eb3487a448
Due to the coordinate system on EGL is different from FBO object. To support EGL surface well, we add this new feature. When calling glamor_init from EGL ddx driver, it should use the new flag GLAMOR_INVERTED_Y_AXIS.
1255 lines
34 KiB
C
1255 lines
34 KiB
C
/*
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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 "fbpict.h"
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#include "glu3/glu3.h"
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struct shader_key {
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enum shader_source source;
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enum shader_mask mask;
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enum shader_in in;
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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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static GLuint
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glamor_create_composite_fs(struct shader_key *key)
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{
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const char *source_solid_fetch =
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"uniform vec4 source;\n"
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"vec4 get_source()\n"
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"{\n"
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" return source;\n"
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"}\n";
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const char *source_alpha_pixmap_fetch =
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"uniform sampler2D source_sampler;\n"
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"vec4 get_source()\n"
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"{\n"
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" return texture2D(source_sampler, gl_TexCoord[0].xy);\n"
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"}\n";
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const char *source_pixmap_fetch =
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"uniform sampler2D source_sampler;\n"
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"vec4 get_source()\n"
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"{\n"
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" return vec4(texture2D(source_sampler, gl_TexCoord[0].xy).rgb,\n"
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" 1.0);\n"
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"}\n";
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const char *mask_solid_fetch =
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"uniform vec4 mask;\n"
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"vec4 get_mask()\n"
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"{\n"
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" return mask;\n"
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"}\n";
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const char *mask_alpha_pixmap_fetch =
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"uniform sampler2D mask_sampler;\n"
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"vec4 get_mask()\n"
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"{\n"
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" return texture2D(mask_sampler, gl_TexCoord[1].xy);\n"
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"}\n";
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const char *mask_pixmap_fetch =
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"uniform sampler2D mask_sampler;\n"
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"vec4 get_mask()\n"
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"{\n"
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" return vec4(texture2D(mask_sampler, gl_TexCoord[1].xy).rgb, \n"
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" 1.0);\n"
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"}\n";
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const char *in_source_only =
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"void main()\n"
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"{\n"
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" gl_FragColor = get_source();\n"
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"}\n";
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const char *in_normal =
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"void main()\n"
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"{\n"
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" gl_FragColor = get_source() * get_mask().a;\n"
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"}\n";
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const char *in_ca_source =
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"void main()\n"
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"{\n"
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" gl_FragColor = get_source() * get_mask();\n"
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"}\n";
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const char *in_ca_alpha =
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"void main()\n"
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"{\n"
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" gl_FragColor = get_source().a * get_mask();\n"
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"}\n";
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char *source;
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const char *source_fetch;
