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Implementing Clear command and texture Update

This commit is contained in:
Francisco Javier Trujillo Mata 2022-06-23 23:45:04 +02:00 committed by Sam Lantinga
parent c472b8dd45
commit f1699ce735
1 changed files with 58 additions and 10 deletions
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68
src/render/ps2/SDL_render_ps2.c
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@ -128,16 +128,40 @@ PS2_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture)
}
static int
PS2_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * rect, const void *pixels, int pitch)
PS2_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * rect, void **pixels, int *pitch)
{
GSTEXTURE *ps2_texture = (GSTEXTURE *) texture->driverdata;
*pixels =
(void *) ((Uint8 *) ps2_texture->Mem + rect->y * ps2_texture->Width * SDL_BYTESPERPIXEL(texture->format) +
rect->x * SDL_BYTESPERPIXEL(texture->format));
*pitch = ps2_texture->Width * SDL_BYTESPERPIXEL(texture->format);
return 0;
}
static int
PS2_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * rect, void **pixels, int *pitch)
PS2_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * rect, const void *pixels, int pitch)
{
/* PSP_TextureData *psp_texture = (PSP_TextureData *) texture->driverdata; */
const Uint8 *src;
Uint8 *dst;
int row, length,dpitch;
src = pixels;
PS2_LockTexture(renderer, texture, rect, (void **)&dst, &dpitch);
length = rect->w * SDL_BYTESPERPIXEL(texture->format);
if (length == pitch && length == dpitch) {
SDL_memcpy(dst, src, length*rect->h);
} else {
for (row = 0; row < rect->h; ++row) {
SDL_memcpy(dst, src, length);
src += pitch;
dst += dpitch;
}
}
return 0;
}
@ -207,9 +231,36 @@ PS2_QueueGeometry(SDL_Renderer *renderer, SDL_RenderCommand *cmd, SDL_Texture *t
return 0;
}
static int
PS2_RenderClear(SDL_Renderer *renderer, SDL_RenderCommand *cmd)
{
int colorR, colorG, colorB, colorA;
PS2_RenderData *data = (PS2_RenderData *)renderer->driverdata;
colorR = (cmd->data.color.r) >> 1;
colorG = (cmd->data.color.g) >> 1;
colorB = (cmd->data.color.b) >> 1;
colorA = (cmd->data.color.a) >> 1;
gsKit_clear(data->gsGlobal, GS_SETREG_RGBAQ(colorR, colorG, colorB, colorA, 0x00));
return 0;
}
static int
PS2_RunCommandQueue(SDL_Renderer * renderer, SDL_RenderCommand *cmd, void *vertices, size_t vertsize)
{
while (cmd) {
switch (cmd->command) {
case SDL_RENDERCMD_CLEAR: {
PS2_RenderClear(renderer, cmd);
break;
}
default:
break;
}
cmd = cmd->next;
}
return 0;
}
@ -223,12 +274,8 @@ PS2_RenderReadPixels(SDL_Renderer * renderer, const SDL_Rect * rect,
static void
PS2_RenderPresent(SDL_Renderer * renderer)
{
SDL_Window *window = renderer->window;
PS2_RenderData *data = (PS2_RenderData *) renderer->driverdata;
if (window) {
SDL_UpdateWindowSurface(window);
}
if (data->gsGlobal->DoubleBuffering == GS_SETTING_OFF) {
if (data->vsync)
gsKit_sync(data->gsGlobal);
@ -241,6 +288,7 @@ PS2_RenderPresent(SDL_Renderer * renderer)
gsKit_flip(data->gsGlobal);
}
gsKit_TexManager_nextFrame(data->gsGlobal);
gsKit_clear(data->gsGlobal, GS_BLACK);
}
static void
@ -254,7 +302,7 @@ PS2_DestroyTexture(SDL_Renderer * renderer, SDL_Texture * texture)
static void
PS2_DestroyRenderer(SDL_Renderer * renderer)
{
PS2_RenderData *data = (PS2_RenderData *) renderer->driverdata;
PS2_RenderData *data = (PS2_RenderData *)renderer->driverdata;
if (data) {
gsKit_clear(data->gsGlobal, GS_BLACK);
@ -274,7 +322,7 @@ PS2_DestroyRenderer(SDL_Renderer * renderer)
static int
PS2_SetVSync(SDL_Renderer * renderer, const int vsync)
{
PS2_RenderData *data = renderer->driverdata;
PS2_RenderData *data = (PS2_RenderData *)renderer->driverdata;
data->vsync = vsync;
return 0;
}