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-rw-r--r--video/out/gl_video.c2443
1 files changed, 1132 insertions, 1311 deletions
diff --git a/video/out/gl_video.c b/video/out/gl_video.c
index 5ddb6c5cad..5f64dcb1d6 100644
--- a/video/out/gl_video.c
+++ b/video/out/gl_video.c
@@ -41,15 +41,10 @@
#include "bitmap_packer.h"
#include "dither.h"
-static const char vo_opengl_shaders[] =
-// Generated from gl_video_shaders.glsl
-#include "video/out/gl_video_shaders.h"
-;
-
// Pixel width of 1D lookup textures.
#define LOOKUP_TEXTURE_SIZE 256
-// Texture units 0-3 are used by the video, with unit 0 for free use.
+// Texture units 0-3 are used by the video, and for free use by the passes
// Units 4-5 are used for scaler LUTs.
#define TEXUNIT_SCALERS 4
#define TEXUNIT_3DLUT 6
@@ -70,14 +65,21 @@ static const char *const fixed_scale_filters[] = {
int filter_sizes[] =
{2, 4, 6, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 60, 64, 0};
+struct vertex_pt {
+ float x, y;
+};
+
struct vertex {
- float position[2];
- float texcoord[2];
+ struct vertex_pt position;
+ struct vertex_pt texcoord[4];
};
static const struct gl_vao_entry vertex_vao[] = {
- {"vertex_position", 2, GL_FLOAT, false, offsetof(struct vertex, position)},
- {"vertex_texcoord", 2, GL_FLOAT, false, offsetof(struct vertex, texcoord)},
+ {"position", 2, GL_FLOAT, false, offsetof(struct vertex, position)},
+ {"texcoord0", 2, GL_FLOAT, false, offsetof(struct vertex, texcoord[0])},
+ {"texcoord1", 2, GL_FLOAT, false, offsetof(struct vertex, texcoord[1])},
+ {"texcoord2", 2, GL_FLOAT, false, offsetof(struct vertex, texcoord[2])},
+ {"texcoord3", 2, GL_FLOAT, false, offsetof(struct vertex, texcoord[3])},
{0}
};
@@ -85,6 +87,7 @@ struct texplane {
int w, h;
int tex_w, tex_h;
GLint gl_internal_format;
+ GLenum gl_target;
GLenum gl_format;
GLenum gl_type;
GLuint gl_texture;
@@ -102,11 +105,15 @@ struct video_image {
struct scaler {
int index;
const char *name;
+ double scale_factor;
float params[2];
float antiring;
+
+ bool initialized;
struct filter_kernel *kernel;
GLuint gl_lut;
- const char *lut_name;
+ GLenum gl_target;
+ struct fbotex sep_fbo;
bool insufficient;
// kernel points here
@@ -116,10 +123,16 @@ struct scaler {
struct fbosurface {
struct fbotex fbotex;
int64_t pts;
- bool valid;
};
-#define FBOSURFACES_MAX 2
+#define FBOSURFACES_MAX 4
+
+struct src_tex {
+ GLuint gl_tex;
+ GLenum gl_target;
+ int tex_w, tex_h;
+ struct mp_rect_f src;
+};
struct gl_video {
GL *gl;
@@ -131,13 +144,12 @@ struct gl_video {
int depth_g;
int texture_16bit_depth; // actual bits available in 16 bit textures
+ struct gl_shader_cache *sc;
+
GLenum gl_target; // texture target (GL_TEXTURE_2D, ...) for video and FBOs
struct gl_vao vao;
- GLuint osd_programs[SUBBITMAP_COUNT];
- GLuint indirect_program, scale_sep_program, final_program, inter_program;
-
struct osd_state *osd_state;
struct mpgl_osd *osd;
double osd_pts;
@@ -146,8 +158,6 @@ struct gl_video {
bool use_lut_3d;
GLuint dither_texture;
- float dither_quantization;
- float dither_center;
int dither_size;
struct mp_image_params real_image_params; // configured format
@@ -159,41 +169,32 @@ struct gl_video {
bool is_yuv, is_rgb, is_packed_yuv;
bool has_alpha;
char color_swizzle[5];
- float chroma_fix[2];
- float input_gamma, conv_gamma;
- float user_gamma;
- bool user_gamma_enabled; // shader handles user_gamma
- bool sigmoid_enabled;
+ bool user_gamma_enabled;
struct video_image image;
struct fbotex indirect_fbo; // RGB target
- struct fbotex scale_sep_fbo; // first pass when doing 2 pass scaling
+ struct fbotex chroma_merge_fbo;
struct fbosurface surfaces[FBOSURFACES_MAX];
+
size_t surface_idx;
+ size_t surface_now;
+ bool is_interpolated;
// state for luma (0) and chroma (1) scalers
struct scaler scalers[2];
- // true if scaler is currently upscaling
- bool upscaling;
-
- // reinit_rendering must be called
- bool need_reinit_rendering;
-
- bool is_interpolated;
-
struct mp_csp_equalizer video_eq;