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const char *mask_fetch = "";
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const char *in;
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GLuint prog;
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switch (key->source) {
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case SHADER_SOURCE_SOLID:
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source_fetch = source_solid_fetch;
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break;
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case SHADER_SOURCE_TEXTURE_ALPHA:
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source_fetch = source_alpha_pixmap_fetch;
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break;
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case SHADER_SOURCE_TEXTURE:
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source_fetch = source_pixmap_fetch;
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break;
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default:
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FatalError("Bad composite shader source");
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}
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switch (key->mask) {
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case SHADER_MASK_NONE:
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break;
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case SHADER_MASK_SOLID:
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mask_fetch = mask_solid_fetch;
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break;
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case SHADER_MASK_TEXTURE_ALPHA:
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mask_fetch = mask_alpha_pixmap_fetch;
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break;
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case SHADER_MASK_TEXTURE:
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mask_fetch = mask_pixmap_fetch;
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break;
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default:
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FatalError("Bad composite shader mask");
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}
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switch (key->in) {
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case SHADER_IN_SOURCE_ONLY:
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in = in_source_only;
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break;
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case SHADER_IN_NORMAL:
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in = in_normal;
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break;
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case SHADER_IN_CA_SOURCE:
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in = in_ca_source;
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break;
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case SHADER_IN_CA_ALPHA:
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in = in_ca_alpha;
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break;
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default:
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FatalError("Bad composite IN type");
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}
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source = XNFprintf("%s%s%s",
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source_fetch,
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mask_fetch,
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in);
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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 *main_opening =
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"void main()\n"
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"{\n"
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" gl_Position = gl_Vertex;\n";
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const char *source_coords =
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" gl_TexCoord[0] = gl_MultiTexCoord0;\n";
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const char *mask_coords =
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" gl_TexCoord[1] = gl_MultiTexCoord1;\n";
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const char *main_closing =
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"}\n";
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const char *source_coords_setup = "";
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const char *mask_coords_setup = "";
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char *source;
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GLuint prog;
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if (key->source != SHADER_SOURCE_SOLID)
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source_coords_setup = source_coords;
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if (key->mask != SHADER_MASK_NONE && key->mask != SHADER_MASK_SOLID)
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mask_coords_setup = mask_coords;
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source = XNFprintf("%s%s%s%s",
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main_opening,
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source_coords_setup,
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mask_coords_setup,
