21 #include "../SDL_internal.h" 33 #define SDL_WINDOWRENDERDATA "_SDL_WindowRenderData" 35 #define CHECK_RENDERER_MAGIC(renderer, retval) \ 36 if (!renderer || renderer->magic != &renderer_magic) { \ 37 SDL_SetError("Invalid renderer"); \ 41 #define CHECK_TEXTURE_MAGIC(texture, retval) \ 42 if (!texture || texture->magic != &texture_magic) { \ 43 SDL_SetError("Invalid texture"); \ 48 #if !SDL_RENDER_DISABLED 50 #if SDL_VIDEO_RENDER_D3D 53 #if SDL_VIDEO_RENDER_D3D11 56 #if SDL_VIDEO_RENDER_OGL 59 #if SDL_VIDEO_RENDER_OGL_ES2 62 #if SDL_VIDEO_RENDER_OGL_ES 65 #if SDL_VIDEO_RENDER_DIRECTFB 66 &DirectFB_RenderDriver,
68 #if SDL_VIDEO_RENDER_PSP 83 #if !SDL_RENDER_DISABLED 93 #if !SDL_RENDER_DISABLED 95 return SDL_SetError(
"index must be in the range of 0 - %d",
101 return SDL_SetError(
"SDL not built with rendering support");
112 if (window == renderer->
window) {
173 event->motion.x = (int)(event->
motion.
x / renderer->
scale.
x);
174 event->motion.y = (int)(event->
motion.
y / renderer->
scale.
y);
192 event->button.x = (int)(event->
button.
x / renderer->
scale.
x);
193 event->button.y = (int)(event->
button.
y / renderer->
scale.
y);
205 width, height, window_flags);
222 #if !SDL_RENDER_DISABLED 233 SDL_SetError(
"Renderer already associated with window");
248 for (index = 0; index <
n; ++
index) {
260 for (index = 0; index <
n; ++
index) {
263 if ((driver->
info.
flags & flags) == flags) {
279 SDL_SetError(
"index must be -1 or in the range of 0 - %d",
306 "Created renderer: %s", renderer->
info.
name);
318 #if !SDL_RENDER_DISABLED 348 *info = renderer->
info;
361 }
else if (renderer->
window) {
366 return SDL_SetError(
"Renderer doesn't support querying output size");
427 if (w <= 0 || h <= 0) {
515 SDL_SetError(
"SDL_CreateTextureFromSurface() passed NULL surface");
536 surface->
w, surface->
h);
598 *format = texture->
format;
601 *access = texture->
access;
620 if (r < 255 || g < 255 || b < 255) {
720 const void *
pixels,
int pitch)
731 full_rect.
w = texture->
w;
732 full_rect.
h = texture->
h;
740 if (
SDL_LockTexture(native, rect, &native_pixels, &native_pitch) < 0) {
744 rect->
w, rect->
h, native_pixels, native_pitch);
757 rect->
w, rect->
h, temp_pixels, temp_pitch);
766 const void *
pixels,
int pitch)
775 if (
SDL_LockTexture(native, rect, &native_pixels, &native_pitch) < 0) {
779 texture->
format, pixels, pitch,
780 native->
format, native_pixels, native_pitch);
793 texture->
format, pixels, pitch,
794 native->
format, temp_pixels, temp_pitch);
803 const void *
pixels,
int pitch)
820 full_rect.
w = texture->
w;
821 full_rect.
h = texture->
h;
825 if ((rect->
w == 0) || (rect->
h == 0)) {
827 }
else if (texture->
yuv) {
829 }
else if (texture->
native) {
833 return renderer->
UpdateTexture(renderer, texture, rect, pixels, pitch);
839 const Uint8 *Yplane,
int Ypitch,
840 const Uint8 *Uplane,
int Upitch,
841 const Uint8 *Vplane,
int Vpitch)
852 full_rect.
w = texture->
w;
853 full_rect.
h = texture->
h;
861 if (
SDL_LockTexture(native, rect, &native_pixels, &native_pitch) < 0) {
865 rect->
w, rect->
h, native_pixels, native_pitch);
878 rect->
w, rect->
h, temp_pixels, temp_pitch);
886 const Uint8 *Yplane,
int Ypitch,
887 const Uint8 *Uplane,
int Upitch,
888 const Uint8 *Vplane,
int Vpitch)
916 return SDL_SetError(
"Texture format must by YV12 or IYUV");
922 full_rect.