- // Source and destination color spaces for the CMS matrix
- struct mp_csp_primaries csp_src, csp_dest;
-
struct mp_rect src_rect; // displayed part of the source video
struct mp_rect dst_rect; // video rectangle on output window
struct mp_osd_res osd_rect; // OSD size/margins
- int vp_x, vp_y, vp_w, vp_h; // GL viewport
- bool vp_vflipped;
+ int vp_w, vp_h;
+
+ // temporary during rendering
+ struct src_tex pass_tex[4];
+ bool use_indirect;
int frames_rendered;
@@ -203,8 +204,6 @@ struct gl_video {
struct gl_hwdec *hwdec;
bool hwdec_active;
-
- void *scratch;
};
struct fmt_entry {
@@ -323,6 +322,7 @@ const struct gl_video_opts gl_video_opts_def = {
.sigmoid_center = 0.75,
.sigmoid_slope = 6.5,
.scalers = { "bilinear", "bilinear" },
+ .dscaler = "bilinear",
.scaler_params = {{NAN, NAN}, {NAN, NAN}},
.scaler_radius = {3, 3},
.alpha_mode = 2,
@@ -356,7 +356,19 @@ const struct m_sub_options gl_video_conf = {
.opts = (const m_option_t[]) {
OPT_FLOATRANGE("gamma", gamma, 0, 0.1, 2.0),
OPT_FLAG("gamma-auto", gamma_auto, 0),
- OPT_FLAG("srgb", srgb, 0),
+ OPT_CHOICE("target-prim", target_prim, 0,
+ ({"auto", MP_CSP_PRIM_AUTO},
+ {"bt601-525", MP_CSP_PRIM_BT_601_525},
+ {"bt601-625", MP_CSP_PRIM_BT_601_625},
+ {"bt709", MP_CSP_PRIM_BT_709},
+ {"bt2020", MP_CSP_PRIM_BT_2020},
+ {"bt470m", MP_CSP_PRIM_BT_470M})),
+ OPT_CHOICE("target-trc", target_trc, 0,
+ ({"auto", MP_CSP_TRC_AUTO},
+ {"bt1886", MP_CSP_TRC_BT_1886},
+ {"srgb", MP_CSP_TRC_SRGB},
+ {"linear", MP_CSP_TRC_LINEAR},
+ {"gamma22", MP_CSP_TRC_GAMMA22})),
OPT_FLAG("npot", npot, 0),
OPT_FLAG("pbo", pbo, 0),
OPT_STRING_VALIDATE("scale", scalers[0], 0, validate_scaler_opt),
@@ -423,6 +435,7 @@ const struct m_sub_options gl_video_conf = {
OPT_REPLACED("cparam2", "cscale-param2"),
OPT_REPLACED("cradius", "cscale-radius"),
OPT_REPLACED("cantiring", "cscale-antiring"),
+ OPT_REPLACED("srgb", "target-prim=srgb:target-trc=srgb"),
{0}
},
@@ -431,10 +444,12 @@ const struct m_sub_options gl_video_conf = {
};
static void uninit_rendering(struct gl_video *p);
-static void delete_shaders(struct gl_video *p);
+static void uninit_scaler(struct gl_video *p, int scaler_unit);
static void check_gl_features(struct gl_video *p);
static bool init_format(int fmt, struct gl_video *init);
-static double get_scale_factor(struct gl_video *p);
+
+#define GLSL(x) gl_sc_add(p->sc, #x "\n");
+#define GLSLF(...) gl_sc_addf(p->sc, __VA_ARGS__)
static const struct fmt_entry *find_tex_format(GL *gl, int bytes_per_comp,
int n_channels)
@@ -467,724 +482,400 @@ void gl_video_set_debug(struct gl_video *p, bool enable)
gl_set_debug_logger(gl, enable ? p->log : NULL);
}
-// Draw a textured quad.
-// x0, y0, x1, y1 = destination coordinates of the quad in pixels
-// tx0, ty0, tx1, ty1 = source texture coordinates in pixels
-// tex_w, tex_h = size of the texture in pixels
-// flags = bits 0-1: rotate, bits 2: flip vertically
-static void draw_quad(struct gl_video *p,
- float x0, float y0, float x1, float y1,
- float tx0, float ty0, float tx1, float ty1,
- float tex_w, float tex_h, int flags)
+static void gl_video_reset_surfaces(struct gl_video *p)
{
- if (p->gl_target != GL_TEXTURE_2D)
- tex_w = tex_h = 1.0f;
+ for (int i = 0; i < FBOSURFACES_MAX; i++)
+ p->surfaces[i].pts = 0;
+ p->surface_idx = 0;
+ p->surface_now = 0;
+}
- if (flags & 4) {
- float tmp = ty0;
- ty0 = ty1;
- ty1 = tmp;
- }
+static size_t fbosurface_next(size_t id)
+{
+ return (id+1) % FBOSURFACES_MAX;
+}
- struct vertex va[4] = {
- { {x0, y0}, {tx0 / tex_w, ty0 / tex_h} },
- { {x0, y1}, {tx0 / tex_w, ty1 / tex_h} },
- { {x1, y0}, {tx1 / tex_w, ty0 / tex_h} },
- { {x1, y1}, {tx1 / tex_w, ty1 / tex_h} },
- };
+static void recreate_osd(struct gl_video *p)
+{
+ if (p->osd)
+ mpgl_osd_destroy(p->osd);
+ p->osd = mpgl_osd_init(p->gl, p->log, p->osd_state);
+ mpgl_osd_set_options(p->osd, p->opts.pbo);
+}
- int rot = flags & 3;
- while (rot--) {
- static const int perm[4] = {1, 3, 0, 2};
- struct vertex vb[4];
- memcpy(vb, va, sizeof(vb));