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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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glamor_composite_shader *shader)
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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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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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if (key->source == SHADER_SOURCE_SOLID) {
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shader->source_uniform_location = glGetUniformLocationARB(prog,
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"source");
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} else {
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source_sampler_uniform_location = glGetUniformLocationARB(prog,
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"source_sampler");
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glUniform1i(source_sampler_uniform_location, 0);
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}
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if (key->mask != SHADER_MASK_NONE) {
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if (key->mask == SHADER_MASK_SOLID) {
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shader->mask_uniform_location = glGetUniformLocationARB(prog,
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"mask");
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} else {
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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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}
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}
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}
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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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glamor_composite_shader *shader;
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shader = &glamor_priv->composite_shader[key->source][key->mask][key->in];
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if (shader->prog == 0)
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glamor_create_composite_shader(screen, key, shader);
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return shader;
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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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}
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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 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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/* 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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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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}
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static void
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glamor_set_composite_texture(ScreenPtr screen, int unit, PicturePtr picture,
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glamor_pixmap_private *pixmap_priv)
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{
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glActiveTexture(GL_TEXTURE0 + unit);
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glBindTexture(GL_TEXTURE_2D, pixmap_priv->tex);
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switch (picture->repeatType) {
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case RepeatNone:
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_BORDER);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_BORDER);
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break;
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case RepeatNormal:
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
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break;
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case RepeatPad:
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
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break;
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case RepeatReflect:
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_MIRRORED_REPEAT);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_MIRRORED_REPEAT);
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break;
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}
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switch (picture->filter) {
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case PictFilterNearest:
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glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
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glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
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break;
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case PictFilterBilinear:
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default:
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glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
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glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
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break;
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}
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glEnable(GL_TEXTURE_2D);
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}
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static void
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glamor_set_composite_solid(PicturePtr picture, GLint uniform_location)
