL_ONE, GL_ONE},
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};
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#define HAS_MASK_INDEX 1
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static glamor_composite_shader *
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glamor_lookup_composite_shader(ScreenPtr screen, struct shader_key *key)
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{
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glamor_screen_private *glamor_priv = glamor_get_screen_private(screen);
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int index = 0;
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if (key->has_mask)
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index += HAS_MASK_INDEX;
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assert(index < ARRAY_SIZE(glamor_priv->composite_shader));
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return &glamor_priv->composite_shader[index];
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}
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static GLuint
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glamor_create_composite_fs(struct shader_key *key)
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{
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const char *header =
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"uniform sampler2D source_sampler;\n"
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"varying vec4 source_coords;\n";
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const char *mask_header =
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"uniform sampler2D mask_sampler;\n"
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"varying vec4 mask_coords;\n";
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const char *main_opening =
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"void main()\n"
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"{\n"
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" vec4 result;\n"
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" result = texture2DProj(source_sampler, source_coords.xyw);\n";
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const char *source_in_mask =
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" vec4 mask = texture2DProj(mask_sampler, mask_coords.xyw);\n"
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" result = result * mask.w;\n";
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const char *main_closing =
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" gl_FragColor = result;\n"
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"}\n";
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char *source;
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GLuint prog;
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source = XNFprintf("%s%s%s%s%s",
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header,
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key->has_mask ? mask_header : "",
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main_opening,
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key->has_mask ? source_in_mask : "",
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main_closing);
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prog = glamor_compile_glsl_prog(GL_FRAGMENT_SHADER_ARB, source);
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xfree(source);
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return prog;
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}
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static GLuint
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glamor_create_composite_vs(struct shader_key *key)
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{
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const char *header =
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"uniform mat4 dest_to_dest;\n"
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"uniform mat4 dest_to_source;\n"
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"varying vec4 source_coords;\n";
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const char *mask_header =
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"uniform mat4 dest_to_mask;\n"
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"varying vec4 mask_coords;\n";
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const char *main_opening =
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"void main()\n"
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"{\n"
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" vec4 incoming_dest_coords = vec4(gl_Vertex.xy, 0, 1);\n"
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" gl_Position = dest_to_dest * incoming_dest_coords;\n"
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" source_coords = dest_to_source * incoming_dest_coords;\n";
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const char *mask_coords =
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" mask_coords = dest_to_mask * incoming_dest_coords;\n";
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const char *main_closing =
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"}\n";
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char *source;
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GLuint prog;
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source = XNFprintf("%s%s%s%s%s",
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header,
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key->has_mask ? mask_header : "",
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main_opening,
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key->has_mask ? mask_coords : "",
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main_closing);
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prog = glamor_compile_glsl_prog(GL_VERTEX_SHADER_ARB, source);
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xfree(source);
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return prog;
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}
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static void
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glamor_create_composite_shader(ScreenPtr screen, struct shader_key *key)
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{
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GLuint vs, fs, prog;
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GLint source_sampler_uniform_location, mask_sampler_uniform_location;
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glamor_composite_shader *shader;
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shader = glamor_lookup_composite_shader(screen, key);
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vs = glamor_create_composite_vs(key);
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if (vs == 0)
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return;
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fs = glamor_create_composite_fs(key);
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if (fs == 0)
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return;
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prog = glCreateProgramObjectARB();
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glAttachObjectARB(prog, vs);
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glAttachObjectARB(prog, fs);
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glamor_link_glsl_prog(prog);
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shader->prog = prog;
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glUseProgramObjectARB(prog);
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source_sampler_uniform_location = glGetUniformLocationARB(prog,
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"source_sampler");
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shader->dest_to_dest_uniform_location =
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glGetUniformLocationARB(prog, "dest_to_dest");
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shader->dest_to_source_uniform_location =
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glGetUniformLocationARB(prog, "dest_to_source");
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glUniform1i(source_sampler_uniform_location, 0);
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if (key->has_mask) {
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mask_sampler_uniform_location = glGetUniformLocationARB(prog,
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"mask_sampler");
