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xserver-multidpi/glamor/glamor_xv.c

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/*
* Copyright © 2013 Red Hat
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*
* Authors:
* Dave Airlie <airlied@redhat.com>
*
* some code is derived from the xf86-video-ati radeon driver, mainly
* the calculations.
*/
/** @file glamor_xv.c
*
* Xv acceleration implementation
*/
#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif
#include "xf86xv.h"
#define GLAMOR_FOR_XORG
#include "glamor_priv.h"
#include <X11/extensions/Xv.h>
#include "fourcc.h"
/* Reference color space transform data */
typedef struct tagREF_TRANSFORM {
float RefLuma;
float RefRCb;
float RefRCr;
float RefGCb;
float RefGCr;
float RefBCb;
float RefBCr;
} REF_TRANSFORM;
#define RTFSaturation(a) (1.0 + ((a)*1.0)/1000.0)
#define RTFBrightness(a) (((a)*1.0)/2000.0)
#define RTFIntensity(a) (((a)*1.0)/2000.0)
#define RTFContrast(a) (1.0 + ((a)*1.0)/1000.0)
#define RTFHue(a) (((a)*3.1416)/1000.0)
static const char *xv_vs = "attribute vec4 v_position;\n"
"attribute vec4 v_texcoord0;\n"
"varying vec2 tcs;\n"
"void main()\n"
"{\n"
" gl_Position = v_position;\n"
"tcs = v_texcoord0.xy;\n"
"}\n";
static const char *xv_ps = GLAMOR_DEFAULT_PRECISION
"uniform sampler2D y_sampler;\n"
"uniform sampler2D u_sampler;\n"
"uniform sampler2D v_sampler;\n"
"uniform vec4 offsetyco;\n"
"uniform vec4 ucogamma;\n"
"uniform vec4 vco;\n"
"varying vec2 tcs;\n"
"float sample;\n"
"vec4 temp1;\n"
"void main()\n"
"{\n"
"sample = texture2D(y_sampler, tcs).w;\n"
"temp1.xyz = offsetyco.www * vec3(sample) + offsetyco.xyz;\n"
"sample = texture2D(u_sampler, tcs).w;\n"
"temp1.xyz = ucogamma.xyz * vec3(sample) + temp1.xyz;\n"
"sample = texture2D(v_sampler, tcs).w;\n"
"temp1.xyz = clamp(vco.xyz * vec3(sample) + temp1.xyz, 0.0, 1.0);\n"
"temp1.w = 1.0;\n"
"gl_FragColor = temp1;\n"
"}\n";
void
glamor_init_xv_shader(ScreenPtr screen)
{
glamor_screen_private *glamor_priv;
GLint fs_prog, vs_prog;
glamor_priv = glamor_get_screen_private(screen);
glamor_make_current(glamor_priv);
glamor_priv->xv_prog = glCreateProgram();
vs_prog = glamor_compile_glsl_prog(GL_VERTEX_SHADER, xv_vs);
fs_prog = glamor_compile_glsl_prog(GL_FRAGMENT_SHADER, xv_ps);
glAttachShader(glamor_priv->xv_prog, vs_prog);
glAttachShader(glamor_priv->xv_prog, fs_prog);
glBindAttribLocation(glamor_priv->xv_prog,
GLAMOR_VERTEX_POS, "v_position");
glBindAttribLocation(glamor_priv->xv_prog,
GLAMOR_VERTEX_SOURCE, "v_texcoord0");
glamor_link_glsl_prog(screen, glamor_priv->xv_prog, "xv");
}
#define ClipValue(v,min,max) ((v) < (min) ? (min) : (v) > (max) ? (max) : (v))
#define MAKE_ATOM(a) MakeAtom(a, sizeof(a) - 1, TRUE)
static Atom xvBrightness, xvContrast, xvSaturation, xvHue, xvColorspace,
xvGamma;
#define NUM_ATTRIBUTES 5
static XF86AttributeRec Attributes_glamor[NUM_ATTRIBUTES + 1] = {
{XvSettable | XvGettable, -1000, 1000, "XV_BRIGHTNESS"},
{XvSettable | XvGettable, -1000, 1000, "XV_CONTRAST"},
