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Update SDL to the latest source code (2.0.9 + e1e13e154128)

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This commit is contained in:
Alex Szpakowski
2018-12-31 16:11:13 -04:00
parent 45dbeb26c3
commit 0c10f91bf8
481 changed files with 111284 additions and 21729 deletions
Download Patch File Download Diff File Expand all files Collapse all files
libs/SDL2/src/render/SDL_render.c
+1242 -160
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File diff suppressed because it is too large Load Diff
libs/SDL2/src/render/SDL_sysrender.h
+98 -32
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@@ -25,25 +25,19 @@
#include "SDL_render.h"
#include "SDL_events.h"
#include "SDL_mutex.h"
#include "SDL_yuv_sw_c.h"
/* The SDL 2D rendering system */
typedef struct SDL_RenderDriver SDL_RenderDriver;
typedef struct
typedef enum
{
float x;
float y;
} SDL_FPoint;
typedef struct
{
float x;
float y;
float w;
float h;
} SDL_FRect;
SDL_ScaleModeNearest,
SDL_ScaleModeLinear,
SDL_ScaleModeBest
} SDL_ScaleMode;
/* Define the SDL texture structure */
struct SDL_Texture
@@ -55,6 +49,7 @@ struct SDL_Texture
int h; /**< The height of the texture */
int modMode; /**< The texture modulation mode */
SDL_BlendMode blendMode; /**< The texture blend mode */
SDL_ScaleMode scaleMode; /**< The texture scale mode */
Uint8 r, g, b, a; /**< Texture modulation values */
SDL_Renderer *renderer;
@@ -66,12 +61,63 @@ struct SDL_Texture
int pitch;
SDL_Rect locked_rect;
Uint32 last_command_generation; /* last command queue generation this texture was in. */
void *driverdata; /**< Driver specific texture representation */
SDL_Texture *prev;
SDL_Texture *next;
};
typedef enum
{
SDL_RENDERCMD_NO_OP,
SDL_RENDERCMD_SETVIEWPORT,
SDL_RENDERCMD_SETCLIPRECT,
SDL_RENDERCMD_SETDRAWCOLOR,
SDL_RENDERCMD_CLEAR,
SDL_RENDERCMD_DRAW_POINTS,
SDL_RENDERCMD_DRAW_LINES,
SDL_RENDERCMD_FILL_RECTS,
SDL_RENDERCMD_COPY,
SDL_RENDERCMD_COPY_EX
} SDL_RenderCommandType;
typedef struct SDL_RenderCommand
{
SDL_RenderCommandType command;
union {
struct {
size_t first;
SDL_Rect rect;
} viewport;
struct {
SDL_bool enabled;
SDL_Rect rect;
} cliprect;
struct {
size_t first;
size_t count;
Uint8 r, g, b, a;
SDL_BlendMode blend;
SDL_Texture *texture;
} draw;
struct {
size_t first;
Uint8 r, g, b, a;
} color;
} data;
struct SDL_RenderCommand *next;
} SDL_RenderCommand;
typedef struct SDL_AllocVertGap
{
size_t offset;
size_t len;
struct SDL_AllocVertGap *next;
} SDL_AllocVertGap;
/* Define the SDL renderer structure */
struct SDL_Renderer
{
@@ -81,12 +127,20 @@ struct SDL_Renderer
int (*GetOutputSize) (SDL_Renderer * renderer, int *w, int *h);
SDL_bool (*SupportsBlendMode)(SDL_Renderer * renderer, SDL_BlendMode blendMode);
int (*CreateTexture) (SDL_Renderer * renderer, SDL_Texture * texture);
int (*SetTextureColorMod) (SDL_Renderer * renderer,
SDL_Texture * texture);
int (*SetTextureAlphaMod) (SDL_Renderer * renderer,
SDL_Texture * texture);
int (*SetTextureBlendMode) (SDL_Renderer * renderer,
SDL_Texture * texture);
int (*QueueSetViewport) (SDL_Renderer * renderer, SDL_RenderCommand *cmd);
int (*QueueSetDrawColor) (SDL_Renderer * renderer, SDL_RenderCommand *cmd);
int (*QueueDrawPoints) (SDL_Renderer * renderer, SDL_RenderCommand *cmd, const SDL_FPoint * points,
int count);
int (*QueueDrawLines) (SDL_Renderer * renderer, SDL_RenderCommand *cmd, const SDL_FPoint * points,
int count);
int (*QueueFillRects) (SDL_Renderer * renderer, SDL_RenderCommand *cmd, const SDL_FRect * rects,
int count);
int (*QueueCopy) (SDL_Renderer * renderer, SDL_RenderCommand *cmd, SDL_Texture * texture,
const SDL_Rect * srcrect, const SDL_FRect * dstrect);
int (*QueueCopyEx) (SDL_Renderer * renderer, SDL_RenderCommand *cmd, SDL_Texture * texture,
const SDL_Rect * srcquad, const SDL_FRect * dstrect,
const double angle, const SDL_FPoint *center, const SDL_RendererFlip flip);
int (*RunCommandQueue) (SDL_Renderer * renderer, SDL_RenderCommand *cmd, void *vertices, size_t vertsize);
int (*UpdateTexture) (SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * rect, const void *pixels,
int pitch);
@@ -99,20 +153,6 @@ struct SDL_Renderer
const SDL_Rect * rect, void **pixels, int *pitch);
void (*UnlockTexture) (SDL_Renderer * renderer, SDL_Texture * texture);
int (*SetRenderTarget) (SDL_Renderer * renderer, SDL_Texture * texture);
int (*UpdateViewport) (SDL_Renderer * renderer);
int (*UpdateClipRect) (SDL_Renderer * renderer);
int (*RenderClear) (SDL_Renderer * renderer);
int (*RenderDrawPoints) (SDL_Renderer * renderer, const SDL_FPoint * points,
int count);
