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glamor_xv.c
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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 <[email protected]>
*
* 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 "glamor_priv.h"
#include "glamor_transform.h"
#include "glamor_transfer.h"
#include <stdio.h>
#include <unistd.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/un.h>
#include <libdrm/drm_fourcc.h>
#include <X11/extensions/Xv.h>
#include "../hw/xfree86/common/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)
#ifndef DRM_FORMAT_NV12_10
#define DRM_FORMAT_NV12_10 fourcc_code('N', 'A', '1', '2')
#endif
#ifndef DRM_FORMAT_NV15
#define DRM_FORMAT_NV15 fourcc_code('N', 'V', '1', '5')
#endif
#ifndef DRM_FORMAT_YUV420_8BIT
#define DRM_FORMAT_YUV420_8BIT fourcc_code('Y', 'U', '0', '8')
#endif
#ifndef DRM_FORMAT_YUV420_10BIT
#define DRM_FORMAT_YUV420_10BIT fourcc_code('Y', 'U', '1', '0')
#endif
#ifndef DRM_FORMAT_MOD_VENDOR_ARM
#define DRM_FORMAT_MOD_VENDOR_ARM 0x08
#endif
#ifndef DRM_FORMAT_MOD_ARM_AFBC
#define DRM_FORMAT_MOD_ARM_AFBC(__afbc_mode) fourcc_mod_code(ARM, __afbc_mode)
#endif
#ifndef AFBC_FORMAT_MOD_BLOCK_SIZE_16x16
#define AFBC_FORMAT_MOD_BLOCK_SIZE_16x16 (1ULL)
#endif
#ifndef AFBC_FORMAT_MOD_SPARSE
#define AFBC_FORMAT_MOD_SPARSE (((__u64)1) << 6)
#endif
#define DRM_AFBC_MODIFIER \
(DRM_FORMAT_MOD_ARM_AFBC(AFBC_FORMAT_MOD_SPARSE) | \
DRM_FORMAT_MOD_ARM_AFBC(AFBC_FORMAT_MOD_BLOCK_SIZE_16x16))
#define XV_MAX_DMA_FD 3
static const glamor_facet glamor_facet_xv_planar_2 = {
.name = "xv_planar_2",
.version = 120,
.source_name = "v_texcoord0",
.vs_vars = ("attribute vec2 position;\n"
"attribute vec2 v_texcoord0;\n"
"varying vec2 tcs;\n"),
.vs_exec = (GLAMOR_POS(gl_Position, position)
" tcs = v_texcoord0;\n"),
.fs_vars = ("uniform sampler2D y_sampler;\n"
"uniform sampler2D u_sampler;\n"
"uniform vec4 offsetyco;\n"
"uniform vec4 ucogamma;\n"
"uniform vec4 vco;\n"
"varying vec2 tcs;\n"),
.fs_exec = (
" float sample;\n"
" vec2 sample_uv;\n"
" vec4 temp1;\n"
" sample = texture2D(y_sampler, tcs).w;\n"
" temp1.xyz = offsetyco.www * vec3(sample) + offsetyco.xyz;\n"
" sample_uv = texture2D(u_sampler, tcs).xy;\n"
" temp1.xyz = ucogamma.xyz * vec3(sample_uv.x) + temp1.xyz;\n"
" temp1.xyz = clamp(vco.xyz * vec3(sample_uv.y) + temp1.xyz, 0.0, 1.0);\n"
" temp1.w = 1.0;\n"
" gl_FragColor = temp1;\n"
),
};
static const glamor_facet glamor_facet_xv_planar_3 = {
.name = "xv_planar_3",
.version = 120,
.source_name = "v_texcoord0",
.vs_vars = ("attribute vec2 position;\n"
"attribute vec2 v_texcoord0;\n"
"varying vec2 tcs;\n"),
.vs_exec = (GLAMOR_POS(gl_Position, position)
" tcs = v_texcoord0;\n"),
.fs_vars = ("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"),
.fs_exec = (
" float sample;\n"
" vec4 temp1;\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"
),
};
static const glamor_facet glamor_facet_xv_egl_external = {
.name = "xv_egl_external",
.source_name = "v_texcoord0",
.vs_vars = ("attribute vec2 position;\n"
"attribute vec2 v_texcoord0;\n"
"varying vec2 tcs;\n"),