- for (int n = 0; n < 4; n++)
- memcpy(va[n].texcoord, vb[perm[n]].texcoord, sizeof(float[2]));
- }
+static void reinit_rendering(struct gl_video *p)
+{
+ MP_VERBOSE(p, "Reinit rendering.\n");
- gl_vao_draw_data(&p->vao, GL_TRIANGLE_STRIP, va, 4);
+ debug_check_gl(p, "before scaler initialization");
- debug_check_gl(p, "after rendering");
-}
+ uninit_rendering(p);
-static void transpose3x3(float r[3][3])
-{
- MPSWAP(float, r[0][1], r[1][0]);
- MPSWAP(float, r[0][2], r[2][0]);
- MPSWAP(float, r[1][2], r[2][1]);
+ recreate_osd(p);
}
-static void update_uniforms(struct gl_video *p, GLuint program)
+static void uninit_rendering(struct gl_video *p)
{
GL *gl = p->gl;
- GLint loc;
- if (program == 0)
- return;
+ for (int n = 0; n < 2; n++)
+ uninit_scaler(p, n);
- gl->UseProgram(program);
+ gl->DeleteTextures(1, &p->dither_texture);
+ p->dither_texture = 0;
- struct mp_csp_params cparams = MP_CSP_PARAMS_DEFAULTS;
- cparams.gray = p->is_yuv && !p->is_packed_yuv && p->plane_count == 1;
- cparams.input_bits = p->image_desc.component_bits;
- cparams.texture_bits = (cparams.input_bits + 7) & ~7;
- mp_csp_set_image_params(&cparams, &p->image_params);
- mp_csp_copy_equalizer_values(&cparams, &p->video_eq);
- if (p->image_desc.flags & MP_IMGFLAG_XYZ) {
- cparams.colorspace = MP_CSP_XYZ;
- cparams.input_bits = 8;
- cparams.texture_bits = 8;
- }
+ gl_video_reset_surfaces(p);
+}
- loc = gl->GetUniformLocation(program, "transform");
- if (loc >= 0 && p->vp_w > 0 && p->vp_h > 0) {
- float matrix[3][3];
- int vvp[2] = {p->vp_h, 0};
- if (p->vp_vflipped)
- MPSWAP(int, vvp[0], vvp[1]);
- gl_matrix_ortho2d(matrix, 0, p->vp_w, vvp[0], vvp[1]);
- gl->UniformMatrix3fv(loc, 1, GL_FALSE, &matrix[0][0]);
- }
+void gl_video_set_lut3d(struct gl_video *p, struct lut3d *lut3d)
+{
+ GL *gl = p->gl;
- loc = gl->GetUniformLocation(program, "colormatrix");
- if (loc >= 0) {
- struct mp_cmat m = {{{0}}};
- if (p->image_desc.flags & MP_IMGFLAG_XYZ) {
- // Hard-coded as relative colorimetric for now, since this transforms
- // from the source file's D55 material to whatever color space our
- // projector/display lives in, which should be D55 for a proper
- // home cinema setup either way.
- mp_get_xyz2rgb_coeffs(&cparams, p->csp_src,
- MP_INTENT_RELATIVE_COLORIMETRIC, &m);
- } else {
- mp_get_yuv2rgb_coeffs(&cparams, &m);
+ if (!lut3d) {
+ if (p->use_lut_3d) {
+ p->use_lut_3d = false;
+ reinit_rendering(p);
}
- transpose3x3(m.m); // GLES2 can not transpose in glUniformMatrix3fv
- gl->UniformMatrix3fv(loc, 1, GL_FALSE, &m.m[0][0]);
- loc = gl->GetUniformLocation(program, "colormatrix_c");
- gl->Uniform3f(loc, m.c[0], m.c[1], m.c[2]);
+ return;
}
- gl->Uniform1f(gl->GetUniformLocation(program, "input_gamma"),
- p->input_gamma);
+ if (!(gl->mpgl_caps & MPGL_CAP_3D_TEX))
+ return;
+
+ if (!p->lut_3d_texture)
+ gl->GenTextures(1, &p->lut_3d_texture);
- gl->Uniform1f(gl->GetUniformLocation(program, "conv_gamma"),
- p->conv_gamma);
+ gl->ActiveTexture(GL_TEXTURE0 + TEXUNIT_3DLUT);
+ gl->BindTexture(GL_TEXTURE_3D, p->lut_3d_texture);
+ gl->TexImage3D(GL_TEXTURE_3D, 0, GL_RGB16, lut3d->size[0], lut3d->size[1],
+ lut3d->size[2], 0, GL_RGB, GL_UNSIGNED_SHORT, lut3d->data);
+ gl->TexParameteri(GL_TEXTURE_3D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+ gl->TexParameteri(GL_TEXTURE_3D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+ gl->TexParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+ gl->TexParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+ gl->TexParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
+ gl->ActiveTexture(GL_TEXTURE0);
- // Coefficients for the sigmoidal transform are taken from the
- // formula here: http://www.imagemagick.org/Usage/color_mods/#sigmoidal
- float sig_center = p->opts.sigmoid_center;
- float sig_slope = p->opts.sigmoid_slope;
+ p->use_lut_3d = true;
+ check_gl_features(p);
- // This function needs to go through (0,0) and (1,1) so we compute the
- // values at 1 and 0, and then scale/shift them, respectively.