int (*RenderDrawLines) (SDL_Renderer * renderer, const SDL_FPoint * points,
int count);
int (*RenderFillRects) (SDL_Renderer * renderer, const SDL_FRect * rects,
int count);
int (*RenderCopy) (SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * srcrect, const SDL_FRect * dstrect);
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);
int (*RenderReadPixels) (SDL_Renderer * renderer, const SDL_Rect * rect,
Uint32 format, void * pixels, int pitch);
void (*RenderPresent) (SDL_Renderer * renderer);
@@ -164,10 +204,31 @@ struct SDL_Renderer
/* The list of textures */
SDL_Texture *textures;
SDL_Texture *target;
SDL_mutex *target_mutex;
Uint8 r, g, b, a; /**< Color for drawing operations values */
SDL_BlendMode blendMode; /**< The drawing blend mode */
SDL_bool always_batch;
SDL_bool batching;
SDL_RenderCommand *render_commands;
SDL_RenderCommand *render_commands_tail;
SDL_RenderCommand *render_commands_pool;
Uint32 render_command_generation;
Uint32 last_queued_color;
SDL_Rect last_queued_viewport;
SDL_Rect last_queued_cliprect;
SDL_bool last_queued_cliprect_enabled;
SDL_bool color_queued;
SDL_bool viewport_queued;
SDL_bool cliprect_queued;
void *vertex_data;
size_t vertex_data_used;
size_t vertex_data_allocation;
SDL_AllocVertGap vertex_data_gaps;
SDL_AllocVertGap *vertex_data_gaps_pool;
void *driverdata;
};
@@ -199,6 +260,11 @@ extern SDL_BlendFactor SDL_GetBlendModeSrcAlphaFactor(SDL_BlendMode blendMode);
extern SDL_BlendFactor SDL_GetBlendModeDstAlphaFactor(SDL_BlendMode blendMode);
extern SDL_BlendOperation SDL_GetBlendModeAlphaOperation(SDL_BlendMode blendMode);
/* drivers call this during their Queue*() methods to make space in a array that are used
for a vertex buffer during RunCommandQueue(). Pointers returned here are only valid until
the next call, because it might be in an array that gets realloc()'d. */
extern void *SDL_AllocateRenderVertices(SDL_Renderer *renderer, const size_t numbytes, const size_t alignment, size_t *offset);
#endif /* SDL_sysrender_h_ */
/* vi: set ts=4 sw=4 expandtab: */
libs/SDL2/src/render/SDL_yuv_sw_c.h
+6
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@@ -18,6 +18,10 @@
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#ifndef SDL_yuv_sw_c_h_
#define SDL_yuv_sw_c_h_
#include "../SDL_internal.h"
#include "SDL_video.h"
@@ -64,4 +68,6 @@ void SDL_SW_DestroyYUVTexture(SDL_SW_YUVTexture * swdata);
#define USE_MMX_ASSEMBLY 1
#endif
#endif /* SDL_yuv_sw_c_h_ */
/* vi: set ts=4 sw=4 expandtab: */
libs/SDL2/src/render/direct3d/SDL_render_d3d.c
+812 -797
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File diff suppressed because it is too large Load Diff
libs/SDL2/src/render/direct3d11/SDL_render_d3d11.c
+682 -688
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File diff suppressed because it is too large Load Diff
libs/SDL2/src/render/metal/SDL_render_metal.m
+1167 -803
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File diff suppressed because it is too large Load Diff
libs/SDL2/src/render/opengl/SDL_render_gl.c
+751 -710
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File diff suppressed because it is too large Load Diff
libs/SDL2/src/render/opengl/SDL_shaders_gl.c
+3 -2
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@@ -340,11 +340,12 @@ CompileShader(GL_ShaderContext *ctx, GLhandleARB shader, const char *defines, co
ctx->glCompileShaderARB(shader);
ctx->glGetObjectParameterivARB(shader, GL_OBJECT_COMPILE_STATUS_ARB, &status);
if (status == 0) {
SDL_bool isstack;
GLint length;
char *info;
ctx->glGetObjectParameterivARB(shader, GL_OBJECT_INFO_LOG_LENGTH_ARB, &length);
info = SDL_stack_alloc(char, length+1);
info = SDL_small_alloc(char, length+1, &isstack);
ctx->glGetInfoLogARB(shader, length, NULL, info);
SDL_LogError(SDL_LOG_CATEGORY_RENDER,
"Failed to compile shader:\n%s%s\n%s", defines, source, info);
@@ -352,7 +353,7 @@ CompileShader(GL_ShaderContext *ctx, GLhandleARB shader, const char *defines, co
fprintf(stderr,
"Failed to compile shader:\n%s%s\n%s", defines, source, info);
#endif
SDL_stack_free(info);
SDL_small_free(info, isstack);
return SDL_FALSE;
} else {
libs/SDL2/src/render/opengl/SDL_shaders_gl.h
+7
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@@ -18,11 +18,16 @@
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#ifndef SDL_shaders_gl_h_
#define SDL_shaders_gl_h_
#include "../../SDL_internal.h"
/* OpenGL shader implementation */
typedef enum {
SHADER_INVALID = -1,
SHADER_NONE,
SHADER_SOLID,
SHADER_RGB,
@@ -44,4 +49,6 @@ extern GL_ShaderContext * GL_CreateShaderContext(void);
