21 #include "../../SDL_internal.h"
23 #if !SDL_RENDER_DISABLED
25 #include "../SDL_sysrender.h"
173 renderer->
info = SW_RenderDriver.
info;
218 SDL_SetError(
"Software renderer doesn't have an output surface");
227 Uint32 Rmask, Gmask, Bmask, Amask;
230 (texture->
format, &bpp, &Rmask, &Gmask, &Bmask, &Amask)) {
262 if ((texture->
r & texture->
g & texture->
b) != 255) {
306 src = (
Uint8 *) pixels;
308 rect->
y * surface->
pitch +
330 *pitch = surface->
pitch;
399 renderer->
r, renderer->
g, renderer->
b, renderer->
a);
429 for (i = 0; i <
count; ++
i) {
430 final_points[
i].
x = (int)(x + points[i].x);
431 final_points[
i].
y = (int)(y + points[i].y);
434 for (i = 0; i <
count; ++
i) {
435 final_points[
i].
x = (int)points[i].
x;
436 final_points[
i].
y = (int)points[i].
y;
443 renderer->
r, renderer->
g, renderer->
b,
450 renderer->
r, renderer->
g, renderer->
b,
478 for (i = 0; i <
count; ++
i) {
479 final_points[
i].
x = (int)(x + points[i].x);
480 final_points[
i].
y = (int)(y + points[i].y);
483 for (i = 0; i <
count; ++
i) {
484 final_points[
i].
x = (int)points[i].
x;
485 final_points[
i].
y = (int)points[i].
y;
492 renderer->
r, renderer->
g, renderer->
b,
499 renderer->
r, renderer->
g, renderer->
b,
526 for (i = 0; i <
count; ++
i) {
527 final_rects[
i].
x = (int)(x + rects[i].x);
528 final_rects[
i].
y = (int)(y + rects[i].y);
529 final_rects[
i].
w =
SDL_max((
int)rects[i].
w, 1);
530 final_rects[
i].
h =
SDL_max((
int)rects[i].
h, 1);
533 for (i = 0; i <
count; ++
i) {
534 final_rects[
i].
x = (int)rects[i].
x;
535 final_rects[
i].
y = (int)rects[i].
y;
536 final_rects[
i].
w =
SDL_max((
int)rects[i].
w, 1);
537 final_rects[
i].
h =
SDL_max((
int)rects[i].
h, 1);
543 renderer->
r, renderer->
g, renderer->
b,
549 renderer->
r, renderer->
g, renderer->
b,
570 final_rect.
x = (int)(renderer->
viewport.
x + dstrect->
x);
571 final_rect.y = (int)(renderer->
viewport.
y + dstrect->
y);
573 final_rect.x = (int)dstrect->
x;
574 final_rect.y = (
int)dstrect->
y;
576 final_rect.w = (int)dstrect->
w;
577 final_rect.h = (
int)dstrect->
h;
579 if ( srcrect->
w == final_rect.w && srcrect->
h == final_rect.h ) {
600 int retval = 0, dstwidth, dstheight, abscenterx, abscentery;
601 double cangle, sangle, px, py, p1x, p1y, p2x, p2y, p3x, p3y, p4x, p4y;
603 Uint8 alphaMod, rMod, gMod, bMod;
613 final_rect.
x = (int)(renderer->
viewport.
x + dstrect->
x);
614 final_rect.
y = (int)(renderer->
viewport.
y + dstrect->
y);
616 final_rect.
x = (int)dstrect->
x;
617 final_rect.
y = (
int)dstrect->
y;
619 final_rect.
w = (int)dstrect->
w;
620 final_rect.
h = (
int)dstrect->
h;
622 tmp_rect = final_rect;
639 if (src_clone ==
NULL) {
656 if (!(srcrect->
w == final_rect.
w && srcrect->
h == final_rect.
