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Diffstat (limited to '3rdparty/SDL2/src/render/software/SDL_blendpoint.c')
-rw-r--r--3rdparty/SDL2/src/render/software/SDL_blendpoint.c343
1 files changed, 0 insertions, 343 deletions
diff --git a/3rdparty/SDL2/src/render/software/SDL_blendpoint.c b/3rdparty/SDL2/src/render/software/SDL_blendpoint.c
deleted file mode 100644
index fc42dfe767a..00000000000
--- a/3rdparty/SDL2/src/render/software/SDL_blendpoint.c
+++ /dev/null
@@ -1,343 +0,0 @@
-/*
- Simple DirectMedia Layer
- Copyright (C) 1997-2016 Sam Lantinga <slouken@libsdl.org>
-
- This software is provided 'as-is', without any express or implied
- warranty. In no event will the authors be held liable for any damages
- arising from the use of this software.
-
- Permission is granted to anyone to use this software for any purpose,
- including commercial applications, and to alter it and redistribute it
- freely, subject to the following restrictions:
-
- 1. The origin of this software must not be misrepresented; you must not
- claim that you wrote the original software. If you use this software
- in a product, an acknowledgment in the product documentation would be
- appreciated but is not required.
- 2. Altered source versions must be plainly marked as such, and must not be
- misrepresented as being the original software.
- 3. This notice may not be removed or altered from any source distribution.
-*/
-#include "../../SDL_internal.h"
-
-#if !SDL_RENDER_DISABLED
-
-#include "SDL_draw.h"
-#include "SDL_blendpoint.h"
-
-
-static int
-SDL_BlendPoint_RGB555(SDL_Surface * dst, int x, int y, SDL_BlendMode blendMode, Uint8 r,
- Uint8 g, Uint8 b, Uint8 a)
-{
- unsigned inva = 0xff - a;
-
- switch (blendMode) {
- case SDL_BLENDMODE_BLEND:
- DRAW_SETPIXELXY_BLEND_RGB555(x, y);
- break;
- case SDL_BLENDMODE_ADD:
- DRAW_SETPIXELXY_ADD_RGB555(x, y);
- break;
- case SDL_BLENDMODE_MOD:
- DRAW_SETPIXELXY_MOD_RGB555(x, y);
- break;
- default:
- DRAW_SETPIXELXY_RGB555(x, y);
- break;
- }
- return 0;
-}
-
-static int
-SDL_BlendPoint_RGB565(SDL_Surface * dst, int x, int y, SDL_BlendMode blendMode, Uint8 r,
- Uint8 g, Uint8 b, Uint8 a)
-{
- unsigned inva = 0xff - a;
-
- switch (blendMode) {
- case SDL_BLENDMODE_BLEND:
- DRAW_SETPIXELXY_BLEND_RGB565(x, y);
- break;
- case SDL_BLENDMODE_ADD:
- DRAW_SETPIXELXY_ADD_RGB565(x, y);
- break;
- case SDL_BLENDMODE_MOD:
- DRAW_SETPIXELXY_MOD_RGB565(x, y);
- break;
- default:
- DRAW_SETPIXELXY_RGB565(x, y);
- break;
- }
- return 0;
-}
-
-static int
-SDL_BlendPoint_RGB888(SDL_Surface * dst, int x, int y, SDL_BlendMode blendMode, Uint8 r,
- Uint8 g, Uint8 b, Uint8 a)
-{
- unsigned inva = 0xff - a;
-
- switch (blendMode) {
- case SDL_BLENDMODE_BLEND:
- DRAW_SETPIXELXY_BLEND_RGB888(x, y);
- break;
- case SDL_BLENDMODE_ADD:
