diff options
Diffstat (limited to 'video/out/gpu/ra.c')
| -rw-r--r-- | video/out/gpu/ra.c | 327 |
1 files changed, 327 insertions, 0 deletions
diff --git a/video/out/gpu/ra.c b/video/out/gpu/ra.c new file mode 100644 index 0000000000..ef1de54d1a --- /dev/null +++ b/video/out/gpu/ra.c @@ -0,0 +1,327 @@ +#include "common/common.h" +#include "common/msg.h" +#include "video/img_format.h" + +#include "ra.h" + +struct ra_tex *ra_tex_create(struct ra *ra, const struct ra_tex_params *params) +{ + return ra->fns->tex_create(ra, params); +} + +void ra_tex_free(struct ra *ra, struct ra_tex **tex) +{ + if (*tex) + ra->fns->tex_destroy(ra, *tex); + *tex = NULL; +} + +struct ra_buf *ra_buf_create(struct ra *ra, const struct ra_buf_params *params) +{ + return ra->fns->buf_create(ra, params); +} + +void ra_buf_free(struct ra *ra, struct ra_buf **buf) +{ + if (*buf) + ra->fns->buf_destroy(ra, *buf); + *buf = NULL; +} + +void ra_free(struct ra **ra) +{ + if (*ra) + (*ra)->fns->destroy(*ra); + talloc_free(*ra); + *ra = NULL; +} + +size_t ra_vartype_size(enum ra_vartype type) +{ + switch (type) { + case RA_VARTYPE_INT: return sizeof(int); + case RA_VARTYPE_FLOAT: return sizeof(float); + case RA_VARTYPE_BYTE_UNORM: return 1; + default: return 0; + } +} + +struct ra_layout ra_renderpass_input_layout(struct ra_renderpass_input *input) +{ + size_t el_size = ra_vartype_size(input->type); + if (!el_size) + return (struct ra_layout){0}; + + // host data is always tightly packed + return (struct ra_layout) { + .align = 1, + .stride = el_size * input->dim_v, + .size = el_size * input->dim_v * input->dim_m, + }; +} + +static struct ra_renderpass_input *dup_inputs(void *ta_parent, + const struct ra_renderpass_input *inputs, int num_inputs) +{ + struct ra_renderpass_input *res = + talloc_memdup(ta_parent, (void *)inputs, num_inputs * sizeof(inputs[0])); + for (int n = 0; n < num_inputs; n++) + res[n].name = talloc_strdup(res, res[n].name); + return res; +} + +// Return a newly allocated deep-copy of params. +struct ra_renderpass_params *ra_renderpass_params_copy(void *ta_parent, + const struct ra_renderpass_params *params) +{ + struct ra_renderpass_params *res = talloc_ptrtype(ta_parent, res); + *res = *params; + res->inputs = dup_inputs(res, res->inputs, res->num_inputs); + res->vertex_attribs = + dup_inputs(res, res->vertex_attribs, res->num_vertex_attribs); + res->cached_program = bstrdup(res, res->cached_program); + res->vertex_shader = talloc_strdup(res, res->vertex_shader); + res->frag_shader = talloc_strdup(res, res->frag_shader); + res->compute_shader = talloc_strdup(res, res->compute_shader); + return res; +}; + + +// Return whether this is a tightly packed format with no external padding and +// with the same bit size/depth in all components, and the shader returns +// components in the same order as in memory. +static bool ra_format_is_regular(const struct ra_format *fmt) +{ + if (!fmt->pixel_size || !fmt->num_components || !fmt->ordered) + 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 filterable 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 && + fmt->linear_filter && 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; +} + +// Find a float format of any precision that matches the C type of the same +// size for upload. +// May drop bits from the mantissa (such as selecting float16 even if +// bytes_per_component == 32); prefers possibly faster formats first. +static const struct ra_format *ra_find_float_format(struct ra *ra, + int bytes_per_component, + int n_components) +{ + // Assumes ra_format are ordered by performance. + // The >=16 check is to avoid catching fringe formats. + 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 == bytes_per_component * n_components && + fmt->component_depth[0] >= 16 && + fmt->linear_filter && ra_format_is_regular(fmt)) + return fmt; + } + return NULL; +} + +// Return a filterable regular format that uses at least float16 internally, and +// uses a normal C float for transfer on the CPU side. (This is just so we don't +// need 32->16 bit conversion on CPU, which would be messy.) +const struct ra_format *ra_find_float16_format(struct ra *ra, int n_components) +{ + return ra_find_float_format(ra, sizeof(float), n_components); +} + +const struct ra_format *ra_find_named_format(struct ra *ra, const char *name) +{ + for (int n = 0; n < ra->num_formats; n++) { + const struct ra_format *fmt = ra->formats[n]; + if (strcmp(fmt->name, name) == 0) + return fmt; + } + return NULL; +} + +// Like ra_find_unorm_format(), but 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, + enum mp_component_type ctype) +{ + switch (ctype) { + case MP_COMPONENT_TYPE_UINT: { + 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); + } + case MP_COMPONENT_TYPE_FLOAT: + return ra_find_float_format(ra, bytes, n_channels); + default: return NULL; + } +} + +// 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)) { + enum ra_ctype ctype = RA_CTYPE_UNKNOWN; + 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, + regfmt.component_type); + if (!res.planes[n]) + return false; + for (int i = 0; i < plane->num_components; i++) + res.components[n][i] = plane->components[i]; + // Dropping LSBs when shifting will lead to dropped MSBs. + if (res.component_bits > res.planes[n]->component_depth[0] && + res.component_pad < 0) + return false; + // Renderer restriction, but actually an unwanted corner case. + if (ctype != RA_CTYPE_UNKNOWN && ctype != res.planes[n]->ctype) + return false; + ctype = res.planes[n]->ctype; + } + res.chroma_w = regfmt.chroma_w; + res.chroma_h = regfmt.chroma_h; + goto supported; + } + + for (int n = 0; n < ra->num_formats; n++) { + if (imgfmt && 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"); + MP_MSG(ra, msgl, " NAME COMP*TYPE SIZE DEPTH PER COMP.\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); + } + MP_MSG(ra, msgl, " LA = LUMINANCE_ALPHA hack format\n"); + MP_MSG(ra, msgl, " LF = linear filterable\n"); + MP_MSG(ra, msgl, " CR = can be used for render targets\n"); +} + +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"); + } + } +} |