.vs_exec = (GLAMOR_POS(gl_Position, position)
" tcs = v_texcoord0;\n"),
.fs_extensions = ("#extension GL_OES_EGL_image_external : require\n"),
.fs_vars = ("uniform samplerExternalOES sampler;\n"
"varying vec2 tcs;\n"),
.fs_exec = (
" gl_FragColor = texture2D(sampler, tcs);\n"
),
};
#define MAKE_ATOM(a) MakeAtom(a, sizeof(a) - 1, TRUE)
XvAttributeRec glamor_xv_attributes[] = {
{XvSettable | XvGettable, -1000, 1000, (char *)"XV_BRIGHTNESS"},
{XvSettable | XvGettable, -1000, 1000, (char *)"XV_CONTRAST"},
{XvSettable | XvGettable, -1000, 1000, (char *)"XV_SATURATION"},
{XvSettable | XvGettable, -1000, 1000, (char *)"XV_HUE"},
{XvSettable | XvGettable, 0, 1, (char *)"XV_COLORSPACE"},
{XvSettable | XvGettable, 0, 0xFFFFFFFF, (char *)"XV_DMA_CLIENT_ID"},
{XvSettable | XvGettable, 0, 0xFFFFFFFF, (char *)"XV_DMA_HOR_STRIDE"},
{XvSettable | XvGettable, 0, 0xFFFFFFFF, (char *)"XV_DMA_VER_STRIDE"},
{XvSettable | XvGettable, 0, 0xFFFFFFFF, (char *)"XV_DMA_DRM_FOURCC"},
{XvSettable | XvGettable, 0, 1, (char *)"XV_DMA_DRM_AFBC"},
{0, 0, 0, NULL}
};
int glamor_xv_num_attributes = ARRAY_SIZE(glamor_xv_attributes) - 1;
Atom glamorBrightness, glamorContrast, glamorSaturation, glamorHue,
glamorColorspace, glamorGamma, glamorDmaClient, glamorDmaHorStride,
glamorDmaVerStride, glamorDmaDrmFourcc, glamorDmaDrmAFBC;
XvImageRec glamor_xv_images[] = {
XVIMAGE_YV12,
XVIMAGE_I420,
XVIMAGE_NV12
};
int glamor_xv_num_images = ARRAY_SIZE(glamor_xv_images);
static void
glamor_init_xv_shader(ScreenPtr screen, int id)
{
glamor_screen_private *glamor_priv = glamor_get_screen_private(screen);
GLint sampler_loc;
const glamor_facet *glamor_facet_xv_planar = NULL;
switch (id) {
case FOURCC_YV12:
case FOURCC_I420:
glamor_facet_xv_planar = &glamor_facet_xv_planar_3;
break;
case FOURCC_NV12:
glamor_facet_xv_planar = &glamor_facet_xv_planar_2;
break;
default:
break;
}
glamor_build_program(screen,
&glamor_priv->xv_prog,
glamor_facet_xv_planar, NULL, NULL, NULL);
glUseProgram(glamor_priv->xv_prog.prog);
sampler_loc = glGetUniformLocation(glamor_priv->xv_prog.prog, "y_sampler");
glUniform1i(sampler_loc, 0);
sampler_loc = glGetUniformLocation(glamor_priv->xv_prog.prog, "u_sampler");
glUniform1i(sampler_loc, 1);
switch (id) {
case FOURCC_YV12:
case FOURCC_I420:
sampler_loc = glGetUniformLocation(glamor_priv->xv_prog.prog, "v_sampler");
glUniform1i(sampler_loc, 2);
break;
case FOURCC_NV12:
break;
default:
break;
}
}
static void
glamor_init_xv_shader_egl_external(ScreenPtr screen)
{
glamor_screen_private *glamor_priv = glamor_get_screen_private(screen);
GLint sampler_loc;
glamor_build_program(screen,
&glamor_priv->xv_prog_ext,
&glamor_facet_xv_egl_external, NULL, NULL, NULL);
glUseProgram(glamor_priv->xv_prog_ext.prog);
sampler_loc =
glGetUniformLocation(glamor_priv->xv_prog_ext.prog, "sampler");
glUniform1i(sampler_loc, 0);
}
#define ClipValue(v,min,max) ((v) < (min) ? (min) : (v) > (max) ? (max) : (v))
static void
glamor_xv_set_dma_client(glamor_port_private *port_priv,
uint32_t dma_client)
{
struct sockaddr_un addr;
// re-open socket to flush pending messages
