diff options
Diffstat (limited to 'video/out/opengl/ra.c')
| -rw-r--r-- | video/out/opengl/ra.c | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/video/out/opengl/ra.c b/video/out/opengl/ra.c new file mode 100644 index 0000000000..12d944f29c --- /dev/null +++ b/video/out/opengl/ra.c @@ -0,0 +1,199 @@ +#include "common/common.h" +#include "common/msg.h" +#include "video/img_format.h" + +#include "ra.h" + +// Return whether this is a tightly packed format with no external padding and +// with the same bit size/depth in all components. +static bool ra_format_is_regular(const struct ra_format *fmt) +{ + if (!fmt->pixel_size || !fmt->num_components) + return false; + for (int n = 1; n < fmt->num_components; n++) { + if (fmt->component_size[n] != fmt->component_size[0] || + fmt->component_depth[n] != fmt->component_depth[0]) + return false; + } + if (fmt->component_size[0] * fmt->num_components != fmt->pixel_size * 8) + return false; + return true; +} + +// Return a regular format using RA_CTYPE_UNORM. +const struct ra_format *ra_find_unorm_format(struct ra *ra, + int bytes_per_component, + int n_components) +{ + for (int n = 0; n < ra->num_formats; n++) { + const struct ra_format *fmt = ra->formats[n]; + if (fmt->ctype == RA_CTYPE_UNORM && fmt->num_components == n_components && + fmt->pixel_size == bytes_per_component * n_components && + fmt->component_depth[0] == bytes_per_component * 8 && + ra_format_is_regular(fmt)) + return fmt; + } + return NULL; +} + +// Return a regular format using RA_CTYPE_UINT. +const struct ra_format *ra_find_uint_format(struct ra *ra, + int bytes_per_component, + int n_components) +{ + for (int n = 0; n < ra->num_formats; n++) { + const struct ra_format *fmt = ra->formats[n]; + if (fmt->ctype == RA_CTYPE_UINT && fmt->num_components == n_components && + fmt->pixel_size == bytes_per_component * n_components && + fmt->component_depth[0] == bytes_per_component * 8 && + ra_format_is_regular(fmt)) + return fmt; + } + return NULL; +} + +// Return a regular format that uses float16 internally, but does 32 bit +// transfer. (This is just so we don't need 32->16 bit conversion on CPU, +// which would be ok but messy.) +const struct ra_format *ra_find_float16_format(struct ra *ra, int n_components) +{ + for (int n = 0; n < ra->num_formats; n++) { + const struct ra_format *fmt = ra->formats[n]; + if (fmt->ctype == RA_CTYPE_FLOAT && fmt->num_components == n_components && + fmt->pixel_size == sizeof(float) * n_components && + fmt->component_depth[0] == 16 && + ra_format_is_regular(fmt)) + return fmt; + } + return NULL; +} + + +// Like ra_find_unorm_format(), but takes bits (not bytes), and if no fixed +// point format is available, return an unsigned integer format. +static const struct ra_format *find_plane_format(struct ra *ra, int bytes, + int n_channels) +{ + const struct ra_format *f = ra_find_unorm_format(ra, bytes, n_channels); + if (f) + return f; + return ra_find_uint_format(ra, bytes, n_channels); +} + +// Put a mapping of imgfmt to texture formats into *out. Basically it selects +// the correct texture formats needed to represent an imgfmt in a shader, with +// textures using the same memory organization as on the CPU. +// Each plane is represented by a texture, and each texture has a RGBA +// component order. out->components describes the meaning of them. +// May return