w = texture->
w;
923 full_rect.
h = texture->
h;
934 return renderer->
UpdateTextureYUV(renderer, texture, rect, Yplane, Ypitch, Uplane, Upitch, Vplane, Vpitch);
943 void **
pixels,
int *pitch)
950 void **
pixels,
int *pitch)
954 rect->
y * texture->
pitch +
956 *pitch = texture->
pitch;
962 void **
pixels,
int *pitch)
970 return SDL_SetError(
"SDL_LockTexture(): texture must be streaming");
976 full_rect.
w = texture->
w;
977 full_rect.
h = texture->
h;
983 }
else if (texture->
native) {
987 return renderer->
LockTexture(renderer, texture, rect, pixels, pitch);
995 void *native_pixels =
NULL;
996 int native_pitch = 0;
1001 rect.
w = texture->
w;
1002 rect.
h = texture->
h;
1004 if (
SDL_LockTexture(native, &rect, &native_pixels, &native_pitch) < 0) {
1008 rect.
w, rect.
h, native_pixels, native_pitch);
1016 void *native_pixels =
NULL;
1017 int native_pitch = 0;
1020 rect->
y * texture->
pitch +
1022 int pitch = texture->
pitch;
1024 if (
SDL_LockTexture(native, rect, &native_pixels, &native_pitch) < 0) {
1028 texture->
format, pixels, pitch,
1029 native->
format, native_pixels, native_pitch);
1045 }
else if (texture->
native) {
1068 if (texture == renderer->
target) {
1076 if (renderer != texture->
renderer) {
1077 return SDL_SetError(
"Texture was not created with this renderer");
1080 return SDL_SetError(
"Texture not created with SDL_TEXTUREACCESS_TARGET");
1084 texture = texture->
native;
1088 if (texture && !renderer->
target) {
1110 renderer->
scale.
x = 1.0f;
1111 renderer->
scale.
y = 1.0f;
1156 real_aspect = (
float)w /
h;
1162 if (want_aspect > real_aspect) {
1163 scale = (float)(w / renderer->
logical_w);
1168 viewport.
x = (w - viewport.
w) / 2;
1170 viewport.
y = (
h - viewport.
h) / 2;
1173 }
else if (
SDL_fabs(want_aspect-real_aspect) < 0.0001) {
1177 }
else if (want_aspect > real_aspect) {
1183 viewport.
y = (
h - viewport.
h) / 2;
1191 viewport.
x = (w - viewport.
w) / 2;
1328 renderer->
scale.
x = scaleX;
1329 renderer->
scale.
y = scaleY;
1339 *scaleX = renderer->
scale.
x;
1342 *scaleY = renderer->
scale.
y;
1432 for (i = 0; i <
count; ++
i) {
1433 frects[
i].
x = points[
i].
x * renderer->
scale.
x;
1434 frects[
i].
y = points[
i].
y * renderer->
scale.
y;
1457 return SDL_SetError(
"SDL_RenderDrawPoints(): Passed NULL points");
1468 if (renderer->
scale.
x != 1.0f || renderer->
scale.
y != 1.0f) {
1476 for (i = 0; i <
count; ++
i) {
1477 fpoints[
i].
x = points[
i].
x * renderer->
scale.
x;
1478 fpoints[
i].
y = points[
i].
y * renderer->
scale.
y;
1517 for (i = 0; i < count-1; ++
i) {
1518 if (points[i].
x == points[i+1].
x) {
1519 int minY =
SDL_min(points[i].
y, points[i+1].y);
1520 int maxY =
SDL_max(points[i].y, points[i+1].y);
1522 frect = &frects[nrects++];
1523 frect->
x = points[
i].
x * renderer->
scale.
x;
1524 frect->
y = minY * renderer->
scale.
y;
1526 frect->
h = (maxY - minY + 1) * renderer->
scale.
y;
1527 }
else if (points[i].
y == points[i+1].
y) {
1528 int minX =
SDL_min(points[i].
x, points[i+1].x);
1529 int maxX =
SDL_max(points[i].x, points[i+1].x);
1531 frect = &frects[nrects++];
1532 frect->
x = minX * renderer->
scale.
x;
1533 frect->
y = points[
i].
y * renderer->
scale.
y;
1534 frect->
w = (maxX - minX + 1) * renderer->
scale.