{XvSettable | XvGettable, -1000, 1000, "XV_SATURATION"},
{XvSettable | XvGettable, -1000, 1000, "XV_HUE"},
{XvSettable | XvGettable, 0, 1, "XV_COLORSPACE"},
{0, 0, 0, NULL}
};
#define NUM_FORMATS 3
static XF86VideoFormatRec Formats[NUM_FORMATS] = {
{15, TrueColor}, {16, TrueColor}, {24, TrueColor}
};
#define NUM_IMAGES 2
static XF86ImageRec Images[NUM_IMAGES] = {
XVIMAGE_YV12,
XVIMAGE_I420,
};
static void
glamor_xv_stop_video(ScrnInfoPtr pScrn, void *data, Bool cleanup)
{
glamor_port_private *port_priv = (glamor_port_private *) data;
int i;
if (!cleanup)
return;
for (i = 0; i < 3; i++) {
if (port_priv->src_pix[i]) {
glamor_destroy_pixmap(port_priv->src_pix[i]);
port_priv->src_pix[i] = NULL;
}
}
}
static int
glamor_xv_set_port_attribute(ScrnInfoPtr pScrn,
Atom attribute, INT32 value, void *data)
{
glamor_port_private *port_priv = (glamor_port_private *) data;
if (attribute == xvBrightness)
port_priv->brightness = ClipValue(value, -1000, 1000);
else if (attribute == xvHue)
port_priv->hue = ClipValue(value, -1000, 1000);
else if (attribute == xvContrast)
port_priv->contrast = ClipValue(value, -1000, 1000);
else if (attribute == xvSaturation)
port_priv->saturation = ClipValue(value, -1000, 1000);
else if (attribute == xvGamma)
port_priv->gamma = ClipValue(value, 100, 10000);
else if (attribute == xvColorspace)
port_priv->transform_index = ClipValue(value, 0, 1);
else
return BadMatch;
return Success;
}
static int
glamor_xv_get_port_attribute(ScrnInfoPtr pScrn,
Atom attribute, INT32 *value, void *data)
{
glamor_port_private *port_priv = (glamor_port_private *) data;
if (attribute == xvBrightness)
*value = port_priv->brightness;
else if (attribute == xvHue)
*value = port_priv->hue;
else if (attribute == xvContrast)
*value = port_priv->contrast;
else if (attribute == xvSaturation)
*value = port_priv->saturation;
else if (attribute == xvGamma)
*value = port_priv->gamma;
else if (attribute == xvColorspace)
*value = port_priv->transform_index;
else
return BadMatch;
return Success;
}
static void
glamor_xv_query_best_size(ScrnInfoPtr pScrn,
Bool motion,
short vid_w, short vid_h,
short drw_w, short drw_h,
unsigned int *p_w, unsigned int *p_h, void *data)
{
*p_w = drw_w;
*p_h = drw_h;
}
static int
glamor_xv_query_image_attributes(ScrnInfoPtr pScrn,
int id,
unsigned short *w, unsigned short *h,
int *pitches, int *offsets)
{
int size = 0, tmp;
if (offsets)
offsets[0] = 0;
switch (id) {
case FOURCC_YV12:
case FOURCC_I420:
*h = *h;
*w = *w;
size = *w;
if (pitches)
pitches[0] = size;
size *= *h;
if (offsets)
offsets[1] = size;
tmp = *w >> 1;
if (pitches)
pitches[1] = pitches[2] = tmp;
tmp *= (*h >> 1);
size += tmp;
if (offsets)
offsets[2] = size;
size += tmp;
break;
}
return size;
}
/* Parameters for ITU-R BT.601 and ITU-R BT.709 colour spaces
note the difference to the parameters used in overlay are due
to 10bit vs. float calcs */
static REF_TRANSFORM trans[2] = {
{1.1643, 0.0, 1.5960, -0.3918, -0.8129, 2.0172, 0.0}, /* BT.601 */
{1.1643, 0.0, 1.7927, -0.2132, -0.5329, 2.1124, 0.0} /* BT.709 */