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{
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CARD32 c = picture->pSourcePict->solidFill.color; /* a8r8g8b8 */
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float color[4]; /* rgba */
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color[0] = ((c >> 16) & 0xff) / 255.0;
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color[1] = ((c >> 8) & 0xff) / 255.0;
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color[2] = ((c >> 0) & 0xff) / 255.0;
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color[3] = ((c >> 24) & 0xff) / 255.0;
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glUniform4fvARB(uniform_location, 1, color);
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}
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static int
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compatible_formats (CARD8 op, PicturePtr dst, PicturePtr src)
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{
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if (op == PictOpSrc) {
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if (src->format == dst->format)
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return 1;
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if (src->format == PICT_a8r8g8b8 && dst->format == PICT_x8r8g8b8)
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return 1;
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if (src->format == PICT_a8b8g8r8 && dst->format == PICT_x8b8g8r8)
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return 1;
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} else if (op == PictOpOver) {
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if (src->alphaMap || dst->alphaMap)
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return 0;
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if (src->format != dst->format)
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return 0;
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if (src->format == PICT_x8r8g8b8 || src->format == PICT_x8b8g8r8)
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return 1;
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}
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return 0;
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}
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static char
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glamor_get_picture_location(PicturePtr picture)
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{
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if (picture == NULL)
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return ' ';
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if (picture->pDrawable == NULL) {
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switch (picture->pSourcePict->type) {
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case SourcePictTypeSolidFill:
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return 'c';
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case SourcePictTypeLinear:
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return 'l';
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case SourcePictTypeRadial:
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return 'r';
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default:
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return '?';
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}
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}
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return glamor_get_drawable_location(picture->pDrawable);
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}
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static Bool
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glamor_composite_with_copy(CARD8 op,
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PicturePtr source,
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PicturePtr dest,
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INT16 x_source,
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INT16 y_source,
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INT16 x_dest,
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INT16 y_dest,
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CARD16 width,
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CARD16 height)
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{
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RegionRec region;
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|
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if (!source->pDrawable)
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return FALSE;
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if (!compatible_formats(op, dest, source))
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return FALSE;
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if (source->repeat || source->transform)
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return FALSE;
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x_dest += dest->pDrawable->x;
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y_dest += dest->pDrawable->y;
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x_source += source->pDrawable->x;
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y_source += source->pDrawable->y;
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if (!miComputeCompositeRegion(®ion,
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source, NULL, dest,