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glUniform1i(mask_sampler_uniform_location, 1);
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shader->dest_to_mask_uniform_location =
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glGetUniformLocationARB(prog, "dest_to_mask");
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}
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}
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void
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glamor_init_composite_shaders(ScreenPtr screen)
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{
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struct shader_key key;
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key.has_mask = FALSE;
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glamor_create_composite_shader(screen, &key);
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key.has_mask = TRUE;
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glamor_create_composite_shader(screen, &key);
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}
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static void
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glamor_set_composite_transform_matrix(GLUmat4 *m,
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PicturePtr picture,
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float x_source,
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float y_source)
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{
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GLUmat4 temp;
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DrawablePtr drawable = picture->pDrawable;
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GLUvec4 scale = {{1.0f / drawable->width,
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1.0f / drawable->height,
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1.0,
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1.0}};
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gluTranslate3f(m, -x_source, -y_source, 0.0);
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gluScale4v(&temp, &scale);
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gluMult4m_4m(m, &temp, m);
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}
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static Bool
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glamor_set_composite_op(ScreenPtr screen,
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CARD8 op, PicturePtr dest, PicturePtr mask)
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{
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GLenum source_blend, dest_blend;
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struct blendinfo *op_info;
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if (op >= ARRAY_SIZE(composite_op_info)) {
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ErrorF("unsupported render op\n");
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return GL_FALSE;
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}
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op_info = &composite_op_info[op];
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source_blend = op_info->source_blend;
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dest_blend = op_info->dest_blend;
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if (mask && mask->componentAlpha && PICT_FORMAT_RGB(mask->format) != 0 &&
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op_info->source_alpha && source_blend != GL_ZERO) {
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}
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/* If there's no dst alpha channel, adjust the blend op so that we'll treat
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* it as always 1.
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*/
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if (PICT_FORMAT_A(dest->format) == 0 && op_info->dest_alpha) {
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if (source_blend == GL_DST_ALPHA)
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source_blend = GL_ONE;
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else if (source_blend == GL_ONE_MINUS_DST_ALPHA)
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source_blend = GL_ZERO;
|
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}
|
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|
|
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/* Set up the source alpha value for blending in component alpha mode. */
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if (mask && mask->componentAlpha && PICT_FORMAT_RGB(mask->format) != 0 &&
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op_info->source_alpha) {
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if (source_blend != GL_ZERO) {
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ErrorF("Dual-source composite blending not supported\n");
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return GL_FALSE;
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}
|
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if (dest_blend == GL_SRC_ALPHA)
|
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dest_blend = GL_SRC_COLOR;
|
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else if (dest_blend == GL_ONE_MINUS_SRC_ALPHA)
|
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dest_blend = GL_ONE_MINUS_SRC_COLOR;
|
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}
|
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|
|
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if (source_blend == GL_ONE && dest_blend == GL_ZERO) {
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glDisable(GL_BLEND);
|
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} else {
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|
glEnable(GL_BLEND);
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|
glBlendFunc(source_blend, dest_blend);
|
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|
}
|
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|
return TRUE;
|
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|
}
|
||
|
|
||
|
static void
|
||
|
glamor_set_composite_texture(ScreenPtr screen, int unit, PicturePtr picture,
|
||
|
glamor_pixmap_private *pixmap_priv)
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||
|
{
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||
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glActiveTexture(GL_TEXTURE0 + unit);
|
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|
glBindTexture(GL_TEXTURE_2D, pixmap_priv->tex);
|
||
|
switch (picture->repeatType) {
|
||
|
case RepeatNone:
|
||
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_BORDER);
|
||
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_BORDER);
|
||
|
break;
|
||
|
case RepeatNormal:
|
||
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
|
||
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
|
||
|
break;
|
||
|
case RepeatPad:
|
||
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
|
||
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
|
||
|
break;
|
||
|
case RepeatReflect:
|
||
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_MIRRORED_REPEAT);
|
||
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_MIRRORED_REPEAT);
|
||
|
break;
|
||
|
}
|
||
|
|
||
|
switch (picture->filter) {
|
||
|
case PictFilterNearest:
|
||
|
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
|
||
|
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
|
||
|
break;
|
||
|
case PictFilterBilinear:
|
||
|
default:
|
||
|
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
|
||
|
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
|
||
|
break;
|
||
|
}
|
||
|
|
||
|
glEnable(GL_TEXTURE_2D);
|
||
|
}
|
||
|
|
||
|
void
|
||
|
glamor_composite(CARD8 op,
|
||
|
PicturePtr source,
|
||
|
PicturePtr mask,
|
||
|
PicturePtr dest,
|
||
|
INT16 x_source,
|
||
|
INT16 y_source,
|
||
|
INT16 x_mask,
|
||
|
INT16 y_mask,
|
||
|
INT16 x_dest,
|
||
|
INT16 y_dest,
|
||
|
CARD16 width,
|
||
|
CARD16 height)
|
||
|
{
|
||
|
ScreenPtr screen = dest->pDrawable->pScreen;
|
||
|
PixmapPtr dest_pixmap = glamor_get_drawable_pixmap(dest->pDrawable);
|
||
|
PixmapPtr source_pixmap, mask_pixmap = NULL;
|
||
|
glamor_pixmap_private *source_pixmap_priv, *mask_pixmap_priv = NULL;
|
||
|
struct shader_key key;
|
||
|
glamor_composite_shader *shader;
|
||
|
GLUmat4 dest_to_dest, dest_to_source, dest_to_mask;
|
||
|
RegionRec region;
|
||
|
int i;
|
||
|
|
||
|
/* Do two-pass PictOpOver componentAlpha, until we enable
|
||
|
* dual source color blending.
