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wiiu/render: Implement UpdateTexture/RenderClear

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rw-r-r-0644 2018-10-17 00:05:10 +02:00 committed by Ash Logan
parent 4fa755d52f
commit 273e19c2ce
3 changed files with 51 additions and 0 deletions
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8
src/render/wiiu/SDL_render_wiiu.c
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@ -246,6 +246,14 @@ WIIU_RenderPresent(SDL_Renderer * renderer)
}
}
static int
WIIU_RenderClear(SDL_Renderer * renderer)
{
WIIU_RenderData *data = (WIIU_RenderData *) renderer->driverdata;
GX2ClearColor(&data->cbuf, renderer->r, renderer->g, renderer->b, renderer->a);
return 0;
}
SDL_RenderDriver WIIU_RenderDriver = {
.CreateRenderer = WIIU_CreateRenderer,
.info = {

1
src/render/wiiu/SDL_render_wiiu.h
View File

@ -28,6 +28,7 @@
#include "../SDL_sysrender.h"
//Utility/helper functions
static Uint32 PixelFormatByteSizeWIIU(Uint32 format);
static GX2SurfaceFormat PixelFormatToWIIUFMT(Uint32 format);
static Uint32 TextureNextPow2(Uint32 w);

42
src/render/wiiu/SDL_rtexture_wiiu.c
View File

@ -92,6 +92,32 @@ static void WIIU_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture)
wiiu_tex->surface.image, wiiu_tex->surface.imageSize);
}
static int
WIIU_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * rect, const void *pixels, int pitch)
{
GX2Texture *wiiu_tex = (GX2Texture *) texture->driverdata;
Uint32 BytesPerPixel;
Uint8 *src, *dst;
int row;
size_t length;
BytesPerPixel = PixelFormatByteSizeWIIU(texture->format);
src = (Uint8 *) pixels;
dst = (Uint8 *) wiiu_tex->surface.image +
rect->y * wiiu_tex->surface.pitch +
rect->x * BytesPerPixel;
length = rect->w * BytesPerPixel;
for (row = 0; row < rect->h; ++row) {
SDL_memcpy(dst, src, length);
src += pitch;
dst += wiiu_tex->surface.pitch;
}
return 0;
}
static Uint32
TextureNextPow2(Uint32 w)
{
@ -103,6 +129,22 @@ TextureNextPow2(Uint32 w)
return n;
}
static Uint32
PixelFormatByteSizeWIIU(Uint32 format)
{
switch (format) {
case SDL_PIXELFORMAT_RGBA4444:
case SDL_PIXELFORMAT_ABGR1555:
case SDL_PIXELFORMAT_RGBA5551:
case SDL_PIXELFORMAT_RGB565:
return 2;
case SDL_PIXELFORMAT_RGBA8888:
default:
return 4;
}
return 4;
}
//TODO: This could return a compMap to support stuff like ARGB or ABGR
static GX2SurfaceFormat
PixelFormatToWIIUFMT(Uint32 format)