extern void GL_SelectShader(GL_ShaderContext *ctx, GL_Shader shader);
extern void GL_DestroyShaderContext(GL_ShaderContext *ctx);
#endif /* SDL_shaders_gl_h_ */
/* vi: set ts=4 sw=4 expandtab: */
libs/SDL2/src/render/opengles/SDL_render_gles.c
+534 -580
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File diff suppressed because it is too large Load Diff
libs/SDL2/src/render/opengles2/SDL_gles2funcs.h
+1
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@@ -75,6 +75,7 @@ SDL_PROC(void, glDeleteFramebuffers, (GLsizei, const GLuint *))
SDL_PROC(GLint, glGetAttribLocation, (GLuint, const GLchar *))
SDL_PROC(void, glGetProgramInfoLog, (GLuint, GLsizei, GLsizei*, GLchar*))
SDL_PROC(void, glGenBuffers, (GLsizei, GLuint *))
SDL_PROC(void, glDeleteBuffers, (GLsizei, const GLuint *))
SDL_PROC(void, glBindBuffer, (GLenum, GLuint))
SDL_PROC(void, glBufferData, (GLenum, GLsizeiptr, const GLvoid *, GLenum))
SDL_PROC(void, glBufferSubData, (GLenum, GLintptr, GLsizeiptr, const GLvoid *))
libs/SDL2/src/render/opengles2/SDL_render_gles2.c
+1013 -1145
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File diff suppressed because it is too large Load Diff
libs/SDL2/src/render/opengles2/SDL_shaders_gles2.c
+23 -19
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@@ -30,20 +30,24 @@
/*************************************************************************************************
* Vertex/fragment shader source *
*************************************************************************************************/
/* Notes on a_angle:
* It is a vector containing sin and cos for rotation matrix
* To get correct rotation for most cases when a_angle is disabled cos
value is decremented by 1.0 to get proper output with 0.0 which is
default value
*/
static const Uint8 GLES2_VertexSrc_Default_[] = " \
uniform mat4 u_projection; \
attribute vec2 a_position; \
attribute vec2 a_texCoord; \
attribute float a_angle; \
attribute vec2 a_angle; \
attribute vec2 a_center; \
varying vec2 v_texCoord; \
\
void main() \
{ \
float angle = radians(a_angle); \
float c = cos(angle); \
float s = sin(angle); \
float s = a_angle[0]; \
float c = a_angle[1] + 1.0; \
mat2 rotationMatrix = mat2(c, -s, s, c); \
vec2 position = rotationMatrix * (a_position - a_center) + a_center; \
v_texCoord = a_texCoord; \
@@ -65,13 +69,13 @@ static const Uint8 GLES2_FragmentSrc_SolidSrc_[] = " \
static const Uint8 GLES2_FragmentSrc_TextureABGRSrc_[] = " \
precision mediump float; \
uniform sampler2D u_texture; \
uniform vec4 u_modulation; \
uniform vec4 u_color; \
varying vec2 v_texCoord; \
\
void main() \
{ \
gl_FragColor = texture2D(u_texture, v_texCoord); \
gl_FragColor *= u_modulation; \
gl_FragColor *= u_color; \
} \
";
@@ -79,7 +83,7 @@ static const Uint8 GLES2_FragmentSrc_TextureABGRSrc_[] = " \
static const Uint8 GLES2_FragmentSrc_TextureARGBSrc_[] = " \
precision mediump float; \
uniform sampler2D u_texture; \
uniform vec4 u_modulation; \
uniform vec4 u_color; \
varying vec2 v_texCoord; \
\
void main() \
@@ -88,7 +92,7 @@ static const Uint8 GLES2_FragmentSrc_TextureARGBSrc_[] = " \
gl_FragColor = abgr; \
gl_FragColor.r = abgr.b; \
gl_FragColor.b = abgr.r; \
gl_FragColor *= u_modulation; \
gl_FragColor *= u_color; \
} \
";
@@ -96,7 +100,7 @@ static const Uint8 GLES2_FragmentSrc_TextureARGBSrc_[] = " \
static const Uint8 GLES2_FragmentSrc_TextureRGBSrc_[] = " \
precision mediump float; \
uniform sampler2D u_texture; \
uniform vec4 u_modulation; \
uniform vec4 u_color; \
varying vec2 v_texCoord; \
\
void main() \
@@ -106,7 +110,7 @@ static const Uint8 GLES2_FragmentSrc_TextureRGBSrc_[] = " \
gl_FragColor.r = abgr.b; \
gl_FragColor.b = abgr.r; \
gl_FragColor.a = 1.0; \
gl_FragColor *= u_modulation; \
gl_FragColor *= u_color; \
} \
";
@@ -114,7 +118,7 @@ static const Uint8 GLES2_FragmentSrc_TextureRGBSrc_[] = " \
static const Uint8 GLES2_FragmentSrc_TextureBGRSrc_[] = " \
precision mediump float; \
uniform sampler2D u_texture; \
uniform vec4 u_modulation; \
uniform vec4 u_color; \
varying vec2 v_texCoord; \
\
void main() \
@@ -122,7 +126,7 @@ static const Uint8 GLES2_FragmentSrc_TextureBGRSrc_[] = " \
vec4 abgr = texture2D(u_texture, v_texCoord); \
gl_FragColor = abgr; \
gl_FragColor.a = 1.0; \
gl_FragColor *= u_modulation; \
gl_FragColor *= u_color; \
} \
";
@@ -159,7 +163,7 @@ static const Uint8 GLES2_FragmentSrc_TextureBGRSrc_[] = " \
"uniform sampler2D u_texture;\n" \
"uniform sampler2D u_texture_u;\n" \
"uniform sampler2D u_texture_v;\n" \
"uniform vec4 u_modulation;\n" \
"uniform vec4 u_color;\n" \
"varying vec2 v_texCoord;\n" \
"\n" \
