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vo_gl3: move OSD code to gl_osd.c

Browse Source 
Other OpenGL-using VOs can use this.

gl_osd.c includes some code for vo_gl.c. The next commit actually
makes use of it.
This commit is contained in:
wm4 2012-10-03 18:25:41 +02:00
parent 8f8f6e6d9d
commit cadff3eec7
7 changed files with 456 additions and 208 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
Makefile
View File

@ -284,7 +284,7 @@ SRCS_MPLAYER-$(COREAUDIO) += libao2/ao_coreaudio.c
SRCS_MPLAYER-$(COREVIDEO) += libvo/vo_corevideo.m
SRCS_MPLAYER-$(DIRECT3D) += libvo/vo_direct3d.c libvo/w32_common.c
SRCS_MPLAYER-$(GL) += libvo/gl_common.c libvo/vo_gl.c libvo/vo_gl3.c \
pnm_loader.c
pnm_loader.c libvo/gl_osd.c
SRCS_MPLAYER-$(ENCODING) += libvo/vo_lavc.c libao2/ao_lavc.c encode_lavc.c
SRCS_MPLAYER-$(GL_WIN32) += libvo/w32_common.c
SRCS_MPLAYER-$(GL_X11) += libvo/x11_common.c

25
libvo/bitmap_packer.c
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@ -20,6 +20,7 @@
*/
#include <stdlib.h>
#include <assert.h>
#include <libavutil/common.h>
@ -29,6 +30,9 @@
#include "mpcommon.h"
#include "sub/ass_mp.h"
#include "sub/dec_sub.h"
#include "fastmemcpy.h"
#define IS_POWER_OF_2(x) (((x) > 0) && !(((x) - 1) & (x)))
void packer_reset(struct bitmap_packer *packer)
{
@ -160,6 +164,8 @@ int packer_pack(struct bitmap_packer *packer)
// No padding at edges
packer->used_width = FFMIN(used_width, packer->w);
packer->used_height = FFMIN(y, packer->h);
assert(packer->w == 0 || IS_POWER_OF_2(packer->w));
assert(packer->h == 0 || IS_POWER_OF_2(packer->h));
return packer->w != w_orig || packer->h != h_orig;
}
if (packer->w <= packer->h && packer->w != packer->w_max)
@ -201,3 +207,22 @@ int packer_pack_from_subbitmaps(struct bitmap_packer *packer,
packer->in[i] = (struct pos){b->parts[i].w + a, b->parts[i].h + a};
return packer_pack(packer);
}
void packer_copy_subbitmaps(struct bitmap_packer *packer, struct sub_bitmaps *b,
void *data, int pixel_stride, int stride)
{
assert(packer->count == b->num_parts);
if (packer->padding) {
struct pos bb[2];
packer_get_bb(packer, bb);
memset_pic(data, 0, bb[1].x * pixel_stride, bb[1].y, stride);
}
for (int n = 0; n < packer->count; n++) {
struct sub_bitmap *s = &b->parts[n];
struct pos p = packer->result[n];
void *pdata = (uint8_t *)data + p.y * stride + p.x * pixel_stride;
memcpy_pic(pdata, s->bitmap, s->w * pixel_stride, s->h,
stride, s->stride);
}
}

10
libvo/bitmap_packer.h
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@ -43,6 +43,7 @@ void packer_set_size(struct bitmap_packer *packer, int size);
* Write input sizes in packer->in.
* Resulting packing will be written in packer->result.
* w and h will be increased if necessary for successful packing.
* There is a strong guarantee that w and h will be powers of 2 (or set to 0).
* Return value is -1 if packing failed because w and h were set to max
* values but that wasn't enough, 1 if w or h was increased, and 0 otherwise.
*/
@ -55,4 +56,13 @@ int packer_pack(struct bitmap_packer *packer);
int packer_pack_from_subbitmaps(struct bitmap_packer *packer,
struct sub_bitmaps *b);
// Copy the (already packed) sub-bitmaps from b to the image in data.
