535 lines
18 KiB
C
535 lines
18 KiB
C
/*
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* Copyright © 2013 Red Hat
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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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* Dave Airlie <airlied@redhat.com>
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*
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* some code is derived from the xf86-video-ati radeon driver, mainly
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* the calculations.
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*/
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/** @file glamor_xv.c
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*
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* Xv acceleration implementation
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*/
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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#include "glamor_priv.h"
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#include "glamor_transform.h"
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#include "glamor_transfer.h"
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#include <X11/extensions/Xv.h>
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#include "../hw/xfree86/common/fourcc.h"
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/* Reference color space transform data */
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typedef struct tagREF_TRANSFORM {
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float RefLuma;
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float RefRCb;
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float RefRCr;
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float RefGCb;
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float RefGCr;
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float RefBCb;
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float RefBCr;
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} REF_TRANSFORM;
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#define RTFSaturation(a) (1.0 + ((a)*1.0)/1000.0)
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#define RTFBrightness(a) (((a)*1.0)/2000.0)
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#define RTFIntensity(a) (((a)*1.0)/2000.0)
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#define RTFContrast(a) (1.0 + ((a)*1.0)/1000.0)
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#define RTFHue(a) (((a)*3.1416)/1000.0)
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static const glamor_facet glamor_facet_xv_planar = {
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.name = "xv_planar",
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.source_name = "v_texcoord0",
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.vs_vars = ("attribute vec2 position;\n"
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"attribute vec2 v_texcoord0;\n"
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"varying vec2 tcs;\n"),
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.vs_exec = (GLAMOR_POS(gl_Position, position)
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" tcs = v_texcoord0;\n"),
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.fs_vars = ("uniform sampler2D y_sampler;\n"
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"uniform sampler2D u_sampler;\n"
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"uniform sampler2D v_sampler;\n"
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"uniform vec4 offsetyco;\n"
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"uniform vec4 ucogamma;\n"
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"uniform vec4 vco;\n"
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"varying vec2 tcs;\n"),
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.fs_exec = (
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" float sample;\n"
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" vec4 temp1;\n"
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" sample = texture2D(y_sampler, tcs).w;\n"
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" temp1.xyz = offsetyco.www * vec3(sample) + offsetyco.xyz;\n"
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" sample = texture2D(u_sampler, tcs).w;\n"
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" temp1.xyz = ucogamma.xyz * vec3(sample) + temp1.xyz;\n"
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" sample = texture2D(v_sampler, tcs).w;\n"
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" temp1.xyz = clamp(vco.xyz * vec3(sample) + temp1.xyz, 0.0, 1.0);\n"
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" temp1.w = 1.0;\n"
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" gl_FragColor = temp1;\n"
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),
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};
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#define MAKE_ATOM(a) MakeAtom(a, sizeof(a) - 1, TRUE)
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XvAttributeRec glamor_xv_attributes[] = {
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{XvSettable | XvGettable, -1000, 1000, (char *)"XV_BRIGHTNESS"},
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{XvSettable | XvGettable, -1000, 1000, (char *)"XV_CONTRAST"},
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{XvSettable | XvGettable, -1000, 1000, (char *)"XV_SATURATION"},
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{XvSettable | XvGettable, -1000, 1000, (char *)"XV_HUE"},
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{XvSettable | XvGettable, 0, 1, (char *)"XV_COLORSPACE"},
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{0, 0, 0, NULL}
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};
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int glamor_xv_num_attributes = ARRAY_SIZE(glamor_xv_attributes) - 1;
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Atom glamorBrightness, glamorContrast, glamorSaturation, glamorHue,
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glamorColorspace, glamorGamma;
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XvImageRec glamor_xv_images[] = {
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XVIMAGE_YV12,
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XVIMAGE_I420,
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};
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int glamor_xv_num_images = ARRAY_SIZE(glamor_xv_images);
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static void
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glamor_init_xv_shader(ScreenPtr screen)
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{
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glamor_screen_private *glamor_priv = glamor_get_screen_private(screen);
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GLint sampler_loc;
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glamor_build_program(screen,
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&glamor_priv->xv_prog,
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&glamor_facet_xv_planar, NULL, NULL, NULL);
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glUseProgram(glamor_priv->xv_prog.prog);
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sampler_loc = glGetUniformLocation(glamor_priv->xv_prog.prog, "y_sampler");
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glUniform1i(sampler_loc, 0);
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sampler_loc = glGetUniformLocation(glamor_priv->xv_prog.prog, "u_sampler");