@@ -181,7 +185,7 @@ static const Uint8 GLES2_FragmentSrc_TextureBGRSrc_[] = " \
"\n" \
" // That was easy. :) \n" \
" gl_FragColor = vec4(rgb, 1);\n" \
" gl_FragColor *= u_modulation;\n" \
" gl_FragColor *= u_color;\n" \
"}" \
#define NV12_SHADER_BODY \
@@ -201,7 +205,7 @@ static const Uint8 GLES2_FragmentSrc_TextureBGRSrc_[] = " \
"\n" \
" // That was easy. :) \n" \
" gl_FragColor = vec4(rgb, 1);\n" \
" gl_FragColor *= u_modulation;\n" \
" gl_FragColor *= u_color;\n" \
"}" \
#define NV21_SHADER_BODY \
@@ -221,7 +225,7 @@ static const Uint8 GLES2_FragmentSrc_TextureBGRSrc_[] = " \
"\n" \
" // That was easy. :) \n" \
" gl_FragColor = vec4(rgb, 1);\n" \
" gl_FragColor *= u_modulation;\n" \
" gl_FragColor *= u_color;\n" \
"}" \
/* YUV to ABGR conversion */
@@ -280,13 +284,13 @@ static const Uint8 GLES2_FragmentSrc_TextureExternalOESSrc_[] = " \
#extension GL_OES_EGL_image_external : require\n\
precision mediump float; \
uniform samplerExternalOES u_texture; \
uniform vec4 u_modulation; \
uniform vec4 u_color; \
varying vec2 v_texCoord; \
\
void main() \
{ \
gl_FragColor = texture2D(u_texture, v_texCoord); \
gl_FragColor *= u_modulation; \
gl_FragColor *= u_color; \
} \
";
libs/SDL2/src/render/psp/SDL_render_psp.c
+676 -657
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File diff suppressed because it is too large Load Diff
libs/SDL2/src/render/software/SDL_blendfillrect.h
+6
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@@ -18,10 +18,16 @@
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#ifndef SDL_blendfillrect_h_
#define SDL_blendfillrect_h_
#include "../../SDL_internal.h"
extern int SDL_BlendFillRect(SDL_Surface * dst, const SDL_Rect * rect, SDL_BlendMode blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
extern int SDL_BlendFillRects(SDL_Surface * dst, const SDL_Rect * rects, int count, SDL_BlendMode blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
#endif /* SDL_blendfillrect_h_ */
/* vi: set ts=4 sw=4 expandtab: */
libs/SDL2/src/render/software/SDL_blendline.h
+6
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@@ -18,10 +18,16 @@
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#ifndef SDL_blendline_h_
#define SDL_blendline_h_
#include "../../SDL_internal.h"
extern int SDL_BlendLine(SDL_Surface * dst, int x1, int y1, int x2, int y2, SDL_BlendMode blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
extern int SDL_BlendLines(SDL_Surface * dst, const SDL_Point * points, int count, SDL_BlendMode blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
#endif /* SDL_blendline_h_ */
/* vi: set ts=4 sw=4 expandtab: */
libs/SDL2/src/render/software/SDL_blendpoint.h
+6
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@@ -18,10 +18,16 @@
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#ifndef SDL_blendpoint_h_
#define SDL_blendpoint_h_
#include "../../SDL_internal.h"
extern int SDL_BlendPoint(SDL_Surface * dst, int x, int y, SDL_BlendMode blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
extern int SDL_BlendPoints(SDL_Surface * dst, const SDL_Point * points, int count, SDL_BlendMode blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
#endif /* SDL_blendpoint_h_ */
/* vi: set ts=4 sw=4 expandtab: */
libs/SDL2/src/render/software/SDL_drawline.h
+6
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@@ -18,10 +18,16 @@
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#ifndef SDL_drawline_h_
#define SDL_drawline_h_
#include "../../SDL_internal.h"
extern int SDL_DrawLine(SDL_Surface * dst, int x1, int y1, int x2, int y2, Uint32 color);
extern int SDL_DrawLines(SDL_Surface * dst, const SDL_Point * points, int count, Uint32 color);
#endif /* SDL_drawline_h_ */
/* vi: set ts=4 sw=4 expandtab: */
libs/SDL2/src/render/software/SDL_drawpoint.h
+6
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@@ -18,10 +18,16 @@
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#ifndef SDL_drawpoint_h_
#define SDL_drawpoint_h_
#include "../../SDL_internal.h"
extern int SDL_DrawPoint(SDL_Surface * dst, int x, int y, Uint32 color);
extern int SDL_DrawPoints(SDL_Surface * dst, const SDL_Point * points, int count, Uint32 color);
#endif /* SDL_drawpoint_h_ */
/* vi: set ts=4 sw=4 expandtab: */
libs/SDL2/src/render/software/SDL_render_sw.c
+387 -424
View File
@@ -25,6 +25,7 @@
#include "../SDL_sysrender.h"
#include "SDL_render_sw_c.h"
#include "SDL_hints.h"
#include "SDL_assert.h"
#include "SDL_draw.h"
#include "SDL_blendfillrect.h"
@@ -36,65 +37,6 @@
/* SDL surface based renderer implementation */
static SDL_Renderer *SW_CreateRenderer(SDL_Window * window, Uint32 flags);