// data must point to an image that is at least (packer->w, packer->h) big.
// The image has the given stride (bytes between (x, y) to (x, y + 1)), and the
// pixel format used by both the sub-bitmaps and the image uses pixel_stride
// bytes per pixel (bytes between (x, y) to (x + 1, y)).
// If packer->padding is set, the padding borders are cleared with 0.
void packer_copy_subbitmaps(struct bitmap_packer *packer, struct sub_bitmaps *b,
void *data, int pixel_stride, int stride);
#endif

3
libvo/gl_common.c
View File

@ -38,6 +38,7 @@
#include <string.h>
#include <ctype.h>
#include <stdbool.h>
#include <assert.h>
#include <math.h>
#include "talloc.h"
#include "gl_common.h"
@ -45,6 +46,8 @@
#include "aspect.h"
#include "pnm_loader.h"
#include "options.h"
#include "sub/sub.h"
#include "bitmap_packer.h"
//! \defgroup glgeneral OpenGL general helper functions

322
libvo/gl_osd.c Normal file
View File

@ -0,0 +1,322 @@
/*
* This file is part of mplayer.
*
* mplayer is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* mplayer is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with mplayer. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdlib.h>
#include <assert.h>
#include <libavutil/common.h>
#include "bitmap_packer.h"
#include "gl_osd.h"
struct osd_fmt_entry {
GLint internal_format;
GLint format;
GLenum type;
};
// glBlendFunc() arguments
static const int blend_factors[SUBBITMAP_COUNT][2] = {
[SUBBITMAP_LIBASS] = {GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA},
[SUBBITMAP_RGBA] = {GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA},
[SUBBITMAP_OLD] = {GL_ONE, GL_ONE_MINUS_SRC_ALPHA},
};
static const struct osd_fmt_entry osd_to_gl3_formats[SUBBITMAP_COUNT] = {
[SUBBITMAP_LIBASS] = {GL_RED, GL_RED, GL_UNSIGNED_BYTE},
[SUBBITMAP_RGBA] = {GL_RGBA, GL_BGRA, GL_UNSIGNED_BYTE},
[SUBBITMAP_OLD] = {GL_RG, GL_RG, GL_UNSIGNED_BYTE},
};
static const struct osd_fmt_entry osd_to_gl_legacy_formats[SUBBITMAP_COUNT] = {
[SUBBITMAP_LIBASS] = {GL_ALPHA, GL_ALPHA, GL_UNSIGNED_BYTE},
[SUBBITMAP_RGBA] = {GL_RGBA, GL_BGRA, GL_UNSIGNED_BYTE},
[SUBBITMAP_OLD] =
{GL_LUMINANCE_ALPHA, GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE},
};
struct mpgl_osd *mpgl_osd_init(GL *gl, bool legacy)
{
GLint max_texture_size;
gl->GetIntegerv(GL_MAX_TEXTURE_SIZE, &max_texture_size);
struct mpgl_osd *ctx = talloc_ptrtype(NULL, ctx);
*ctx = (struct mpgl_osd) {
.gl = gl,
.fmt_table = legacy ? osd_to_gl_legacy_formats : osd_to_gl3_formats,
.scratch = talloc_zero_size(ctx, 1),
};
for (int n = 0; n < MAX_OSD_PARTS; n++) {
struct mpgl_osd_part *p = talloc_ptrtype(ctx, p);
*p = (struct mpgl_osd_part) {
.packer = talloc_struct(p, struct bitmap_packer, {
.w_max = max_texture_size,
.h_max = max_texture_size,
}),
};
ctx->parts[n] = p;
}
return ctx;
}
void mpgl_osd_destroy(struct mpgl_osd *ctx)
{
GL *gl = ctx->gl;