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glUniform1i(sampler_loc, 1);
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sampler_loc = glGetUniformLocation(glamor_priv->xv_prog.prog, "v_sampler");
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glUniform1i(sampler_loc, 2);
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}
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#define ClipValue(v,min,max) ((v) < (min) ? (min) : (v) > (max) ? (max) : (v))
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void
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glamor_xv_stop_video(glamor_port_private *port_priv)
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{
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}
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static void
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glamor_xv_free_port_data(glamor_port_private *port_priv)
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{
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int i;
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for (i = 0; i < 3; i++) {
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if (port_priv->src_pix[i]) {
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glamor_destroy_pixmap(port_priv->src_pix[i]);
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port_priv->src_pix[i] = NULL;
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}
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}
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RegionUninit(&port_priv->clip);
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RegionNull(&port_priv->clip);
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}
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int
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glamor_xv_set_port_attribute(glamor_port_private *port_priv,
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Atom attribute, INT32 value)
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{
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if (attribute == glamorBrightness)
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port_priv->brightness = ClipValue(value, -1000, 1000);
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else if (attribute == glamorHue)
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port_priv->hue = ClipValue(value, -1000, 1000);
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else if (attribute == glamorContrast)
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port_priv->contrast = ClipValue(value, -1000, 1000);
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else if (attribute == glamorSaturation)
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port_priv->saturation = ClipValue(value, -1000, 1000);
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else if (attribute == glamorGamma)
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port_priv->gamma = ClipValue(value, 100, 10000);
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else if (attribute == glamorColorspace)
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port_priv->transform_index = ClipValue(value, 0, 1);
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else
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return BadMatch;
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return Success;
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}
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int
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glamor_xv_get_port_attribute(glamor_port_private *port_priv,
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Atom attribute, INT32 *value)
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{
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if (attribute == glamorBrightness)
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*value = port_priv->brightness;
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else if (attribute == glamorHue)
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*value = port_priv->hue;
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else if (attribute == glamorContrast)
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*value = port_priv->contrast;
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else if (attribute == glamorSaturation)
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*value = port_priv->saturation;
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else if (attribute == glamorGamma)
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*value = port_priv->gamma;
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else if (attribute == glamorColorspace)
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*value = port_priv->transform_index;
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else
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return BadMatch;
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return Success;
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}
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int
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glamor_xv_query_image_attributes(int id,
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unsigned short *w, unsigned short *h,
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int *pitches, int *offsets)
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{
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int size = 0, tmp;
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if (offsets)
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offsets[0] = 0;
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switch (id) {
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case FOURCC_YV12:
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case FOURCC_I420:
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*h = ALIGN(*h, 2);
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size = ALIGN(*w, 4);
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if (pitches)
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pitches[0] = size;
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size *= *h;
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if (offsets)
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offsets[1] = size;
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tmp = ALIGN(*w >> 1, 4);
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if (pitches)
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pitches[1] = pitches[2] = tmp;
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tmp *= (*h >> 1);
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size += tmp;
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if (offsets)
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offsets[2] = size;
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size += tmp;
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break;
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}
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return size;
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}
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/* Parameters for ITU-R BT.601 and ITU-R BT.709 colour spaces
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note the difference to the parameters used in overlay are due
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to 10bit vs. float calcs */
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static REF_TRANSFORM trans[2] = {
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{1.1643, 0.0, 1.5960, -0.3918, -0.8129, 2.0172, 0.0}, /* BT.601 */
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{1.1643, 0.0, 1.7927, -0.2132, -0.5329, 2.1124, 0.0} /* BT.709 */