x;
1538 fpoints[0].
x = points[
i].
x * renderer->
scale.
x;
1539 fpoints[0].
y = points[
i].
y * renderer->
scale.
y;
1540 fpoints[1].
x = points[i+1].
x * renderer->
scale.
x;
1541 fpoints[1].
y = points[i+1].
y * renderer->
scale.
y;
1567 return SDL_SetError(
"SDL_RenderDrawLines(): Passed NULL points");
1578 if (renderer->
scale.
x != 1.0f || renderer->
scale.
y != 1.0f) {
1586 for (i = 0; i <
count; ++
i) {
1587 fpoints[
i].
x = points[
i].
x * renderer->
scale.
x;
1588 fpoints[
i].
y = points[
i].
y * renderer->
scale.
y;
1614 points[0].
x = rect->
x;
1615 points[0].
y = rect->
y;
1616 points[1].
x = rect->
x+rect->
w-1;
1617 points[1].
y = rect->
y;
1618 points[2].
x = rect->
x+rect->
w-1;
1619 points[2].
y = rect->
y+rect->
h-1;
1620 points[3].
x = rect->
x;
1621 points[3].
y = rect->
y+rect->
h-1;
1622 points[4].
x = rect->
x;
1623 points[4].
y = rect->
y;
1636 return SDL_SetError(
"SDL_RenderDrawRects(): Passed NULL rects");
1647 for (i = 0; i <
count; ++
i) {
1658 SDL_Rect full_rect = { 0, 0, 0, 0 };
1683 return SDL_SetError(
"SDL_RenderFillRects(): Passed NULL rects");
1698 for (i = 0; i <
count; ++
i) {
1699 frects[
i].
x = rects[
i].
x * renderer->
scale.
x;
1700 frects[
i].
y = rects[
i].
y * renderer->
scale.
y;
1701 frects[
i].
w = rects[
i].
w * renderer->
scale.
x;
1702 frects[
i].
h = rects[
i].
h * renderer->
scale.
y;
1716 SDL_Rect real_srcrect = { 0, 0, 0, 0 };
1717 SDL_Rect real_dstrect = { 0, 0, 0, 0 };
1723 if (renderer != texture->
renderer) {
1724 return SDL_SetError(
"Texture was not created with this renderer");
1734 real_srcrect.
w = texture->
w;
1735 real_srcrect.
h = texture->
h;
1749 real_dstrect = *dstrect;
1753 texture = texture->
native;
1756 frect.
x = real_dstrect.
x * renderer->
scale.
x;
1757 frect.
y = real_dstrect.
y * renderer->
scale.
y;
1758 frect.
w = real_dstrect.
w * renderer->
scale.
x;
1759 frect.
h = real_dstrect.
h * renderer->
scale.
y;
1761 return renderer->
RenderCopy(renderer, texture, &real_srcrect, &frect);
1770 SDL_Rect real_srcrect = { 0, 0, 0, 0 };
1771 SDL_Rect real_dstrect = { 0, 0, 0, 0 };
1776 if (flip ==
SDL_FLIP_NONE && (
int)(angle/360) == angle/360) {
1783 if (renderer != texture->
renderer) {
1784 return SDL_SetError(
"Texture was not created with this renderer");
1787 return SDL_SetError(
"Renderer does not support RenderCopyEx");
1797 real_srcrect.
w = texture->
w;
1798 real_srcrect.
h = texture->
h;
1807 real_dstrect = *dstrect;
1815 texture = texture->
native;
1819 real_center = *center;
1821 real_center.
x = real_dstrect.
w/2;
1822 real_center.
y = real_dstrect.
h/2;
1825 frect.
x = real_dstrect.
x * renderer->
scale.
x;
1826 frect.
y = real_dstrect.
y * renderer->
scale.
y;
1827 frect.
w = real_dstrect.
w * renderer->
scale.
x;
1828 frect.
h = real_dstrect.
h * renderer->
scale.
y;
1830 fcenter.
x = real_center.
x * renderer->
scale.
x;
1831 fcenter.
y = real_center.
y * renderer->
scale.
y;
1833 return renderer->
RenderCopyEx(renderer, texture, &real_srcrect, &frect, angle, &fcenter, flip);
1860 if (real_rect.
y > rect->
y) {
1861 pixels = (
Uint8 *)pixels + pitch * (real_rect.
y - rect->
y);
1863 if (real_rect.