h && srcrect->
x == 0 && srcrect->
y == 0)) {
661 if (!(srcrect->
w == src->
w && srcrect->
h == src->
h && srcrect->
x == 0 && srcrect->
y == 0)) {
682 0x00ff0000, 0x0000ff00, 0x000000ff, 0xff000000);
693 if (!
retval && (blitRequired || applyModulation)) {
696 0x00ff0000, 0x0000ff00, 0x000000ff, 0xff000000);
697 if (src_scaled ==
NULL) {
703 src_clone = src_scaled;
713 src_rotated =
SDLgfx_rotateSurface(src_clone, angle, dstwidth/2, dstheight/2, (texture->
scaleMode ==
SDL_ScaleModeNearest) ? 0 : 1, flip &
SDL_FLIP_HORIZONTAL, flip &
SDL_FLIP_VERTICAL, dstwidth, dstheight, cangle, sangle);
714 if (src_rotated ==
NULL) {
719 mask_rotated =
SDLgfx_rotateSurface(
mask, angle, dstwidth/2, dstheight/2,
SDL_FALSE, 0, 0, dstwidth, dstheight, cangle, sangle);
720 if (mask_rotated ==
NULL) {
726 abscenterx = final_rect.
x + (int)center->
x;
727 abscentery = final_rect.
y + (
int)center->
y;
732 px = final_rect.
x - abscenterx;
733 py = final_rect.
y - abscentery;
734 p1x = px * cangle - py * sangle + abscenterx;
735 p1y = px * sangle + py * cangle + abscentery;
738 px = final_rect.
x + final_rect.
w - abscenterx;
739 py = final_rect.
y - abscentery;
740 p2x = px * cangle - py * sangle + abscenterx;
741 p2y = px * sangle + py * cangle + abscentery;
744 px = final_rect.
x - abscenterx;
745 py = final_rect.
y + final_rect.
h - abscentery;
746 p3x = px * cangle - py * sangle + abscenterx;
747 p3y = px * sangle + py * cangle + abscentery;
750 px = final_rect.
x + final_rect.
w - abscenterx;
751 py = final_rect.
y + final_rect.
h - abscentery;
752 p4x = px * cangle - py * sangle + abscenterx;
753 p4y = px * sangle + py * cangle + abscentery;
755 tmp_rect.x = (int)
MIN(
MIN(p1x, p2x),
MIN(p3x, p4x));
756 tmp_rect.y = (int)
MIN(
MIN(p1y, p2y),
MIN(p3y, p4y));
757 tmp_rect.w = dstwidth;
758 tmp_rect.h = dstheight;
785 mask_rect = tmp_rect;
795 src_rotated->format->BitsPerPixel, src_rotated->pitch,
796 src_rotated->format->Rmask, src_rotated->format->Gmask,
797 src_rotated->format->Bmask, 0);
798 if (src_rotated_rgb ==
NULL) {
809 if (src_rotated !=
NULL) {
821 if (src_clone !=
NULL) {
843 if (rect->
x < 0 || rect->
x+rect->
w > surface->
w ||
844 rect->
y < 0 || rect->
y+rect->
h > surface->
h) {
845 return SDL_SetError(
"Tried to read outside of surface bounds");
850 rect->
y * surface->
pitch +
854 src_format, src_pixels, surface->
pitch,
855 format, pixels, pitch);
static int SW_SetTextureAlphaMod(SDL_Renderer *renderer, SDL_Texture *texture)
int(* UpdateClipRect)(SDL_Renderer *renderer)
int SDL_DrawLines(SDL_Surface *dst, const SDL_Point *points, int count, Uint32 color)
static int SW_RenderReadPixels(SDL_Renderer *renderer, const SDL_Rect *rect, Uint32 format, void *pixels, int pitch)
#define SDL_UnlockSurface
void(* WindowEvent)(SDL_Renderer *renderer, const SDL_WindowEvent *event)
static int SW_RenderDrawPoints(SDL_Renderer *renderer, const SDL_FPoint *points, int count)
#define SDL_PIXELLAYOUT(X)
GLint GLint GLint GLint GLint x
static int SW_UpdateViewport(SDL_Renderer *renderer)
int(* RenderClear)(SDL_Renderer *renderer)
SDL_BlendMode
The blend mode used in SDL_RenderCopy() and drawing operations.
