vo/gpu: hwdec_cuda: Reorganise backend-specific code

This tries to tidy up the GL vs Vulkan code to be a bit cleaner
and easier to read.
This commit is contained in:
Philip Langdale 2018-12-18 17:38:19 -08:00 committed by Jan Ekström
parent 4005cda614
commit 74831dd651
1 changed files with 223 additions and 151 deletions

View File

@ -33,10 +33,10 @@
#include "video/out/gpu/hwdec.h"
#include "video/out/gpu/utils.h"
#include "formats.h"
#include "options/m_config.h"
#if HAVE_GL
#include "ra_gl.h"
#include "video/out/opengl/formats.h"
#include "video/out/opengl/ra_gl.h"
#endif
#if HAVE_VULKAN
#include "video/out/placebo/ra_pl.h"
@ -55,10 +55,21 @@ struct priv_owner {
bool is_gl;
bool is_vk;
bool (*ext_init)(struct ra_hwdec_mapper *mapper,
const struct ra_format *format, int n);
void (*ext_uninit)(struct ra_hwdec_mapper *mapper, int n);
enum pl_handle_type handle_type;
};
struct ext_gl {
#if HAVE_GL
CUgraphicsResource cu_res;
#endif
};
struct ext_vk {
#if HAVE_VULKAN
CUexternalMemory mem;
CUmipmappedArray mma;
@ -68,15 +79,16 @@ struct ext_vk {
CUexternalSemaphore ss;
CUexternalSemaphore ws;
#endif
};
struct priv {
struct mp_image layout;
CUgraphicsResource cu_res[4];
CUarray cu_array[4];
CUcontext display_ctx;
struct ext_gl egl[4];
struct ext_vk evk[4];
};
@ -105,9 +117,123 @@ static int check_cu(struct ra_hwdec *hw, CUresult err, const char *func)
#define CHECK_CU(x) check_cu(hw, (x), #x)
static bool cuda_ext_gl_init(struct ra_hwdec_mapper *mapper,
const struct ra_format *format, int n);
static bool cuda_ext_vk_init(struct ra_hwdec_mapper *mapper,
const struct ra_format *format, int n);
static void cuda_ext_gl_uninit(struct ra_hwdec_mapper *mapper, int n);
static void cuda_ext_vk_uninit(struct ra_hwdec_mapper *mapper, int n);
static bool gl_init(struct ra_hwdec *hw) {
#if HAVE_GL
int ret = 0;
struct priv_owner *p = hw->priv;
CudaFunctions *cu = p->cu;
CUdevice display_dev;
unsigned int device_count;
ret = CHECK_CU(cu->cuGLGetDevices(&device_count, &display_dev, 1,
CU_GL_DEVICE_LIST_ALL));
if (ret < 0)
return false;
ret = CHECK_CU(cu->cuCtxCreate(&p->display_ctx, CU_CTX_SCHED_BLOCKING_SYNC,
display_dev));
if (ret < 0)
return false;
p->decode_ctx = p->display_ctx;
int decode_dev_idx = -1;
mp_read_option_raw(hw->global, "cuda-decode-device", &m_option_type_choice,
&decode_dev_idx);
if (decode_dev_idx > -1) {
CUcontext dummy;
CUdevice decode_dev;
ret = CHECK_CU(cu->cuDeviceGet(&decode_dev, decode_dev_idx));
if (ret < 0) {
CHECK_CU(cu->cuCtxPopCurrent(&dummy));
return false;
}
if (decode_dev != display_dev) {
MP_INFO(hw, "Using separate decoder and display devices\n");
// Pop the display context. We won't use it again during init()
ret = CHECK_CU(cu->cuCtxPopCurrent(&dummy));
if (ret < 0)
return false;
