1 files changed, 194 insertions, 0 deletions
diff --git a/video/out/gpu/video.h b/video/out/gpu/video.h
new file mode 100644
index 0000000000..884f5914fd
--- /dev/null
+++ b/video/out/gpu/video.h
@@ -0,0 +1,194 @@
+/*
+ * This file is part of mpv.
+ *
+ * mpv is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * mpv 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 Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with mpv.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef MP_GL_VIDEO_H
+#define MP_GL_VIDEO_H
+
+#include <stdbool.h>
+
+#include "options/m_option.h"
+#include "sub/osd.h"
+#include "utils.h"
+#include "lcms.h"
+#include "shader_cache.h"
+#include "video/csputils.h"
+#include "video/out/filter_kernels.h"
+
+// Assume we have this many texture units for sourcing additional passes.
+// The actual texture unit assignment is dynamic.
+#define TEXUNIT_VIDEO_NUM 6
+
+struct scaler_fun {
+    char *name;
+    float params[2];
+    float blur;
+    float taper;
+};
+
+struct scaler_config {
+    struct scaler_fun kernel;
+    struct scaler_fun window;
+    float radius;
+    float antiring;
+    float cutoff;
+    float clamp;
+};
+
+struct scaler {
+    int index;
+    struct scaler_config conf;
+    double scale_factor;
+    bool initialized;
+    struct filter_kernel *kernel;
+    struct ra_tex *lut;
+    struct fbotex sep_fbo;
+    bool insufficient;
+    int lut_size;
+
+    // kernel points here
+    struct filter_kernel kernel_storage;
+};
+
+enum scaler_unit {
+    SCALER_SCALE,  // luma/video
+    SCALER_DSCALE, // luma-video downscaling
+    SCALER_CSCALE, // chroma upscaling
+    SCALER_TSCALE, // temporal scaling (interpolation)
+    SCALER_COUNT
+};
+
+enum dither_algo {
+    DITHER_NONE = 0,
+    DITHER_FRUIT,
+    DITHER_ORDERED,
+};
+
+enum alpha_mode {
+    ALPHA_NO = 0,
+    ALPHA_YES,
+    ALPHA_BLEND,
+    ALPHA_BLEND_TILES,
+};
+
+enum blend_subs_mode {
+    BLEND_SUBS_NO = 0,
+    BLEND_SUBS_YES,
+    BLEND_SUBS_VIDEO,
+};
+
+enum tone_mapping {
+    TONE_MAPPING_CLIP,
+    TONE_MAPPING_MOBIUS,
+    TONE_MAPPING_REINHARD,
+    TONE_MAPPING_HABLE,
+    TONE_MAPPING_GAMMA,
+    TONE_MAPPING_LINEAR,
+};
+
+// How many frames to average over for HDR peak detection
+#define PEAK_DETECT_FRAMES 100
+
+struct gl_video_opts {
+    int dumb_mode;
+    struct scaler_config scaler[4];
+    int scaler_lut_size;
+    float gamma;
+    int gamma_auto;
+    int target_prim;
+    int target_trc;
+    int target_brightness;
+    int tone_mapping;
+    int compute_hdr_peak;
+    float tone_mapping_param;
+    float tone_mapping_desat;
+    int gamut_warning;
+    int linear_scaling;
+    int correct_downscaling;
+    int sigmoid_upscaling;
+    float sigmoid_center;
+    float sigmoid_slope;
+    int scaler_resizes_only;
+    int pbo;
+    int dither_depth;
+    int dither_algo;
+    int dither_size;
+    int temporal_dither;
+    int temporal_dither_period;
+    char *fbo_format;
+    int alpha_mode;
+    int use_rectangle;
+    struct m_color background;
+    int interpolation;
+    float interpolation_threshold;
+    int blend_subs;
+    char **user_shaders;
+    int deband;
+    struct deband_opts *deband_opts;
+    float unsharp;
+    int tex_pad_x, tex_pad_y;
+    struct mp_icc_opts *icc_opts;
+    int early_flush;
+    char *shader_cache_dir;
+};
+
+extern const struct m_sub_options gl_video_conf;
+
+struct gl_video;
+struct vo_frame;
+
+struct gl_video *gl_video_init(struct ra *ra, struct mp_log *log,
+                               struct mpv_global *g);
+void gl_video_uninit(struct gl_video *p);
+void gl_video_set_osd_source(struct gl_video *p, struct osd_state *osd);
+void gl_video_update_options(struct gl_video *p);
+bool gl_video_check_format(struct gl_video *p, int mp_format);
+void gl_video_config(struct gl_video *p, struct mp_image_params *params);
+void gl_video_set_output_depth(struct gl_video *p, int r, int g, int b);
+void gl_video_render_frame(struct gl_video *p, struct vo_frame *frame,
+                           struct fbodst target);
+void gl_video_resize(struct gl_video *p,
+                     struct mp_rect *src, struct mp_rect *dst,
+                     struct mp_osd_res *osd);
+void gl_video_set_fb_depth(struct gl_video *p, int fb_depth);
+void gl_video_perfdata(struct gl_video *p, struct voctrl_performance_data *out);
+void gl_video_set_clear_color(struct gl_video *p, struct m_color color);
+void gl_video_set_osd_pts(struct gl_video *p, double pts);
+bool gl_video_check_osd_change(struct gl_video *p, struct mp_osd_res *osd,
+                               double pts);
+
+float gl_video_scale_ambient_lux(float lmin, float lmax,
+                                 float rmin, float rmax, float lux);
+void gl_video_set_ambient_lux(struct gl_video *p, int lux);
+void gl_video_set_icc_profile(struct gl_video *p, bstr icc_data);
+bool gl_video_icc_auto_enabled(struct gl_video *p);
+bool gl_video_gamma_auto_enabled(struct gl_video *p);
+struct mp_colorspace gl_video_get_output_colorspace(struct gl_video *p);
+
+void gl_video_reset(struct gl_video *p);
+bool gl_video_showing_interpolated_frame(struct gl_video *p);
+
+struct ra_hwdec;
+void gl_video_set_hwdec(struct gl_video *p, struct ra_hwdec *hwdec);
+
+struct vo;
+void gl_video_configure_queue(struct gl_video *p, struct vo *vo);
+
+struct mp_image *gl_video_get_image(struct gl_video *p, int imgfmt, int w, int h,
+                                    int stride_align);
+
+
+#endif