if (port_priv->dma_client)
close(port_priv->dma_socket_fd);
port_priv->dma_client = dma_client;
if (!dma_client)
goto clear;
port_priv->dma_socket_fd = socket(PF_UNIX, SOCK_DGRAM | SOCK_NONBLOCK, 0);
if (port_priv->dma_socket_fd < 0)
goto clear;
addr.sun_family = AF_LOCAL;
snprintf(addr.sun_path, sizeof(addr.sun_path),
"/tmp/.xv_dma_client.%d", port_priv->dma_client);
addr.sun_path[sizeof(addr.sun_path) - 1] = '\0';
unlink(addr.sun_path);
if (bind(port_priv->dma_socket_fd,
(struct sockaddr *)&addr, sizeof(addr)) < 0)
goto clear;
chmod(addr.sun_path, S_IRUSR | S_IWUSR | S_IROTH | S_IWOTH);
return;
clear:
if (port_priv->dma_socket_fd > 0) {
close(port_priv->dma_socket_fd);
port_priv->dma_socket_fd = 0;
}
port_priv->dma_client = 0;
port_priv->dma_hor_stride = 0;
port_priv->dma_ver_stride = 0;
port_priv->dma_drm_fourcc = 0;
port_priv->dma_drm_afbc = 0;
}
void
glamor_xv_stop_video(glamor_port_private *port_priv)
{
glamor_xv_set_dma_client(port_priv, 0);
}
static void
glamor_xv_free_port_data(glamor_port_private *port_priv)
{
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[i] = NULL;
}
}
RegionUninit(&port_priv->clip);
RegionNull(&port_priv->clip);
}
int
glamor_xv_set_port_attribute(glamor_port_private *port_priv,
Atom attribute, INT32 value)
{
if (attribute == glamorBrightness)
port_priv->brightness = ClipValue(value, -1000, 1000);
else if (attribute == glamorHue)
port_priv->hue = ClipValue(value, -1000, 1000);
else if (attribute == glamorContrast)
port_priv->contrast = ClipValue(value, -1000, 1000);
else if (attribute == glamorSaturation)
port_priv->saturation = ClipValue(value, -1000, 1000);
else if (attribute == glamorGamma)
port_priv->gamma = ClipValue(value, 100, 10000);
else if (attribute == glamorColorspace)
port_priv->transform_index = ClipValue(value, 0, 1);
else if (attribute == glamorDmaClient)
glamor_xv_set_dma_client(port_priv, ClipValue(value, 0, 0xFFFFFFFF));
else if (attribute == glamorDmaHorStride)
port_priv->dma_hor_stride = ClipValue(value, 0, 0xFFFFFFFF);
else if (attribute == glamorDmaVerStride)
port_priv->dma_ver_stride = ClipValue(value, 0, 0xFFFFFFFF);
else if (attribute == glamorDmaDrmFourcc)
port_priv->dma_drm_fourcc = ClipValue(value, 0, 0xFFFFFFFF);
else if (attribute == glamorDmaDrmAFBC)
port_priv->dma_drm_afbc = ClipValue(value, 0, 0xFFFFFFFF);
else
return BadMatch;
return Success;
}
int
glamor_xv_get_port_attribute(glamor_port_private *port_priv,
Atom attribute, INT32 *value)
{
if (attribute == glamorBrightness)
*value = port_priv->brightness;
else if (attribute == glamorHue)
*value = port_priv->hue;
else if (attribute == glamorContrast)
*value = port_priv->contrast;
else if (attribute == glamorSaturation)
*value = port_priv->saturation;
else if (attribute == glamorGamma)
*value = port_priv->gamma;
else if (attribute == glamorColorspace)
*value = port_priv->transform_index;
else if (attribute == glamorDmaClient)
*value = port_priv->dma_client;
else if (attribute == glamorDmaHorStride)
*value = port_priv->dma_hor_stride;
else if (attribute == glamorDmaVerStride)