ret = CHECK_CU(cu->cuCtxCreate(&p->decode_ctx, CU_CTX_SCHED_BLOCKING_SYNC,
decode_dev));
if (ret < 0)
return false;
}
}
p->ext_init = cuda_ext_gl_init;
p->ext_uninit = cuda_ext_gl_uninit;
return true;
#else
return false;
#endif
}
static bool vk_init(struct ra_hwdec *hw) {
#if HAVE_VULKAN
int ret = 0;
struct priv_owner *p = hw->priv;
CudaFunctions *cu = p->cu;
int device_count;
ret = CHECK_CU(cu->cuDeviceGetCount(&device_count));
if (ret < 0)
return false;
CUdevice display_dev = -1;
for (int i = 0; i < device_count; i++) {
CUdevice dev;
ret = CHECK_CU(cu->cuDeviceGet(&dev, i));
if (ret < 0)
continue;
CUuuid uuid;
ret = CHECK_CU(cu->cuDeviceGetUuid(&uuid, dev));
if (ret < 0)
continue;
const struct pl_gpu *gpu = ra_pl_get(hw->ra);
if (memcmp(gpu->uuid, uuid.bytes, sizeof (gpu->uuid)) == 0) {
display_dev = dev;
break;
}
}
if (display_dev == -1) {
MP_ERR(hw, "Could not match Vulkan display device in CUDA.\n");
return false;
}
ret = CHECK_CU(cu->cuCtxCreate(&p->display_ctx, CU_CTX_SCHED_BLOCKING_SYNC,
display_dev));
if (ret < 0)
return false;
p->decode_ctx = p->display_ctx;
p->ext_init = cuda_ext_vk_init;
p->ext_uninit = cuda_ext_vk_uninit;
return true;
#else
return false;
#endif
}
static int cuda_init(struct ra_hwdec *hw)
{
CUdevice display_dev;
AVBufferRef *hw_device_ctx = NULL;
CUcontext dummy;
int ret = 0;
@ -170,81 +296,10 @@ static int cuda_init(struct ra_hwdec *hw)
return -1;
// Allocate display context
if (p->is_gl) {
unsigned int device_count;
ret = CHECK_CU(cu->cuGLGetDevices(&device_count, &display_dev, 1,
CU_GL_DEVICE_LIST_ALL));
if (ret < 0)
return -1;
ret = CHECK_CU(cu->cuCtxCreate(&p->display_ctx, CU_CTX_SCHED_BLOCKING_SYNC,
display_dev));
if (ret < 0)
return -1;
p->decode_ctx = p->display_ctx;
int decode_dev_idx = -1;
mp_read_option_raw(hw->global, "cuda-decode-device", &m_option_type_choice,
&decode_dev_idx);
if (decode_dev_idx > -1) {
CUdevice decode_dev;
ret = CHECK_CU(cu->cuDeviceGet(&decode_dev, decode_dev_idx));
if (ret < 0)
goto error;
if (decode_dev != display_dev) {
MP_INFO(hw, "Using separate decoder and display devices\n");
// Pop the display context. We won't use it again during init()
ret = CHECK_CU(cu->cuCtxPopCurrent(&dummy));
if (ret < 0)
return -1;
ret = CHECK_CU(cu->cuCtxCreate(&p->decode_ctx, CU_CTX_SCHED_BLOCKING_SYNC,
decode_dev));
if (ret < 0)
return -1;
}
}
} else if (p->is_vk) {
#if HAVE_VULKAN
int count;
ret = CHECK_CU(cu->cuDeviceGetCount(&count));
if (ret < 0)
return -1;
display_dev = -1;
for (int i = 0; i < count; i++) {
CUdevice dev;
ret = CHECK_CU(cu->cuDeviceGet(&dev, i));
if (ret < 0)
continue;
CUuuid uuid;
ret = CHECK_CU(cu->cuDeviceGetUuid(&uuid, dev));
if (ret < 0)
continue;
if (memcmp(gpu->uuid, uuid.bytes, sizeof (gpu->uuid)) == 0) {
display_dev = dev;