};
static void
glamor_display_textured_video(glamor_port_private *port_priv)
{
ScreenPtr screen = port_priv->pPixmap->drawable.pScreen;
glamor_screen_private *glamor_priv = glamor_get_screen_private(screen);
glamor_pixmap_private *pixmap_priv =
glamor_get_pixmap_private(port_priv->pPixmap);
glamor_pixmap_private *src_pixmap_priv[3];
float vertices[32], texcoords[8];
BoxPtr box = REGION_RECTS(&port_priv->clip);
int nBox = REGION_NUM_RECTS(&port_priv->clip);
int dst_x_off, dst_y_off;
GLfloat dst_xscale, dst_yscale;
GLfloat src_xscale[3], src_yscale[3];
int i;
const float Loff = -0.0627;
const float Coff = -0.502;
float uvcosf, uvsinf;
float yco;
float uco[3], vco[3], off[3];
float bright, cont, gamma;
int ref = port_priv->transform_index;
GLint uloc, sampler_loc;
cont = RTFContrast(port_priv->contrast);
bright = RTFBrightness(port_priv->brightness);
gamma = (float) port_priv->gamma / 1000.0;
uvcosf = RTFSaturation(port_priv->saturation) * cos(RTFHue(port_priv->hue));
uvsinf = RTFSaturation(port_priv->saturation) * sin(RTFHue(port_priv->hue));
/* overlay video also does pre-gamma contrast/sat adjust, should we? */
yco = trans[ref].RefLuma * cont;
uco[0] = -trans[ref].RefRCr * uvsinf;
uco[1] = trans[ref].RefGCb * uvcosf - trans[ref].RefGCr * uvsinf;
uco[2] = trans[ref].RefBCb * uvcosf;
vco[0] = trans[ref].RefRCr * uvcosf;
vco[1] = trans[ref].RefGCb * uvsinf + trans[ref].RefGCr * uvcosf;
vco[2] = trans[ref].RefBCb * uvsinf;
off[0] = Loff * yco + Coff * (uco[0] + vco[0]) + bright;
off[1] = Loff * yco + Coff * (uco[1] + vco[1]) + bright;
off[2] = Loff * yco + Coff * (uco[2] + vco[2]) + bright;
gamma = 1.0;
pixmap_priv_get_dest_scale(pixmap_priv, &dst_xscale, &dst_yscale);
glamor_get_drawable_deltas(port_priv->pDraw, port_priv->pPixmap, &dst_x_off,
&dst_y_off);
glamor_set_destination_pixmap_priv_nc(pixmap_priv);
for (i = 0; i < 3; i++) {
if (port_priv->src_pix[i]) {
src_pixmap_priv[i] =
glamor_get_pixmap_private(port_priv->src_pix[i]);
pixmap_priv_get_scale(src_pixmap_priv[i], &src_xscale[i],
&src_yscale[i]);
}
}
glamor_make_current(glamor_priv);
glUseProgram(glamor_priv->xv_prog);
uloc = glGetUniformLocation(glamor_priv->xv_prog, "offsetyco");
glUniform4f(uloc, off[0], off[1], off[2], yco);
uloc = glGetUniformLocation(glamor_priv->xv_prog, "ucogamma");
glUniform4f(uloc, uco[0], uco[1], uco[2], gamma);
uloc = glGetUniformLocation(glamor_priv->xv_prog, "vco");
glUniform4f(uloc, vco[0], vco[1], vco[2], 0);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, src_pixmap_priv[0]->base.fbo->tex);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glActiveTexture(GL_TEXTURE1);
glBindTexture(GL_TEXTURE_2D, src_pixmap_priv[1]->base.fbo->tex);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glActiveTexture(GL_TEXTURE2);
glBindTexture(GL_TEXTURE_2D, src_pixmap_priv[2]->base.fbo->tex);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
sampler_loc = glGetUniformLocation(glamor_priv->xv_prog, "y_sampler");
glUniform1i(sampler_loc, 0);