x > rect->
x) {
1865 pixels = (
Uint8 *)pixels + bpp * (real_rect.
x - rect->
x);
1870 format, pixels, pitch);
1893 if (texture == renderer->
target) {
1899 if (texture->
next) {
1902 if (texture->
prev) {
int SDL_CreateWindowAndRenderer(int width, int height, Uint32 window_flags, SDL_Window **window, SDL_Renderer **renderer)
Create a window and default renderer.
int(* RenderDrawLines)(SDL_Renderer *renderer, const SDL_FPoint *points, int count)
GLenum GLenum GLenum GLenum GLenum scale
SDL_MouseMotionEvent motion
#define SDL_DelEventWatch
GLint GLint GLsizei GLsizei GLsizei GLint GLenum format
#define SDL_GetWindowData
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)
#define SDL_HasIntersection
GLuint GLfloat GLfloat GLfloat x1
SDL_SW_YUVTexture * SDL_SW_CreateYUVTexture(Uint32 format, int w, int h)
#define SDL_UnlockSurface
GLdouble GLdouble GLdouble r
static Uint32 GetClosestSupportedFormat(SDL_Renderer *renderer, Uint32 format)
static int SDL_UpdateTextureYUVPlanar(SDL_Texture *texture, const SDL_Rect *rect, const Uint8 *Yplane, int Ypitch, const Uint8 *Uplane, int Upitch, const Uint8 *Vplane, int Vpitch)
int SDL_RenderCopy(SDL_Renderer *renderer, SDL_Texture *texture, const SDL_Rect *srcrect, const SDL_Rect *dstrect)
Copy a portion of the texture to the current rendering target.
GLint GLint GLsizei width
#define SDL_HINT_RENDER_VSYNC
A variable controlling whether updates to the SDL screen surface should be synchronized with the vert...
int(* RenderReadPixels)(SDL_Renderer *renderer, const SDL_Rect *rect, Uint32 format, void *pixels, int pitch)
int SDL_SetRenderDrawBlendMode(SDL_Renderer *renderer, SDL_BlendMode blendMode)
Set the blend mode used for drawing operations (Fill and Line).
int SDL_GetRendererInfo(SDL_Renderer *renderer, SDL_RendererInfo *info)
Get information about a rendering context.
SDL_Rect clip_rect_backup
#define SDL_ISPIXELFORMAT_INDEXED(format)
GLint GLint GLint GLint GLint x
SDL_BlendMode
The blend mode used in SDL_RenderCopy() and drawing operations.
#define SDL_ConvertSurface
GLuint GLuint GLsizei count
static SDL_Window * window
GLenum GLenum GLuint texture
SDL_Texture * SDL_GetRenderTarget(SDL_Renderer *renderer)
Get the current render target or NULL for the default render target.
GLfixed GLfixed GLfixed y2
The structure that defines a point.
A collection of pixels used in software blitting.
Uint32 texture_formats[16]
#define SDL_GetWindowFlags
int SDL_SW_LockYUVTexture(SDL_SW_YUVTexture *swdata, const SDL_Rect *rect, void **pixels, int *pitch)
int SDL_GetRenderDrawColor(SDL_Renderer *renderer, Uint8 *r, Uint8 *g, Uint8 *b, Uint8 *a)
Get the color used for drawing operations (Rect, Line and Clear).
#define SDL_BYTESPERPIXEL(X)
int(* RenderFillRects)(SDL_Renderer *renderer, const SDL_FRect *rects, int count)
GLint GLint GLsizei GLsizei GLsizei GLint GLenum GLenum const GLvoid * pixels
static int SDL_UpdateTextureNative(SDL_Texture *texture, const SDL_Rect *rect, const void *pixels, int pitch)
int SDL_RenderDrawPoint(SDL_Renderer *renderer, int x, int y)
Draw a point on the current rendering target.
#define SDL_WINDOWPOS_UNDEFINED
#define SDL_ISPIXELFORMAT_ALPHA(format)
static int RenderDrawPointsWithRects(SDL_Renderer *renderer, const SDL_Point *points, int count)
uint32_t Uint32
An unsigned 32-bit integer type.
#define SDL_InvalidParamError(param)
int SDL_RenderSetViewport(SDL_Renderer *renderer, const SDL_Rect *rect)
Set the drawing area for rendering on the current target.