for (int n = 0; n < MAX_OSD_PARTS; n++) {
struct mpgl_osd_part *p = ctx->parts[n];
gl->DeleteTextures(1, &p->texture);
if (gl->DeleteBuffers)
gl->DeleteBuffers(1, &p->buffer);
}
talloc_free(ctx);
}
bool mpgl_osd_query_format(struct mpgl_osd *ctx, int osd_format)
{
return ctx->fmt_table[osd_format].type != 0;
}
static bool upload_pbo(struct mpgl_osd *ctx, struct mpgl_osd_part *osd,
struct sub_bitmaps *imgs)
{
GL *gl = ctx->gl;
bool success = true;
struct osd_fmt_entry fmt = ctx->fmt_table[imgs->format];
int pix_stride = glFmt2bpp(fmt.format, fmt.type);
if (!osd->buffer) {
gl->GenBuffers(1, &osd->buffer);
gl->BindBuffer(GL_PIXEL_UNPACK_BUFFER, osd->buffer);
gl->BufferData(GL_PIXEL_UNPACK_BUFFER, osd->w * osd->h * pix_stride,
NULL, GL_DYNAMIC_COPY);
gl->BindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
}
gl->BindBuffer(GL_PIXEL_UNPACK_BUFFER, osd->buffer);
char *data = gl->MapBuffer(GL_PIXEL_UNPACK_BUFFER, GL_WRITE_ONLY);
if (!data) {
success = false;
} else {
struct pos bb[2];
packer_get_bb(osd->packer, bb);
size_t stride = osd->w * pix_stride;
packer_copy_subbitmaps(osd->packer, imgs, data, pix_stride, stride);
if (!gl->UnmapBuffer(GL_PIXEL_UNPACK_BUFFER))
success = false;
glUploadTex(gl, GL_TEXTURE_2D, fmt.format, fmt.type, NULL, stride,
bb[0].x, bb[0].y, bb[1].x - bb[0].x, bb[1].y - bb[0].y,
0);
}
gl->BindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
if (!success) {
mp_msg(MSGT_VO, MSGL_FATAL, "[gl] Error: can't upload subtitles! "
"Remove the 'pbo' suboption.\n");
}
return success;
}
static void upload_tex(struct mpgl_osd *ctx, struct mpgl_osd_part *osd,
struct sub_bitmaps *imgs)
{
struct osd_fmt_entry fmt = ctx->fmt_table[imgs->format];
if (osd->packer->padding) {
struct pos bb[2];
packer_get_bb(osd->packer, bb);
glClearTex(ctx->gl, GL_TEXTURE_2D, fmt.format, fmt.type,
bb[0].x, bb[0].y, bb[1].x - bb[0].y, bb[1].y - bb[0].y,
0, &ctx->scratch);
}
for (int n = 0; n < osd->packer->count; n++) {
struct sub_bitmap *s = &imgs->parts[n];
struct pos p = osd->packer->result[n];
glUploadTex(ctx->gl, GL_TEXTURE_2D, fmt.format, fmt.type,
s->bitmap, s->stride, p.x, p.y, s->w, s->h, 0);
}
}
static bool upload_osd(struct mpgl_osd *ctx, struct mpgl_osd_part *osd,
struct sub_bitmaps *imgs)
{
GL *gl = ctx->gl;
osd->packer->padding = imgs->scaled; // assume 2x2 filter on scaling
int r = packer_pack_from_subbitmaps(osd->packer, imgs);
if (r < 0) {
mp_msg(MSGT_VO, MSGL_ERR, "[gl] EOSD bitmaps do not fit on "
"a surface with the maximum supported size %dx%d.\n",
osd->packer->w_max, osd->packer->h_max);
return false;
}
struct osd_fmt_entry fmt = ctx->fmt_table[imgs->format];
assert(fmt.type != 0);
if (!osd->texture)
gl->GenTextures(1, &osd->texture);
gl->BindTexture(GL_TEXTURE_2D, osd->texture);
if (osd->packer->w > osd->w || osd->packer->h > osd->h
|| osd->format != imgs->format)
{
osd->format = imgs->format;