static void SW_WindowEvent(SDL_Renderer * renderer,
const SDL_WindowEvent *event);
static int SW_GetOutputSize(SDL_Renderer * renderer, int *w, int *h);
static int SW_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture);
static int SW_SetTextureColorMod(SDL_Renderer * renderer,
SDL_Texture * texture);
static int SW_SetTextureAlphaMod(SDL_Renderer * renderer,
SDL_Texture * texture);
static int SW_SetTextureBlendMode(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);
static int SW_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * rect, void **pixels, int *pitch);
static void SW_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture);
static int SW_SetRenderTarget(SDL_Renderer * renderer, SDL_Texture * texture);
static int SW_UpdateViewport(SDL_Renderer * renderer);
static int SW_UpdateClipRect(SDL_Renderer * renderer);
static int SW_RenderClear(SDL_Renderer * renderer);
static int SW_RenderDrawPoints(SDL_Renderer * renderer,
const SDL_FPoint * points, int count);
static int SW_RenderDrawLines(SDL_Renderer * renderer,
const SDL_FPoint * points, int count);
static int SW_RenderFillRects(SDL_Renderer * renderer,
const SDL_FRect * rects, int count);
static int SW_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * srcrect, const SDL_FRect * dstrect);
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_RenderReadPixels(SDL_Renderer * renderer, const SDL_Rect * rect,
Uint32 format, void * pixels, int pitch);
static void SW_RenderPresent(SDL_Renderer * renderer);
static void SW_DestroyTexture(SDL_Renderer * renderer, SDL_Texture * texture);
static void SW_DestroyRenderer(SDL_Renderer * renderer);
SDL_RenderDriver SW_RenderDriver = {
SW_CreateRenderer,
{
"software",
SDL_RENDERER_SOFTWARE | SDL_RENDERER_TARGETTEXTURE,
8,
{
SDL_PIXELFORMAT_ARGB8888,
SDL_PIXELFORMAT_ABGR8888,
SDL_PIXELFORMAT_RGBA8888,
SDL_PIXELFORMAT_BGRA8888,
SDL_PIXELFORMAT_RGB888,
SDL_PIXELFORMAT_BGR888,
SDL_PIXELFORMAT_RGB565,
SDL_PIXELFORMAT_RGB555
},
0,
0}
};
typedef struct
{
SDL_Surface *surface;
@@ -114,82 +56,11 @@ SW_ActivateRenderer(SDL_Renderer * renderer)
SDL_Surface *surface = SDL_GetWindowSurface(renderer->window);
if (surface) {
data->surface = data->window = surface;
SW_UpdateViewport(renderer);
SW_UpdateClipRect(renderer);
}
}
return data->surface;
}
SDL_Renderer *
SW_CreateRendererForSurface(SDL_Surface * surface)
{
SDL_Renderer *renderer;
SW_RenderData *data;
if (!surface) {
SDL_SetError("Can't create renderer for NULL surface");
return NULL;
}
renderer = (SDL_Renderer *) SDL_calloc(1, sizeof(*renderer));
if (!renderer) {
SDL_OutOfMemory();
return NULL;
}
data = (SW_RenderData *) SDL_calloc(1, sizeof(*data));
if (!data) {
SW_DestroyRenderer(renderer);
SDL_OutOfMemory();
return NULL;
}
data->surface = surface;
data->window = surface;
renderer->WindowEvent = SW_WindowEvent;
renderer->GetOutputSize = SW_GetOutputSize;
renderer->CreateTexture = SW_CreateTexture;
renderer->SetTextureColorMod = SW_SetTextureColorMod;
renderer->SetTextureAlphaMod = SW_SetTextureAlphaMod;
renderer->SetTextureBlendMode = SW_SetTextureBlendMode;
renderer->UpdateTexture = SW_UpdateTexture;
renderer->LockTexture = SW_LockTexture;
renderer->UnlockTexture = SW_UnlockTexture;
renderer->SetRenderTarget = SW_SetRenderTarget;
renderer->UpdateViewport = SW_UpdateViewport;
renderer->UpdateClipRect = SW_UpdateClipRect;
renderer->RenderClear = SW_RenderClear;
renderer->RenderDrawPoints = SW_RenderDrawPoints;
renderer->RenderDrawLines = SW_RenderDrawLines;
renderer->RenderFillRects = SW_RenderFillRects;
renderer->RenderCopy = SW_RenderCopy;
renderer->RenderCopyEx = SW_RenderCopyEx;
renderer->RenderReadPixels = SW_RenderReadPixels;
renderer->RenderPresent = SW_RenderPresent;
renderer->DestroyTexture = SW_DestroyTexture;
renderer->DestroyRenderer = SW_DestroyRenderer;
renderer->info = SW_RenderDriver.info;
renderer->driverdata = data;
SW_ActivateRenderer(renderer);
return renderer;
}
SDL_Renderer *
SW_CreateRenderer(SDL_Window * window, Uint32 flags)
{
SDL_Surface *surface;
surface = SDL_GetWindowSurface(window);
if (!surface) {
return NULL;
}
return SW_CreateRendererForSurface(surface);
}
static void
SW_WindowEvent(SDL_Renderer * renderer, const SDL_WindowEvent *event)
{
@@ -252,46 +123,6 @@ SW_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture)
return 0;
}
static int
SW_SetTextureColorMod(SDL_Renderer * renderer, SDL_Texture * texture)
{
SDL_Surface *surface = (SDL_Surface *) texture->driverdata;
/* If the color mod is ever enabled (non-white), permanently disable RLE (which doesn't support
* color mod) to avoid potentially frequent RLE encoding/decoding.
