diff options
Diffstat (limited to 'video/out/hwdec/hwdec_vaapi_gl.c')
-rw-r--r-- | video/out/hwdec/hwdec_vaapi_gl.c | 264 |
1 files changed, 264 insertions, 0 deletions
diff --git a/video/out/hwdec/hwdec_vaapi_gl.c b/video/out/hwdec/hwdec_vaapi_gl.c new file mode 100644 index 0000000000..b473a49676 --- /dev/null +++ b/video/out/hwdec/hwdec_vaapi_gl.c @@ -0,0 +1,264 @@ +/* + * 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/>. + */ + +#include "config.h" +#include "hwdec_vaapi.h" + +#include <EGL/egl.h> +#include <EGL/eglext.h> +#include "video/out/opengl/ra_gl.h" + +#ifndef GL_OES_EGL_image +typedef void* GLeglImageOES; +#endif +#ifndef EGL_KHR_image +typedef void *EGLImageKHR; +#endif + +#ifndef EGL_LINUX_DMA_BUF_EXT +#define EGL_LINUX_DMA_BUF_EXT 0x3270 +#define EGL_LINUX_DRM_FOURCC_EXT 0x3271 +#define EGL_DMA_BUF_PLANE0_FD_EXT 0x3272 +#define EGL_DMA_BUF_PLANE0_OFFSET_EXT 0x3273 +#define EGL_DMA_BUF_PLANE0_PITCH_EXT 0x3274 +#endif + +struct vaapi_gl_mapper_priv { + GLuint gl_textures[4]; + EGLImageKHR images[4]; + + EGLImageKHR (EGLAPIENTRY *CreateImageKHR)(EGLDisplay, EGLContext, + EGLenum, EGLClientBuffer, + const EGLint *); + EGLBoolean (EGLAPIENTRY *DestroyImageKHR)(EGLDisplay, EGLImageKHR); + void (EGLAPIENTRY *EGLImageTargetTexture2DOES)(GLenum, GLeglImageOES); +}; + +static bool vaapi_gl_mapper_init(struct ra_hwdec_mapper *mapper, + const struct ra_imgfmt_desc *desc) +{ + struct priv *p_mapper = mapper->priv; + struct vaapi_gl_mapper_priv *p = talloc_ptrtype(NULL, p); + p_mapper->interop_mapper_priv = p; + + // EGL_KHR_image_base + p->CreateImageKHR = (void *)eglGetProcAddress("eglCreateImageKHR"); + p->DestroyImageKHR = (void *)eglGetProcAddress("eglDestroyImageKHR"); + // GL_OES_EGL_image + p->EGLImageTargetTexture2DOES = + (void *)eglGetProcAddress("glEGLImageTargetTexture2DOES"); + + if (!p->CreateImageKHR || !p->DestroyImageKHR || + !p->EGLImageTargetTexture2DOES) + return false; + + GL *gl = ra_gl_get(mapper->ra); + gl->GenTextures(4, p->gl_textures); + for (int n = 0; n < desc->num_planes; n++) { + gl->BindTexture(GL_TEXTURE_2D, p->gl_textures[n]); + 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); + gl->BindTexture(GL_TEXTURE_2D, 0); + + struct ra_tex_params params = { + .dimensions = 2, + .w = mp_image_plane_w(&p_mapper->layout, n), + .h = mp_image_plane_h(&p_mapper->layout, n), + .d = 1, + .format = desc->planes[n], + .render_src = true, + .src_linear = true, + }; + + if (params.format->ctype != RA_CTYPE_UNORM) + return false; + + p_mapper->tex[n] = ra_create_wrapped_tex(mapper->ra, ¶ms, + p->gl_textures[n]); + if (!p_mapper->tex[n]) + return false; + } + + return true; +} + +static void vaapi_gl_mapper_uninit(const struct ra_hwdec_mapper *mapper) +{ + struct priv *p_mapper = mapper->priv; + struct vaapi_gl_mapper_priv *p = p_mapper->interop_mapper_priv; + + if (p) { + GL *gl = ra_gl_get(mapper->ra); + gl->DeleteTextures(4, p->gl_textures); + for (int n = 0; n < 4; n++) { + p->gl_textures[n] = 0; + ra_tex_free(mapper->ra, &p_mapper->tex[n]); + } + talloc_free(p); + p_mapper->interop_mapper_priv = NULL; + } +} + +#define ADD_ATTRIB(name, value) \ + do { \ + assert(num_attribs + 3 < MP_ARRAY_SIZE(attribs)); \ + attribs[num_attribs++] = (name); \ + attribs[num_attribs++] = (value); \ + attribs[num_attribs] = EGL_NONE; \ + } while(0) + +#define ADD_PLANE_ATTRIBS(plane) do { \ + ADD_ATTRIB(EGL_DMA_BUF_PLANE ## plane ## _FD_EXT, \ + p_mapper->desc.objects[p_mapper->desc.layers[n].object_index[plane]].fd); \ + ADD_ATTRIB(EGL_DMA_BUF_PLANE ## plane ## _OFFSET_EXT, \ + p_mapper->desc.layers[n].offset[plane]); \ + ADD_ATTRIB(EGL_DMA_BUF_PLANE ## plane ## _PITCH_EXT, \ + p_mapper->desc.layers[n].pitch[plane]); \ + } while (0) + +static bool vaapi_gl_map(struct ra_hwdec_mapper *mapper) +{ +#if VA_CHECK_VERSION(1, 1, 0) + struct priv *p_mapper = mapper->priv; + struct vaapi_gl_mapper_priv *p = p_mapper->interop_mapper_priv; + + GL *gl = ra_gl_get(mapper->ra); + + for (int n = 0; n < p_mapper->num_planes; n++) { + int attribs[20] = {EGL_NONE}; + int num_attribs = 0; + + ADD_ATTRIB(EGL_LINUX_DRM_FOURCC_EXT, p_mapper->desc.layers[n].drm_format); + ADD_ATTRIB(EGL_WIDTH, p_mapper->tex[n]->params.w); + ADD_ATTRIB(EGL_HEIGHT, p_mapper->tex[n]->params.h); + + ADD_PLANE_ATTRIBS(0); + if (p_mapper->desc.layers[n].num_planes > 1) + ADD_PLANE_ATTRIBS(1); + if (p_mapper->desc.layers[n].num_planes > 2) + ADD_PLANE_ATTRIBS(2); + if (p_mapper->desc.layers[n].num_planes > 3) + ADD_PLANE_ATTRIBS(3); + + p->images[n] = p->CreateImageKHR(eglGetCurrentDisplay(), + EGL_NO_CONTEXT, EGL_LINUX_DMA_BUF_EXT, NULL, attribs); + if (!p->images[n]) + return false; + + gl->BindTexture(GL_TEXTURE_2D, p->gl_textures[n]); + p->EGLImageTargetTexture2DOES(GL_TEXTURE_2D, p->images[n]); + + mapper->tex[n] = p_mapper->tex[n]; + } + gl->BindTexture(GL_TEXTURE_2D, 0); +#endif + return true; +} + +static bool vaapi_gl_map_legacy(struct ra_hwdec_mapper *mapper, + const VABufferInfo *buffer_info, + const int *drm_fmts) { + struct priv *p_mapper = mapper->priv; + struct vaapi_gl_mapper_priv *p = p_mapper->interop_mapper_priv; + + GL *gl = ra_gl_get(mapper->ra); + + VAImage *va_image = &p_mapper->current_image; + + for (int n = 0; n < p_mapper->num_planes; n++) { + int attribs[20] = {EGL_NONE}; + int num_attribs = 0; + + const struct ra_format *fmt = p_mapper->tex[n]->params.format; + int n_comp = fmt->num_components; + int comp_s = fmt->component_size[n] / 8; + if (n_comp < 1 || n_comp > 3 || comp_s < 1 || comp_s > 2) + return false; + int drm_fmt = drm_fmts[n_comp - 1 + (comp_s - 1) * 4]; + if (!drm_fmt) + return false; + + ADD_ATTRIB(EGL_LINUX_DRM_FOURCC_EXT, drm_fmt); + ADD_ATTRIB(EGL_WIDTH, p_mapper->tex[n]->params.w); + ADD_ATTRIB(EGL_HEIGHT, p_mapper->tex[n]->params.h); + ADD_ATTRIB(EGL_DMA_BUF_PLANE0_FD_EXT, buffer_info->handle); + ADD_ATTRIB(EGL_DMA_BUF_PLANE0_OFFSET_EXT, va_image->offsets[n]); + ADD_ATTRIB(EGL_DMA_BUF_PLANE0_PITCH_EXT, va_image->pitches[n]); + + p->images[n] = p->CreateImageKHR(eglGetCurrentDisplay(), + EGL_NO_CONTEXT, EGL_LINUX_DMA_BUF_EXT, NULL, attribs); + if (!p->images[n]) + return false; + + gl->BindTexture(GL_TEXTURE_2D, p->gl_textures[n]); + p->EGLImageTargetTexture2DOES(GL_TEXTURE_2D, p->images[n]); + + mapper->tex[n] = p_mapper->tex[n]; + } + gl->BindTexture(GL_TEXTURE_2D, 0); + + return true; +} + +static void vaapi_gl_unmap(struct ra_hwdec_mapper *mapper) +{ + struct priv *p_mapper = mapper->priv; + struct vaapi_gl_mapper_priv *p = p_mapper->interop_mapper_priv; + + if (p) { + for (int n = 0; n < 4; n++) { + if (p->images[n]) + p->DestroyImageKHR(eglGetCurrentDisplay(), p->images[n]); + p->images[n] = 0; + } + } +} + +bool vaapi_gl_init(const struct ra_hwdec *hw) +{ + struct priv_owner *p = hw->priv; + if (!ra_is_gl(hw->ra)) { + // This is not an OpenGL RA. + return false; + } + + if (!eglGetCurrentContext()) + return false; + + const char *exts = eglQueryString(eglGetCurrentDisplay(), EGL_EXTENSIONS); + if (!exts) + return false; + + GL *gl = ra_gl_get(hw->ra); + if (!strstr(exts, "EXT_image_dma_buf_import") || + !strstr(exts, "EGL_KHR_image_base") || + !strstr(gl->extensions, "GL_OES_EGL_image") || + !(gl->mpgl_caps & MPGL_CAP_TEX_RG)) + return false; + + MP_VERBOSE(hw, "using VAAPI EGL interop\n"); + + p->interop_init = vaapi_gl_mapper_init; + p->interop_uninit = vaapi_gl_mapper_uninit; + p->interop_map = vaapi_gl_map; + p->interop_map_legacy = vaapi_gl_map_legacy; + p->interop_unmap = vaapi_gl_unmap; + + return true; +}
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