osd->w = FFMAX(32, osd->packer->w);
osd->h = FFMAX(32, osd->packer->h);
gl->TexImage2D(GL_TEXTURE_2D, 0, fmt.internal_format, osd->w, osd->h,
0, fmt.format, fmt.type, NULL);
gl->TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
gl->TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
gl->TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
gl->TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
if (gl->DeleteBuffers)
gl->DeleteBuffers(1, &osd->buffer);
osd->buffer = 0;
}
bool uploaded = false;
if (ctx->use_pbo)
uploaded = upload_pbo(ctx, osd, imgs);
if (!uploaded)
upload_tex(ctx, osd, imgs);
gl->BindTexture(GL_TEXTURE_2D, 0);
return true;
}
struct mpgl_osd_part *mpgl_osd_generate(struct mpgl_osd *ctx,
struct sub_bitmaps *imgs)
{
if (imgs->num_parts == 0 || !mpgl_osd_query_format(ctx, imgs->format))
return NULL;
struct mpgl_osd_part *osd = ctx->parts[imgs->render_index];
if (imgs->bitmap_pos_id != osd->bitmap_pos_id) {
if (imgs->bitmap_id != osd->bitmap_id) {
if (!upload_osd(ctx, osd, imgs))
osd->packer->count = 0;
}
osd->bitmap_id = imgs->bitmap_id;
osd->bitmap_pos_id = imgs->bitmap_pos_id;
osd->num_vertices = 0;
}
return osd->packer->count ? osd : NULL;
}
void mpgl_osd_gl_set_state(struct mpgl_osd *ctx, struct mpgl_osd_part *p)
{
GL *gl = ctx->gl;
gl->BindTexture(GL_TEXTURE_2D, p->texture);
gl->Enable(GL_BLEND);
gl->BlendFunc(blend_factors[p->format][0], blend_factors[p->format][1]);
}
void mpgl_osd_gl_unset_state(struct mpgl_osd *ctx, struct mpgl_osd_part *p)
{
GL *gl = ctx->gl;
gl->Disable(GL_BLEND);
gl->BindTexture(GL_TEXTURE_2D, 0);
}
struct vertex {
float position[2];
uint8_t color[4];
float texcoord[2];
};
void mpgl_osd_draw_legacy(struct mpgl_osd *ctx, struct sub_bitmaps *imgs)
{
struct mpgl_osd_part *osd = mpgl_osd_generate(ctx, imgs);
if (!osd)
return;
if (!osd->num_vertices) {
// 2 triangles primitives per quad = 6 vertices per quad
// not using GL_QUADS, as it is deprecated in OpenGL 3.x and later
osd->vertices = talloc_realloc(osd, osd->vertices, struct vertex,
osd->packer->count * 6);
struct vertex *va = osd->vertices;
float tex_w = osd->w;
float tex_h = osd->h;
for (int n = 0; n < osd->packer->count; n++) {
struct sub_bitmap *b = &imgs->parts[n];
struct pos p = osd->packer->result[n];
uint32_t c = imgs->format == SUBBITMAP_LIBASS
? b->libass.color : 0xFFFFFF00;
uint8_t color[4] = { c >> 24, (c >> 16) & 0xff,
(c >> 8) & 0xff, 255 - (c & 0xff) };
float x0 = b->x;
float y0 = b->y;
float x1 = b->x + b->dw;
float y1 = b->y + b->dh;
float tx0 = p.x / tex_w;
float ty0 = p.y / tex_h;
float tx1 = (p.x + b->w) / tex_w;
float ty1 = (p.y + b->h) / tex_h;
#define COLOR_INIT {color[0], color[1], color[2], color[3]}
struct vertex *v = &va[osd->num_vertices];
v[0] = (struct vertex) { {x0, y0}, COLOR_INIT, {tx0, ty0} };
v[1] = (struct vertex) { {x0, y1}, COLOR_INIT, {tx0, ty1} };