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x_source, y_source,
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0, 0,
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x_dest, y_dest,
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width, height))
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return TRUE;
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glamor_copy_n_to_n(source->pDrawable,
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dest->pDrawable, NULL,
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REGION_RECTS(®ion),
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REGION_NUM_RECTS(®ion),
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x_source - x_dest, y_source - y_dest,
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FALSE, FALSE, 0, NULL);
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REGION_UNINIT(dest->pDrawable->pScreen,
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®ion);
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return TRUE;
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}
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static Bool
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good_source_format(PicturePtr picture)
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{
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switch (picture->format) {
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case PICT_a1:
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case PICT_a8:
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case PICT_a8r8g8b8:
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return TRUE;
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case PICT_x8r8g8b8:
|
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/* In order to support formats with no alpha, we have to wire the
|
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* alpha to 1 in the shader, which conflicts with
|
|
* GL_CLAMP_TO_BORDERing to transparent. We could possibly compute
|
|
* coverage of the texels in the sampling area if we need to, but
|
|
* that isn't implemented today.
|
|
*/
|
|
return (picture->repeatType != RepeatNone);
|
|
default:
|
|
glamor_fallback("Bad source format 0x%08x\n", picture->format);
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
static Bool
|
|
good_mask_format(PicturePtr picture)
|
|
{
|
|
switch (picture->format) {
|
|
case PICT_a1:
|
|
case PICT_a8:
|
|
case PICT_a8r8g8b8:
|
|
return TRUE;
|
|
case PICT_x8r8g8b8:
|
|
/* In order to support formats with no alpha, we have to wire the
|
|
* alpha to 1 in the shader, which conflicts with
|
|
* GL_CLAMP_TO_BORDERing to transparent. We could possibly compute
|
|
* coverage of the texels in the sampling area if we need to, but
|
|
* that isn't implemented today.
|
|
*/
|
|
return (picture->repeatType != RepeatNone);
|
|
default:
|
|
glamor_fallback("Bad mask format 0x%08x\n", picture->format);
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
static Bool
|
|
good_dest_format(PicturePtr picture)
|
|
{
|
|
switch (picture->format) {
|
|
case PICT_a8:
|
|
case PICT_a8r8g8b8:
|
|
case PICT_x8r8g8b8:
|
|
return TRUE;
|
|
default:
|
|
glamor_fallback("Bad dest format 0x%08x\n", picture->format);
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
static inline float
|
|
xFixedToFloat(pixman_fixed_t val)
|
|
{
|
|
return ((float)xFixedToInt(val) + ((float)xFixedFrac(val) / 65536.0));
|
|
}
|
|
|
|
static void
|
|
glamor_set_transformed_point(PicturePtr picture, PixmapPtr pixmap,
|
|
float *texcoord, int x, int y)
|
|
{
|
|
float result[3];
|
|
int i;
|
|
float tx, ty;
|
|
ScreenPtr screen = picture->pDrawable->pScreen;
|
|
glamor_screen_private *glamor_priv = glamor_get_screen_private(screen);
|
|
|
|
if (picture->transform) {
|
|
for (i = 0; i < 3; i++) {
|
|
result[i] = (xFixedToFloat(picture->transform->matrix[i][0]) * x +
|
|
xFixedToFloat(picture->transform->matrix[i][1]) * y +
|
|
xFixedToFloat(picture->transform->matrix[i][2]));
|
|
}
|
|
tx = result[0] / result[2];
|
|
ty = result[1] / result[2];
|
|
} else {
|
|
tx = x;
|
|
ty = y;
|
|
}
|
|
texcoord[0] = t_from_x_coord_x(pixmap, tx);
|
|
if (glamor_priv->yInverted)
|
|
texcoord[1] = t_from_x_coord_y_inverted(pixmap, ty);
|
|
else
|
|
texcoord[1] = t_from_x_coord_y(pixmap, ty);
|
|
}
|
|
|
|
static void
|
|
glamor_setup_composite_vbo(ScreenPtr screen)
|
|
{
|
|
glamor_screen_private *glamor_priv = glamor_get_screen_private(screen);
|
|
|
|
glamor_priv->vb_stride = 2 * sizeof(float);
|
|
if (glamor_priv->has_source_coords)
|
|
glamor_priv->vb_stride += 2 * sizeof(float);
|
|
if (glamor_priv->has_mask_coords)
|
|
glamor_priv->vb_stride += 2 * sizeof(float);
|
|
|
|
glBindBufferARB(GL_ARRAY_BUFFER_ARB, glamor_priv->vbo);
|
|
glVertexPointer(2, GL_FLOAT, glamor_priv->vb_stride,
|
|
(void *)(glamor_priv->vbo_offset));
|
|
glEnableClientState(GL_VERTEX_ARRAY);
|
|
|
|
if (glamor_priv->has_source_coords) {
|
|
glClientActiveTexture(GL_TEXTURE0);
|
|
glTexCoordPointer(2, GL_FLOAT, glamor_priv->vb_stride,
|
|
(void *)(glamor_priv->vbo_offset + 2 * sizeof(float)));
|
|
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
|
|
}
|
|
|
|
if (glamor_priv->has_mask_coords) {
|
|
glClientActiveTexture(GL_TEXTURE1);
|
|
glTexCoordPointer(2, GL_FLOAT, glamor_priv->vb_stride,
|
|
(void *)(glamor_priv->vbo_offset +
|
|
(glamor_priv->has_source_coords ? 4 : 2) *
|
|
sizeof(float)));
|
|
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
|
|
}
|
|
}
|
|
|
|
static void
|
|
glamor_emit_composite_vert(ScreenPtr screen,
|
|
const float *src_coords,
|
|
const float *mask_coords,
|
|
const float *dst_coords,