break;
}
}
if (display_dev == -1) {
MP_ERR(hw, "Could not match Vulkan display device in CUDA.\n");
return -1;
}
ret = CHECK_CU(cu->cuCtxCreate(&p->display_ctx, CU_CTX_SCHED_BLOCKING_SYNC,
display_dev));
if (ret < 0)
return -1;
p->decode_ctx = p->display_ctx;
#endif
if (p->is_gl && !gl_init(hw)) {
return -1;
} else if (p->is_vk && !vk_init(hw)) {
return -1;
}
hw_device_ctx = av_hwdevice_ctx_alloc(AV_HWDEVICE_TYPE_CUDA);
@ -467,24 +522,94 @@ static void cuda_ext_vk_uninit(struct ra_hwdec_mapper *mapper, int n)
CudaFunctions *cu = p_owner->cu;
struct ext_vk *evk = &p->evk[n];
if (evk) {
if (evk->mma) {
CHECK_CU(cu->cuMipmappedArrayDestroy(evk->mma));
}
if (evk->mem) {
CHECK_CU(cu->cuDestroyExternalMemory(evk->mem));
}
if (evk->ss) {
CHECK_CU(cu->cuDestroyExternalSemaphore(evk->ss));
}
if (evk->ws) {
CHECK_CU(cu->cuDestroyExternalSemaphore(evk->ws));
}
pl_sync_destroy(ra_pl_get(mapper->ra), &evk->sync);
if (evk->mma) {
CHECK_CU(cu->cuMipmappedArrayDestroy(evk->mma));
evk->mma = 0;
}
if (evk->mem) {
CHECK_CU(cu->cuDestroyExternalMemory(evk->mem));
evk->mem = 0;
}
if (evk->ss) {
CHECK_CU(cu->cuDestroyExternalSemaphore(evk->ss));
evk->ss = 0;
}
if (evk->ws) {
CHECK_CU(cu->cuDestroyExternalSemaphore(evk->ws));
evk->ws = 0;
}
pl_sync_destroy(ra_pl_get(mapper->ra), &evk->sync);
}
#endif // HAVE_VULKAN
#if HAVE_GL
static bool cuda_ext_gl_init(struct ra_hwdec_mapper *mapper,
const struct ra_format *format, int n)
{
struct priv_owner *p_owner = mapper->owner->priv;
struct priv *p = mapper->priv;
CudaFunctions *cu = p_owner->cu;
int ret = 0;
CUcontext dummy;
struct ra_tex_params params = {
.dimensions = 2,
.w = mp_image_plane_w(&p->layout, n),
.h = mp_image_plane_h(&p->layout, n),
.d = 1,
.format = format,
.render_src = true,
.src_linear = format->linear_filter,
};
mapper->tex[n] = ra_tex_create(mapper->ra, &params);
if (!mapper->tex[n]) {
goto error;
}
GLuint texture;
GLenum target;
ra_gl_get_raw_tex(mapper->ra, mapper->tex[n], &texture, &target);
ret = CHECK_CU(cu->cuGraphicsGLRegisterImage(&p->egl[n].cu_res, texture, target,
CU_GRAPHICS_REGISTER_FLAGS_WRITE_DISCARD));
if (ret < 0)
goto error;
ret = CHECK_CU(cu->cuGraphicsMapResources(1, &p->egl[n].cu_res, 0));
if (ret < 0)
goto error;
ret = CHECK_CU(cu->cuGraphicsSubResourceGetMappedArray(&p->cu_array[n], p->egl[n].cu_res,
0, 0));
if (ret < 0)
goto error;
ret = CHECK_CU(cu->cuGraphicsUnmapResources(1, &p->egl[n].cu_res, 0));
if (ret < 0)
goto error;
return true;
error:
CHECK_CU(cu->cuCtxPopCurrent(&dummy));
return false;
}
static void cuda_ext_gl_uninit(struct ra_hwdec_mapper *mapper, int n)
{
struct priv_owner *p_owner = mapper->owner->priv;
struct priv *p = mapper->priv;
CudaFunctions *cu = p_owner->cu;
struct ext_gl *egl = &p->egl[n];
if (egl->cu_res) {