v[2] = (struct vertex) { {x1, y0}, COLOR_INIT, {tx1, ty0} };
v[3] = (struct vertex) { {x1, y1}, COLOR_INIT, {tx1, ty1} };
v[4] = v[2];
v[5] = v[1];
#undef COLOR_INIT
osd->num_vertices += 6;
}
}
GL *gl = ctx->gl;
struct vertex *va = osd->vertices;
size_t stride = sizeof(va[0]);
gl->VertexPointer(2, GL_FLOAT, stride, &va[0].position[0]);
gl->ColorPointer(4, GL_UNSIGNED_BYTE, stride, &va[0].color[0]);
gl->TexCoordPointer(2, GL_FLOAT, stride, &va[0].texcoord[0]);
gl->EnableClientState(GL_VERTEX_ARRAY);
gl->EnableClientState(GL_TEXTURE_COORD_ARRAY);
gl->EnableClientState(GL_COLOR_ARRAY);
mpgl_osd_gl_set_state(ctx, osd);
gl->DrawArrays(GL_TRIANGLES, 0, osd->num_vertices);
mpgl_osd_gl_unset_state(ctx, osd);
gl->DisableClientState(GL_VERTEX_ARRAY);
gl->DisableClientState(GL_TEXTURE_COORD_ARRAY);
gl->DisableClientState(GL_COLOR_ARRAY);
}

41
libvo/gl_osd.h Normal file
View File

@ -0,0 +1,41 @@
#ifndef MPLAYER_GL_OSD_H
#define MPLAYER_GL_OSD_H
#include <stdbool.h>
#include <inttypes.h>
#include "gl_common.h"
#include "sub/sub.h"
struct mpgl_osd_part {
enum sub_bitmap_format format;
int bitmap_id, bitmap_pos_id;
GLuint texture;
int w, h;
GLuint buffer;
int num_vertices;
void *vertices;
struct bitmap_packer *packer;
};
struct mpgl_osd {
GL *gl;
bool use_pbo;
struct mpgl_osd_part *parts[MAX_OSD_PARTS];
const struct osd_fmt_entry *fmt_table;
void *scratch;
};
struct mpgl_osd *mpgl_osd_init(GL *gl, bool legacy);
void mpgl_osd_destroy(struct mpgl_osd *ctx);
bool mpgl_osd_query_format(struct mpgl_osd *ctx, int osd_format);
void mpgl_osd_draw_legacy(struct mpgl_osd *ctx, struct sub_bitmaps *b);
struct mpgl_osd_part *mpgl_osd_generate(struct mpgl_osd *ctx,
struct sub_bitmaps *b);
void mpgl_osd_gl_set_state(struct mpgl_osd *ctx, struct mpgl_osd_part *p);
void mpgl_osd_gl_unset_state(struct mpgl_osd *ctx, struct mpgl_osd_part *p);
#endif

261
libvo/vo_gl3.c
View File

@ -50,6 +50,7 @@
#include "bitmap_packer.h"
#include "gl_common.h"
#include "gl_osd.h"
#include "filter_kernels.h"
#include "aspect.h"
#include "fastmemcpy.h"
@ -142,17 +143,6 @@ struct fbotex {
int vp_w, vp_h; // viewport of fbo / used part of the texture
};
struct osd_render {
enum sub_bitmap_format format;
int bitmap_id, bitmap_pos_id;
GLuint texture;
int width, height;
GLuint buffer;
int num_vertices;
struct vertex *vertices;
struct bitmap_packer *packer;
};
struct gl_priv {
struct vo *vo;
MPGLContext *glctx;
@ -186,7 +176,7 @@ struct gl_priv {
GLuint osd_programs[SUBBITMAP_COUNT];
GLuint indirect_program, scale_sep_program, final_program;
struct osd_render *osd[MAX_OSD_PARTS];
struct mpgl_osd *osd;
GLuint lut_3d_texture;
int lut_3d_w, lut_3d_h, lut_3d_d;
@ -260,23 +250,10 @@ static const struct fmt_entry mp_to_gl_formats[] = {
{0},
};
struct osd_fmt_entry {
GLint internal_format;
GLint format;
int stride; // bytes per pixel
GLenum type;