*value = port_priv->dma_ver_stride;
else if (attribute == glamorDmaDrmFourcc)
*value = port_priv->dma_drm_fourcc;
else if (attribute == glamorDmaDrmAFBC)
*value = port_priv->dma_drm_afbc;
else
return BadMatch;
return Success;
}
int
glamor_xv_query_image_attributes(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:
*w = ALIGN(*w, 2);
*h = ALIGN(*h, 2);
size = ALIGN(*w, 4);
if (pitches)
pitches[0] = size;
size *= *h;
if (offsets)
offsets[1] = size;
tmp = ALIGN(*w >> 1, 4);
if (pitches)
pitches[1] = pitches[2] = tmp;
tmp *= (*h >> 1);
size += tmp;
if (offsets)
offsets[2] = size;
size += tmp;
break;
case FOURCC_NV12:
*w = ALIGN(*w, 2);
*h = ALIGN(*h, 2);
size = ALIGN(*w, 4);
if (pitches)
pitches[0] = size;
size *= *h;
if (offsets)
offsets[1] = size;
tmp = ALIGN(*w, 4);
if (pitches)
pitches[1] = tmp;
tmp *= (*h >> 1);
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 */
};
void
glamor_xv_render(glamor_port_private *port_priv, int id)
{
ScreenPtr screen = port_priv->pPixmap->drawable.pScreen;
glamor_screen_private *glamor_priv = glamor_get_screen_private(screen);
PixmapPtr pixmap = port_priv->pPixmap;
glamor_pixmap_private *pixmap_priv = glamor_get_pixmap_private(pixmap);
glamor_pixmap_private *src_pixmap_priv[3];
BoxPtr box = REGION_RECTS(&port_priv->clip);
int nBox = REGION_NUM_RECTS(&port_priv->clip);
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;
GLfloat *v;
char *vbo_offset;
int dst_box_index;
DamageRegionAppend(port_priv->pDraw, &port_priv->clip);
if (!glamor_priv->xv_prog.prog)
glamor_init_xv_shader(screen, id);
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;
glamor_set_alu(screen, GXcopy);
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]);
} else {
src_pixmap_priv[i] = NULL;
}
}
glamor_make_current(glamor_priv);
glUseProgram(glamor_priv->xv_prog.prog);
uloc = glGetUniformLocation(glamor_priv->xv_prog.prog, "offsetyco");
glUniform4f(uloc, off[0], off[1], off[2], yco);
uloc = glGetUniformLocation(glamor_priv->xv_prog.prog, "ucogamma");
glUniform4f(uloc, uco[0], uco[1], uco[2], gamma);
uloc = glGetUniformLocation(glamor_priv->xv_prog.prog, "vco");
glUniform4f(uloc, vco[0], vco[1], vco[2], 0);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, src_pixmap_priv[0]->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]->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);
switch (id) {
case FOURCC_YV12:
case FOURCC_I420:
glActiveTexture(GL_TEXTURE2);
glBindTexture(GL_TEXTURE_2D, src_pixmap_priv[2]->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);
break;
case FOURCC_NV12:
break;
default:
break;
}
glEnableVertexAttribArray(GLAMOR_VERTEX_POS);
glEnableVertexAttribArray(GLAMOR_VERTEX_SOURCE);
glEnable(GL_SCISSOR_TEST);
v = glamor_get_vbo_space(screen, 3 * 4 * sizeof(GLfloat), &vbo_offset);
/* Set up a single primitive covering the area being drawn. We'll
* clip it to port_priv->clip using GL scissors instead of just
* emitting a GL_QUAD per box, because this way we hopefully avoid
* diagonal tearing between the two triangles used to rasterize a
* GL_QUAD.