- float sig_offset = 1.0/(1+expf(sig_slope * sig_center));
- float sig_scale = 1.0/(1+expf(sig_slope * (sig_center-1))) - sig_offset;
+ debug_check_gl(p, "after 3d lut creation");
- gl->Uniform1f(gl->GetUniformLocation(program, "sig_center"), sig_center);
- gl->Uniform1f(gl->GetUniformLocation(program, "sig_slope"), sig_slope);
- gl->Uniform1f(gl->GetUniformLocation(program, "sig_scale"), sig_scale);
- gl->Uniform1f(gl->GetUniformLocation(program, "sig_offset"), sig_offset);
+ reinit_rendering(p);
+}
- gl->Uniform1f(gl->GetUniformLocation(program, "inv_gamma"),
- 1.0f / p->user_gamma);
+static void pass_load_fbotex(struct gl_video *p, struct fbotex *src_fbo, int id,
+ int w, int h)
+{
+ p->pass_tex[id] = (struct src_tex){
+ .gl_tex = src_fbo->texture,
+ .gl_target = GL_TEXTURE_2D,
+ .tex_w = src_fbo->tex_w,
+ .tex_h = src_fbo->tex_h,
+ .src = {0, 0, w, h},
+ };
+}
- for (int n = 0; n < p->plane_count; n++) {
- char textures_n[32];
- char textures_size_n[32];
- snprintf(textures_n, sizeof(textures_n), "texture%d", n);
- snprintf(textures_size_n, sizeof(textures_size_n), "textures_size[%d]", n);
-
- gl->Uniform1i(gl->GetUniformLocation(program, textures_n), n);
- if (p->gl_target == GL_TEXTURE_2D) {
- gl->Uniform2f(gl->GetUniformLocation(program, textures_size_n),
- p->image.planes[n].tex_w, p->image.planes[n].tex_h);
- } else {
- // Makes the pixel size calculation code think they are 1x1
- gl->Uniform2f(gl->GetUniformLocation(program, textures_size_n), 1, 1);
- }
- }
+static void pass_set_image_textures(struct gl_video *p, struct video_image *vimg,
+ float chroma[3][2])
+{
+ GLuint imgtex[4] = {0};
- loc = gl->GetUniformLocation(program, "chroma_div");
- if (loc >= 0) {
- int xs = p->image_desc.chroma_xs;
- int ys = p->image_desc.chroma_ys;
- gl->Uniform2f(loc, 1.0 / (1 << xs), 1.0 / (1 << ys));
- }
+ assert(vimg->mpi);
- gl->Uniform2f(gl->GetUniformLocation(program, "chroma_fix"),
- p->chroma_fix[0], p->chroma_fix[1]);
+ float ls_w = 1.0 / (1 << p->image_desc.chroma_xs);
+ float ls_h = 1.0 / (1 << p->image_desc.chroma_ys);
- loc = gl->GetUniformLocation(program, "chroma_center_offset");
- if (loc >= 0) {
- int chr = p->opts.chroma_location;
- if (!chr)
- chr = p->image_params.chroma_location;
+ int chroma_loc = p->opts.chroma_location;
+ if (!chroma_loc)
+ chroma_loc = p->image_params.chroma_location;
+ if (chroma_loc != MP_CHROMA_CENTER) {
int cx, cy;
- mp_get_chroma_location(chr, &cx, &cy);
+ mp_get_chroma_location(chroma_loc, &cx, &cy);
// By default texture coordinates are such that chroma is centered with
// any chroma subsampling. If a specific direction is given, make it
// so that the luma and chroma sample line up exactly.
// For 4:4:4, setting chroma location should have no effect at all.
// luma sample size (in chroma coord. space)
- float ls_w = 1.0 / (1 << p->image_desc.chroma_xs);
- float ls_h = 1.0 / (1 << p->image_desc.chroma_ys);
- // move chroma center to luma center (in chroma coord. space)
- float o_x = ls_w < 1 ? ls_w * -cx / 2 : 0;
- float o_y = ls_h < 1 ? ls_h * -cy / 2 : 0;
- int c = p->gl_target == GL_TEXTURE_2D ? 1 : 0;
- gl->Uniform2f(loc, o_x / FFMAX(p->image.planes[1].w * c, 1),
- o_y / FFMAX(p->image.planes[1].h * c, 1));
+ chroma[2][0] = ls_w < 1 ? ls_w * -cx / 2 : 0;
+ chroma[2][1] = ls_h < 1 ? ls_h * -cy / 2 : 0;
+ } else {
+ chroma[2][0] = chroma[2][1] = 0.0;
}
- gl->Uniform2f(gl->GetUniformLocation(program, "dither_size"),
- p->dither_size, p->dither_size);
-
- gl->Uniform1i(gl->GetUniformLocation(program, "lut_3d"), TEXUNIT_3DLUT);
+ // Make sure luma/chroma sizes are aligned.
