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All 2D operations in Photon driver have been finished. The driver is …
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…ready to use. There fullscreen modes and YUV textures are rest only.
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@llmike
llmike committed Oct 13, 2009
1 parent b388017 commit 1992868
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Showing 3 changed files with 160 additions and 63 deletions.
2 changes: 1 addition & 1 deletion src/video/photon/SDL_photon_keycodes.h
View file
Expand Up @@ -106,7 +106,7 @@

#define PHOTON_SCANCODE_PRNSCR 0x54 /* only key pressed event, no release */
#define PHOTON_SCANCODE_SCROLLLOCK 0x46
#if 0 /* pause doesn't generates a scancode */
#if 0 /* pause doesn't generates a scancode */
#define PHOTON_SCANCODE_PAUSE 0x??
#endif
#define PHOTON_SCANCODE_INSERT 0x52
Expand Down
217 changes: 155 additions & 62 deletions src/video/photon/SDL_photon_render.c
View file
Expand Up @@ -270,7 +270,7 @@ photon_addrenderdriver(_THIS)
}

/****************************************************************************/
/* Render helper functions */
/* Renderer helper functions */
/****************************************************************************/

static int _photon_recreate_surfaces(SDL_Renderer * renderer)
Expand Down Expand Up @@ -577,6 +577,100 @@ int _photon_update_rectangles(SDL_Renderer* renderer, PhRect_t* rect)
}
}

int _photon_set_blending(SDL_Renderer* renderer, uint32_t blendmode, uint32_t globalalpha, uint32_t blendsource)
{
SDL_RenderData *rdata = (SDL_RenderData *) renderer->driverdata;

/* Switch on requested graphics context modifiers */
switch (blendmode)
{
case SDL_BLENDMODE_MASK:
/* Enable and set chroma key */
if (blendsource==SDL_PHOTON_TEXTURE_BLEND)
{
PgSetChromaCx(rdata->gc, PgRGB(255, 255, 255), Pg_CHROMA_SRC_MATCH | Pg_CHROMA_NODRAW);
PgChromaOnCx(rdata->gc);
}
break;
case SDL_BLENDMODE_BLEND:
/* Enable and set chroma key and alpha blending */
if (blendsource==SDL_PHOTON_TEXTURE_BLEND)
{
PgSetChromaCx(rdata->gc, PgRGB(255, 255, 255), Pg_CHROMA_SRC_MATCH | Pg_CHROMA_NODRAW);
PgChromaOnCx(rdata->gc);
}
PgSetAlphaCx(rdata->gc, Pg_ALPHA_OP_SRC_GLOBAL | Pg_BLEND_SRC_As | Pg_BLEND_DST_1mAs, NULL, NULL, globalalpha, 0);
PgAlphaOnCx(rdata->gc);
break;
case SDL_BLENDMODE_ADD:
/* Enable and set chroma key and alpha blending */
if (blendsource==SDL_PHOTON_TEXTURE_BLEND)
{
PgSetChromaCx(rdata->gc, PgRGB(255, 255, 255), Pg_CHROMA_SRC_MATCH | Pg_CHROMA_NODRAW);
PgChromaOnCx(rdata->gc);
}
PgSetAlphaCx(rdata->gc, Pg_ALPHA_OP_SRC_GLOBAL | Pg_BLEND_SRC_As | Pg_BLEND_DST_1, NULL, NULL, globalalpha, 0);
PgAlphaOnCx(rdata->gc);
break;
case SDL_BLENDMODE_MOD:
/* Enable and set alpha blending */
PgSetAlphaCx(rdata->gc, Pg_BLEND_SRC_0 | Pg_BLEND_DST_S, NULL, NULL, 0, 0);
PgAlphaOnCx(rdata->gc);
break;
case SDL_BLENDMODE_NONE:
/* Do nothing */
break;
default:
return -1;
}

return 0;
}

int _photon_reset_blending(SDL_Renderer* renderer, uint32_t blendmode, uint32_t blendsource)
{
SDL_RenderData *rdata = (SDL_RenderData *) renderer->driverdata;