|
|
int i)
|
|
{
|
|
glamor_screen_private *glamor_priv = glamor_get_screen_private(screen);
|
|
float *vb = (float *)(glamor_priv->vb + glamor_priv->vbo_offset);
|
|
int j = 0;
|
|
|
|
vb[j++] = dst_coords[i * 2 + 0];
|
|
vb[j++] = dst_coords[i * 2 + 1];
|
|
if (glamor_priv->has_source_coords) {
|
|
vb[j++] = src_coords[i * 2 + 0];
|
|
vb[j++] = src_coords[i * 2 + 1];
|
|
}
|
|
if (glamor_priv->has_mask_coords) {
|
|
vb[j++] = mask_coords[i * 2 + 0];
|
|
vb[j++] = mask_coords[i * 2 + 1];
|
|
}
|
|
|
|
glamor_priv->render_nr_verts++;
|
|
glamor_priv->vbo_offset += glamor_priv->vb_stride;
|
|
}
|
|
|
|
static void
|
|
glamor_flush_composite_rects(ScreenPtr screen)
|
|
{
|
|
glamor_screen_private *glamor_priv = glamor_get_screen_private(screen);
|
|
|
|
if (!glamor_priv->render_nr_verts)
|
|
return;
|
|
|
|
glUnmapBufferARB(GL_ARRAY_BUFFER_ARB);
|
|
glamor_priv->vb = NULL;
|
|
|
|
glDrawArrays(GL_QUADS, 0, glamor_priv->render_nr_verts);
|
|
glamor_priv->render_nr_verts = 0;
|
|
glamor_priv->vbo_size = 0;
|
|
}
|
|
|
|
static void
|
|
glamor_emit_composite_rect(ScreenPtr screen,
|
|
const float *src_coords,
|
|
const float *mask_coords,
|
|
const float *dst_coords)
|
|
{
|
|
glamor_screen_private *glamor_priv = glamor_get_screen_private(screen);
|
|
|
|
if (glamor_priv->vbo_offset + 4 * glamor_priv->vb_stride >
|
|
glamor_priv->vbo_size)
|
|
{
|
|
glamor_flush_composite_rects(screen);
|
|
}
|
|
|
|
if (glamor_priv->vbo_size == 0) {
|
|
if (glamor_priv->vbo == 0)
|
|
glGenBuffersARB(1, &glamor_priv->vbo);
|
|
glBindBufferARB(GL_ARRAY_BUFFER_ARB, glamor_priv->vbo);
|
|
|
|
glamor_priv->vbo_size = 4096;
|
|
glBufferDataARB(GL_ARRAY_BUFFER_ARB, glamor_priv->vbo_size, NULL,
|
|
GL_STREAM_DRAW_ARB);
|
|
glamor_priv->vbo_offset = 0;
|
|
glamor_priv->vb = glMapBufferARB(GL_ARRAY_BUFFER_ARB, GL_WRITE_ONLY_ARB);
|
|
glamor_setup_composite_vbo(screen);
|
|
}
|
|
|
|
glamor_emit_composite_vert(screen, src_coords, mask_coords, dst_coords, 0);
|
|
glamor_emit_composite_vert(screen, src_coords, mask_coords, dst_coords, 1);
|
|
glamor_emit_composite_vert(screen, src_coords, mask_coords, dst_coords, 2);
|
|
glamor_emit_composite_vert(screen, src_coords, mask_coords, dst_coords, 3);
|
|
}
|
|
|
|
static Bool
|
|
glamor_composite_with_shader(CARD8 op,
|
|
PicturePtr source,
|
|
PicturePtr mask,
|
|
PicturePtr dest,
|
|
int nrect,
|
|
glamor_composite_rect_t *rects)
|
|
{
|
|
ScreenPtr screen = dest->pDrawable->pScreen;
|
|
glamor_screen_private *glamor_priv = glamor_get_screen_private(screen);
|
|
PixmapPtr dest_pixmap = glamor_get_drawable_pixmap(dest->pDrawable);
|
|
PixmapPtr source_pixmap = NULL, mask_pixmap = NULL;
|
|
glamor_pixmap_private *source_pixmap_priv = NULL;
|
|
glamor_pixmap_private *mask_pixmap_priv = NULL;
|
|
struct shader_key key;
|
|
glamor_composite_shader *shader;
|
|
RegionRec region;
|
|
float vertices[8], source_texcoords[8], mask_texcoords[8];
|
|
int i;
|
|
BoxPtr box;
|
|
int dest_x_off, dest_y_off;
|
|
int source_x_off, source_y_off;
|
|
int mask_x_off, mask_y_off;
|
|
|
|
memset(&key, 0, sizeof(key));
|
|
if (!source->pDrawable) {
|
|
if (source->pSourcePict->type == SourcePictTypeSolidFill) {
|
|
key.source = SHADER_SOURCE_SOLID;
|
|
} else {
|
|
glamor_fallback("gradient source\n");
|
|
goto fail;
|
|
}
|
|
} else {
|
|
if (PICT_FORMAT_A(source->format) != 0) {
|
|
key.source = SHADER_SOURCE_TEXTURE_ALPHA;
|
|
} else {
|
|
key.source = SHADER_SOURCE_TEXTURE;
|
|
}
|
|
}
|
|
if (mask) {
|
|
if (!mask->pDrawable) {
|
|
if (mask->pSourcePict->type == SourcePictTypeSolidFill) {
|
|
key.mask = SHADER_MASK_SOLID;
|
|
} else {
|
|
glamor_fallback("gradient mask\n");
|
|
goto fail;
|
|
}
|
|
} else {
|
|
if (PICT_FORMAT_A(mask->format) != 0) {
|
|
key.mask = SHADER_MASK_TEXTURE_ALPHA;
|
|
} else {
|
|
key.mask = SHADER_MASK_TEXTURE;
|
|
}
|
|
}
|
|
|
|
if (!mask->componentAlpha) {
|
|
key.in = SHADER_IN_NORMAL;
|
|
} else {
|
|
/* We only handle two CA modes. */
|
|
if (op == PictOpAdd)
|
|
key.in = SHADER_IN_CA_SOURCE;
|
|
else if (op == PictOpOutReverse) {
|
|
key.in = SHADER_IN_CA_ALPHA;
|
|
} else {
|
|
glamor_fallback("Unsupported component alpha op: %d\n", op);
|
|
goto fail;
|
|
}
|
|
}
|
|
} else {
|
|
key.mask = SHADER_MASK_NONE;
|
|
key.in = SHADER_IN_SOURCE_ONLY;
|
|
}
|
|
|
|
if (source->alphaMap) {
|
|
glamor_fallback("source alphaMap\n");
|
|
goto fail;
|
|
}
|
|
if (mask && mask->alphaMap) {
|
|
glamor_fallback("mask alphaMap\n");
|
|
goto fail;
|
|
}
|
|
|
|
if (key.source == SHADER_SOURCE_TEXTURE ||
|
|
key.source == SHADER_SOURCE_TEXTURE_ALPHA) {
|
|
source_pixmap = glamor_get_drawable_pixmap(source->pDrawable);
|
|
source_pixmap_priv = glamor_get_pixmap_private(source_pixmap);
|
|
if (source_pixmap == dest_pixmap) {
|
|
glamor_fallback("glamor_composite(): source == dest\n");
|
|
goto fail;
|
|
}
|
|
if (!source_pixmap_priv || source_pixmap_priv->tex == 0) {
|
|
glamor_fallback("glamor_composite(): no texture in source\n");
|
|
goto fail;
|
|
}
|
|
if (!good_source_format(source))
|
|
goto fail;
|
|
}
|
|
if (key.mask == SHADER_MASK_TEXTURE ||
|
|
key.mask == SHADER_MASK_TEXTURE_ALPHA) {
|
|
mask_pixmap = glamor_get_drawable_pixmap(mask->pDrawable);
|
|
mask_pixmap_priv = glamor_get_pixmap_private(mask_pixmap);
|
|
if (mask_pixmap == dest_pixmap) {
|
|
glamor_fallback("glamor_composite(): mask == dest\n");
|
|
goto fail;
|
|
}
|
|
if (!mask_pixmap_priv || mask_pixmap_priv->tex == 0) {
|
|
glamor_fallback("glamor_composite(): no texture in mask\n");
|
|
goto fail;
|
|
}
|
|
if (!good_mask_format(mask))
|
|
goto fail;
|
|
}
|
|
if (!good_dest_format(dest))
|
|
goto fail;
|
|
|
|