sampler_loc = glGetUniformLocation(glamor_priv->xv_prog, "u_sampler");
glUniform1i(sampler_loc, 1);
sampler_loc = glGetUniformLocation(glamor_priv->xv_prog, "v_sampler");
glUniform1i(sampler_loc, 2);
glVertexAttribPointer(GLAMOR_VERTEX_SOURCE, 2,
GL_FLOAT, GL_FALSE,
2 * sizeof(float), texcoords);
glEnableVertexAttribArray(GLAMOR_VERTEX_SOURCE);
glVertexAttribPointer(GLAMOR_VERTEX_POS, 2, GL_FLOAT,
GL_FALSE, 2 * sizeof(float), vertices);
glEnableVertexAttribArray(GLAMOR_VERTEX_POS);
for (i = 0; i < nBox; i++) {
float off_x = box[i].x1 - port_priv->drw_x;
float off_y = box[i].y1 - port_priv->drw_y;
float diff_x = (float) port_priv->src_w / (float) port_priv->dst_w;
float diff_y = (float) port_priv->src_h / (float) port_priv->dst_h;
float srcx, srcy, srcw, srch;
int dstx, dsty, dstw, dsth;
dstx = box[i].x1 + dst_x_off;
dsty = box[i].y1 + dst_y_off;
dstw = box[i].x2 - box[i].x1;
dsth = box[i].y2 - box[i].y1;
srcx = port_priv->src_x + off_x * diff_x;
srcy = port_priv->src_y + off_y * diff_y;
srcw = (port_priv->src_w * dstw) / (float) port_priv->dst_w;
srch = (port_priv->src_h * dsth) / (float) port_priv->dst_h;
glamor_set_normalize_vcoords(pixmap_priv,
dst_xscale, dst_yscale,
dstx,
dsty,
dstx + dstw,
dsty + dsth,
glamor_priv->yInverted, vertices);
glamor_set_normalize_tcoords(src_pixmap_priv[0],
src_xscale[0],
src_yscale[0],
srcx,
srcy,
srcx + srcw,
srcy + srch,
glamor_priv->yInverted, texcoords);
glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
}
glDisableVertexAttribArray(GLAMOR_VERTEX_POS);
glDisableVertexAttribArray(GLAMOR_VERTEX_SOURCE);
DamageDamageRegion(port_priv->pDraw, &port_priv->clip);
}
static int
glamor_xv_put_image(ScrnInfoPtr pScrn,
short src_x, short src_y,
short drw_x, short drw_y,
short src_w, short src_h,
short drw_w, short drw_h,
int id,
unsigned char *buf,
short width,
short height,
Bool sync,
RegionPtr clipBoxes, void *data, DrawablePtr pDrawable)
{
ScreenPtr screen = pDrawable->pScreen;
glamor_port_private *port_priv = (glamor_port_private *) data;
INT32 x1, x2, y1, y2;
int srcPitch, srcPitch2;
BoxRec dstBox;
int top, nlines;
int s2offset, s3offset, tmp;
s2offset = s3offset = srcPitch2 = 0;
/* Clip */
x1 = src_x;
x2 = src_x + src_w;
y1 = src_y;
y2 = src_y + src_h;
dstBox.x1 = drw_x;
dstBox.x2 = drw_x + drw_w;
dstBox.y1 = drw_y;
dstBox.y2 = drw_y + drw_h;
if (!xf86XVClipVideoHelper
(&dstBox, &x1, &x2, &y1, &y2, clipBoxes, width, height))
return Success;
if ((x1 >= x2) || (y1 >= y2))
return Success;
srcPitch = width;
srcPitch2 = width >> 1;
if (!port_priv->src_pix[0] ||
(width != port_priv->src_pix_w || height != port_priv->src_pix_h)) {
int i;
for (i = 0; i < 3; i++)
if (port_priv->src_pix[i])
glamor_destroy_pixmap(port_priv->src_pix[i]);
port_priv->src_pix[0] =
glamor_create_pixmap(screen, width, height, 8, 0);
port_priv->src_pix[1] =
glamor_create_pixmap(screen, width >> 1, height >> 1, 8, 0);
port_priv->src_pix[2] =
glamor_create_pixmap(screen, 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 = (y1 >> 16) & ~1;