*/
if ((texture->r & texture->g & texture->b) != 255) {
SDL_SetSurfaceRLE(surface, 0);
}
return SDL_SetSurfaceColorMod(surface, texture->r, texture->g,
texture->b);
}
static int
SW_SetTextureAlphaMod(SDL_Renderer * renderer, SDL_Texture * texture)
{
SDL_Surface *surface = (SDL_Surface *) texture->driverdata;
/* If the texture ever has multiple alpha values (surface alpha plus alpha channel), permanently
* disable RLE (which doesn't support this) to avoid potentially frequent RLE encoding/decoding.
*/
if (texture->a != 255 && surface->format->Amask) {
SDL_SetSurfaceRLE(surface, 0);
}
return SDL_SetSurfaceAlphaMod(surface, texture->a);
}
static int
SW_SetTextureBlendMode(SDL_Renderer * renderer, SDL_Texture * texture)
{
SDL_Surface *surface = (SDL_Surface *) texture->driverdata;
/* If add or mod blending are ever enabled, permanently disable RLE (which doesn't support
* them) to avoid potentially frequent RLE encoding/decoding.
*/
if ((texture->blendMode == SDL_BLENDMODE_ADD || texture->blendMode == SDL_BLENDMODE_MOD)) {
SDL_SetSurfaceRLE(surface, 0);
}
return SDL_SetSurfaceBlendMode(surface, texture->blendMode);
}
static int
SW_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * rect, const void *pixels, int pitch)
@@ -350,263 +181,149 @@ SW_SetRenderTarget(SDL_Renderer * renderer, SDL_Texture * texture)
}
static int
SW_UpdateViewport(SDL_Renderer * renderer)
SW_QueueSetViewport(SDL_Renderer * renderer, SDL_RenderCommand *cmd)
{
SW_RenderData *data = (SW_RenderData *) renderer->driverdata;
SDL_Surface *surface = data->surface;
return 0; /* nothing to do in this backend. */
}
if (!surface) {
/* We'll update the viewport after we recreate the surface */
return 0;
static int
SW_QueueDrawPoints(SDL_Renderer * renderer, SDL_RenderCommand *cmd, const SDL_FPoint * points, int count)
{
SDL_Point *verts = (SDL_Point *) SDL_AllocateRenderVertices(renderer, count * sizeof (SDL_Point), 0, &cmd->data.draw.first);
size_t i;
if (!verts) {
return -1;
}
cmd->data.draw.count = count;
if (renderer->viewport.x || renderer->viewport.y) {
const int x = renderer->viewport.x;
const int y = renderer->viewport.y;
for (i = 0; i < count; i++, verts++, points++) {
verts->x = (int)(x + points->x);
verts->y = (int)(y + points->y);
}
} else {
for (i = 0; i < count; i++, verts++, points++) {
verts->x = (int)points->x;
verts->y = (int)points->y;
}
}
SDL_SetClipRect(data->surface, &renderer->viewport);
return 0;
}
static int
SW_UpdateClipRect(SDL_Renderer * renderer)
SW_QueueFillRects(SDL_Renderer * renderer, SDL_RenderCommand *cmd, const SDL_FRect * rects, int count)
{
SW_RenderData *data = (SW_RenderData *) renderer->driverdata;
SDL_Surface *surface = data->surface;
if (surface) {
if (renderer->clipping_enabled) {
SDL_Rect clip_rect;
clip_rect = renderer->clip_rect;
clip_rect.x += renderer->viewport.x;
clip_rect.y += renderer->viewport.y;
SDL_IntersectRect(&renderer->viewport, &clip_rect, &clip_rect);
SDL_SetClipRect(surface, &clip_rect);
} else {
SDL_SetClipRect(surface, &renderer->viewport);
SDL_Rect *verts = (SDL_Rect *) SDL_AllocateRenderVertices(renderer, count * sizeof (SDL_Rect), 0, &cmd->data.draw.first);
size_t i;
if (!verts) {
return -1;
}
cmd->data.draw.count = count;
if (renderer->viewport.x || renderer->viewport.y) {
const int x = renderer->viewport.x;
const int y = renderer->viewport.y;
for (i = 0; i < count; i++, verts++, rects++) {
verts->x = (int)(x + rects->x);
verts->y = (int)(y + rects->y);
verts->w = SDL_max((int)rects->w, 1);
verts->h = SDL_max((int)rects->h, 1);
}
} else {
for (i = 0; i < count; i++, verts++, rects++) {
verts->x = (int)rects->x;
verts->y = (int)rects->y;
verts->w = SDL_max((int)rects->w, 1);
verts->h = SDL_max((int)rects->h, 1);
}
}
return 0;
}
static int
SW_RenderClear(SDL_Renderer * renderer)
SW_QueueCopy(SDL_Renderer * renderer, SDL_RenderCommand *cmd, SDL_Texture * texture,
const SDL_Rect * srcrect, const SDL_FRect * dstrect)
{
SDL_Surface *surface = SW_ActivateRenderer(renderer);
Uint32 color;
SDL_Rect clip_rect;
SDL_Rect *verts = (SDL_Rect *) SDL_AllocateRenderVertices(renderer, 2 * sizeof (SDL_Rect), 0, &cmd->data.draw.first);
if (!surface) {
if (!verts) {
return -1;
}
color = SDL_MapRGBA(surface->format,
renderer->r, renderer->g, renderer->b, renderer->a);
cmd->data.draw.count = 1;
SDL_memcpy(verts, srcrect, sizeof (SDL_Rect));
verts++;
if (renderer->viewport.x || renderer->viewport.y) {
verts->x = (int)(renderer->viewport.x + dstrect->x);
verts->y = (int)(renderer->viewport.y + dstrect->y);
} else {
verts->x = (int)dstrect->x;
verts->y = (int)dstrect->y;
}
verts->w = (int)dstrect->w;
verts->h = (int)dstrect->h;
return 0;
}
typedef struct CopyExData
{
SDL_Rect srcrect;
SDL_Rect dstrect;
double angle;
SDL_FPoint center;
SDL_RendererFlip flip;
} CopyExData;
static int
SW_QueueCopyEx(SDL_Renderer * renderer, SDL_RenderCommand *cmd, SDL_Texture * texture,
const SDL_Rect * srcrect, const SDL_FRect * dstrect,
const double angle, const SDL_FPoint *center, const SDL_RendererFlip flip)
{
CopyExData *verts = (CopyExData *) SDL_AllocateRenderVertices(renderer, sizeof (CopyExData), 0, &cmd->data.draw.first);