shader = glamor_lookup_composite_shader(screen, &key);
|
|
if (shader->prog == 0) {
|
|
glamor_fallback("glamor_composite(): "
|
|
"no shader program for this render acccel 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;
|
|
}
|
|
|
|
if (key.source == SHADER_SOURCE_SOLID) {
|
|
glamor_set_composite_solid(source, shader->source_uniform_location);
|
|
} else {
|
|
glamor_set_composite_texture(screen, 0, source, source_pixmap_priv);
|
|
}
|
|
if (key.mask != SHADER_MASK_NONE) {
|
|
if (key.mask == SHADER_MASK_SOLID) {
|
|
glamor_set_composite_solid(mask, shader->mask_uniform_location);
|
|
} else {
|
|
glamor_set_composite_texture(screen, 1, mask, mask_pixmap_priv);
|
|
}
|
|
}
|
|
|
|
glamor_priv->has_source_coords = key.source != SHADER_SOURCE_SOLID;
|
|
glamor_priv->has_mask_coords = (key.mask != SHADER_MASK_NONE &&
|
|
key.mask != SHADER_MASK_SOLID);
|
|
|
|
glamor_get_drawable_deltas(dest->pDrawable, dest_pixmap,
|
|
&dest_x_off, &dest_y_off);
|
|
if (source_pixmap) {
|
|
glamor_get_drawable_deltas(source->pDrawable, source_pixmap,
|
|
&source_x_off, &source_y_off);
|
|
}
|
|
if (mask_pixmap) {
|
|
glamor_get_drawable_deltas(mask->pDrawable, mask_pixmap,
|
|
&mask_x_off, &mask_y_off);
|
|
}
|
|
|
|
while (nrect--) {
|
|
INT16 x_source;
|
|
INT16 y_source;
|
|
INT16 x_mask;
|
|
INT16 y_mask;
|
|
INT16 x_dest;
|
|
INT16 y_dest;
|
|
CARD16 width;
|
|
CARD16 height;
|
|
|
|
x_dest = rects->x_dst;
|
|
y_dest = rects->y_dst;
|
|
x_source = rects->x_src;
|
|
y_source = rects->y_src;
|
|
x_mask = rects->x_mask;
|
|
y_mask = rects->y_mask;
|
|
width = rects->width;
|
|
height = rects->height;
|
|
|
|
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;
|
|
}
|
|
|
|
if (!miComputeCompositeRegion(®ion,
|
|
source, mask, dest,
|
|
x_source, y_source,
|
|
x_mask, y_mask,
|
|
x_dest, y_dest,
|
|
width, height))
|
|
continue;
|
|
|
|
x_source += source_x_off;
|
|
y_source += source_y_off;
|
|
x_mask += mask_x_off;
|
|
y_mask += mask_y_off;
|
|
|
|
box = REGION_RECTS(®ion);
|
|
for (i = 0; i < REGION_NUM_RECTS(®ion); i++) {
|
|
vertices[0] = v_from_x_coord_x(dest_pixmap,
|
|
box[i].x1 + dest_x_off);
|
|
vertices[2] = v_from_x_coord_x(dest_pixmap,
|
|
box[i].x2 + dest_x_off);
|
|
vertices[4] = v_from_x_coord_x(dest_pixmap,
|
|
box[i].x2 + dest_x_off);
|
|
vertices[6] = v_from_x_coord_x(dest_pixmap,
|
|
box[i].x1 + dest_x_off);
|
|
|
|
if (glamor_priv->yInverted) {
|
|
vertices[1] = v_from_x_coord_y_inverted(dest_pixmap,
|
|
box[i].y1 + dest_y_off);
|
|
vertices[3] = v_from_x_coord_y_inverted(dest_pixmap,
|
|
box[i].y1 + dest_y_off);
|
|
vertices[5] = v_from_x_coord_y_inverted(dest_pixmap,
|
|
box[i].y2 + dest_y_off);
|
|
vertices[7] = v_from_x_coord_y_inverted(dest_pixmap,
|
|
box[i].y2 + dest_y_off);
|
|
|
|
} else {
|
|
vertices[1] = v_from_x_coord_y(dest_pixmap,
|
|
box[i].y1 + dest_y_off);
|
|
vertices[3] = v_from_x_coord_y(dest_pixmap,
|
|
box[i].y1 + dest_y_off);
|
|
vertices[5] = v_from_x_coord_y(dest_pixmap,
|
|
box[i].y2 + dest_y_off);
|
|
vertices[7] = v_from_x_coord_y(dest_pixmap,
|
|
box[i].y2 + dest_y_off);
|
|
}
|
|
if (key.source != SHADER_SOURCE_SOLID) {
|
|
int tx1 = box[i].x1 + x_source - x_dest;
|
|
int ty1 = box[i].y1 + y_source - y_dest;
|
|
int tx2 = box[i].x2 + x_source - x_dest;
|
|
int ty2 = box[i].y2 + y_source - y_dest;
|
|
|
|
glamor_set_transformed_point(source, source_pixmap,
|
|
source_texcoords + 0, tx1, ty1);
|
|
glamor_set_transformed_point(source, source_pixmap,
|
|
source_texcoords + 2, tx2, ty1);
|
|
glamor_set_transformed_point(source, source_pixmap,
|
|
source_texcoords + 4, tx2, ty2);
|
|
glamor_set_transformed_point(source, source_pixmap,
|
|
source_texcoords + 6, tx1, ty2);
|
|
}
|
|
|
|
if (key.mask != SHADER_MASK_NONE && key.mask != SHADER_MASK_SOLID) {
|
|
float tx1 = box[i].x1 + x_mask - x_dest;
|
|
float ty1 = box[i].y1 + y_mask - y_dest;
|
|
float tx2 = box[i].x2 + x_mask - x_dest;
|
|
float ty2 = box[i].y2 + y_mask - y_dest;
|
|
|
|
glamor_set_transformed_point(mask, mask_pixmap,
|
|
mask_texcoords + 0, tx1, ty1);
|
|
glamor_set_transformed_point(mask, mask_pixmap,
|
|
mask_texcoords + 2, tx2, ty1);
|
|
glamor_set_transformed_point(mask, mask_pixmap,
|
|
mask_texcoords + 4, tx2, ty2);
|
|
glamor_set_transformed_point(mask, mask_pixmap,
|
|
mask_texcoords + 6, tx1, ty2);
|
|
}
|
|
#if 0
|
|
else memset(mask_texcoords, 0, sizeof(mask_texcoords));
|
|
for (i = 0; i < 4; i++) {
|
|
ErrorF("%d: (%04.4f, %04.4f) (%04.4f, %04.4f) "
|
|
"(%04.4f, %04.4f)\n",
|
|
i,
|
|
source_texcoords[i][0], source_texcoords[i][1],
|
|
mask_texcoords[i][0], mask_texcoords[i][1],
|
|
vertices[i][0], vertices[i][1]);
|
|
}
|
|
#endif
|
|
|
|
glamor_emit_composite_rect(screen, source_texcoords,
|
|
mask_texcoords, vertices);
|
|
}
|
|
rects++;
|
|
}
|
|
|
|
glamor_flush_composite_rects(screen);
|
|
|
|
glBindBufferARB(GL_ARRAY_BUFFER_ARB, 0);
|
|
glClientActiveTexture(GL_TEXTURE0);
|
|
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
|
|
glClientActiveTexture(GL_TEXTURE1);
|
|
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
|
|
glDisableClientState(GL_VERTEX_ARRAY);
|
|
|
|
REGION_UNINIT(dst->pDrawable->pScreen, ®ion);
|
|
glDisable(GL_BLEND);
|
|
glActiveTexture(GL_TEXTURE0);
|
|
glDisable(GL_TEXTURE_2D);
|
|
glActiveTexture(GL_TEXTURE1);
|
|
glDisable(GL_TEXTURE_2D);
|
|
glUseProgramObjectARB(0);
|
|
return TRUE;
|
|
|
|
fail:
|
|
glDisable(GL_BLEND);
|
|
glUseProgramObjectARB(0);
|
|
return FALSE;
|
|
}
|
|
|
|
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)
|
|
{
|
|
glamor_composite_rect_t rect;
|
|
|
|
/* Do two-pass PictOpOver componentAlpha, until we enable
|
|
* dual source color blending.