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};
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void
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glamor_xv_render(glamor_port_private *port_priv)
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{
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ScreenPtr screen = port_priv->pPixmap->drawable.pScreen;
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glamor_screen_private *glamor_priv = glamor_get_screen_private(screen);
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PixmapPtr pixmap = port_priv->pPixmap;
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glamor_pixmap_private *pixmap_priv = glamor_get_pixmap_private(pixmap);
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glamor_pixmap_private *src_pixmap_priv[3];
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BoxPtr box = REGION_RECTS(&port_priv->clip);
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int nBox = REGION_NUM_RECTS(&port_priv->clip);
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GLfloat src_xscale[3], src_yscale[3];
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int i;
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const float Loff = -0.0627;
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const float Coff = -0.502;
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float uvcosf, uvsinf;
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float yco;
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float uco[3], vco[3], off[3];
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float bright, cont, gamma;
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int ref = port_priv->transform_index;
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GLint uloc;
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GLfloat *v;
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char *vbo_offset;
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int dst_box_index;
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if (!glamor_priv->xv_prog.prog)
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glamor_init_xv_shader(screen);
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cont = RTFContrast(port_priv->contrast);
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bright = RTFBrightness(port_priv->brightness);
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gamma = (float) port_priv->gamma / 1000.0;
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uvcosf = RTFSaturation(port_priv->saturation) * cos(RTFHue(port_priv->hue));
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uvsinf = RTFSaturation(port_priv->saturation) * sin(RTFHue(port_priv->hue));
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/* overlay video also does pre-gamma contrast/sat adjust, should we? */
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yco = trans[ref].RefLuma * cont;
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uco[0] = -trans[ref].RefRCr * uvsinf;
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uco[1] = trans[ref].RefGCb * uvcosf - trans[ref].RefGCr * uvsinf;
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uco[2] = trans[ref].RefBCb * uvcosf;
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vco[0] = trans[ref].RefRCr * uvcosf;
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vco[1] = trans[ref].RefGCb * uvsinf + trans[ref].RefGCr * uvcosf;
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vco[2] = trans[ref].RefBCb * uvsinf;
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off[0] = Loff * yco + Coff * (uco[0] + vco[0]) + bright;
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off[1] = Loff * yco + Coff * (uco[1] + vco[1]) + bright;
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off[2] = Loff * yco + Coff * (uco[2] + vco[2]) + bright;
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gamma = 1.0;
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glamor_set_alu(screen, GXcopy);
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for (i = 0; i < 3; i++) {
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if (port_priv->src_pix[i]) {
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src_pixmap_priv[i] =
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glamor_get_pixmap_private(port_priv->src_pix[i]);
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pixmap_priv_get_scale(src_pixmap_priv[i], &src_xscale[i],
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&src_yscale[i]);
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}
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}
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glamor_make_current(glamor_priv);
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glUseProgram(glamor_priv->xv_prog.prog);
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uloc = glGetUniformLocation(glamor_priv->xv_prog.prog, "offsetyco");
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glUniform4f(uloc, off[0], off[1], off[2], yco);
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uloc = glGetUniformLocation(glamor_priv->xv_prog.prog, "ucogamma");
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glUniform4f(uloc, uco[0], uco[1], uco[2], gamma);
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uloc = glGetUniformLocation(glamor_priv->xv_prog.prog, "vco");
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glUniform4f(uloc, vco[0], vco[1], vco[2], 0);
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glActiveTexture(GL_TEXTURE0);
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glBindTexture(GL_TEXTURE_2D, src_pixmap_priv[0]->fbo->tex);
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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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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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glActiveTexture(GL_TEXTURE1);
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glBindTexture(GL_TEXTURE_2D, src_pixmap_priv[1]->fbo->tex);
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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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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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glActiveTexture(GL_TEXTURE2);
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glBindTexture(GL_TEXTURE_2D, src_pixmap_priv[2]->fbo->tex);
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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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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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glEnableVertexAttribArray(GLAMOR_VERTEX_POS);
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glEnableVertexAttribArray(GLAMOR_VERTEX_SOURCE);
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glEnable(GL_SCISSOR_TEST);
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v = glamor_get_vbo_space(screen, 3 * 4 * sizeof(GLfloat), &vbo_offset);
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/* Set up a single primitive covering the area being drawn. We'll
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* clip it to port_priv->clip using GL scissors instead of just
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* emitting a GL_QUAD per box, because this way we hopefully avoid
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* diagonal tearing between the two trangles used to rasterize a
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* GL_QUAD.