|
||
|
*/
|
||
|
if (mask && mask->componentAlpha && op == PictOpOver) {
|
||
|
glamor_composite(PictOpOutReverse,
|
||
|
source, mask, dest,
|
||
|
x_source, y_source,
|
||
|
x_mask, y_mask,
|
||
|
x_dest, y_dest,
|
||
|
width, height);
|
||
|
glamor_composite(PictOpAdd,
|
||
|
source, mask, dest,
|
||
|
x_source, y_source,
|
||
|
x_mask, y_mask,
|
||
|
x_dest, y_dest,
|
||
|
width, height);
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
key.has_mask = (mask != NULL);
|
||
|
if (!source->pDrawable) {
|
||
|
ErrorF("source-only source\n");
|
||
|
goto fail;
|
||
|
}
|
||
|
if (mask && !mask->pDrawable) {
|
||
|
ErrorF("source-only mask\n");
|
||
|
goto fail;
|
||
|
}
|
||
|
if (source->alphaMap) {
|
||
|
ErrorF("source alphaMap\n");
|
||
|
goto fail;
|
||
|
}
|
||
|
if (mask && mask->alphaMap) {
|
||
|
ErrorF("mask alphaMap\n");
|
||
|
goto fail;
|
||
|
}
|
||
|
|
||
|
source_pixmap = glamor_get_drawable_pixmap(source->pDrawable);
|
||
|
source_pixmap_priv = glamor_get_pixmap_private(source_pixmap);
|
||
|
if (source_pixmap == dest_pixmap) {
|
||
|
ErrorF("source == dest\n");
|
||
|
goto fail;
|
||
|
}
|
||
|
if (!source_pixmap_priv || source_pixmap_priv->tex == 0) {
|
||
|
ErrorF("no FBO in source\n");
|
||
|
goto fail;
|
||
|
}
|
||
|
if (mask) {
|
||
|
mask_pixmap = glamor_get_drawable_pixmap(mask->pDrawable);
|
||
|
mask_pixmap_priv = glamor_get_pixmap_private(mask_pixmap);
|
||
|
if (mask_pixmap == dest_pixmap) {
|
||
|
ErrorF("mask == dest\n");
|
||
|
goto fail;
|
||
|
}
|
||
|
if (!mask_pixmap_priv || mask_pixmap_priv->tex == 0) {
|
||
|
ErrorF("no FBO in mask\n");
|
||
|
goto fail;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
shader = glamor_lookup_composite_shader(screen, &key);
|
||
|
if (shader->prog == 0) {
|
||
|
ErrorF("No program compiled for this render accel mode\n");
|
||
|
goto fail;
|
||
|
}
|
||
|
|
||
|
glUseProgramObjectARB(shader->prog);
|
||
|
|
||
|
if (!glamor_set_destination_pixmap(dest_pixmap))
|
||
|
goto fail;
|
||
|
|
||
|
if (!glamor_set_composite_op(screen, op, dest, mask)) {
|
||
|
goto fail;
|
||
|
}
|
||
|
|
||
|
x_dest += dest->pDrawable->x;
|
||
|
y_dest += dest->pDrawable->y;
|
||
|
if (source->pDrawable) {
|
||
|
x_source += source->pDrawable->x;
|
||
|
y_source += source->pDrawable->y;
|
||
|
}
|
||
|
if (mask && mask->pDrawable) {
|
||
|
x_mask += mask->pDrawable->x;
|
||
|
y_mask += mask->pDrawable->y;
|
||
|
}
|
||
|
|
||
|
gluOrtho6f(&dest_to_dest,
|
||
|
dest_pixmap->screen_x, dest_pixmap->screen_x + width,
|
||
|
dest_pixmap->screen_y, dest_pixmap->screen_y + height,
|
||
|
-1, 1);
|
||
|
glUniformMatrix4fvARB(shader->dest_to_dest_uniform_location, 1, 0,
|
||
|
(float *)&dest_to_dest);
|
