summaryrefslogtreecommitdiff
path: root/Source/3rdParty/SDL2/src/video/SDL_fillrect.c
diff options
context:
space:
mode:
Diffstat (limited to 'Source/3rdParty/SDL2/src/video/SDL_fillrect.c')
-rw-r--r--Source/3rdParty/SDL2/src/video/SDL_fillrect.c343
1 files changed, 0 insertions, 343 deletions
diff --git a/Source/3rdParty/SDL2/src/video/SDL_fillrect.c b/Source/3rdParty/SDL2/src/video/SDL_fillrect.c
deleted file mode 100644
index 63f5fcb..0000000
--- a/Source/3rdParty/SDL2/src/video/SDL_fillrect.c
+++ /dev/null
@@ -1,343 +0,0 @@
-/*
- Simple DirectMedia Layer
- Copyright (C) 1997-2018 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"
-
-#include "SDL_video.h"
-#include "SDL_blit.h"
-
-
-#ifdef __SSE__
-/* *INDENT-OFF* */
-
-#ifdef _MSC_VER
-#define SSE_BEGIN \
- __m128 c128; \
- c128.m128_u32[0] = color; \
- c128.m128_u32[1] = color; \
- c128.m128_u32[2] = color; \
- c128.m128_u32[3] = color;
-#else
-#define SSE_BEGIN \
- __m128 c128; \
- DECLARE_ALIGNED(Uint32, cccc[4], 16); \
- cccc[0] = color; \
- cccc[1] = color; \
- cccc[2] = color; \
- cccc[3] = color; \
- c128 = *(__m128 *)cccc;
-#endif
-
-#define SSE_WORK \
- for (i = n / 64; i--;) { \
- _mm_stream_ps((float *)(p+0), c128); \
- _mm_stream_ps((float *)(p+16), c128); \
- _mm_stream_ps((float *)(p+32), c128); \
- _mm_stream_ps((float *)(p+48), c128); \
- p += 64; \
- }
-
-#define SSE_END
-
-#define DEFINE_SSE_FILLRECT(bpp, type) \
-static void \
-SDL_FillRect##bpp##SSE(Uint8 *pixels, int pitch, Uint32 color, int w, int h) \
-{ \
- int i, n; \
- Uint8 *p = NULL; \
- \
- SSE_BEGIN; \
- \
- while (h--) { \
- n = w * bpp; \
- p = pixels; \
- \
- if (n > 63) { \
- int adjust = 16 - ((uintptr_t)p & 15); \
- if (adjust < 16) { \
- n -= adjust; \
- adjust /= bpp; \
- while (adjust--) { \
- *((type *)p) = (type)color; \
- p += bpp; \
- } \
- } \
- SSE_WORK; \
- } \
- if (n & 63) { \
- int remainder = (n & 63); \
- remainder /= bpp; \
- while (remainder--) { \
- *((type *)p) = (type)color; \
- p += bpp; \
- } \
- } \
- pixels += pitch; \
- } \
- \
- SSE_END; \
-}
-
-static void
-SDL_FillRect1SSE(Uint8 *pixels, int pitch, Uint32 color, int w, int h)
-{
- int i, n;
-
- SSE_BEGIN;
- while (h--) {
- Uint8 *p = pixels;
- n = w;
-
- if (n > 63) {
- int adjust = 16 - ((uintptr_t)p & 15);
- if (adjust) {
- n -= adjust;
- SDL_memset(p, color, adjust);
- p += adjust;
- }
- SSE_WORK;
- }
- if (n & 63) {
- int remainder = (n & 63);
- SDL_memset(p, color, remainder);
- }
- pixels += pitch;
- }
-
- SSE_END;
-}
-/* DEFINE_SSE_FILLRECT(1, Uint8) */
-DEFINE_SSE_FILLRECT(2, Uint16)
-DEFINE_SSE_FILLRECT(4, Uint32)
-
-/* *INDENT-ON* */
-#endif /* __SSE__ */
-
-static void
-SDL_FillRect1(Uint8 * pixels, int pitch, Uint32 color, int w, int h)
-{
- int n;
- Uint8 *p = NULL;
-
- while (h--) {
- n = w;
- p = pixels;
-
- if (n > 3) {
- switch ((uintptr_t) p & 3) {
- case 1:
- *p++ = (Uint8) color;
- --n; /* fallthrough */
- case 2:
- *p++ = (Uint8) color;
- --n; /* fallthrough */
- case 3:
- *p++ = (Uint8) color;
- --n; /* fallthrough */
- }
- SDL_memset4(p, color, (n >> 2));
- }
- if (n & 3) {
- p += (n & ~3);
- switch (n & 3) {
- case 3:
- *p++ = (Uint8) color; /* fallthrough */
- case 2:
- *p++ = (Uint8) color; /* fallthrough */
- case 1:
- *p++ = (Uint8) color; /* fallthrough */
- }
- }
- pixels += pitch;