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*/
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i = 0;
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v[i++] = port_priv->drw_x;
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v[i++] = port_priv->drw_y;
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v[i++] = port_priv->drw_x + port_priv->dst_w * 2;
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v[i++] = port_priv->drw_y;
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v[i++] = port_priv->drw_x;
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v[i++] = port_priv->drw_y + port_priv->dst_h * 2;
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v[i++] = t_from_x_coord_x(src_xscale[0], port_priv->src_x);
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v[i++] = t_from_x_coord_y(src_yscale[0], port_priv->src_y);
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v[i++] = t_from_x_coord_x(src_xscale[0], port_priv->src_x +
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port_priv->src_w * 2);
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v[i++] = t_from_x_coord_y(src_yscale[0], port_priv->src_y);
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v[i++] = t_from_x_coord_x(src_xscale[0], port_priv->src_x);
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v[i++] = t_from_x_coord_y(src_yscale[0], port_priv->src_y +
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port_priv->src_h * 2);
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glVertexAttribPointer(GLAMOR_VERTEX_POS, 2,
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GL_FLOAT, GL_FALSE,
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2 * sizeof(float), vbo_offset);
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glVertexAttribPointer(GLAMOR_VERTEX_SOURCE, 2,
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GL_FLOAT, GL_FALSE,
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2 * sizeof(float), vbo_offset + 6 * sizeof(GLfloat));
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glamor_put_vbo_space(screen);
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/* Now draw our big triangle, clipped to each of the clip boxes. */
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glamor_pixmap_loop(pixmap_priv, dst_box_index) {
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int dst_off_x, dst_off_y;
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glamor_set_destination_drawable(port_priv->pDraw,
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dst_box_index,
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FALSE, FALSE,
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glamor_priv->xv_prog.matrix_uniform,
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&dst_off_x, &dst_off_y);
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for (i = 0; i < nBox; i++) {
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int dstx, dsty, dstw, dsth;
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dstx = box[i].x1 + dst_off_x;
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dsty = box[i].y1 + dst_off_y;
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dstw = box[i].x2 - box[i].x1;
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dsth = box[i].y2 - box[i].y1;
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glScissor(dstx, dsty, dstw, dsth);
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glDrawArrays(GL_TRIANGLE_FAN, 0, 3);
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}
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}
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glDisable(GL_SCISSOR_TEST);
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glDisableVertexAttribArray(GLAMOR_VERTEX_POS);
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glDisableVertexAttribArray(GLAMOR_VERTEX_SOURCE);
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DamageDamageRegion(port_priv->pDraw, &port_priv->clip);
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glamor_xv_free_port_data(port_priv);
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}
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int
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glamor_xv_put_image(glamor_port_private *port_priv,
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DrawablePtr pDrawable,
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short src_x, short src_y,
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short drw_x, short drw_y,