+ // Example: For 4:2:0 with size 3x3, the subsampled chroma plane is 2x2
+ // so luma (3,3) has to align with chroma (2,2).
+ chroma[0][0] = ls_w * (float)vimg->planes[0].tex_w
+ / vimg->planes[1].tex_w;
+ chroma[1][1] = ls_h * (float)vimg->planes[0].tex_h
+ / vimg->planes[1].tex_h;
+ chroma[0][1] = chroma[1][0] = 0.0; // No rotation etc.
- loc = gl->GetUniformLocation(program, "cms_matrix");
- if (loc >= 0) {
- float cms_matrix[3][3] = {{0}};
- // Hard-coded to relative colorimetric - for a BT.2020 3DLUT we expect
- // the input to be actual BT.2020 and not something red- or blueshifted,
- // and for sRGB monitors we most likely want relative scaling either way.
- mp_get_cms_matrix(p->csp_src, p->csp_dest, MP_INTENT_RELATIVE_COLORIMETRIC, cms_matrix);
- gl->UniformMatrix3fv(loc, 1, GL_TRUE, &cms_matrix[0][0]);
- }
-
- for (int n = 0; n < 2; n++) {
- const char *lut = p->scalers[n].lut_name;
- if (lut)
- gl->Uniform1i(gl->GetUniformLocation(program, lut),
- TEXUNIT_SCALERS + n);
+ if (p->hwdec_active) {
+ p->hwdec->driver->map_image(p->hwdec, vimg->mpi, imgtex);
+ } else {
+ for (int n = 0; n < p->plane_count; n++)
+ imgtex[n] = vimg->planes[n].gl_texture;
}
- gl->Uniform1i(gl->GetUniformLocation(program, "dither"), TEXUNIT_DITHER);
- gl->Uniform1f(gl->GetUniformLocation(program, "dither_quantization"),
- p->dither_quantization);
- gl->Uniform1f(gl->GetUniformLocation(program, "dither_center"),
- p->dither_center);
-
- float sparam1_l = p->opts.scaler_params[0][0];
- float sparam1_c = p->opts.scaler_params[1][0];
- gl->Uniform1f(gl->GetUniformLocation(program, "filter_param1_l"),
- isnan(sparam1_l) ? 0.5f : sparam1_l);
- gl->Uniform1f(gl->GetUniformLocation(program, "filter_param1_c"),
- isnan(sparam1_c) ? 0.5f : sparam1_c);
-
- gl->Uniform3f(gl->GetUniformLocation(program, "translation"), 0, 0, 0);
-
- gl->UseProgram(0);
-
- debug_check_gl(p, "update_uniforms()");
-}
-
-static void update_all_uniforms(struct gl_video *p)
-{
- for (int n = 0; n < SUBBITMAP_COUNT; n++)
- update_uniforms(p, p->osd->programs[n]);
- update_uniforms(p, p->indirect_program);
- update_uniforms(p, p->scale_sep_program);
- update_uniforms(p, p->final_program);
- update_uniforms(p, p->inter_program);
-}
-
-#define SECTION_HEADER "#!section "
-
-static char *get_section(void *talloc_ctx, struct bstr source,
- const char *section)
-{
- char *res = talloc_strdup(talloc_ctx, "");
- bool copy = false;
- while (source.len) {
- struct bstr line = bstr_strip_linebreaks(bstr_getline(source, &source));
- if (bstr_eatstart(&line, bstr0(SECTION_HEADER))) {
- copy = bstrcmp0(line, section) == 0;
- } else if (copy) {
- res = talloc_asprintf_append_buffer(res, "%.*s\n", BSTR_P(line));
- }
+ for (int n = 0; n < 4; n++) {
+ struct texplane *t = &vimg->planes[n];
+ p->pass_tex[n] = (struct src_tex){
+ .gl_tex = imgtex[n],
+ .gl_target = t->gl_target,
+ .tex_w = t->tex_w,
+ .tex_h = t->tex_h,
+ .src = {0, 0, t->w, t->h},
+ };
}
- return res;
}
-static char *t_concat(void *talloc_ctx, const char *s1, const char *s2)
+static int align_pow2(int s)
{
- return talloc_asprintf(talloc_ctx, "%s%s", s1, s2);
+ int r = 1;
+ while (r < s)
+ r *= 2;
+ return r;
}
-static GLuint create_shader(struct gl_video *p, GLenum type, const char *header,
- const char *source)
+static void init_video(struct gl_video *p)
{
GL *gl = p->gl;
- void *tmp = talloc_new(NULL);
- const char *full_source = t_concat(tmp, header, source);
+ check_gl_features(p);
- GLuint shader = gl->CreateShader(type);
- gl->ShaderSource(shader, 1, &full_source, NULL);
- gl->CompileShader(shader);
- GLint status;
- gl->GetShaderiv(shader, GL_COMPILE_STATUS, &status);
- GLint log_length;
- gl->GetShaderiv(shader, GL_INFO_LOG_LENGTH, &log_length);
+ init_format(p->image_params.imgfmt, p);
+ p->gl_target = p->opts.use_rectangle ? GL_TEXTURE_RECTANGLE : GL_TEXTURE_2D;
- int pri = status ? (log_length > 1 ? MSGL_V : MSGL_DEBUG) : MSGL_ERR;
- const char *typestr = type == GL_VERTEX_SHADER ? "vertex" : "fragment";
- if (mp_msg_test(p->log, pri)) {
- MP_MSG(p, pri, "%s shader source:\n", typestr);
- mp_log_source(p->log, pri, full_source);
- }
- if (log_length > 1) {
- GLchar *logstr = talloc_zero_size(tmp, log_length + 1);
- gl->GetShaderInfoLog(shader, log_length, NULL, logstr);