- }
-}
-
-static void
-SDL_FillRect2(Uint8 * pixels, int pitch, Uint32 color, int w, int h)
-{
- int n;
- Uint16 *p = NULL;
-
- while (h--) {
- n = w;
- p = (Uint16 *) pixels;
-
- if (n > 1) {
- if ((uintptr_t) p & 2) {
- *p++ = (Uint16) color;
- --n;
- }
- SDL_memset4(p, color, (n >> 1));
- }
- if (n & 1) {
- p[n - 1] = (Uint16) color;
- }
- pixels += pitch;
- }
-}
-
-static void
-SDL_FillRect3(Uint8 * pixels, int pitch, Uint32 color, int w, int h)
-{
-#if SDL_BYTEORDER == SDL_LIL_ENDIAN
- Uint8 b1 = (Uint8) (color & 0xFF);
- Uint8 b2 = (Uint8) ((color >> 8) & 0xFF);
- Uint8 b3 = (Uint8) ((color >> 16) & 0xFF);
-#elif SDL_BYTEORDER == SDL_BIG_ENDIAN
- Uint8 b1 = (Uint8) ((color >> 16) & 0xFF);
- Uint8 b2 = (Uint8) ((color >> 8) & 0xFF);
- Uint8 b3 = (Uint8) (color & 0xFF);
-#endif
- int n;
- Uint8 *p = NULL;
-
- while (h--) {
- n = w;
- p = pixels;
-
- while (n--) {
- *p++ = b1;
- *p++ = b2;
- *p++ = b3;
- }
- pixels += pitch;
- }
-}
-
-static void
-SDL_FillRect4(Uint8 * pixels, int pitch, Uint32 color, int w, int h)
-{
- while (h--) {
- SDL_memset4(pixels, color, w);
- pixels += pitch;
- }
-}
-
-/*
- * This function performs a fast fill of the given rectangle with 'color'
- */
-int
-SDL_FillRect(SDL_Surface * dst, const SDL_Rect * rect, Uint32 color)
-{
- SDL_Rect clipped;
- Uint8 *pixels;
-
- 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_FillRect(): Unsupported surface format");
- }
-
- /* If 'rect' == NULL, then fill the whole surface */
- if (rect) {
- /* Perform clipping */
- if (!SDL_IntersectRect(rect, &dst->clip_rect, &clipped)) {
- return 0;
- }
- rect = &clipped;
- } else {
- rect = &dst->clip_rect;
- /* Don't attempt to fill if the surface's clip_rect is empty */
- if (SDL_RectEmpty(rect)) {
- return 0;
- }
- }
-
- /* Perform software fill */
- if (!dst->pixels) {
- return SDL_SetError("SDL_FillRect(): You must lock the surface");
- }
-
- pixels = (Uint8 *) dst->pixels + rect->y * dst->pitch +
- rect->x * dst->format->BytesPerPixel;
-
- switch (dst->format->BytesPerPixel) {
- case 1:
- {
- color |= (color << 8);
- color |= (color << 16);
-#ifdef __SSE__
- if (SDL_HasSSE()) {
- SDL_FillRect1SSE(pixels, dst->pitch, color, rect->w, rect->h);
- break;
- }
-#endif
- SDL_FillRect1(pixels, dst->pitch, color, rect->w, rect->h);
- break;
- }
-
- case 2:
- {
- color |= (color << 16);
-#ifdef __SSE__
- if (SDL_HasSSE()) {
- SDL_FillRect2SSE(pixels, dst->pitch, color, rect->w, rect->h);
- break;
- }
-#endif
- SDL_FillRect2(pixels, dst->pitch, color, rect->w, rect->h);
- break;
- }
-
- case 3:
- /* 24-bit RGB is a slow path, at least for now. */
- {
- SDL_FillRect3(pixels, dst->pitch, color, rect->w, rect->h);
- break;
- }
-
- case 4:
- {
-#ifdef __SSE__
- if (SDL_HasSSE()) {
- SDL_FillRect4SSE(pixels, dst->pitch, color, rect->w, rect->h);
- break;
- }
-#endif
- SDL_FillRect4(pixels, dst->pitch, color, rect->w, rect->h);
- break;
- }
- }
-
- /* We're done! */
- return 0;
-}
-
-int
-SDL_FillRects(SDL_Surface * dst, const SDL_Rect * rects, int count,
- Uint32 color)
-{
- int i;
- int status = 0;
-
- if (!rects) {
- return SDL_SetError("SDL_FillRects() passed NULL rects");
- }
-
- for (i = 0; i < count; ++i) {
- status += SDL_FillRect(dst, &rects[i], color);
- }
- return status;
-}
-
-/* vi: set ts=4 sw=4 expandtab: */