*/
i = 0;
v[i++] = port_priv->drw_x;
v[i++] = port_priv->drw_y;
v[i++] = port_priv->drw_x + port_priv->dst_w * 2;
v[i++] = port_priv->drw_y;
v[i++] = port_priv->drw_x;
v[i++] = port_priv->drw_y + port_priv->dst_h * 2;
v[i++] = t_from_x_coord_x(src_xscale[0], port_priv->src_x);
v[i++] = t_from_x_coord_y(src_yscale[0], port_priv->src_y);
v[i++] = t_from_x_coord_x(src_xscale[0], port_priv->src_x +
port_priv->src_w * 2);
v[i++] = t_from_x_coord_y(src_yscale[0], port_priv->src_y);
v[i++] = t_from_x_coord_x(src_xscale[0], port_priv->src_x);
v[i++] = t_from_x_coord_y(src_yscale[0], port_priv->src_y +
port_priv->src_h * 2);
glVertexAttribPointer(GLAMOR_VERTEX_POS, 2,
GL_FLOAT, GL_FALSE,
2 * sizeof(float), vbo_offset);
glVertexAttribPointer(GLAMOR_VERTEX_SOURCE, 2,
GL_FLOAT, GL_FALSE,
2 * sizeof(float), vbo_offset + 6 * sizeof(GLfloat));
glamor_put_vbo_space(screen);
/* Now draw our big triangle, clipped to each of the clip boxes. */
glamor_pixmap_loop(pixmap_priv, dst_box_index) {
int dst_off_x, dst_off_y;
glamor_set_destination_drawable(port_priv->pDraw,
dst_box_index,
FALSE, FALSE,
glamor_priv->xv_prog.matrix_uniform,
&dst_off_x, &dst_off_y);
for (i = 0; i < nBox; i++) {
int dstx, dsty, dstw, dsth;
dstx = box[i].x1 + dst_off_x;
dsty = box[i].y1 + dst_off_y;
dstw = box[i].x2 - box[i].x1;
dsth = box[i].y2 - box[i].y1;
glScissor(dstx, dsty, dstw, dsth);
glDrawArrays(GL_TRIANGLE_FAN, 0, 3);
}
}
glDisable(GL_SCISSOR_TEST);
glDisableVertexAttribArray(GLAMOR_VERTEX_POS);
glDisableVertexAttribArray(GLAMOR_VERTEX_SOURCE);
DamageRegionProcessPending(port_priv->pDraw);
glamor_xv_free_port_data(port_priv);
glamor_pixmap_invalid(pixmap);
}
static int
glamor_xv_render_dma(glamor_port_private *port_priv, int dma_fd)
{
ScreenPtr screen = port_priv->pPixmap->drawable.pScreen;
glamor_screen_private *glamor_priv = glamor_get_screen_private(screen);
PixmapPtr pixmap = port_priv->pPixmap;
glamor_pixmap_private *pixmap_priv = glamor_get_pixmap_private(pixmap);
BoxPtr box = REGION_RECTS(&port_priv->clip);
int nBox = REGION_NUM_RECTS(&port_priv->clip);
GLfloat src_xscale, src_yscale;
int i;
GLfloat *v;
char *vbo_offset;
int dst_box_index;
int hor_stride =
port_priv->dma_hor_stride ? port_priv->dma_hor_stride : port_priv->w;
int ver_stride =
port_priv->dma_ver_stride ? port_priv->dma_ver_stride : port_priv->h;
int width = hor_stride;
uint32_t fourcc =
port_priv->dma_drm_fourcc ? port_priv->dma_drm_fourcc : DRM_FORMAT_NV12;
int afbc = port_priv->dma_drm_afbc;
PFNEGLCREATEIMAGEKHRPROC create_image;
PFNEGLDESTROYIMAGEKHRPROC destroy_image;
