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[KMSDRM] Minor Vulkan code adjustments regarding pointers and display index.

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vanfanel 2021-03-29 19:22:26 +02:00 committed by Sam Lantinga
parent 570768f627
commit 733b3278de
2 changed files with 16 additions and 16 deletions
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2
src/video/kmsdrm/SDL_kmsdrmvideo.c
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@ -1015,7 +1015,7 @@ KMSDRM_GetDisplayModes(_THIS, SDL_VideoDisplay * display)
SDL_DisplayModeData *modedata = SDL_calloc(1, sizeof(SDL_DisplayModeData));
if (modedata) {
modedata->mode_index = i;
modedata->mode_index = i;
}
mode.w = conn->modes[i].hdisplay;

30
src/video/kmsdrm/SDL_kmsdrmvulkan.c
View File

@ -174,7 +174,7 @@ void KMSDRM_Vulkan_GetDrawableSize(_THIS, SDL_Window *window, int *w, int *h)
/* Instead, programs using SDL and Vulkan create their Vulkan instance */
/* and we get it here, ready to use. */
/* Extensions specific for this platform are activated in */
/* KMSDRM_Vulkan_GetInstanceExtensions(), like we do with */
/* KMSDRM_Vulkan_GetInstanceExtensions(), like we do with */
/* VK_KHR_DISPLAY_EXTENSION_NAME, which is what we need for x-less VK. */
/***********************************************************************/
SDL_bool KMSDRM_Vulkan_CreateSurface(_THIS,
@ -198,7 +198,7 @@ SDL_bool KMSDRM_Vulkan_CreateSurface(_THIS,
VkDisplaySurfaceCreateInfoKHR display_plane_surface_create_info;
VkExtent2D image_size;
VkDisplayModeKHR *display_mode = NULL;
VkDisplayModeKHR display_mode = NULL;
VkDisplayModePropertiesKHR display_mode_props = {0};
VkDisplayModeParametersKHR new_mode_parameters = { {0, 0}, 0};
@ -207,13 +207,9 @@ SDL_bool KMSDRM_Vulkan_CreateSurface(_THIS,
SDL_bool valid_gpu = SDL_FALSE;
SDL_bool mode_found = SDL_FALSE;
/* We don't receive a display index in KMSDRM_CreateDevice(), only
a device index, which determines the GPU to use, but not the output.
So we simply use the first connected output (ie, the first connected
video output) for now.
In other words, change this index to select a different output. Easy! */
int display_index = 0;
/* Get the display index from the display being used by the window. */
SDL_VideoDisplay *display = SDL_GetDisplayForWindow(window);
int display_index = SDL_atoi(display->name);
int i;
/* Get the function pointers for the functions we will use. */
@ -387,22 +383,26 @@ SDL_bool KMSDRM_Vulkan_CreateSurface(_THIS,
display_mode_props.parameters.visibleRegion.width > 0 &&
display_mode_props.parameters.visibleRegion.height > 0 ) {
/* Found a suitable mode among the predefined ones. Use that. */
display_mode = &(display_mode_props.displayMode);
display_mode = display_mode_props.displayMode;
} else {
/* Can't find a suitable mode among the predefined ones, so try to create our own. */
/* Couldn't find a suitable mode among the predefined ones, so try to create our own.
This won't work for some video chips atm (like Pi's VideoCore) so these are limited
to supported resolutions. Don't try to use "closest" resolutions either, because
those are often bigger than the window size, thus causing out-of-bunds scanout. */
new_mode_parameters.visibleRegion.width = window->w;
new_mode_parameters.visibleRegion.height = window->h;
new_mode_parameters.refreshRate = 60000; /* Always use 60Hz for now. */
new_mode_parameters.refreshRate = window->fullscreen_mode.refresh_rate;
display_mode_create_info.sType = VK_STRUCTURE_TYPE_DISPLAY_MODE_CREATE_INFO_KHR;
display_mode_create_info.parameters = new_mode_parameters;
result = vkCreateDisplayModeKHR(gpu,
displays_props[display_index].display,
&display_mode_create_info,
NULL, display_mode);
NULL, &display_mode);
if (result != VK_SUCCESS) {
SDL_SetError("Vulkan couldn't find a predefined mode for that window size and couldn't create a suitable mode.");
goto clean;
}
}
}
/* Just in case we get here without a display_mode. */
@ -419,7 +419,7 @@ SDL_bool KMSDRM_Vulkan_CreateSurface(_THIS,
image_size.height = window->h;
display_plane_surface_create_info.sType = VK_STRUCTURE_TYPE_DISPLAY_SURFACE_CREATE_INFO_KHR;
display_plane_surface_create_info.displayMode = *display_mode;
display_plane_surface_create_info.displayMode = display_mode;
/* For now, simply use the first plane. */
display_plane_surface_create_info.planeIndex = 0;
display_plane_surface_create_info.imageExtent = image_size;