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Create the video texture based on the available texture formats, not the backbuffer format.

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This commit is contained in:
Sam Lantinga
2011-02-03 01:13:48 -08:00
parent 533d4862d6
commit 599d9d75f5
1 changed files with 14 additions and 55 deletions
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69
src/SDL_compat.c
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@@ -470,9 +470,10 @@ SDL_SetVideoMode(int width, int height, int bpp, Uint32 flags)
int window_x = SDL_WINDOWPOS_UNDEFINED;
int window_y = SDL_WINDOWPOS_UNDEFINED;
Uint32 window_flags;
Uint32 desktop_format;
Uint32 desired_format;
Uint32 surface_flags;
Uint32 i;
SDL_RendererInfo info;
Uint32 desired_format;
if (!SDL_GetVideoDevice()) {
if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE) < 0) {
@@ -490,6 +491,9 @@ SDL_SetVideoMode(int width, int height, int bpp, Uint32 flags)
if (height == 0) {
height = desktop_mode.h;
}
if (bpp == 0) {
bpp = SDL_BITSPERPIXEL(desktop_mode.format);
}
/* See if we can simply resize the existing window and surface */
if (SDL_ResizeVideoMode(width, height, bpp, flags) == 0) {
@@ -559,53 +563,6 @@ SDL_SetVideoMode(int width, int height, int bpp, Uint32 flags)
surface_flags |= SDL_NOFRAME;
}
/* Set up the desired display mode */
desktop_format = desktop_mode.format;
if (desktop_format && ((flags & SDL_ANYFORMAT)
|| (bpp == SDL_BITSPERPIXEL(desktop_format)))) {
desired_format = desktop_format;
} else {
switch (bpp) {
case 0:
if (desktop_format) {
desired_format = desktop_format;
} else {
desired_format = SDL_PIXELFORMAT_RGB888;
}
bpp = SDL_BITSPERPIXEL(desired_format);
break;
case 8:
desired_format = SDL_PIXELFORMAT_INDEX8;
break;
case 15:
desired_format = SDL_PIXELFORMAT_RGB555;
break;
case 16:
desired_format = SDL_PIXELFORMAT_RGB565;
break;
case 24:
desired_format = SDL_PIXELFORMAT_RGB24;
break;
case 32:
desired_format = SDL_PIXELFORMAT_RGB888;
break;
default:
SDL_SetError("Unsupported bpp in SDL_SetVideoMode()");
return NULL;
}
}
/* Set up the desired display mode */
if (flags & SDL_FULLSCREEN) {
SDL_DisplayMode mode;
SDL_zero(mode);
mode.format = desired_format;
if (SDL_SetWindowDisplayMode(SDL_VideoWindow, &mode) < 0) {
return NULL;
}
}
/* If we're in OpenGL mode, just create a stub surface and we're done! */
if (flags & SDL_OPENGL) {
SDL_VideoContext = SDL_GL_CreateContext(SDL_VideoWindow);
@@ -632,15 +589,17 @@ SDL_SetVideoMode(int width, int height, int bpp, Uint32 flags)
}
/* Create a texture for the screen surface */
SDL_GetRendererInfo(SDL_VideoRenderer, &info);
desired_format = info.texture_formats[0];
for (i = 0; i < info.num_texture_formats; ++i) {
if (!SDL_ISPIXELFORMAT_ALPHA(info.texture_formats[i])) {
desired_format = info.texture_formats[i];
break;
}
}
SDL_VideoTexture = SDL_CreateTexture(SDL_VideoRenderer, desired_format,
SDL_TEXTUREACCESS_STREAMING,
width, height);
if (!SDL_VideoTexture) {
SDL_VideoTexture = SDL_CreateTexture(SDL_VideoRenderer, desktop_format,
SDL_TEXTUREACCESS_STREAMING,
width, height);
}
if (!SDL_VideoTexture) {
return NULL;
}