PFNGLEGLIMAGETARGETTEXTURE2DOESPROC image_target_texture_2d;
EGLImageKHR image;
GLuint texture;
/* Mali is using NV15 for NV12_10 */
switch (fourcc) {
case DRM_FORMAT_NV12_10:
case DRM_FORMAT_NV15:
fourcc = DRM_FORMAT_NV15;
/* HACK: guess a width from 10B stride */
width = hor_stride / 10 * 8;
if (afbc) {
fourcc = DRM_FORMAT_YUV420_10BIT;
hor_stride *= 1.5;
}
break;
case DRM_FORMAT_NV12:
if (afbc) {
fourcc = DRM_FORMAT_YUV420_8BIT;
hor_stride *= 1.5;
}
break;
case DRM_FORMAT_NV16:
if (afbc) {
fourcc = DRM_FORMAT_YUYV;
hor_stride *= 2;
}
break;
default:
ErrorF("glamor xv only support DMA for NV12|NV12_10|NV16\n");
return BadMatch;
}
const EGLint attrs[] = {
EGL_WIDTH, width,
EGL_HEIGHT, ver_stride,
EGL_LINUX_DRM_FOURCC_EXT, fourcc,
EGL_DMA_BUF_PLANE0_FD_EXT, dma_fd,
EGL_DMA_BUF_PLANE0_OFFSET_EXT, 0,
EGL_DMA_BUF_PLANE0_PITCH_EXT, hor_stride,
EGL_DMA_BUF_PLANE1_FD_EXT, dma_fd,
EGL_DMA_BUF_PLANE1_OFFSET_EXT, hor_stride * ver_stride,
EGL_DMA_BUF_PLANE1_PITCH_EXT, hor_stride,
EGL_YUV_COLOR_SPACE_HINT_EXT, EGL_ITU_REC601_EXT,
EGL_SAMPLE_RANGE_HINT_EXT, EGL_YUV_NARROW_RANGE_EXT,
EGL_NONE
};
const EGLint attrs_afbc[] = {
EGL_WIDTH, width,
EGL_HEIGHT, ver_stride,
EGL_LINUX_DRM_FOURCC_EXT, fourcc,
EGL_DMA_BUF_PLANE0_FD_EXT, dma_fd,
EGL_DMA_BUF_PLANE0_OFFSET_EXT, 0,
EGL_DMA_BUF_PLANE0_PITCH_EXT, hor_stride,
EGL_DMA_BUF_PLANE0_MODIFIER_LO_EXT, DRM_AFBC_MODIFIER & 0xFFFFFFFF,
EGL_DMA_BUF_PLANE0_MODIFIER_HI_EXT, DRM_AFBC_MODIFIER >> 32,
EGL_NONE
};
create_image =
(PFNEGLCREATEIMAGEKHRPROC)eglGetProcAddress("eglCreateImageKHR");
destroy_image =
(PFNEGLDESTROYIMAGEKHRPROC)eglGetProcAddress("eglDestroyImageKHR");
image_target_texture_2d =
(PFNGLEGLIMAGETARGETTEXTURE2DOESPROC)
eglGetProcAddress("glEGLImageTargetTexture2DOES");
if (!create_image || !destroy_image || !image_target_texture_2d) {
ErrorF("glamor xv without EGL_EXT_image_dma_buf_import\n");
return BadMatch;
}
glamor_make_current(glamor_priv);
image = create_image(glamor_priv->ctx.display, EGL_NO_CONTEXT,
EGL_LINUX_DMA_BUF_EXT, NULL,
afbc ? attrs_afbc : attrs);
if (image == EGL_NO_IMAGE) {
ErrorF("glamor xv failed to create egl image\n");
return BadMatch;
}
DamageRegionAppend(port_priv->pDraw, &port_priv->clip);
if (!glamor_priv->xv_prog_ext.prog)
glamor_init_xv_shader_egl_external(screen);
/* TODO: support contrast/brightness/gamma/saturation/hue */
glamor_set_alu(screen, GXcopy);
src_xscale = 1.0 / width;
src_yscale = 1.0 / ver_stride;
glUseProgram(glamor_priv->xv_prog_ext.prog);
glGenTextures(1, &texture);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_EXTERNAL_OES, texture);
