SDL  2.0
SDL_render_sw_c.h File Reference
+ This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Functions

SDL_RendererSW_CreateRendererForSurface (SDL_Surface *surface)
 

Function Documentation

◆ SW_CreateRendererForSurface()

SDL_Renderer* SW_CreateRendererForSurface ( SDL_Surface surface)

Definition at line 126 of file SDL_render_sw.c.

References SDL_Renderer::CreateTexture, SDL_Renderer::DestroyRenderer, SDL_Renderer::DestroyTexture, SDL_Renderer::driverdata, SDL_Renderer::GetOutputSize, SDL_Renderer::info, SDL_RenderDriver::info, SDL_Renderer::LockTexture, NULL, SDL_Renderer::RenderClear, SDL_Renderer::RenderCopy, SDL_Renderer::RenderCopyEx, SDL_Renderer::RenderDrawLines, SDL_Renderer::RenderDrawPoints, renderer, SDL_Renderer::RenderFillRects, SDL_Renderer::RenderPresent, SDL_Renderer::RenderReadPixels, SDL_calloc, SDL_OutOfMemory, SDL_SetError, SDL_Renderer::SetRenderTarget, SDL_Renderer::SetTextureAlphaMod, SDL_Renderer::SetTextureBlendMode, SDL_Renderer::SetTextureColorMod, SW_RenderData::surface, SW_ActivateRenderer(), SW_CreateTexture(), SW_DestroyRenderer(), SW_DestroyTexture(), SW_GetOutputSize(), SW_LockTexture(), SW_RenderClear(), SW_RenderCopy(), SW_RenderCopyEx(), SW_RenderDrawLines(), SW_RenderDrawPoints(), SW_RenderFillRects(), SW_RenderPresent(), SW_RenderReadPixels(), SW_SetRenderTarget(), SW_SetTextureAlphaMod(), SW_SetTextureBlendMode(), SW_SetTextureColorMod(), SW_UnlockTexture(), SW_UpdateClipRect(), SW_UpdateTexture(), SW_UpdateViewport(), SW_WindowEvent(), SDL_Renderer::UnlockTexture, SDL_Renderer::UpdateClipRect, SDL_Renderer::UpdateTexture, SDL_Renderer::UpdateViewport, SW_RenderData::window, and SDL_Renderer::WindowEvent.

Referenced by SDL_CreateSoftwareRenderer(), and SW_CreateRenderer().