- DRAW_SETPIXELXY_ADD_RGB888(x, y);
- break;
- case SDL_BLENDMODE_MOD:
- DRAW_SETPIXELXY_MOD_RGB888(x, y);
- break;
- default:
- DRAW_SETPIXELXY_RGB888(x, y);
- break;
- }
- return 0;
-}
-
-static int
-SDL_BlendPoint_ARGB8888(SDL_Surface * dst, int x, int y, SDL_BlendMode blendMode,
- Uint8 r, Uint8 g, Uint8 b, Uint8 a)
-{
- unsigned inva = 0xff - a;
-
- switch (blendMode) {
- case SDL_BLENDMODE_BLEND:
- DRAW_SETPIXELXY_BLEND_ARGB8888(x, y);
- break;
- case SDL_BLENDMODE_ADD:
- DRAW_SETPIXELXY_ADD_ARGB8888(x, y);
- break;
- case SDL_BLENDMODE_MOD:
- DRAW_SETPIXELXY_MOD_ARGB8888(x, y);
- break;
- default:
- DRAW_SETPIXELXY_ARGB8888(x, y);
- break;
- }
- return 0;
-}
-
-static int
-SDL_BlendPoint_RGB(SDL_Surface * dst, int x, int y, SDL_BlendMode blendMode, Uint8 r,
- Uint8 g, Uint8 b, Uint8 a)
-{
- SDL_PixelFormat *fmt = dst->format;
- unsigned inva = 0xff - a;
-
- switch (fmt->BytesPerPixel) {
- case 2:
- switch (blendMode) {
- case SDL_BLENDMODE_BLEND:
- DRAW_SETPIXELXY2_BLEND_RGB(x, y);
- break;
- case SDL_BLENDMODE_ADD:
- DRAW_SETPIXELXY2_ADD_RGB(x, y);
- break;
- case SDL_BLENDMODE_MOD:
- DRAW_SETPIXELXY2_MOD_RGB(x, y);
- break;
- default:
- DRAW_SETPIXELXY2_RGB(x, y);
- break;
- }
- return 0;
- case 4:
- switch (blendMode) {
- case SDL_BLENDMODE_BLEND:
- DRAW_SETPIXELXY4_BLEND_RGB(x, y);
- break;
- case SDL_BLENDMODE_ADD:
- DRAW_SETPIXELXY4_ADD_RGB(x, y);
- break;
- case SDL_BLENDMODE_MOD:
- DRAW_SETPIXELXY4_MOD_RGB(x, y);
- break;
- default:
- DRAW_SETPIXELXY4_RGB(x, y);
- break;
- }
- return 0;
- default:
- return SDL_Unsupported();
- }
-}
-
-static int
-SDL_BlendPoint_RGBA(SDL_Surface * dst, int x, int y, SDL_BlendMode blendMode, Uint8 r,
- Uint8 g, Uint8 b, Uint8 a)
-{
- SDL_PixelFormat *fmt = dst->format;
- unsigned inva = 0xff - a;
-
- switch (fmt->BytesPerPixel) {
- case 4:
- switch (blendMode) {
- case SDL_BLENDMODE_BLEND:
- DRAW_SETPIXELXY4_BLEND_RGBA(x, y);
- break;
- case SDL_BLENDMODE_ADD:
- DRAW_SETPIXELXY4_ADD_RGBA(x, y);
- break;
- case SDL_BLENDMODE_MOD:
- DRAW_SETPIXELXY4_MOD_RGBA(x, y);
- break;
- default:
- DRAW_SETPIXELXY4_RGBA(x, y);
- break;
- }
- return 0;
- default:
- return SDL_Unsupported();
- }
-}
-
-int
-SDL_BlendPoint(SDL_Surface * dst, int x, int y, SDL_BlendMode blendMode, Uint8 r,
- Uint8 g, Uint8 b, Uint8 a)
-{
- if (!dst) {
- return SDL_SetError("Passed NULL destination surface");
- }
-
- /* This function doesn't work on surfaces < 8 bpp */
- if (dst->format->BitsPerPixel < 8) {
- return SDL_SetError("SDL_BlendPoint(): Unsupported surface format");
- }
-
- /* Perform clipping */
- if (x < dst->clip_rect.x || y < dst->clip_rect.y ||
- x >= (dst->clip_rect.x + dst->clip_rect.w) ||
- y >= (dst->clip_rect.y + dst->clip_rect.h)) {
- return 0;
- }
-