GLint GLint GLsizei GLsizei height
void SDL_RenderPresent(SDL_Renderer *renderer)
Update the screen with rendering performed.
int SDL_RenderReadPixels(SDL_Renderer *renderer, const SDL_Rect *rect, Uint32 format, void *pixels, int pitch)
Read pixels from the current rendering target.
#define SDL_IntersectRect
static char texture_magic
void SDL_RenderGetLogicalSize(SDL_Renderer *renderer, int *w, int *h)
Get device independent resolution for rendering.
int SDL_GetRendererOutputSize(SDL_Renderer *renderer, int *w, int *h)
Get the output size in pixels of a rendering context.
static int SDL_LockTextureYUV(SDL_Texture *texture, const SDL_Rect *rect, void **pixels, int *pitch)
int(* RenderClear)(SDL_Renderer *renderer)
GLfloat GLfloat GLfloat alpha
GLuint GLint GLboolean GLint GLenum access
static int RenderDrawLinesWithRects(SDL_Renderer *renderer, const SDL_Point *points, int count)
int SDL_RenderFillRect(SDL_Renderer *renderer, const SDL_Rect *rect)
Fill a rectangle on the current rendering target with the drawing color.
void(* DestroyRenderer)(SDL_Renderer *renderer)
GLfixed GLfixed GLint GLint GLfixed points
int(* GetOutputSize)(SDL_Renderer *renderer, int *w, int *h)
int(* SetTextureBlendMode)(SDL_Renderer *renderer, SDL_Texture *texture)
int SDL_QueryTexture(SDL_Texture *texture, Uint32 *format, int *access, int *w, int *h)
Query the attributes of a texture.
#define SDL_GetHintBoolean
#define SDL_GetSurfaceBlendMode
SDL_Renderer * SW_CreateRendererForSurface(SDL_Surface *surface)
static void SDL_UnlockTextureNative(SDL_Texture *texture)
static SDL_BlendMode blendMode
int SDL_GetTextureBlendMode(SDL_Texture *texture, SDL_BlendMode *blendMode)
Get the blend mode used for texture copy operations.
#define SDL_SetWindowData
SDL_Renderer * SDL_CreateSoftwareRenderer(SDL_Surface *surface)
Create a 2D software rendering context for a surface.
int(* UpdateTexture)(SDL_Renderer *renderer, SDL_Texture *texture, const SDL_Rect *rect, const void *pixels, int pitch)
int SDL_SW_UpdateYUVTexture(SDL_SW_YUVTexture *swdata, const SDL_Rect *rect, const void *pixels, int pitch)
int(* UpdateTextureYUV)(SDL_Renderer *renderer, SDL_Texture *texture, const SDL_Rect *rect, const Uint8 *Yplane, int Ypitch, const Uint8 *Uplane, int Upitch, const Uint8 *Vplane, int Vpitch)
#define SDL_GetWindowSize
int SDL_SetTextureBlendMode(SDL_Texture *texture, SDL_BlendMode blendMode)
Set the blend mode used for texture copy operations.
int(* SetTextureColorMod)(SDL_Renderer *renderer, SDL_Texture *texture)
void * SDL_calloc(size_t nmemb, size_t size)
#define CHECK_RENDERER_MAGIC(renderer, retval)
void SDL_DestroyTexture(SDL_Texture *texture)
Destroy the specified texture.
void SDL_DestroyRenderer(SDL_Renderer *renderer)
Destroy the rendering context for a window and free associated textures.
SDL_RenderDriver SW_RenderDriver
GLint GLint GLint GLint GLint GLint y
int SDL_RenderDrawRects(SDL_Renderer *renderer, const SDL_Rect *rects, int count)
Draw some number of rectangles on the current rendering target.
static SDL_Renderer * renderer
int SDL_RenderDrawPoints(SDL_Renderer *renderer, const SDL_Point *points, int count)
Draw multiple points on the current rendering target.
uint8_t Uint8
An unsigned 8-bit integer type.
#define SDL_stack_alloc(type, count)
void SDL_UnlockTexture(SDL_Texture *texture)
Unlock a texture, uploading the changes to video memory, if needed.
int SDL_LockTexture(SDL_Texture *texture, const SDL_Rect *rect, void **pixels, int *pitch)
Lock a portion of the texture for write-only pixel access.
int SDL_GetRenderDrawBlendMode(SDL_Renderer *renderer, SDL_BlendMode *blendMode)
Get the blend mode used for drawing operations.