|
|
*/
|
|
if (mask && mask->componentAlpha) {
|
|
if (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;
|
|
} else if (op != PictOpAdd && op != PictOpOutReverse) {
|
|
glamor_fallback("glamor_composite(): component alpha\n");
|
|
goto fail;
|
|
}
|
|
}
|
|
|
|
if (!mask) {
|
|
if (glamor_composite_with_copy(op, source, dest,
|
|
x_source, y_source,
|
|
x_dest, y_dest,
|
|
width, height))
|
|
return;
|
|
}
|
|
|
|
rect.x_src = x_source;
|
|
rect.y_src = y_source;
|
|
rect.x_mask = x_mask;
|
|
rect.y_mask = y_mask;
|
|
rect.x_dst = x_dest;
|
|
rect.y_dst = y_dest;
|
|
rect.width = width;
|
|
rect.height = height;
|
|
if (glamor_composite_with_shader(op, source, mask, dest, 1, &rect))
|
|
return;
|
|
|
|
fail:
|
|
glamor_fallback("glamor_composite(): "
|
|
"from picts %p/%p(%c,%c) to pict %p (%c)\n",
|
|
source, mask,
|
|
glamor_get_picture_location(source),
|
|
glamor_get_picture_location(mask),
|
|
dest,
|
|
glamor_get_picture_location(dest));
|
|
|
|
glUseProgramObjectARB(0);
|
|
glDisable(GL_BLEND);
|
|
if (glamor_prepare_access(dest->pDrawable, GLAMOR_ACCESS_RW)) {
|
|
if (source->pDrawable == NULL ||
|
|
glamor_prepare_access(source->pDrawable, GLAMOR_ACCESS_RO))
|
|
{
|
|
if (!mask || mask->pDrawable == NULL ||
|
|
glamor_prepare_access(mask->pDrawable, GLAMOR_ACCESS_RO))
|
|
{
|
|
fbComposite(op,
|
|
source, mask, dest,
|
|
x_source, y_source,
|
|
x_mask, y_mask,
|
|
x_dest, y_dest,
|
|
width, height);
|
|
if (mask && mask->pDrawable != NULL)
|
|
glamor_finish_access(mask->pDrawable);
|
|
}
|
|
if (source->pDrawable != NULL)
|
|
glamor_finish_access(source->pDrawable);
|
|
}
|
|
glamor_finish_access(dest->pDrawable);
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* 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);
|
|
}
|
|
|
|
void
|
|
glamor_composite_rects(CARD8 op,
|
|
PicturePtr src, PicturePtr dst,
|
|
int nrect, glamor_composite_rect_t *rects)
|
|
{
|
|
int n;
|
|
glamor_composite_rect_t *r;
|
|
|
|
ValidatePicture(src);
|
|
ValidatePicture(dst);
|
|
|
|
if (glamor_composite_with_shader(op, src, NULL, dst, nrect, rects))
|
|
return;
|
|
|
|
n = nrect;
|
|
r = rects;
|
|
|
|
while (n--) {
|
|
CompositePicture(op,
|
|
src,
|
|
NULL,
|
|
dst,
|
|
r->x_src, r->y_src,
|
|
0, 0,
|
|
r->x_dst, r->y_dst,
|
|
r->width, r->height);
|
|
r++;
|
|
}
|
|
}
|
|
|
|
#endif /* RENDER */
|