- MP_MSG(p, pri, "%s shader compile log (status=%d):\n%s\n",
- typestr, status, logstr);
+ if (p->hwdec_active) {
+ if (p->hwdec->driver->reinit(p->hwdec, &p->image_params) < 0)
+ MP_ERR(p, "Initializing texture for hardware decoding failed.\n");
+ init_format(p->image_params.imgfmt, p);
+ p->gl_target = p->hwdec->gl_texture_target;
}
- talloc_free(tmp);
-
- return shader;
-}
+ mp_image_params_guess_csp(&p->image_params);
-static void prog_create_shader(struct gl_video *p, GLuint program, GLenum type,
- const char *header, const char *source)
-{
- GL *gl = p->gl;
- GLuint shader = create_shader(p, type, header, source);
- gl->AttachShader(program, shader);
- gl->DeleteShader(shader);
-}
+ p->image_w = p->image_params.w;
+ p->image_h = p->image_params.h;
-static void link_shader(struct gl_video *p, GLuint program)
-{
- GL *gl = p->gl;
- gl->LinkProgram(program);
- GLint status;
- gl->GetProgramiv(program, GL_LINK_STATUS, &status);
- GLint log_length;
- gl->GetProgramiv(program, GL_INFO_LOG_LENGTH, &log_length);
+ int eq_caps = MP_CSP_EQ_CAPS_GAMMA;
+ if (p->is_yuv && p->image_params.colorspace != MP_CSP_BT_2020_C)
+ eq_caps |= MP_CSP_EQ_CAPS_COLORMATRIX;
+ if (p->image_desc.flags & MP_IMGFLAG_XYZ)
+ eq_caps |= MP_CSP_EQ_CAPS_BRIGHTNESS;
+ p->video_eq.capabilities = eq_caps;
- int pri = status ? (log_length > 1 ? MSGL_V : MSGL_DEBUG) : MSGL_ERR;
- if (mp_msg_test(p->log, pri)) {
- GLchar *logstr = talloc_zero_size(NULL, log_length + 1);
- gl->GetProgramInfoLog(program, log_length, NULL, logstr);
- MP_MSG(p, pri, "shader link log (status=%d): %s\n", status, logstr);
- talloc_free(logstr);
- }
-}
+ debug_check_gl(p, "before video texture creation");
-#define PRELUDE_END "// -- prelude end\n"
+ struct video_image *vimg = &p->image;
-static GLuint create_program(struct gl_video *p, const char *name,
- const char *header, const char *vertex,
- const char *frag, struct gl_vao *vao)
-{
- GL *gl = p->gl;
- MP_VERBOSE(p, "compiling shader program '%s', header:\n", name);
- const char *real_header = strstr(header, PRELUDE_END);
- real_header = real_header ? real_header + strlen(PRELUDE_END) : header;
- mp_log_source(p->log, MSGL_V, real_header);
- GLuint prog = gl->CreateProgram();
- prog_create_shader(p, prog, GL_VERTEX_SHADER, header, vertex);
- prog_create_shader(p, prog, GL_FRAGMENT_SHADER, header, frag);
- gl_vao_bind_attribs(vao, prog);
- link_shader(p, prog);
- return prog;
-}
+ for (int n = 0; n < p->plane_count; n++) {
+ struct texplane *plane = &vimg->planes[n];
-static void shader_def(char **shader, const char *name,
- const char *value)
-{
- *shader = talloc_asprintf_append(*shader, "#define %s %s\n", name, value);
-}
+ plane->gl_target = p->gl_target;
-static void shader_def_opt(char **shader, const char *name, bool b)
-{
- if (b)
- shader_def(shader, name, "1");
-}
+ plane->w = mp_chroma_div_up(p->image_w, p->image_desc.xs[n]);
+ plane->h = mp_chroma_div_up(p->image_h, p->image_desc.ys[n]);
-#define APPENDF(s_ptr, ...) \
- *(s_ptr) = talloc_asprintf_append(*(s_ptr), __VA_ARGS__)
+ plane->tex_w = plane->w;
+ plane->tex_h = plane->h;
-static void shader_setup_scaler(char **shader, struct scaler *scaler, int pass)
-{
- int unit = scaler->index;
- const char *target = unit == 0 ? "SAMPLE" : "SAMPLE_C";
- if (!scaler->kernel) {
- APPENDF(shader, "#define %s(p0, p1, p2) "
- "sample_%s(p0, p1, p2, filter_param1_%c)\n",
- target, scaler->name, "lc"[unit]);
- } else {
- int size = scaler->kernel->size;
- const char *lut_tex = scaler->lut_name;
- char name[40];
- snprintf(name, sizeof(name), "sample_scaler%d", unit);
- APPENDF(shader, "#define DEF_SCALER%d \\\n ", unit);
- char lut_fn[40];
- if (scaler->kernel->polar) {
- double radius = scaler->kernel->radius;
- int bound = (int)ceil(radius);
- // SAMPLE_CONVOLUTION_POLAR_R(NAME, R, LUT, WEIGHTS_FN, ANTIRING)
- APPENDF(shader, "SAMPLE_CONVOLUTION_POLAR_R(%s, %f, %s, WEIGHTS%d, %f)\n",
- name, radius, lut_tex, unit, scaler->antiring);
-
- // Pre-compute unrolled weights matrix
- APPENDF(shader, "#define WEIGHTS%d(LUT) \\\n ", unit);
- for (int y = 1-bound; y <= bound; y++) {
- for (int x = 1-bound; x <= bound; x++) {
- // Since we can't know the subpixel position in advance,
- // assume a worst case scenario.