const char *shader; // shader entry in the .glsl file
};
static const struct osd_fmt_entry osd_to_gl_formats[] = {
[SUBBITMAP_LIBASS]
= {GL_RED, GL_RED, 1, GL_UNSIGNED_BYTE, "frag_osd_libass"},
[SUBBITMAP_RGBA]
= {GL_RGBA, GL_BGRA, 4, GL_UNSIGNED_BYTE, "frag_osd_rgba"},
[SUBBITMAP_OLD]
= {GL_RG, GL_RG, 2, GL_UNSIGNED_BYTE, "frag_osd_old"},
// Make array long enough to contain all formats
[SUBBITMAP_COUNT] = {0}
static const char *osd_shaders[SUBBITMAP_COUNT] = {
[SUBBITMAP_LIBASS] = "frag_osd_libass",
[SUBBITMAP_RGBA] = "frag_osd_rgba",
[SUBBITMAP_OLD] = "frag_osd_old",
};
@ -678,11 +655,11 @@ static void compile_shaders(struct gl_priv *p)
shader_def_opt(&header_osd, "USE_3DLUT", p->use_lut_3d);
for (int n = 0; n < SUBBITMAP_COUNT; n++) {
struct osd_fmt_entry fmt = osd_to_gl_formats[n];
if (fmt.shader) {
char *s_osd = get_section(tmp, src, fmt.shader);
const char *name = osd_shaders[n];
if (name) {
char *s_osd = get_section(tmp, src, name);
p->osd_programs[n] =
create_program(gl, fmt.shader, header_osd, vertex_shader, s_osd);
create_program(gl, name, header_osd, vertex_shader, s_osd);
}
}
@ -947,6 +924,11 @@ static void reinit_rendering(struct gl_priv *p)
if (p->indirect_program && !p->indirect_fbo.fbo)
fbotex_init(p, &p->indirect_fbo, p->texture_width, p->texture_height);
if (!p->osd) {
p->osd = mpgl_osd_init(p->gl, false);
p->osd->use_pbo = p->use_pbo;
}
}
static void uninit_rendering(struct gl_priv *p)
@ -964,6 +946,10 @@ static void uninit_rendering(struct gl_priv *p)
gl->DeleteTextures(1, &p->dither_texture);
p->dither_texture = 0;
if (p->osd)
mpgl_osd_destroy(p->osd);
p->osd = NULL;
}
static void init_lut_3d(struct gl_priv *p)
@ -1409,166 +1395,51 @@ static mp_image_t *get_window_screenshot(struct gl_priv *p)
return image;
}
static void gen_eosd(struct gl_priv *p, struct osd_render *osd,
struct sub_bitmaps *imgs)
{
GL *gl = p->gl;
if (imgs->bitmap_pos_id == osd->bitmap_pos_id)
return;
osd->num_vertices = 0;
if (imgs->format == SUBBITMAP_EMPTY || imgs->num_parts == 0)
return;
bool need_upload = imgs->bitmap_id != osd->bitmap_id;
bool need_allocate = false;
if (imgs->format != osd->format) {
packer_reset(osd->packer);
osd->format = imgs->format;
need_allocate = true;
}
osd->bitmap_id = imgs->bitmap_id;
osd->bitmap_pos_id = imgs->bitmap_pos_id;
osd->packer->padding = imgs->scaled; // assume 2x2 filter on scaling
int r = packer_pack_from_subbitmaps(osd->packer, imgs);
if (r < 0) {
mp_msg(MSGT_VO, MSGL_ERR, "[gl] EOSD bitmaps do not fit on "
"a surface with the maximum supported size %dx%d.\n",
osd->packer->w_max, osd->packer->h_max);
return;
} else if (r > 0) {
need_allocate = true;
}
struct osd_fmt_entry fmt = osd_to_gl_formats[imgs->format];
assert(fmt.shader);
if (!osd->texture) {
gl->GenTextures(1, &osd->texture);
gl->GenBuffers(1, &osd->buffer);
}
gl->BindTexture(GL_TEXTURE_2D, osd->texture);
if (need_allocate) {