SDL_Texture * SDL_CreateTextureFromSurface(SDL_Renderer *renderer, SDL_Surface *surface)
Create a texture from an existing surface.
int SDL_RenderSetIntegerScale(SDL_Renderer *renderer, SDL_bool enable)
Set whether to force integer scales for resolution-independent rendering.
int(* GL_BindTexture)(SDL_Renderer *renderer, SDL_Texture *texture, float *texw, float *texh)
void(* UnlockTexture)(SDL_Renderer *renderer, SDL_Texture *texture)
SDL_Renderer *(* CreateRenderer)(SDL_Window *window, Uint32 flags)
int SDL_RenderDrawRect(SDL_Renderer *renderer, const SDL_Rect *rect)
Draw a rectangle on the current rendering target.
int SDL_GetNumRenderDrivers(void)
Get the number of 2D rendering drivers available for the current display.
void SDL_SW_DestroyYUVTexture(SDL_SW_YUVTexture *swdata)
int SDL_UpdateYUVTexture(SDL_Texture *texture, const SDL_Rect *rect, const Uint8 *Yplane, int Ypitch, const Uint8 *Uplane, int Upitch, const Uint8 *Vplane, int Vpitch)
Update a rectangle within a planar YV12 or IYUV texture with new pixel data.
int(* SetRenderTarget)(SDL_Renderer *renderer, SDL_Texture *texture)
int(* UpdateViewport)(SDL_Renderer *renderer)
#define SDL_GetWindowFromID
int SDL_GetTextureColorMod(SDL_Texture *texture, Uint8 *r, Uint8 *g, Uint8 *b)
Get the additional color value used in render copy operations.
int SDL_GL_BindTexture(SDL_Texture *texture, float *texw, float *texh)
Bind the texture to the current OpenGL/ES/ES2 context for use with OpenGL instructions.
SDL_bool SDL_RenderGetIntegerScale(SDL_Renderer *renderer)
Get whether integer scales are forced for resolution-independent rendering.
SDL_bool SDL_RenderTargetSupported(SDL_Renderer *renderer)
Determines whether a window supports the use of render targets.
int(* GL_UnbindTexture)(SDL_Renderer *renderer, SDL_Texture *texture)
static int UpdateLogicalSize(SDL_Renderer *renderer)
#define SDL_GetSurfaceAlphaMod
SDL_RendererFlip
Flip constants for SDL_RenderCopyEx.
static int SDL_UpdateTextureYUV(SDL_Texture *texture, const SDL_Rect *rect, const void *pixels, int pitch)
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)
int(* RenderCopy)(SDL_Renderer *renderer, SDL_Texture *texture, const SDL_Rect *srcrect, const SDL_FRect *dstrect)
int SDL_RenderSetScale(SDL_Renderer *renderer, float scaleX, float scaleY)
Set the drawing scale for rendering on the current target.
int SDL_SetTextureAlphaMod(SDL_Texture *texture, Uint8 alpha)
Set an additional alpha value used in render copy operations.
void SDL_RenderGetClipRect(SDL_Renderer *renderer, SDL_Rect *rect)
Get the clip rectangle for the current target.
#define SDL_assert(condition)
int SDL_UpdateTexture(SDL_Texture *texture, const SDL_Rect *rect, const void *pixels, int pitch)
Update the given texture rectangle with new pixel data.
int SDL_RenderClear(SDL_Renderer *renderer)
Clear the current rendering target with the drawing color.
SDL_bool SDL_RenderIsClipEnabled(SDL_Renderer *renderer)
Get whether clipping is enabled on the given renderer.
#define SDL_OutOfMemory()
Information on the capabilities of a render driver or context.
static const SDL_RenderDriver * render_drivers[]
#define SDL_WINDOWRENDERDATA
static SDL_bool IsSupportedFormat(SDL_Renderer *renderer, Uint32 format)
SDL_Renderer * SDL_CreateRenderer(SDL_Window *window, int index, Uint32 flags)
Create a 2D rendering context for a 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_GetSurfaceColorMod
#define CHECK_TEXTURE_MAGIC(texture, retval)
#define SDL_AddEventWatch
int SDL_SW_UpdateYUVTexturePlanar(SDL_SW_YUVTexture *swdata, const SDL_Rect *rect, const Uint8 *Yplane, int Ypitch, const Uint8 *Uplane, int Upitch, const Uint8 *Vplane, int Vpitch)
int SDL_RenderDrawLines(SDL_Renderer *renderer, const SDL_Point *points, int count)
Draw a series of connected lines on the current rendering target.
int(* SetTextureAlphaMod)(SDL_Renderer *renderer, SDL_Texture *texture)
int SDL_RenderFillRects(SDL_Renderer *renderer, const SDL_Rect *rects, int count)
Fill some number of rectangles on the current rendering target with the drawing color.