||
|
glamor_set_composite_transform_matrix(&dest_to_source,
|
||
|
source,
|
||
|
x_source - x_dest,
|
||
|
y_source - x_dest);
|
||
|
glUniformMatrix4fvARB(shader->dest_to_source_uniform_location, 1, 0,
|
||
|
(float *)&dest_to_source);
|
||
|
|
||
|
if (mask) {
|
||
|
glamor_set_composite_transform_matrix(&dest_to_mask,
|
||
|
mask,
|
||
|
x_mask - x_dest,
|
||
|
y_mask - x_dest);
|
||
|
glUniformMatrix4fvARB(shader->dest_to_mask_uniform_location, 1, 0,
|
||
|
(float *)&dest_to_mask);
|
||
|
}
|
||
|
|
||
|
glamor_set_composite_texture(screen, 0, source, source_pixmap_priv);
|
||
|
if (mask)
|
||
|
glamor_set_composite_texture(screen, 1, mask, mask_pixmap_priv);
|
||
|
|
||
|
if (!miComputeCompositeRegion(®ion,
|
||
|
source, mask, dest,
|
||
|
x_source, y_source,
|
||
|
x_mask, y_mask,
|
||
|
x_dest, y_dest,
|
||
|
width, height))
|
||
|
return;
|
||
|
|
||
|
glBegin(GL_QUADS);
|
||
|
for (i = 0; i < REGION_NUM_RECTS(®ion); i++) {
|
||
|
BoxPtr box = ®ION_RECTS(®ion)[i];
|
||
|
glVertex2i(box->x1, box->y1);
|
||
|
glVertex2i(box->x2, box->y1);
|
||
|
glVertex2i(box->x2, box->y2);
|
||
|
glVertex2i(box->x1, box->y2);
|
||
|
}
|
||
|
glEnd();
|
||
|
|
||
|
glamor_set_composite_op(screen, PictOpSrc, dest, mask);
|
||
|
glUseProgramObjectARB(0);
|
||
|
REGION_UNINIT(pDst->pDrawable->pScreen, ®ion);
|
||
|
|
||
|
return;
|
||
|
|
||
|
fail:
|
||
|
glamor_set_composite_op(screen, PictOpSrc, dest, mask);
|
||
|
glUseProgramObjectARB(0);
|
||
|
glamor_solid_fail_region(dest_pixmap, x_dest, y_dest, width, height);
|
||
|
}
|
||
|
|
||
|
|
||
|
/**
|
||
|
* Creates an appropriate picture to upload our alpha mask into (which
|
||
|
* we calculated in system memory)
|
||
|
*/
|
||
|
static PicturePtr
|
||
|
glamor_create_mask_picture(ScreenPtr screen,
|
||
|
PicturePtr dst,
|
||
|
PictFormatPtr pict_format,
|
||
|
CARD16 width,
|
||
|
CARD16 height)
|
||
|
{
|
||
|
PixmapPtr pixmap;
|
||
|
PicturePtr picture;
|
||
|
int error;
|
||
|
|
||
|
if (!pict_format) {
|
||
|
if (dst->polyEdge == PolyEdgeSharp)
|
||
|
pict_format = PictureMatchFormat(screen, 1, PICT_a1);
|
||
|
else
|
||
|
pict_format = PictureMatchFormat(screen, 8, PICT_a8);
|
||
|
if (!pict_format)
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
pixmap = screen->CreatePixmap(screen, width, height,
|
||
|
pict_format->depth,
|
||
|
0);
|
||
|
if (!pixmap)
|
||
|
return 0;
|
||
|
picture = CreatePicture(0, &pixmap->drawable, pict_format,
|
||
|
0, 0, serverClient, &error);
|
||
|
screen->DestroyPixmap(pixmap);
|
||
|
return picture;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* glamor_trapezoids is a copy of miTrapezoids that does all the trapezoid
|
||
|
* accumulation in system memory.