CHECK_CU(cu->cuGraphicsUnregisterResource(p->egl[n].cu_res));
egl->cu_res = 0;
}
}
#endif // HAVE_GL
static int mapper_init(struct ra_hwdec_mapper *mapper)
{
struct priv_owner *p_owner = mapper->owner->priv;
@ -513,55 +638,8 @@ static int mapper_init(struct ra_hwdec_mapper *mapper)
return ret;
for (int n = 0; n < desc.num_planes; n++) {
const struct ra_format *format = desc.planes[n];
if (p_owner->is_gl) {
#if HAVE_GL
struct ra_tex_params params = {
.dimensions = 2,
.w = mp_image_plane_w(&p->layout, n),
.h = mp_image_plane_h(&p->layout, n),
.d = 1,
.format = format,
.render_src = true,
.src_linear = format->linear_filter,
};
mapper->tex[n] = ra_tex_create(mapper->ra, &params);
if (!mapper->tex[n]) {
ret = -1;
goto error;
}
GLuint texture;
GLenum target;
ra_gl_get_raw_tex(mapper->ra, mapper->tex[n], &texture, &target);
ret = CHECK_CU(cu->cuGraphicsGLRegisterImage(&p->cu_res[n], texture, target,
CU_GRAPHICS_REGISTER_FLAGS_WRITE_DISCARD));
if (ret < 0)
goto error;
ret = CHECK_CU(cu->cuGraphicsMapResources(1, &p->cu_res[n], 0));
if (ret < 0)
goto error;
ret = CHECK_CU(cu->cuGraphicsSubResourceGetMappedArray(&p->cu_array[n], p->cu_res[n],
0, 0));
if (ret < 0)
goto error;
ret = CHECK_CU(cu->cuGraphicsUnmapResources(1, &p->cu_res[n], 0));
if (ret < 0)
goto error;
#endif
} else if (p_owner->is_vk) {
#if HAVE_VULKAN
ret = cuda_ext_vk_init(mapper, format, n);
if (ret < 0)
goto error;
#endif
}
if (!p_owner->ext_init(mapper, desc.planes[n], n))
goto error;
}
error:
@ -582,12 +660,7 @@ static void mapper_uninit(struct ra_hwdec_mapper *mapper)
// Don't bail if any CUDA calls fail. This is all best effort.
CHECK_CU(cu->cuCtxPushCurrent(p->display_ctx));
for (int n = 0; n < 4; n++) {
if (p->cu_res[n] > 0)
CHECK_CU(cu->cuGraphicsUnregisterResource(p->cu_res[n]));
p->cu_res[n] = 0;
#if HAVE_VULKAN
cuda_ext_vk_uninit(mapper, n);
#endif
p_owner->ext_uninit(mapper, n);
ra_tex_free(mapper->ra, &mapper->tex[n]);
}
CHECK_CU(cu->cuCtxPopCurrent(&dummy));
@ -604,7 +677,6 @@ static int mapper_map(struct ra_hwdec_mapper *mapper)
CudaFunctions *cu = p_owner->cu;
CUcontext dummy;
int ret = 0, eret = 0;
bool is_vk = p_owner->is_vk;
ret = CHECK_CU(cu->cuCtxPushCurrent(p->display_ctx));
if (ret < 0)
@ -612,7 +684,7 @@ static int mapper_map(struct ra_hwdec_mapper *mapper)
for (int n = 0; n < p->layout.num_planes; n++) {
#if HAVE_VULKAN
if (is_vk) {
if (p_owner->is_vk) {
ret = pl_tex_export(ra_pl_get(mapper->ra),
p->evk[n].pltex, p->evk[n].sync);
if (!ret)
@ -641,7 +713,7 @@ static int mapper_map(struct ra_hwdec_mapper *mapper)
if (ret < 0)
goto error;
#if HAVE_VULKAN
if (is_vk) {
if (p_owner->is_vk) {
CUDA_EXTERNAL_SEMAPHORE_SIGNAL_PARAMS sp = { 0, };
ret = CHECK_CU(cu->cuSignalExternalSemaphoresAsync(&p->evk[n].ss,
&sp, 1, 0));