- int yy = y > 0 ? y-1 : y;
- int xx = x > 0 ? x-1 : x;
- double d = sqrt(xx*xx + yy*yy);
-
- if (d < radius - 1) {
- // Samples definitely inside the main ring
- APPENDF(shader, "SAMPLE_POLAR_%s(LUT, %f, %d, %d) \\\n ",
- // The center 4 coefficients are the primary
- // contributors, used to clamp the result for
- // anti-ringing
- (x >= 0 && y >= 0 && x <= 1 && y <= 1)
- ? "PRIMARY" : "HELPER",
- radius, x, y);
- } else if (d < radius) {
- // Samples on the edge, these are potential values
- APPENDF(shader, "SAMPLE_POLAR_POTENTIAL(LUT, %f, %d, %d) \\\n ",
- radius, x, y);
- }
- }
- }
- APPENDF(shader, "\n");
- } else {
- if (size == 2 || size == 6) {
- snprintf(lut_fn, sizeof(lut_fn), "weights%d", size);
- } else {
- snprintf(lut_fn, sizeof(lut_fn), "weights_scaler%d", unit);
- APPENDF(shader, "WEIGHTS_N(%s, %d) \\\n ", lut_fn, size);
- }
- if (pass != -1) {
- // The direction/pass assignment is rather arbitrary, but fixed in
- // other parts of the code (like FBO setup).
- const char *direction = pass == 0 ? "0, 1" : "1, 0";
- // SAMPLE_CONVOLUTION_SEP_N(NAME, DIR, N, LUT, WEIGHTS_FUNC, ANTIRING)
- APPENDF(shader, "SAMPLE_CONVOLUTION_SEP_N(%s, vec2(%s), %d, %s, %s, %f)\n",
- name, direction, size, lut_tex, lut_fn, scaler->antiring);
- } else {
- // SAMPLE_CONVOLUTION_N(NAME, N, LUT, WEIGHTS_FUNC)
- APPENDF(shader, "SAMPLE_CONVOLUTION_N(%s, %d, %s, %s)\n",
- name, size, lut_tex, lut_fn);
+ if (!p->hwdec_active) {
+ if (!p->opts.npot) {
+ plane->tex_w = align_pow2(plane->tex_w);
+ plane->tex_h = align_pow2(plane->tex_h);
}
- }
- APPENDF(shader, "#define %s %s\n", target, name);
- }
-}
-static void compile_shaders(struct gl_video *p)
-{
- GL *gl = p->gl;
+ gl->ActiveTexture(GL_TEXTURE0 + n);
+ gl->GenTextures(1, &plane->gl_texture);
+ gl->BindTexture(p->gl_target, plane->gl_texture);
- debug_check_gl(p, "before shaders");
-
- delete_shaders(p);
-
- void *tmp = talloc_new(NULL);
-
- struct bstr src = bstr0(vo_opengl_shaders);
- char *vertex_shader = get_section(tmp, src, "vertex_all");
- char *shader_prelude = get_section(tmp, src, "prelude");
- char *s_video = get_section(tmp, src, "frag_video");
-
- bool rg = gl->mpgl_caps & MPGL_CAP_TEX_RG;
- bool tex1d = gl->mpgl_caps & MPGL_CAP_1D_TEX;
- bool tex3d = gl->mpgl_caps & MPGL_CAP_3D_TEX;
- bool arrays = gl->mpgl_caps & MPGL_CAP_1ST_CLASS_ARRAYS;
- char *header =
- talloc_asprintf(tmp, "#version %d%s\n"
- "#define HAVE_RG %d\n"
- "#define HAVE_1DTEX %d\n"
- "#define HAVE_3DTEX %d\n"
- "#define HAVE_ARRAYS %d\n"
- "%s%s",
- gl->glsl_version, gl->es >= 300 ? " es" : "",
- rg, tex1d, tex3d, arrays, shader_prelude, PRELUDE_END);
-
- bool use_cms = p->opts.srgb || p->use_lut_3d;
- // 3DLUT overrides sRGB
- bool use_srgb = p->opts.srgb && !p->use_lut_3d;
-
- float input_gamma = 1.0;
- float conv_gamma = 1.0;
-
- bool is_xyz = p->image_desc.flags & MP_IMGFLAG_XYZ;
- if (is_xyz) {
- input_gamma *= 2.6;
- // Note that this results in linear light, so we make sure to enable
- // use_linear_light for XYZ inputs as well.