nlines = ((y2 + 0xffff) >> 16) - top;
switch (id) {
case FOURCC_YV12:
case FOURCC_I420:
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;
}
glamor_upload_sub_pixmap_to_texture(port_priv->src_pix[0],
0, 0, srcPitch, nlines,
port_priv->src_pix[0]->devKind,
buf + (top * srcPitch), 0);
glamor_upload_sub_pixmap_to_texture(port_priv->src_pix[1],
0, 0, srcPitch2, (nlines + 1) >> 1,
port_priv->src_pix[1]->devKind,
buf + s2offset, 0);
glamor_upload_sub_pixmap_to_texture(port_priv->src_pix[2],
0, 0, srcPitch2, (nlines + 1) >> 1,
port_priv->src_pix[2]->devKind,
buf + s3offset, 0);
break;
default:
return BadMatch;
}
if (pDrawable->type == DRAWABLE_WINDOW)
port_priv->pPixmap = (*screen->GetWindowPixmap) ((WindowPtr) pDrawable);
else
port_priv->pPixmap = (PixmapPtr) pDrawable;
if (!RegionEqual(&port_priv->clip, clipBoxes)) {
RegionCopy(&port_priv->clip, clipBoxes);
}
port_priv->src_x = src_x;
port_priv->src_y = src_y;
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_display_textured_video(port_priv);
return Success;
}
static XF86VideoEncodingRec DummyEncodingGLAMOR[1] = {
{
0,
"XV_IMAGE",
8192, 8192,
{1, 1}
}
};
XF86VideoAdaptorPtr
glamor_xv_init(ScreenPtr screen, int num_texture_ports)
{
glamor_port_private *port_priv;
XF86VideoAdaptorPtr adapt;
int i;
glamor_init_xv_shader(screen);
adapt = calloc(1, sizeof(XF86VideoAdaptorRec) + num_texture_ports *
(sizeof(glamor_port_private) + sizeof(DevUnion)));
if (adapt == NULL)
return NULL;
xvBrightness = MAKE_ATOM("XV_BRIGHTNESS");
xvContrast = MAKE_ATOM("XV_CONTRAST");
xvSaturation = MAKE_ATOM("XV_SATURATION");
xvHue = MAKE_ATOM("XV_HUE");
xvGamma = MAKE_ATOM("XV_GAMMA");
xvColorspace = MAKE_ATOM("XV_COLORSPACE");
adapt->type = XvWindowMask | XvInputMask | XvImageMask;
adapt->flags = 0;
adapt->name = "GLAMOR Textured Video";
adapt->nEncodings = 1;
adapt->pEncodings = DummyEncodingGLAMOR;
adapt->nFormats = NUM_FORMATS;
adapt->pFormats = Formats;
adapt->nPorts = num_texture_ports;
adapt->pPortPrivates = (DevUnion *) (&adapt[1]);
adapt->pAttributes = Attributes_glamor;
adapt->nAttributes = NUM_ATTRIBUTES;
port_priv =
(glamor_port_private *) (&adapt->pPortPrivates[num_texture_ports]);
adapt->pImages = Images;
adapt->nImages = NUM_IMAGES;
adapt->PutVideo = NULL;
adapt->PutStill = NULL;
adapt->GetVideo = NULL;
adapt->GetStill = NULL;
adapt->StopVideo = glamor_xv_stop_video;
adapt->SetPortAttribute = glamor_xv_set_port_attribute;
adapt->GetPortAttribute = glamor_xv_get_port_attribute;
adapt->QueryBestSize = glamor_xv_query_best_size;
adapt->PutImage = glamor_xv_put_image;
adapt->ReputImage = NULL;
adapt->QueryImageAttributes = glamor_xv_query_image_attributes;
for (i = 0; i < num_texture_ports; i++) {
glamor_port_private *pPriv = &port_priv[i];
pPriv->brightness = 0;
pPriv->contrast = 0;
pPriv->saturation = 0;
pPriv->hue = 0;
pPriv->gamma = 1000;
pPriv->transform_index = 0;
REGION_NULL(pScreen, &pPriv->clip);
adapt->pPortPrivates[i].ptr = (void *) (pPriv);
}
return adapt;
}
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