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[KMS/DRM] Add Vulkan suport to the KMSDRM_LEGACY backend.Minor text spacing tweaks for better readability. Comment out unused function.

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This commit is contained in:
Manuel Alfayate Corchete 2021-01-07 00:47:21 +01:00
parent dfb0afe36a
commit 661bacfe27
1 changed files with 64 additions and 41 deletions
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105
src/video/kmsdrm_legacy/SDL_kmsdrm_legacy_video.c
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@ -42,6 +42,7 @@
#include "SDL_kmsdrm_legacy_opengles.h"
#include "SDL_kmsdrm_legacy_mouse.h"
#include "SDL_kmsdrm_legacy_dyn.h"
#include "SDL_kmsdrm_legacy_vulkan.h"
#include <sys/stat.h>
#include <dirent.h>
#include <errno.h>
@ -62,6 +63,49 @@
#endif
#if 0
/**************************************************************************************/
/* UNUSED function because any plane compatible with the CRTC we chose is good enough */
/* for us, whatever it's type is. Keep it here for documentation purposes. */
/* It cold be needed sometime in the future, too. */
/**************************************************************************************/
SDL_bool KMSDRM_IsPlanePrimary (_THIS, drmModePlane *plane) {
SDL_VideoData *viddata = (SDL_VideoData *)_this->driverdata;
SDL_bool ret = SDL_FALSE;
int j;
/* Find out if it's a primary plane. */
drmModeObjectProperties *plane_props =
KMSDRM_LEGACY_drmModeObjectGetProperties(viddata->drm_fd,
plane->plane_id, DRM_MODE_OBJECT_ANY);
for (j = 0; (j < plane_props->count_props); j++) {
drmModePropertyRes *prop = KMSDRM_LEGACY_drmModeGetProperty(viddata->drm_fd,
plane_props->props[j]);
if ((strcmp(prop->name, "type") == 0) &&
(plane_props->prop_values[j] == DRM_PLANE_TYPE_PRIMARY))
{
ret = SDL_TRUE;
}
KMSDRM_LEGACY_drmModeFreeProperty(prop);
}
KMSDRM_LEGACY_drmModeFreeObjectProperties(plane_props);
return ret;
}
#endif
#if 0
/***********************************************/
/* Use these functions if you ever need info */
/* about the available planes on your machine. */
/***********************************************/
void print_plane_info(_THIS, drmModePlanePtr plane)
{
@ -155,12 +199,8 @@ void get_planes_info(_THIS)
KMSDRM_LEGACY_drmModeFreePlaneResources(plane_resources);
}
#endif
static int
check_modestting(int devindex)
{
@ -175,11 +215,17 @@ check_modestting(int devindex)
if (SDL_KMSDRM_LEGACY_LoadSymbols()) {
drmModeRes *resources = KMSDRM_LEGACY_drmModeGetResources(drm_fd);
if (resources) {
SDL_LogDebug(SDL_LOG_CATEGORY_VIDEO, KMSDRM_LEGACY_DRI_DEVFMT " connector, encoder and CRTC counts are: %d %d %d",
KMSDRM_LEGACY_DRI_PATH, devindex,
resources->count_connectors, resources->count_encoders, resources->count_crtcs);
SDL_LogDebug(SDL_LOG_CATEGORY_VIDEO,
KMSDRM_LEGACY_DRI_DEVFMT
" connector, encoder and CRTC counts are: %d %d %d",
KMSDRM_LEGACY_DRI_PATH, devindex,
resources->count_connectors, resources->count_encoders,
resources->count_crtcs);
if (resources->count_connectors > 0 && resources->count_encoders > 0 && resources->count_crtcs > 0) {
if (resources->count_connectors > 0
&& resources->count_encoders > 0
&& resources->count_crtcs > 0)
{
available = SDL_TRUE;
}
KMSDRM_LEGACY_drmModeFreeResources(resources);
@ -216,7 +262,8 @@ static int get_dricount(void)
if (folder) {
while ((res = readdir(folder))) {
int len = SDL_strlen(res->d_name);
if (len > KMSDRM_LEGACY_DRI_DEVNAMESIZE && SDL_strncmp(res->d_name, KMSDRM_LEGACY_DRI_DEVNAME, KMSDRM_LEGACY_DRI_DEVNAMESIZE) == 0) {
if (len > KMSDRM_LEGACY_DRI_DEVNAMESIZE && SDL_strncmp(res->d_name,
KMSDRM_LEGACY_DRI_DEVNAME, KMSDRM_LEGACY_DRI_DEVNAMESIZE) == 0) {
devcount++;
}
}
@ -337,6 +384,14 @@ KMSDRM_LEGACY_CreateDevice(int devindex)
device->GL_SwapWindow = KMSDRM_LEGACY_GLES_SwapWindow;
device->GL_DeleteContext = KMSDRM_LEGACY_GLES_DeleteContext;
#if SDL_VIDEO_VULKAN
device->Vulkan_LoadLibrary = KMSDRM_LEGACY_Vulkan_LoadLibrary;
device->Vulkan_UnloadLibrary = KMSDRM_LEGACY_Vulkan_UnloadLibrary;
device->Vulkan_GetInstanceExtensions = KMSDRM_LEGACY_Vulkan_GetInstanceExtensions;
device->Vulkan_CreateSurface = KMSDRM_LEGACY_Vulkan_CreateSurface;
device->Vulkan_GetDrawableSize = KMSDRM_LEGACY_Vulkan_GetDrawableSize;
#endif
device->PumpEvents = KMSDRM_LEGACY_PumpEvents;
device->free = KMSDRM_LEGACY_DeleteDevice;
@ -713,38 +768,6 @@ cleanup:
return ret;
}
/*UNUSED function. Keep for documentation purposes. */
SDL_bool KMSDRM_IsPlanePrimary (_THIS, drmModePlane *plane) {
SDL_VideoData *viddata = (SDL_VideoData *)_this->driverdata;
SDL_bool ret = SDL_FALSE;
int j;
/* Find out if it's a primary plane. */
drmModeObjectProperties *plane_props =
KMSDRM_LEGACY_drmModeObjectGetProperties(viddata->drm_fd,
plane->plane_id, DRM_MODE_OBJECT_ANY);
for (j = 0; (j < plane_props->count_props); j++) {
drmModePropertyRes *prop = KMSDRM_LEGACY_drmModeGetProperty(viddata->drm_fd,
plane_props->props[j]);
if ((strcmp(prop->name, "type") == 0) &&
(plane_props->prop_values[j] == DRM_PLANE_TYPE_PRIMARY))
{
ret = SDL_TRUE;
}
KMSDRM_LEGACY_drmModeFreeProperty(prop);
}
KMSDRM_LEGACY_drmModeFreeObjectProperties(plane_props);
return ret;
}
/* Init the Vulkan-INCOMPATIBLE stuff:
Reopen FD, create gbm dev, create dumb buffer and setup display plane.
This is to be called late, in WindowCreate(), and ONLY if this is not