int(* RenderDrawPoints)(SDL_Renderer *renderer, const SDL_FPoint *points, int count)
GLuint GLuint GLsizei count
int(* SetRenderTarget)(SDL_Renderer *renderer, SDL_Texture *texture)
int(* CreateTexture)(SDL_Renderer *renderer, SDL_Texture *texture)
GLfloat GLfloat GLfloat GLfloat h
The structure that defines a point.
A collection of pixels used in software blitting.
static int SW_SetTextureColorMod(SDL_Renderer *renderer, SDL_Texture *texture)
static int SW_RenderFillRects(SDL_Renderer *renderer, const SDL_FRect *rects, int count)
static int SW_RenderDrawLines(SDL_Renderer *renderer, const SDL_FPoint *points, int count)
GLint GLenum GLsizei GLsizei GLsizei GLint GLsizei const GLvoid * data
void(* UnlockTexture)(SDL_Renderer *renderer, SDL_Texture *texture)
#define SDL_IntersectRect
static int SW_GetOutputSize(SDL_Renderer *renderer, int *w, int *h)
static int SW_RenderCopy(SDL_Renderer *renderer, SDL_Texture *texture, const SDL_Rect *srcrect, const SDL_FRect *dstrect)
#define SDL_CreateRGBSurfaceFrom
GLfixed GLfixed GLint GLint GLfixed points
#define SDL_GetSurfaceBlendMode
SDL_Renderer * SW_CreateRendererForSurface(SDL_Surface *surface)
return Display return Display Bool Bool int int int return Display XEvent Bool(*) XPointer return Display return Display Drawable _Xconst char unsigned int unsigned int return Display Pixmap Pixmap XColor XColor unsigned int unsigned int return Display _Xconst char char int char return Display Visual unsigned int int int char unsigned int unsigned int in i)
GLint GLint GLsizei GLsizei GLsizei GLint GLenum format
#define SDL_UpdateWindowSurface
int SDL_BlendFillRects(SDL_Surface *dst, const SDL_Rect *rects, int count, SDL_BlendMode blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
int(* LockTexture)(SDL_Renderer *renderer, SDL_Texture *texture, const SDL_Rect *rect, void **pixels, int *pitch)
static int SW_SetTextureBlendMode(SDL_Renderer *renderer, SDL_Texture *texture)
GLenum GLenum GLuint texture
SDL_RenderDriver SW_RenderDriver
int(* UpdateTexture)(SDL_Renderer *renderer, SDL_Texture *texture, const SDL_Rect *rect, const void *pixels, int pitch)
static void SW_RenderPresent(SDL_Renderer *renderer)
static void SW_UnlockTexture(SDL_Renderer *renderer, SDL_Texture *texture)
static SDL_Renderer * renderer
#define SDL_SetSurfaceColorMod
#define SDL_stack_alloc(type, count)
int(* RenderDrawLines)(SDL_Renderer *renderer, const SDL_FPoint *points, int count)
static SDL_Surface * SW_ActivateRenderer(SDL_Renderer *renderer)
static int SW_RenderCopyEx(SDL_Renderer *renderer, SDL_Texture *texture, const SDL_Rect *srcrect, const SDL_FRect *dstrect, const double angle, const SDL_FPoint *center, const SDL_RendererFlip flip)
static int SW_CreateTexture(SDL_Renderer *renderer, SDL_Texture *texture)
GLubyte GLubyte GLubyte GLubyte w
static int SW_LockTexture(SDL_Renderer *renderer, SDL_Texture *texture, const SDL_Rect *rect, void **pixels, int *pitch)
static void SW_DestroyRenderer(SDL_Renderer *renderer)