tex_size(p, osd->packer->w, osd->packer->h, &osd->width, &osd->height);
gl->TexImage2D(GL_TEXTURE_2D, 0, fmt.internal_format, osd->width,
osd->height, 0, fmt.format, fmt.type, NULL);
default_tex_params(gl, GL_TEXTURE_2D, GL_LINEAR);
gl->BindBuffer(GL_PIXEL_UNPACK_BUFFER, osd->buffer);
gl->BufferData(GL_PIXEL_UNPACK_BUFFER,
osd->width * osd->height * fmt.stride,
NULL, GL_DYNAMIC_COPY);
gl->BindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
}
struct pos bb[2];
packer_get_bb(osd->packer, bb);
if (need_upload && p->use_pbo) {
gl->BindBuffer(GL_PIXEL_UNPACK_BUFFER, osd->buffer);
char *data = gl->MapBuffer(GL_PIXEL_UNPACK_BUFFER, GL_WRITE_ONLY);
size_t stride = osd->width * fmt.stride;
if (!data) {
mp_msg(MSGT_VO, MSGL_FATAL, "[gl] Error: can't upload subtitles! "
"Remove the 'pbo' suboption.\n");
} else {
if (imgs->scaled) {
int w = bb[1].x - bb[0].x;
int h = bb[1].y - bb[0].y;
memset_pic(data, 0, w * fmt.stride, h, stride);
}
for (int n = 0; n < osd->packer->count; n++) {
struct sub_bitmap *b = &imgs->parts[n];
struct pos p = osd->packer->result[n];
void *pdata = data + p.y * stride + p.x * fmt.stride;
memcpy_pic(pdata, b->bitmap, b->w * fmt.stride, b->h,
stride, b->stride);
}
if (!gl->UnmapBuffer(GL_PIXEL_UNPACK_BUFFER))
mp_msg(MSGT_VO, MSGL_FATAL, "[gl] EOSD PBO upload failed. "
"Remove the 'pbo' suboption.\n");
glUploadTex(gl, GL_TEXTURE_2D, fmt.format, fmt.type, NULL, stride,
bb[0].x, bb[0].y, bb[1].x - bb[0].x, bb[1].y - bb[0].y,
0);
need_upload = false;
}
gl->BindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
}
if (need_upload) {
// non-PBO upload
if (imgs->scaled) {
glClearTex(gl, GL_TEXTURE_2D, fmt.format, fmt.type,
bb[0].x, bb[0].y, bb[1].x - bb[0].y, bb[1].y - bb[0].y,
0, &p->scratch);
}
for (int n = 0; n < osd->packer->count; n++) {
struct sub_bitmap *b = &imgs->parts[n];
struct pos p = osd->packer->result[n];
glUploadTex(gl, GL_TEXTURE_2D, fmt.format, fmt.type,
b->bitmap, b->stride, p.x, p.y, b->w, b->h, 0);
}
}
gl->BindTexture(GL_TEXTURE_2D, 0);
debug_check_gl(p, "EOSD upload");
osd->vertices = talloc_realloc_size(osd, osd->vertices,
osd->packer->count
* sizeof(struct vertex)
* VERTICES_PER_QUAD);
for (int n = 0; n < osd->packer->count; n++) {
struct sub_bitmap *b = &imgs->parts[n];
struct pos p = osd->packer->result[n];
// NOTE: the blend color is used with SUBBITMAP_LIBASS only, so it
// doesn't matter that we upload garbage for the other formats
uint32_t c = b->libass.color;
uint8_t color[4] = { c >> 24, (c >> 16) & 0xff,
(c >> 8) & 0xff, 255 - (c & 0xff) };
write_quad(&osd->vertices[osd->num_vertices],
b->x, b->y, b->x + b->dw, b->y + b->dh,
p.x, p.y, p.x + b->w, p.y + b->h,
osd->width, osd->height, color, false);
osd->num_vertices += VERTICES_PER_QUAD;
}
}
static void draw_eosd(struct gl_priv *p, struct sub_bitmaps *imgs)
{
GL *gl = p->gl;
struct osd_render *osd = p->osd[imgs->render_index];