if (!verts) {
return -1;
}
cmd->data.draw.count = 1;
SDL_memcpy(&verts->srcrect, srcrect, sizeof (SDL_Rect));
if (renderer->viewport.x || renderer->viewport.y) {
verts->dstrect.x = (int)(renderer->viewport.x + dstrect->x);
verts->dstrect.y = (int)(renderer->viewport.y + dstrect->y);
} else {
verts->dstrect.x = (int)dstrect->x;
verts->dstrect.y = (int)dstrect->y;
}
verts->dstrect.w = (int)dstrect->w;
verts->dstrect.h = (int)dstrect->h;
verts->angle = angle;
SDL_memcpy(&verts->center, center, sizeof (SDL_FPoint));
verts->flip = flip;
/* By definition the clear ignores the clip rect */
clip_rect = surface->clip_rect;
SDL_SetClipRect(surface, NULL);
SDL_FillRect(surface, NULL, color);
SDL_SetClipRect(surface, &clip_rect);
return 0;
}
static int
SW_RenderDrawPoints(SDL_Renderer * renderer, const SDL_FPoint * points,
int count)
{
SDL_Surface *surface = SW_ActivateRenderer(renderer);
SDL_Point *final_points;
int i, status;
if (!surface) {
return -1;
}
final_points = SDL_stack_alloc(SDL_Point, count);
if (!final_points) {
return SDL_OutOfMemory();
}
if (renderer->viewport.x || renderer->viewport.y) {
int x = renderer->viewport.x;
int y = renderer->viewport.y;
for (i = 0; i < count; ++i) {
final_points[i].x = (int)(x + points[i].x);
final_points[i].y = (int)(y + points[i].y);
}
} else {
for (i = 0; i < count; ++i) {
final_points[i].x = (int)points[i].x;
final_points[i].y = (int)points[i].y;
}
}
/* Draw the points! */
if (renderer->blendMode == SDL_BLENDMODE_NONE) {
Uint32 color = SDL_MapRGBA(surface->format,
renderer->r, renderer->g, renderer->b,
renderer->a);
status = SDL_DrawPoints(surface, final_points, count, color);
} else {
status = SDL_BlendPoints(surface, final_points, count,
renderer->blendMode,
renderer->r, renderer->g, renderer->b,
renderer->a);
}
SDL_stack_free(final_points);
return status;
}
static int
SW_RenderDrawLines(SDL_Renderer * renderer, const SDL_FPoint * points,
int count)
{
SDL_Surface *surface = SW_ActivateRenderer(renderer);
SDL_Point *final_points;
int i, status;
if (!surface) {
return -1;
}
final_points = SDL_stack_alloc(SDL_Point, count);
if (!final_points) {
return SDL_OutOfMemory();
}
if (renderer->viewport.x || renderer->viewport.y) {
int x = renderer->viewport.x;
int y = renderer->viewport.y;
for (i = 0; i < count; ++i) {
final_points[i].x = (int)(x + points[i].x);
final_points[i].y = (int)(y + points[i].y);
}
} else {
for (i = 0; i < count; ++i) {
final_points[i].x = (int)points[i].x;
final_points[i].y = (int)points[i].y;
}
}
/* Draw the lines! */
if (renderer->blendMode == SDL_BLENDMODE_NONE) {
Uint32 color = SDL_MapRGBA(surface->format,
renderer->r, renderer->g, renderer->b,
renderer->a);
status = SDL_DrawLines(surface, final_points, count, color);
} else {
status = SDL_BlendLines(surface, final_points, count,
renderer->blendMode,
renderer->r, renderer->g, renderer->b,
renderer->a);
}
SDL_stack_free(final_points);
return status;
}
static int
SW_RenderFillRects(SDL_Renderer * renderer, const SDL_FRect * rects, int count)
{
SDL_Surface *surface = SW_ActivateRenderer(renderer);
SDL_Rect *final_rects;
int i, status;
if (!surface) {
return -1;
}
final_rects = SDL_stack_alloc(SDL_Rect, count);
if (!final_rects) {
return SDL_OutOfMemory();
}
if (renderer->viewport.x || renderer->viewport.y) {
int x = renderer->viewport.x;
int y = renderer->viewport.y;
for (i = 0; i < count; ++i) {
final_rects[i].x = (int)(x + rects[i].x);
final_rects[i].y = (int)(y + rects[i].y);
final_rects[i].w = SDL_max((int)rects[i].w, 1);
final_rects[i].h = SDL_max((int)rects[i].h, 1);
}
} else {
for (i = 0; i < count; ++i) {
final_rects[i].x = (int)rects[i].x;
final_rects[i].y = (int)rects[i].y;
final_rects[i].w = SDL_max((int)rects[i].w, 1);
final_rects[i].h = SDL_max((int)rects[i].h, 1);
}
}
if (renderer->blendMode == SDL_BLENDMODE_NONE) {
Uint32 color = SDL_MapRGBA(surface->format,
renderer->r, renderer->g, renderer->b,
renderer->a);
status = SDL_FillRects(surface, final_rects, count, color);
} else {
status = SDL_BlendFillRects(surface, final_rects, count,
renderer->blendMode,
renderer->r, renderer->g, renderer->b,
renderer->a);
}
SDL_stack_free(final_rects);
return status;
}
static int
SW_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * srcrect, const SDL_FRect * dstrect)
{
SDL_Surface *surface = SW_ActivateRenderer(renderer);
SDL_Surface *src = (SDL_Surface *) texture->driverdata;
SDL_Rect final_rect;
if (!surface) {
return -1;
}
if (renderer->viewport.x || renderer->viewport.y) {
final_rect.x = (int)(renderer->viewport.x + dstrect->x);
final_rect.y = (int)(renderer->viewport.y + dstrect->y);
} else {
final_rect.x = (int)dstrect->x;
final_rect.y = (int)dstrect->y;
}
final_rect.w = (int)dstrect->w;
final_rect.h = (int)dstrect->h;
if ( srcrect->w == final_rect.w && srcrect->h == final_rect.h ) {
return SDL_BlitSurface(src, srcrect, surface, &final_rect);
} else {
/* If scaling is ever done, permanently disable RLE (which doesn't support scaling)
* to avoid potentially frequent RLE encoding/decoding.