/* Switch off graphics context modifiers */
switch (blendmode)
{
case SDL_BLENDMODE_MASK:
/* Disable chroma key */
if (blendsource==SDL_PHOTON_TEXTURE_BLEND)
{
PgChromaOffCx(rdata->gc);
}
break;
case SDL_BLENDMODE_BLEND:
/* Disable chroma key and alpha blending */
if (blendsource==SDL_PHOTON_TEXTURE_BLEND)
{
PgChromaOffCx(rdata->gc);
}
PgAlphaOffCx(rdata->gc);
break;
case SDL_BLENDMODE_ADD:
/* Disable chroma key and alpha blending */
if (blendsource==SDL_PHOTON_TEXTURE_BLEND)
{
PgChromaOffCx(rdata->gc);
}
PgAlphaOffCx(rdata->gc);
break;
case SDL_BLENDMODE_MOD:
/* Disable chroma key and alpha blending */
PgAlphaOffCx(rdata->gc);
break;
case SDL_BLENDMODE_NONE:
/* Do nothing */
break;
default:
return -1;
}

return 0;
}

/****************************************************************************/
/* SDL render interface */
/****************************************************************************/
Expand Down Expand Up @@ -1069,9 +1163,30 @@ photon_setdrawcolor(SDL_Renderer * renderer)
static int
photon_setdrawblendmode(SDL_Renderer * renderer)
{
/* TODO */
SDL_Unsupported();
return -1;
SDL_RenderData *rdata = (SDL_RenderData *) renderer->driverdata;

/* Check, if it is not initialized */
if (rdata->surfaces_type==SDL_PHOTON_SURFTYPE_UNKNOWN)
{
SDL_SetError("Photon: can't set texture blend mode for OpenGL ES window");
return -1;
}

switch (renderer->blendMode)
{
case SDL_BLENDMODE_NONE:
case SDL_BLENDMODE_MASK:
case SDL_BLENDMODE_BLEND:
case SDL_BLENDMODE_ADD:
case SDL_BLENDMODE_MOD:
return 0;
default:
SDL_Unsupported();
renderer->blendMode = SDL_BLENDMODE_NONE;
return -1;
}

return 0;
}

static int
Expand All @@ -1086,6 +1201,9 @@ photon_renderpoint(SDL_Renderer * renderer, int x, int y)
return -1;
}

/* Enable blending, if requested */
_photon_set_blending(renderer, renderer->blendMode, renderer->a, SDL_PHOTON_DRAW_BLEND);

switch (rdata->surfaces_type)
{
case SDL_PHOTON_SURFTYPE_OFFSCREEN:
Expand All @@ -1099,6 +1217,9 @@ photon_renderpoint(SDL_Renderer * renderer, int x, int y)
break;
}

/* Disable blending, if it was enabled */
_photon_reset_blending(renderer, renderer->blendMode, SDL_PHOTON_DRAW_BLEND);

return 0;
}

Expand All @@ -1114,6 +1235,9 @@ photon_renderline(SDL_Renderer * renderer, int x1, int y1, int x2, int y2)
return -1;
}

/* Enable blending, if requested */
_photon_set_blending(renderer, renderer->blendMode, renderer->a, SDL_PHOTON_DRAW_BLEND);

switch (rdata->surfaces_type)
{
case SDL_PHOTON_SURFTYPE_OFFSCREEN:
Expand All @@ -1127,6 +1251,9 @@ photon_renderline(SDL_Renderer * renderer, int x1, int y1, int x2, int y2)
break;
}

/* Disable blending, if it was enabled */
_photon_reset_blending(renderer, renderer->blendMode, SDL_PHOTON_DRAW_BLEND);

return 0;
}

Expand All @@ -1142,6 +1269,9 @@ photon_renderfill(SDL_Renderer * renderer, const SDL_Rect * rect)
return -1;
}

/* Enable blending, if requested */
_photon_set_blending(renderer, renderer->blendMode, renderer->a, SDL_PHOTON_DRAW_BLEND);

switch (rdata->surfaces_type)
{
case SDL_PHOTON_SURFTYPE_OFFSCREEN:
Expand All @@ -1154,6 +1284,11 @@ photon_renderfill(SDL_Renderer * renderer, const SDL_Rect * rect)
default:
break;
}

/* Disable blending, if it was enabled */
_photon_reset_blending(renderer, renderer->blendMode, SDL_PHOTON_DRAW_BLEND);

return 0;
}

static int
Expand All @@ -1174,38 +1309,7 @@ photon_rendercopy(SDL_Renderer * renderer, SDL_Texture * texture,
return -1;
}