#define SDL_GetWindowSurface
int(* SetTextureColorMod)(SDL_Renderer *renderer, SDL_Texture *texture)
GLint GLint GLint GLint GLint GLint y
int SDL_BlendLines(SDL_Surface *dst, const SDL_Point *points, int count, SDL_BlendMode blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
#define SDL_PixelFormatEnumToMasks
GLint GLint GLsizei GLsizei GLsizei GLint GLenum GLenum const GLvoid * pixels
static int SW_SetRenderTarget(SDL_Renderer *renderer, SDL_Texture *texture)
void(* DestroyTexture)(SDL_Renderer *renderer, SDL_Texture *texture)
int(* RenderCopy)(SDL_Renderer *renderer, SDL_Texture *texture, const SDL_Rect *srcrect, const SDL_FRect *dstrect)
#define SDL_GetSurfaceAlphaMod
static int SW_UpdateTexture(SDL_Renderer *renderer, SDL_Texture *texture, const SDL_Rect *rect, const void *pixels, int pitch)
SDL_RendererFlip
Flip constants for SDL_RenderCopyEx.
#define SDL_SetSurfaceRLE
Window state change event data (event.window.*)
int(* SetTextureBlendMode)(SDL_Renderer *renderer, SDL_Texture *texture)
#define SDL_OutOfMemory()
static int SW_RenderClear(SDL_Renderer *renderer)
int(* GetOutputSize)(SDL_Renderer *renderer, int *w, int *h)
int SDL_DrawPoints(SDL_Surface *dst, const SDL_Point *points, int count, Uint32 color)
int(* RenderReadPixels)(SDL_Renderer *renderer, const SDL_Rect *rect, Uint32 format, void *pixels, int pitch)
#define SDL_CreateRGBSurface
#define SDL_GetSurfaceColorMod
EGLSurface EGLNativeWindowType * window
int(* RenderFillRects)(SDL_Renderer *renderer, const SDL_FRect *rects, int count)
#define SDL_SetSurfaceBlendMode
The type used to identify a window.
static void SW_WindowEvent(SDL_Renderer *renderer, const SDL_WindowEvent *event)
static void SW_DestroyTexture(SDL_Renderer *renderer, SDL_Texture *texture)
static SDL_Renderer * SW_CreateRenderer(SDL_Window *window, Uint32 flags)
static int SW_UpdateClipRect(SDL_Renderer *renderer)
int(* UpdateViewport)(SDL_Renderer *renderer)
#define SDL_ConvertPixels
EGLSurface EGLint * rects
#define SDL_stack_free(data)
int(* RenderCopyEx)(SDL_Renderer *renderer, SDL_Texture *texture, const SDL_Rect *srcquad, const SDL_FRect *dstrect, const double angle, const SDL_FPoint *center, const SDL_RendererFlip flip)
GLuint GLsizei GLsizei * length
void(* RenderPresent)(SDL_Renderer *renderer)
SDL_Surface * SDLgfx_rotateSurface(SDL_Surface *src, double angle, int centerx, int centery, int smooth, int flipx, int flipy, int dstwidth, int dstheight, double cangle, double sangle)
void(* DestroyRenderer)(SDL_Renderer *renderer)
int(* SetTextureAlphaMod)(SDL_Renderer *renderer, SDL_Texture *texture)
int SDL_BlendPoints(SDL_Surface *dst, const SDL_Point *points, int count, SDL_BlendMode blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
void SDLgfx_rotozoomSurfaceSizeTrig(int width, int height, double angle, int *dstwidth, int *dstheight, double *cangle, double *sangle)
#define SDL_SetSurfaceAlphaMod
SDL_bool clipping_enabled
A rectangle, with the origin at the upper left.