image_target_texture_2d(GL_TEXTURE_EXTERNAL_OES, (GLeglImageOES)image);
glTexParameteri(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_EXTERNAL_OES,
GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_EXTERNAL_OES,
GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glEnableVertexAttribArray(GLAMOR_VERTEX_POS);
glEnableVertexAttribArray(GLAMOR_VERTEX_SOURCE);
glEnable(GL_SCISSOR_TEST);
v = glamor_get_vbo_space(screen, 3 * 4 * sizeof(GLfloat), &vbo_offset);
/* Set up a single primitive covering the area being drawn. We'll
* clip it to port_priv->clip using GL scissors instead of just
* emitting a GL_QUAD per box, because this way we hopefully avoid
* diagonal tearing between the two triangles used to rasterize a
* GL_QUAD.
*/
i = 0;
v[i++] = port_priv->drw_x;
v[i++] = port_priv->drw_y;
v[i++] = port_priv->drw_x + port_priv->dst_w * 2;
v[i++] = port_priv->drw_y;
v[i++] = port_priv->drw_x;
v[i++] = port_priv->drw_y + port_priv->dst_h * 2;
v[i++] = t_from_x_coord_x(src_xscale, port_priv->src_x);
v[i++] = t_from_x_coord_y(src_yscale, port_priv->src_y);
v[i++] = t_from_x_coord_x(src_xscale, port_priv->src_x +
port_priv->src_w * 2);
v[i++] = t_from_x_coord_y(src_yscale, port_priv->src_y);
v[i++] = t_from_x_coord_x(src_xscale, port_priv->src_x);
v[i++] = t_from_x_coord_y(src_yscale, port_priv->src_y +
port_priv->src_h * 2);
glVertexAttribPointer(GLAMOR_VERTEX_POS, 2,
GL_FLOAT, GL_FALSE,
2 * sizeof(float), vbo_offset);
glVertexAttribPointer(GLAMOR_VERTEX_SOURCE, 2,
GL_FLOAT, GL_FALSE,
2 * sizeof(float), vbo_offset + 6 * sizeof(GLfloat));
glamor_put_vbo_space(screen);
/* Now draw our big triangle, clipped to each of the clip boxes. */
glamor_pixmap_loop(pixmap_priv, dst_box_index) {
int dst_off_x, dst_off_y;
glamor_set_destination_drawable(port_priv->pDraw,
dst_box_index,
FALSE, FALSE,
glamor_priv->xv_prog_ext.matrix_uniform,
&dst_off_x, &dst_off_y);
for (i = 0; i < nBox; i++) {
int dstx, dsty, dstw, dsth;
dstx = box[i].x1 + dst_off_x;
dsty = box[i].y1 + dst_off_y;
dstw = box[i].x2 - box[i].x1;
dsth = box[i].y2 - box[i].y1;
glScissor(dstx, dsty, dstw, dsth);
glDrawArrays(GL_TRIANGLE_FAN, 0, 3);
}
}
glDisable(GL_SCISSOR_TEST);
glDisableVertexAttribArray(GLAMOR_VERTEX_POS);
glDisableVertexAttribArray(GLAMOR_VERTEX_SOURCE);
DamageRegionProcessPending(port_priv->pDraw);
glamor_xv_free_port_data(port_priv);
glDeleteTextures(1, &texture);
destroy_image(glamor_priv->ctx.display, image);
glamor_pixmap_invalid(pixmap);
return Success;
}
static int