The type used to identify a window.
SDL_Rect rects[MAX_RECTS]
#define SDL_GetWindowPixelFormat
SDL_Renderer * SDL_GetRenderer(SDL_Window *window)
Get the renderer associated with a window.
void SDL_RenderGetViewport(SDL_Renderer *renderer, SDL_Rect *rect)
Get the drawing area for the current target.
int SDL_SW_CopyYUVToRGB(SDL_SW_YUVTexture *swdata, const SDL_Rect *srcrect, Uint32 target_format, int w, int h, void *pixels, int pitch)
#define SDL_HINT_RENDER_DRIVER
A variable specifying which render driver to use.
void(* WindowEvent)(SDL_Renderer *renderer, const SDL_WindowEvent *event)
void SDL_RenderGetScale(SDL_Renderer *renderer, float *scaleX, float *scaleY)
Get the drawing scale for the current target.
int SDL_SetTextureColorMod(SDL_Texture *texture, Uint8 r, Uint8 g, Uint8 b)
Set an additional color value used in render copy operations.
SDL_MouseButtonEvent button
Uint32 num_texture_formats
int SDL_RenderSetClipRect(SDL_Renderer *renderer, const SDL_Rect *rect)
Set the clip rectangle for the current target.
int SDL_RenderCopyEx(SDL_Renderer *renderer, SDL_Texture *texture, const SDL_Rect *srcrect, const SDL_Rect *dstrect, const double angle, const SDL_Point *center, const SDL_RendererFlip flip)
Copy a portion of the source texture to the current rendering target, rotating it by angle around the...
#define SDL_arraysize(array)
static char renderer_magic
int SDL_SetRenderDrawColor(SDL_Renderer *renderer, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
Set the color used for drawing operations (Rect, Line and Clear).
GLubyte GLubyte GLubyte GLubyte w
#define SDL_ConvertPixels
void(* DestroyTexture)(SDL_Renderer *renderer, SDL_Texture *texture)
int(* CreateTexture)(SDL_Renderer *renderer, SDL_Texture *texture)
void(* RenderPresent)(SDL_Renderer *renderer)
#define SDL_ISPIXELFORMAT_FOURCC(format)
#define SDL_stack_free(data)
int SDL_RenderSetLogicalSize(SDL_Renderer *renderer, int w, int h)
Set device independent resolution for rendering.
GLboolean GLboolean GLboolean GLboolean a
int SDL_SetRenderTarget(SDL_Renderer *renderer, SDL_Texture *texture)
Set a texture as the current rendering target.
int SDL_RenderDrawLine(SDL_Renderer *renderer, int x1, int y1, int x2, int y2)
Draw a line on the current rendering target.
int(* UpdateClipRect)(SDL_Renderer *renderer)
static void SDL_UnlockTextureYUV(SDL_Texture *texture)
GLboolean GLboolean GLboolean b
SDL_bool clipping_enabled_backup
#define SDL_Unsupported()
SDL_Texture * SDL_CreateTexture(SDL_Renderer *renderer, Uint32 format, int access, int w, int h)
Create a texture for a rendering context.
int SDL_GetTextureAlphaMod(SDL_Texture *texture, Uint8 *alpha)
Get the additional alpha value used in render copy operations.
GLfloat GLfloat GLfloat GLfloat h
SDL_bool clipping_enabled
static int SDL_RendererEventWatch(void *userdata, SDL_Event *event)
A rectangle, with the origin at the upper left.
int SDL_GL_UnbindTexture(SDL_Texture *texture)
Unbind a texture from the current OpenGL/ES/ES2 context.
static int SDL_LockTextureNative(SDL_Texture *texture, const SDL_Rect *rect, void **pixels, int *pitch)
int SDL_GetRenderDriverInfo(int index, SDL_RendererInfo *info)
Get information about a specific 2D rendering driver for the current display.