assert(p->osd);
gen_eosd(p, osd, imgs);
if (osd->num_vertices == 0)
struct mpgl_osd_part *osd = mpgl_osd_generate(p->osd, imgs);
if (!osd)
return;
assert(osd->format != SUBBITMAP_EMPTY);
gl->Enable(GL_BLEND);
if (osd->format == SUBBITMAP_OLD) {
gl->BlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
} else {
gl->BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
if (!osd->num_vertices) {
osd->vertices = talloc_realloc(osd, osd->vertices, struct vertex,
osd->packer->count * VERTICES_PER_QUAD);
struct vertex *va = osd->vertices;
for (int n = 0; n < osd->packer->count; n++) {
struct sub_bitmap *b = &imgs->parts[n];
struct pos p = osd->packer->result[n];
// NOTE: the blend color is used with SUBBITMAP_LIBASS only, so it
// doesn't matter that we upload garbage for the other formats
uint32_t c = b->libass.color;
uint8_t color[4] = { c >> 24, (c >> 16) & 0xff,
(c >> 8) & 0xff, 255 - (c & 0xff) };
write_quad(&va[osd->num_vertices],
b->x, b->y, b->x + b->dw, b->y + b->dh,
p.x, p.y, p.x + b->w, p.y + b->h,
osd->w, osd->h, color, false);
osd->num_vertices += VERTICES_PER_QUAD;
}
}
gl->BindTexture(GL_TEXTURE_2D, osd->texture);
debug_check_gl(p, "before drawing osd");
gl->UseProgram(p->osd_programs[osd->format]);
mpgl_osd_gl_set_state(p->osd, osd);
draw_triangles(p, osd->vertices, osd->num_vertices);
mpgl_osd_gl_unset_state(p->osd, osd);
gl->UseProgram(0);
gl->BindTexture(GL_TEXTURE_2D, 0);
gl->Disable(GL_BLEND);
debug_check_gl(p, "after drawing osd");
}
static void setup_vertex_array(GL *gl)
@ -1630,21 +1501,6 @@ static int init_gl(struct gl_priv *p)
gl->BindBuffer(GL_ARRAY_BUFFER, 0);
gl->BindVertexArray(0);
GLint max_texture_size;
gl->GetIntegerv(GL_MAX_TEXTURE_SIZE, &max_texture_size);
for (int n = 0; n < MAX_OSD_PARTS; n++) {
assert(!p->osd[n]);
struct osd_render *osd = talloc_ptrtype(p, osd);
*osd = (struct osd_render) {
.packer = talloc_struct(osd, struct bitmap_packer, {
.w_max = max_texture_size,
.h_max = max_texture_size,
}),
};
p->osd[n] = osd;
}
gl->ClearColor(0.0f, 0.0f, 0.0f, 0.0f);
gl->Clear(GL_COLOR_BUFFER_BIT);
@ -1668,16 +1524,6 @@ static void uninit_gl(struct gl_priv *p)
gl->DeleteBuffers(1, &p->vertex_buffer);
p->vertex_buffer = 0;
for (int n = 0; n < MAX_OSD_PARTS; n++) {
struct osd_render *osd = p->osd[n];
if (!osd)
continue;
gl->DeleteTextures(1, &osd->texture);
gl->DeleteBuffers(1, &osd->buffer);
talloc_free(osd);
p->osd[n] = NULL;
}
gl->DeleteTextures(1, &p->lut_3d_texture);
p->lut_3d_texture = 0;
}
@ -1852,8 +1698,9 @@ static int control(struct vo *vo, uint32_t request, void *data)
return VO_TRUE;
}
case VOCTRL_QUERY_EOSD_FORMAT: {
int *p = data;
return osd_to_gl_formats[*p].shader ? VO_TRUE : VO_NOTIMPL;
int f = *(int *)data;
return (mpgl_osd_query_format(p->osd, f) && osd_shaders[f])
? VO_TRUE : VO_NOTIMPL;
}
case VOCTRL_ONTOP:
if (!p->glctx->ontop)