- }
-
- p->input_gamma = input_gamma;
- p->conv_gamma = conv_gamma;
-
- bool use_input_gamma = p->input_gamma != 1.0;
- bool use_conv_gamma = p->conv_gamma != 1.0;
- bool use_const_luma = p->image_params.colorspace == MP_CSP_BT_2020_C;
- enum mp_csp_trc gamma_fun = p->image_params.gamma;
-
- // If either color correction option (3dlut or srgb) is enabled, or if
- // sigmoidal upscaling is requested, or if the source is linear XYZ, we
- // always scale in linear light
- bool use_linear_light = p->opts.linear_scaling || p->opts.sigmoid_upscaling
- || use_cms || is_xyz;
-
- // The inverse of the above transformation is normally handled by
- // the CMS cases, but if CMS is disabled we need to go back manually
- bool use_inv_bt1886 = false;
- if (use_linear_light && !use_cms) {
- if (gamma_fun == MP_CSP_TRC_SRGB) {
- use_srgb = true;
- } else {
- use_inv_bt1886 = true;
- }
- }
+ gl->TexImage2D(p->gl_target, 0, plane->gl_internal_format,
+ plane->tex_w, plane->tex_h, 0,
+ plane->gl_format, plane->gl_type, NULL);
- // Optionally transform to sigmoidal color space if requested.
- p->sigmoid_enabled = p->opts.sigmoid_upscaling;
- bool use_sigmoid = p->sigmoid_enabled && p->upscaling;
+ gl->TexParameteri(p->gl_target, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+ gl->TexParameteri(p->gl_target, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+ gl->TexParameteri(p->gl_target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+ gl->TexParameteri(p->gl_target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+ }
- // Figure out the right color spaces we need to convert, if any
- enum mp_csp_prim prim_src = p->image_params.primaries, prim_dest;
- if (use_cms) {
- // sRGB mode wants sRGB aka BT.709 primaries, but the 3DLUT is
- // always built against BT.2020.
- prim_dest = p->opts.srgb ? MP_CSP_PRIM_BT_709 : MP_CSP_PRIM_BT_2020;
- } else {
- // If no CMS is being done we just want to output stuff as-is,
- // in the native colorspace of the source.
- prim_dest = prim_src;
+ MP_VERBOSE(p, "Texture for plane %d: %dx%d\n",
+ n, plane->tex_w, plane->tex_h);
}
+ gl->ActiveTexture(GL_TEXTURE0);
- // XYZ input has no defined input color space, so we can directly convert
- // it to whatever output space we actually need.
- if (p->image_desc.flags & MP_IMGFLAG_XYZ)
- prim_src = prim_dest;
+ debug_check_gl(p, "after video texture creation");
- // Set the colorspace primaries and figure out whether we need to perform
- // an extra conversion.
- p->csp_src = mp_get_csp_primaries(prim_src);
- p->csp_dest = mp_get_csp_primaries(prim_dest);
+ reinit_rendering(p);
+}
- bool use_cms_matrix = prim_src != prim_dest;
+static void uninit_video(struct gl_video *p)
+{
+ GL *gl = p->gl;
- if (p->gl_target == GL_TEXTURE_RECTANGLE) {
- shader_def(&header, "VIDEO_SAMPLER", "sampler2DRect");
- shader_def_opt(&header, "USE_RECTANGLE", true);
- } else {
- shader_def(&header, "VIDEO_SAMPLER", "sampler2D");
- }
-
- // Need to pass alpha through the whole chain. (Not needed for OSD shaders.)
- if (p->opts.alpha_mode == 1)
- shader_def_opt(&header, "USE_ALPHA", p->has_alpha);
-
- char *header_osd = talloc_strdup(tmp, header);
- shader_def_opt(&header_osd, "USE_OSD_LINEAR_CONV_BT1886",
- use_cms && gamma_fun == MP_CSP_TRC_BT_1886);
- shader_def_opt(&header_osd, "USE_OSD_LINEAR_CONV_SRGB",
- use_cms && gamma_fun == MP_CSP_TRC_SRGB);
- shader_def_opt(&header_osd, "USE_OSD_CMS_MATRIX", use_cms_matrix);
- shader_def_opt(&header_osd, "USE_OSD_3DLUT", p->use_lut_3d);
- shader_def_opt(&header_osd, "USE_OSD_SRGB", use_cms && use_srgb);
-
- for (int n = 0; n < SUBBITMAP_COUNT; n++) {
- const char *name = osd_shaders[n];
- if (name) {
- char *s_osd = get_section(tmp, src, name);
- p->osd_programs[n] = create_program(p, name, header_osd,
- vertex_shader, s_osd,
- &p->osd->vao);
- }
- }
+ uninit_rendering(p);
- struct gl_vao *v = &p->vao; // VAO to use to draw primitives
+ struct video_image *vimg = &p->image;
- char *header_conv