/* Switch on requested graphics context modifiers */
switch(texture->blendMode)
{
case SDL_BLENDMODE_MASK:
/* Enable and set chroma key */
PgSetChromaCx(rdata->gc, PgRGB(255, 255, 255), Pg_CHROMA_SRC_MATCH | Pg_CHROMA_NODRAW);
PgChromaOnCx(rdata->gc);
break;
case SDL_BLENDMODE_BLEND:
/* Enable and set chroma key and alpha blending */
PgSetChromaCx(rdata->gc, PgRGB(255, 255, 255), Pg_CHROMA_SRC_MATCH | Pg_CHROMA_NODRAW);
PgChromaOnCx(rdata->gc);
PgSetAlphaCx(rdata->gc, Pg_ALPHA_OP_SRC_GLOBAL | Pg_BLEND_SRC_As | Pg_BLEND_DST_1mAs, NULL, NULL, texture->a, 0);
PgAlphaOnCx(rdata->gc);
break;
case SDL_BLENDMODE_ADD:
/* Enable and set chroma key and alpha blending */
PgSetChromaCx(rdata->gc, PgRGB(255, 255, 255), Pg_CHROMA_SRC_MATCH | Pg_CHROMA_NODRAW);
PgChromaOnCx(rdata->gc);
PgSetAlphaCx(rdata->gc, Pg_ALPHA_OP_SRC_GLOBAL | Pg_BLEND_SRC_As | Pg_BLEND_DST_1, NULL, NULL, texture->a, 0);
PgAlphaOnCx(rdata->gc);
break;
case SDL_BLENDMODE_MOD:
/* Enable and set alpha blending */
PgSetAlphaCx(rdata->gc, Pg_BLEND_SRC_0 | Pg_BLEND_DST_S, NULL, NULL, 0, 0);
PgAlphaOnCx(rdata->gc);
break;
case SDL_BLENDMODE_NONE:
default:
/* Do nothing */
break;
}
_photon_set_blending(renderer, texture->blendMode, texture->a, SDL_PHOTON_TEXTURE_BLEND);

/* Set source blit area */
src_rect.ul.x = srcrect->x;
Expand Down Expand Up @@ -1263,32 +1367,7 @@ photon_rendercopy(SDL_Renderer * renderer, SDL_Texture * texture,
break;
}

/* Switch off graphics context modifiers */
switch(texture->blendMode)
{
case SDL_BLENDMODE_MASK:
/* Disable chroma key */
PgChromaOffCx(rdata->gc);
break;
case SDL_BLENDMODE_BLEND:
/* Disable chroma key and alpha blending */
PgChromaOffCx(rdata->gc);
PgAlphaOffCx(rdata->gc);
break;
case SDL_BLENDMODE_ADD:
/* Disable chroma key and alpha blending */
PgChromaOffCx(rdata->gc);
PgAlphaOffCx(rdata->gc);
break;
case SDL_BLENDMODE_MOD:
/* Disable chroma key and alpha blending */
PgAlphaOffCx(rdata->gc);
break;
case SDL_BLENDMODE_NONE:
default:
/* Do nothing */
break;
}
_photon_reset_blending(renderer, texture->blendMode, SDL_PHOTON_TEXTURE_BLEND);

return 0;
}
Expand Down Expand Up @@ -1352,6 +1431,20 @@ photon_renderpresent(SDL_Renderer * renderer)
/* finish blit */
PgFFlush(Ph_DONE_DRAW);
PgWaitHWIdle();

/* Check if we are using double buffering */
if ((renderer->info.flags & SDL_RENDERER_PRESENTFLIP2) == SDL_RENDERER_PRESENTFLIP2)
{
rdata->surface_visible_idx=rdata->surface_render_idx;
rdata->surface_render_idx=(rdata->surface_render_idx + 1) % 2;
}

/* Check if we are using triple buffering */
if ((renderer->info.flags & SDL_RENDERER_PRESENTFLIP3) == SDL_RENDERER_PRESENTFLIP3)
{
rdata->surface_visible_idx=rdata->surface_render_idx;
rdata->surface_render_idx=(rdata->surface_render_idx + 1) % 3;
}
}

static void
Expand Down
4 changes: 4 additions & 0 deletions src/video/photon/SDL_photon_render.h
View file
Expand Up @@ -38,6 +38,10 @@
#define SDL_PHOTON_SURFTYPE_OFFSCREEN 0x00000001
#define SDL_PHOTON_SURFTYPE_PHIMAGE 0x00000002

#define SDL_PHOTON_UNKNOWN_BLEND 0x00000000
#define SDL_PHOTON_DRAW_BLEND 0x00000001
#define SDL_PHOTON_TEXTURE_BLEND 0x00000002

typedef struct SDL_RenderData
{
SDL_bool enable_vsync; /* VSYNC flip synchronization enable */
Expand Down

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