127 {
130 
131  if (!surface) {
132  SDL_SetError("Can't create renderer for NULL surface");
133  return NULL;
134  }
135 
136  renderer = (SDL_Renderer *) SDL_calloc(1, sizeof(*renderer));
137  if (!renderer) {
138  SDL_OutOfMemory();
139  return NULL;
140  }
141 
142  data = (SW_RenderData *) SDL_calloc(1, sizeof(*data));
143  if (!data) {
144  SW_DestroyRenderer(renderer);
145  SDL_OutOfMemory();
146  return NULL;
147  }
148  data->surface = surface;
149  data->window = surface;
150 
151  renderer->WindowEvent = SW_WindowEvent;
152  renderer->GetOutputSize = SW_GetOutputSize;
153  renderer->CreateTexture = SW_CreateTexture;
157  renderer->UpdateTexture = SW_UpdateTexture;
158  renderer->LockTexture = SW_LockTexture;
159  renderer->UnlockTexture = SW_UnlockTexture;
161  renderer->UpdateViewport = SW_UpdateViewport;
162  renderer->UpdateClipRect = SW_UpdateClipRect;
163  renderer->RenderClear = SW_RenderClear;
167  renderer->RenderCopy = SW_RenderCopy;
168  renderer->RenderCopyEx = SW_RenderCopyEx;
170  renderer->RenderPresent = SW_RenderPresent;
171  renderer->DestroyTexture = SW_DestroyTexture;
173  renderer->info = SW_RenderDriver.info;
174  renderer->driverdata = data;
175 
176  SW_ActivateRenderer(renderer);
177 
178  return renderer;
179 }
static int SW_SetTextureAlphaMod(SDL_Renderer *renderer, SDL_Texture *texture)
int(* RenderDrawLines)(SDL_Renderer *renderer, const SDL_FPoint *points, int count)
int(* RenderDrawPoints)(SDL_Renderer *renderer, const SDL_FPoint *points, int count)
int(* LockTexture)(SDL_Renderer *renderer, SDL_Texture *texture, const SDL_Rect *rect, void **pixels, int *pitch)
Definition: SDL_sysrender.h:98
static int SW_RenderReadPixels(SDL_Renderer *renderer, const SDL_Rect *rect, Uint32 format, void *pixels, int pitch)
int(* RenderReadPixels)(SDL_Renderer *renderer, const SDL_Rect *rect, Uint32 format, void *pixels, int pitch)
static int SW_RenderDrawPoints(SDL_Renderer *renderer, const SDL_FPoint *points, int count)
SDL_RendererInfo info
static int SW_UpdateViewport(SDL_Renderer *renderer)
void * driverdata
EGLSurface surface
Definition: eglext.h:248
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
Definition: SDL_opengl.h:1974
int(* RenderFillRects)(SDL_Renderer *renderer, const SDL_FRect *rects, int count)
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)
SDL_RendererInfo info
int(* RenderClear)(SDL_Renderer *renderer)
void(* DestroyRenderer)(SDL_Renderer *renderer)
int(* GetOutputSize)(SDL_Renderer *renderer, int *w, int *h)
Definition: SDL_sysrender.h:81
int(* SetTextureBlendMode)(SDL_Renderer *renderer, SDL_Texture *texture)
Definition: SDL_sysrender.h:88
int(* UpdateTexture)(SDL_Renderer *renderer, SDL_Texture *texture, const SDL_Rect *rect, const void *pixels, int pitch)
Definition: SDL_sysrender.h:90
static int SW_SetTextureBlendMode(SDL_Renderer *renderer, SDL_Texture *texture)
int(* SetTextureColorMod)(SDL_Renderer *renderer, SDL_Texture *texture)
Definition: SDL_sysrender.h:84
SDL_RenderDriver SW_RenderDriver
Definition: SDL_render_sw.c:78
SDL_Surface * surface
static void SW_RenderPresent(SDL_Renderer *renderer)
static void SW_UnlockTexture(SDL_Renderer *renderer, SDL_Texture *texture)
static SDL_Renderer * renderer
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)
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)
void(* UnlockTexture)(SDL_Renderer *renderer, SDL_Texture *texture)
int(* SetRenderTarget)(SDL_Renderer *renderer, SDL_Texture *texture)
int(* UpdateViewport)(SDL_Renderer *renderer)
static int SW_SetRenderTarget(SDL_Renderer *renderer, SDL_Texture *texture)
static int SW_UpdateTexture(SDL_Renderer *renderer, SDL_Texture *texture, const SDL_Rect *rect, const void *pixels, int pitch)
int(* RenderCopy)(SDL_Renderer *renderer, SDL_Texture *texture, const SDL_Rect *srcrect, const SDL_FRect *dstrect)
#define NULL
Definition: begin_code.h:164
#define SDL_OutOfMemory()
Definition: SDL_error.h:52
static int SW_RenderClear(SDL_Renderer *renderer)
#define SDL_SetError
SDL_Surface * window
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)
#define SDL_calloc
int(* SetTextureAlphaMod)(SDL_Renderer *renderer, SDL_Texture *texture)
Definition: SDL_sysrender.h:86
static void SW_WindowEvent(SDL_Renderer *renderer, const SDL_WindowEvent *event)
static void SW_DestroyTexture(SDL_Renderer *renderer, SDL_Texture *texture)
void(* WindowEvent)(SDL_Renderer *renderer, const SDL_WindowEvent *event)
Definition: SDL_sysrender.h:80
static int SW_UpdateClipRect(SDL_Renderer *renderer)
void(* DestroyTexture)(SDL_Renderer *renderer, SDL_Texture *texture)
int(* CreateTexture)(SDL_Renderer *renderer, SDL_Texture *texture)
Definition: SDL_sysrender.h:83
void(* RenderPresent)(SDL_Renderer *renderer)
int(* UpdateClipRect)(SDL_Renderer *renderer)