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short src_w, short src_h,
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short drw_w, short drw_h,
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int id,
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unsigned char *buf,
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short width,
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short height,
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Bool sync,
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RegionPtr clipBoxes)
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{
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ScreenPtr pScreen = pDrawable->pScreen;
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int srcPitch, srcPitch2;
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int top, nlines;
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int s2offset, s3offset, tmp;
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BoxRec full_box, half_box;
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s2offset = s3offset = srcPitch2 = 0;
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if (!port_priv->src_pix[0] ||
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(width != port_priv->src_pix_w || height != port_priv->src_pix_h)) {
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int i;
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for (i = 0; i < 3; i++)
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if (port_priv->src_pix[i])
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glamor_destroy_pixmap(port_priv->src_pix[i]);
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port_priv->src_pix[0] =
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glamor_create_pixmap(pScreen, width, height, 8, 0);
|
|
port_priv->src_pix[1] =
|
|
glamor_create_pixmap(pScreen, width >> 1, height >> 1, 8, 0);
|
|
port_priv->src_pix[2] =
|
|
glamor_create_pixmap(pScreen, width >> 1, height >> 1, 8, 0);
|
|
port_priv->src_pix_w = width;
|
|
port_priv->src_pix_h = height;
|
|
|
|
if (!port_priv->src_pix[0] || !port_priv->src_pix[1] ||
|
|
!port_priv->src_pix[2])
|
|
return BadAlloc;
|
|
}
|
|
|
|
top = (src_y) & ~1;
|
|
nlines = (src_y + src_h) - top;
|
|
|
|
switch (id) {
|
|
case FOURCC_YV12:
|
|
case FOURCC_I420:
|
|
srcPitch = ALIGN(width, 4);
|
|
srcPitch2 = ALIGN(width >> 1, 4);
|
|
s2offset = srcPitch * height;
|
|
s3offset = s2offset + (srcPitch2 * ((height + 1) >> 1));
|
|
s2offset += ((top >> 1) * srcPitch2);
|
|
s3offset += ((top >> 1) * srcPitch2);
|
|
if (id == FOURCC_YV12) {
|
|
tmp = s2offset;
|
|
s2offset = s3offset;
|
|
s3offset = tmp;
|
|
}
|
|
|
|
full_box.x1 = 0;
|
|
full_box.y1 = 0;
|
|
full_box.x2 = width;
|
|
full_box.y2 = nlines;
|
|
|
|
half_box.x1 = 0;
|
|
half_box.y1 = 0;
|
|
half_box.x2 = width >> 1;
|
|
half_box.y2 = (nlines + 1) >> 1;
|
|
|
|
glamor_upload_boxes(port_priv->src_pix[0], &full_box, 1,
|
|
0, 0, 0, 0,
|
|
buf + (top * srcPitch), srcPitch);
|
|
|
|
glamor_upload_boxes(port_priv->src_pix[1], &half_box, 1,
|
|
0, 0, 0, 0,
|
|
buf + s2offset, srcPitch2);
|
|
|
|
glamor_upload_boxes(port_priv->src_pix[2], &half_box, 1,
|
|
0, 0, 0, 0,
|
|
buf + s3offset, srcPitch2);
|
|
break;
|
|
default:
|
|
return BadMatch;
|
|
}
|
|
|
|
if (pDrawable->type == DRAWABLE_WINDOW)
|
|
port_priv->pPixmap = pScreen->GetWindowPixmap((WindowPtr) pDrawable);
|
|
else
|
|
port_priv->pPixmap = (PixmapPtr) pDrawable;
|
|
|
|
RegionCopy(&port_priv->clip, clipBoxes);
|
|
|
|
port_priv->src_x = src_x;
|
|
port_priv->src_y = src_y - top;
|
|
port_priv->src_w = src_w;
|
|
port_priv->src_h = src_h;
|
|
port_priv->dst_w = drw_w;
|
|
port_priv->dst_h = drw_h;
|
|
port_priv->drw_x = drw_x;
|
|
port_priv->drw_y = drw_y;
|
|
port_priv->w = width;
|
|
port_priv->h = height;
|
|
port_priv->pDraw = pDrawable;
|
|
glamor_xv_render(port_priv);
|
|
return Success;
|
|
}
|
|
|
|
void
|
|
glamor_xv_init_port(glamor_port_private *port_priv)
|
|
{
|
|
port_priv->brightness = 0;
|
|
port_priv->contrast = 0;
|
|
port_priv->saturation = 0;
|
|
port_priv->hue = 0;
|
|
port_priv->gamma = 1000;
|
|
port_priv->transform_index = 0;
|
|
|
|
REGION_NULL(pScreen, &port_priv->clip);
|
|
}
|
|
|
|
void
|
|
glamor_xv_core_init(ScreenPtr screen)
|
|
{
|
|
glamorBrightness = MAKE_ATOM("XV_BRIGHTNESS");
|
|
glamorContrast = MAKE_ATOM("XV_CONTRAST");
|
|
glamorSaturation = MAKE_ATOM("XV_SATURATION");
|
|
glamorHue = MAKE_ATOM("XV_HUE");
|
|
glamorGamma = MAKE_ATOM("XV_GAMMA");
|
|
glamorColorspace = MAKE_ATOM("XV_COLORSPACE");
|
|
}
|