|
||
|
*/
|
||
|
void
|
||
|
glamor_trapezoids(CARD8 op,
|
||
|
PicturePtr src, PicturePtr dst,
|
||
|
PictFormatPtr mask_format, INT16 x_src, INT16 y_src,
|
||
|
int ntrap, xTrapezoid *traps)
|
||
|
{
|
||
|
ScreenPtr screen = dst->pDrawable->pScreen;
|
||
|
BoxRec bounds;
|
||
|
PicturePtr picture;
|
||
|
INT16 x_dst, y_dst;
|
||
|
INT16 x_rel, y_rel;
|
||
|
int width, height, stride;
|
||
|
PixmapPtr pixmap;
|
||
|
GCPtr gc;
|
||
|
pixman_image_t *image;
|
||
|
|
||
|
/* If a mask format wasn't provided, we get to choose, but behavior should
|
||
|
* be as if there was no temporary mask the traps were accumulated into.
|
||
|
*/
|
||
|
if (!mask_format) {
|
||
|
if (dst->polyEdge == PolyEdgeSharp)
|
||
|
mask_format = PictureMatchFormat(screen, 1, PICT_a1);
|
||
|
else
|
||
|
mask_format = PictureMatchFormat(screen, 8, PICT_a8);
|
||
|
for (; ntrap; ntrap--, traps++)
|
||
|
glamor_trapezoids(op, src, dst, mask_format, x_src, y_src,
|
||
|
1, traps);
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
miTrapezoidBounds(ntrap, traps, &bounds);
|
||
|
|
||
|
if (bounds.y1 >= bounds.y2 || bounds.x1 >= bounds.x2)
|
||
|
return;
|
||
|
|
||
|
x_dst = traps[0].left.p1.x >> 16;
|
||
|
y_dst = traps[0].left.p1.y >> 16;
|
||
|
|
||
|
width = bounds.x2 - bounds.x1;
|
||
|
height = bounds.y2 - bounds.y1;
|
||
|
stride = (width * BitsPerPixel(mask_format->depth) + 7) / 8;
|
||
|
|
||
|
picture = glamor_create_mask_picture(screen, dst, mask_format,
|
||
|
width, height);
|
||
|
if (!picture)
|
||
|
return;
|
||
|
|
||
|
image = pixman_image_create_bits(picture->format,
|
||
|
width, height,
|
||
|
NULL, stride);
|
||
|
if (!image) {
|
||
|
FreePicture(picture, 0);
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
for (; ntrap; ntrap--, traps++)
|
||
|
pixman_rasterize_trapezoid(image, (pixman_trapezoid_t *) traps,
|
||
|
-bounds.x1, -bounds.y1);
|
||
|
|
||
|
pixmap = GetScratchPixmapHeader(screen, width, height,
|
||
|
mask_format->depth,
|
||
|
BitsPerPixel(mask_format->depth),
|
||
|
PixmapBytePad(width, mask_format->depth),
|
||
|
pixman_image_get_data(image));
|
||
|
if (!pixmap) {
|
||
|
FreePicture(picture, 0);
|
||
|
pixman_image_unref(image);
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
gc = GetScratchGC(picture->pDrawable->depth, screen);
|
||
|
if (!gc) {
|
||
|
FreeScratchPixmapHeader(pixmap);
|
||
|
pixman_image_unref (image);
|
||
|
FreePicture(picture, 0);
|
||
|
return;
|
||
|
}
|
||
|
ValidateGC(picture->pDrawable, gc);
|
||
|
|
||
|
gc->ops->CopyArea(&pixmap->drawable, picture->pDrawable,
|
||
|
gc, 0, 0, width, height, 0, 0);
|
||
|
|
||
|
FreeScratchGC(gc);
|
||
|
FreeScratchPixmapHeader(pixmap);
|
||
|
pixman_image_unref(image);
|
||
|
|
||
|
x_rel = bounds.x1 + x_src - x_dst;
|
||
|
y_rel = bounds.y1 + y_src - y_dst;
|
||
|
CompositePicture(op, src, picture, dst,
|
||
|
x_rel, y_rel,
|
||
|
0, 0,
|
||
|
bounds.x1, bounds.y1,
|
||
|
bounds.x2 - bounds.x1, bounds.y2 - bounds.y1);
|
||
|
FreePicture(picture, 0);
|
||
|
}
|
||
|
|
||
|
#endif /* RENDER */
|