integer formats for >8 bit formats, if the driver has no +// normalized 16 bit formats. +// Returns false (and *out is not touched) if no format found. +bool ra_get_imgfmt_desc(struct ra *ra, int imgfmt, struct ra_imgfmt_desc *out) +{ + struct ra_imgfmt_desc res = {0}; + + struct mp_regular_imgfmt regfmt; + if (mp_get_regular_imgfmt(®fmt, imgfmt)) { + res.num_planes = regfmt.num_planes; + res.component_bits = regfmt.component_size * 8; + res.component_pad = regfmt.component_pad; + for (int n = 0; n < regfmt.num_planes; n++) { + struct mp_regular_imgfmt_plane *plane = ®fmt.planes[n]; + res.planes[n] = find_plane_format(ra, regfmt.component_size, + plane->num_components); + if (!res.planes[n]) + return false; + for (int i = 0; i < plane->num_components; i++) + res.components[n][i] = plane->components[i]; + } + res.chroma_w = regfmt.chroma_w; + res.chroma_h = regfmt.chroma_h; + goto supported; + } + + for (int n = 0; n < ra->num_formats; n++) { + if (ra->formats[n]->special_imgfmt == imgfmt) { + res = *ra->formats[n]->special_imgfmt_desc; + goto supported; + } + } + + // Unsupported format + return false; + +supported: + + *out = res; + return true; +} + +void ra_dump_tex_formats(struct ra *ra, int msgl) +{ + if (!mp_msg_test(ra->log, msgl)) + return; + MP_MSG(ra, msgl, "Texture formats:\n"); + for (int n = 0; n < ra->num_formats; n++) { + const struct ra_format *fmt = ra->formats[n]; + const char *ctype = "unknown"; + switch (fmt->ctype) { + case RA_CTYPE_UNORM: ctype = "unorm"; break; + case RA_CTYPE_UINT: ctype = "uint "; break; + case RA_CTYPE_FLOAT: ctype = "float"; break; + } + char cl[40] = ""; + for (int i = 0; i < fmt->num_components; i++) { + mp_snprintf_cat(cl, sizeof(cl), "%s%d", i ? " " : "", + fmt->component_size[i]); + if (fmt->component_size[i] != fmt->component_depth[i]) + mp_snprintf_cat(cl, sizeof(cl), "/%d", fmt->component_depth[i]); + } + MP_MSG(ra, msgl, " %-10s %d*%s %3dB %s %s %s {%s}\n", fmt->name, + fmt->num_components, ctype, fmt->pixel_size, + fmt->luminance_alpha ? "LA" : " ", + fmt->linear_filter ? "LF" : " ", + fmt->renderable ? "CR" : " ", cl); + } +} + +void ra_dump_imgfmt_desc(struct ra *ra, const struct ra_imgfmt_desc *desc, + int msgl) +{ + char pl[80] = ""; + char pf[80] = ""; + for (int n = 0; n < desc->num_planes; n++) { + if (n > 0) { + mp_snprintf_cat(pl, sizeof(pl), "/"); + mp_snprintf_cat(pf, sizeof(pf), "/"); + } + char t[5] = {0}; + for (int i = 0; i < 4; i++) + t[i] = "_rgba"[desc->components[n][i]]; + for (int i = 3; i > 0 && t[i] == '_'; i--) + t[i] = '\0'; + mp_snprintf_cat(pl, sizeof(pl), "%s", t); + mp_snprintf_cat(pf, sizeof(pf), "%s", desc->planes[n]->name); + } + MP_MSG(ra, msgl, "%d planes %dx%d %d/%d [%s] (%s)\n", + desc->num_planes, desc->chroma_w, desc->chroma_h, + desc->component_bits, desc->component_pad, pf, pl); +} + +void ra_dump_img_formats(struct ra *ra, int msgl) +{ + if (!mp_msg_test(ra->log, msgl)) + return; + MP_MSG(ra, msgl, "Image formats:\n"); + for (int imgfmt = IMGFMT_START; imgfmt < IMGFMT_END; imgfmt++) { + const char *name = mp_imgfmt_to_name(imgfmt); + if (strcmp(name, "unknown") == 0) + continue; + MP_MSG(ra, msgl, " %s", name); + struct ra_imgfmt_desc desc; + if (ra_get_imgfmt_desc(ra, imgfmt, &desc)) { + MP_MSG(ra, msgl, " => "); + ra_dump_imgfmt_desc(ra, &desc, msgl); + } else { + MP_MSG(ra, msgl, "\n"); + } + } +} |