- if (blendMode == SDL_BLENDMODE_BLEND || blendMode == SDL_BLENDMODE_ADD) {
- r = DRAW_MUL(r, a);
- g = DRAW_MUL(g, a);
- b = DRAW_MUL(b, a);
- }
-
- switch (dst->format->BitsPerPixel) {
- case 15:
- switch (dst->format->Rmask) {
- case 0x7C00:
- return SDL_BlendPoint_RGB555(dst, x, y, blendMode, r, g, b, a);
- }
- break;
- case 16:
- switch (dst->format->Rmask) {
- case 0xF800:
- return SDL_BlendPoint_RGB565(dst, x, y, blendMode, r, g, b, a);
- }
- break;
- case 32:
- switch (dst->format->Rmask) {
- case 0x00FF0000:
- if (!dst->format->Amask) {
- return SDL_BlendPoint_RGB888(dst, x, y, blendMode, r, g, b,
- a);
- } else {
- return SDL_BlendPoint_ARGB8888(dst, x, y, blendMode, r, g, b,
- a);
- }
- break;
- }
- break;
- default:
- break;
- }
-
- if (!dst->format->Amask) {
- return SDL_BlendPoint_RGB(dst, x, y, blendMode, r, g, b, a);
- } else {
- return SDL_BlendPoint_RGBA(dst, x, y, blendMode, r, g, b, a);
- }
-}
-
-int
-SDL_BlendPoints(SDL_Surface * dst, const SDL_Point * points, int count,
- SDL_BlendMode blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
-{
- int minx, miny;
- int maxx, maxy;
- int i;
- int x, y;
- int (*func)(SDL_Surface * dst, int x, int y,
- SDL_BlendMode blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a) = NULL;
- int status = 0;
-
- if (!dst) {
- return SDL_SetError("Passed NULL destination surface");
- }
-
- /* This function doesn't work on surfaces < 8 bpp */
- if (dst->format->BitsPerPixel < 8) {
- return SDL_SetError("SDL_BlendPoints(): Unsupported surface format");
- }
-
- if (blendMode == SDL_BLENDMODE_BLEND || blendMode == SDL_BLENDMODE_ADD) {
- r = DRAW_MUL(r, a);
- g = DRAW_MUL(g, a);
- b = DRAW_MUL(b, a);
- }
-
- /* FIXME: Does this function pointer slow things down significantly? */
- switch (dst->format->BitsPerPixel) {
- case 15:
- switch (dst->format->Rmask) {
- case 0x7C00:
- func = SDL_BlendPoint_RGB555;
- break;
- }
- break;
- case 16:
- switch (dst->format->Rmask) {
- case 0xF800:
- func = SDL_BlendPoint_RGB565;
- break;
- }
- break;
- case 32:
- switch (dst->format->Rmask) {
- case 0x00FF0000:
- if (!dst->format->Amask) {
- func = SDL_BlendPoint_RGB888;
- } else {
- func = SDL_BlendPoint_ARGB8888;
- }
- break;
- }
- break;
- default:
- break;
- }
-
- if (!func) {
- if (!dst->format->Amask) {
- func = SDL_BlendPoint_RGB;
- } else {
- func = SDL_BlendPoint_RGBA;
- }
- }
-
- minx = dst->clip_rect.x;
- maxx = dst->clip_rect.x + dst->clip_rect.w - 1;
- miny = dst->clip_rect.y;
- maxy = dst->clip_rect.y + dst->clip_rect.h - 1;
-
- for (i = 0; i < count; ++i) {
- x = points[i].x;
- y = points[i].y;
-
- if (x < minx || x > maxx || y < miny || y > maxy) {
- continue;
- }
- status = func(dst, x, y, blendMode, r, g, b, a);
- }
- return status;
-}
-
-#endif /* !SDL_RENDER_DISABLED */
-
-/* vi: set ts=4 sw=4 expandtab: */