glamor_xv_put_dma_image(glamor_port_private *port_priv,
DrawablePtr pDrawable,
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,
short width,
short height,
Bool sync,
RegionPtr clipBoxes)
{
ScreenPtr pScreen = pDrawable->pScreen;
struct iovec iov;
struct msghdr msg;
struct cmsghdr *header;
char buf[CMSG_SPACE (sizeof (int))];
int dma_fds[XV_MAX_DMA_FD], num_dma_fd;
int ret = BadMatch;
if (!port_priv->dma_client || port_priv->dma_socket_fd <= 0)
return BadMatch;
/* Only support NV12 for now */
if (id != FOURCC_NV12)
return BadValue;
iov.iov_base = buf;
iov.iov_len = 1;
msg.msg_iov = &iov;
msg.msg_iovlen = 1;
msg.msg_name = NULL;
msg.msg_namelen = 0;
num_dma_fd = 0;
while (1) {
msg.msg_control = buf;
msg.msg_controllen = sizeof(buf);
if (recvmsg(port_priv->dma_socket_fd, &msg, 0) < 0)
break;
/* End with a empty msg */
header = CMSG_FIRSTHDR(&msg);
if (!header)
break;
for (; header != NULL; header = CMSG_NXTHDR(&msg, header)) {
if (header->cmsg_level != SOL_SOCKET
|| header->cmsg_type != SCM_RIGHTS
|| header->cmsg_len != CMSG_LEN(sizeof(int)))
break;
dma_fds[num_dma_fd++] = *((int *)CMSG_DATA(header));
}
}
/* Expected 1 buffer for NV12 */
if (num_dma_fd != 1)
goto out;
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;
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;
ret = glamor_xv_render_dma(port_priv, dma_fds[0]);
if (ret == Success && sync)
glamor_finish(pScreen);
out:
while (num_dma_fd--)
close(dma_fds[num_dma_fd]);
if (ret != Success) {
ErrorF("glamor xv failed to render dma image\n");
glamor_xv_set_dma_client(port_priv, 0);
}
return ret;
}
int
glamor_xv_put_image(glamor_port_private *port_priv,
DrawablePtr pDrawable,
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)
{
ScreenPtr pScreen = pDrawable->pScreen;
glamor_screen_private *glamor_priv = glamor_get_screen_private(pScreen);
int srcPitch, srcPitch2;
int top, nlines;
int s2offset, s3offset, tmp;
BoxRec full_box, half_box;
if (glamor_xv_put_dma_image(port_priv, pDrawable,
src_x, src_y, drw_x, drw_y,
src_w, src_h, drw_w, drw_h,
id, width, height, sync, clipBoxes) == Success)
return Success;
s2offset = s3offset = srcPitch2 = 0;
if (!port_priv->src_pix[0] ||
(width != port_priv->src_pix_w || height != port_priv->src_pix_h) ||
(port_priv->src_pix[2] && id == FOURCC_NV12) ||
(!port_priv->src_pix[2] && id != FOURCC_NV12)) {
int i;
if (glamor_priv->xv_prog.prog) {
glDeleteProgram(glamor_priv->xv_prog.prog);
glamor_priv->xv_prog.prog = 0;
}
for (i = 0; i < 3; i++)
if (port_priv->src_pix[i])
glamor_destroy_pixmap(port_priv->src_pix[i]);