*/
SDL_SetSurfaceRLE(surface, 0);
return SDL_BlitScaled(src, srcrect, surface, &final_rect);
}
}
static int
GetScaleQuality(void)
{
const char *hint = SDL_GetHint(SDL_HINT_RENDER_SCALE_QUALITY);
if (!hint || *hint == '0' || SDL_strcasecmp(hint, "nearest") == 0) {
return 0;
} else {
return 1;
}
}
static int
SW_RenderCopyEx(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * srcrect, const SDL_FRect * dstrect,
SW_RenderCopyEx(SDL_Renderer * renderer, SDL_Surface *surface, SDL_Texture * texture,
const SDL_Rect * srcrect, const SDL_Rect * final_rect,
const double angle, const SDL_FPoint * center, const SDL_RendererFlip flip)
{
SDL_Surface *surface = SW_ActivateRenderer(renderer);
SDL_Surface *src = (SDL_Surface *) texture->driverdata;
SDL_Rect final_rect, tmp_rect;
SDL_Rect tmp_rect;
SDL_Surface *src_clone, *src_rotated, *src_scaled;
SDL_Surface *mask = NULL, *mask_rotated = NULL;
int retval = 0, dstwidth, dstheight, abscenterx, abscentery;
@@ -621,19 +338,10 @@ SW_RenderCopyEx(SDL_Renderer * renderer, SDL_Texture * texture,
return -1;
}
if (renderer->viewport.x || renderer->viewport.y) {
final_rect.x = (int)(renderer->viewport.x + dstrect->x);
final_rect.y = (int)(renderer->viewport.y + dstrect->y);
} else {
final_rect.x = (int)dstrect->x;
final_rect.y = (int)dstrect->y;
}
final_rect.w = (int)dstrect->w;
final_rect.h = (int)dstrect->h;
tmp_rect = final_rect;
tmp_rect.x = 0;
tmp_rect.y = 0;
tmp_rect.w = final_rect->w;
tmp_rect.h = final_rect->h;
/* It is possible to encounter an RLE encoded surface here and locking it is
* necessary because this code is going to access the pixel buffer directly.
@@ -665,7 +373,12 @@ SW_RenderCopyEx(SDL_Renderer * renderer, SDL_Texture * texture,
}
/* If scaling and cropping is necessary, it has to be taken care of before the rotation. */
if (!(srcrect->w == final_rect.w && srcrect->h == final_rect.h && srcrect->x == 0 && srcrect->y == 0)) {
if (!(srcrect->w == final_rect->w && srcrect->h == final_rect->h && srcrect->x == 0 && srcrect->y == 0)) {
blitRequired = SDL_TRUE;
}
/* srcrect is not selecting the whole src surface, so cropping is needed */
if (!(srcrect->w == src->w && srcrect->h == src->h && srcrect->x == 0 && srcrect->y == 0)) {
blitRequired = SDL_TRUE;
}
@@ -685,7 +398,7 @@ SW_RenderCopyEx(SDL_Renderer * renderer, SDL_Texture * texture,
* to clear the pixels in the destination surface. The other steps are explained below.
*/
if (blendmode == SDL_BLENDMODE_NONE && !isOpaque) {
mask = SDL_CreateRGBSurface(0, final_rect.w, final_rect.h, 32,
mask = SDL_CreateRGBSurface(0, final_rect->w, final_rect->h, 32,
0x00ff0000, 0x0000ff00, 0x000000ff, 0xff000000);
if (mask == NULL) {
retval = -1;
@@ -699,7 +412,7 @@ SW_RenderCopyEx(SDL_Renderer * renderer, SDL_Texture * texture,
*/
if (!retval && (blitRequired || applyModulation)) {
SDL_Rect scale_rect = tmp_rect;
src_scaled = SDL_CreateRGBSurface(0, final_rect.w, final_rect.h, 32,
src_scaled = SDL_CreateRGBSurface(0, final_rect->w, final_rect->h, 32,
0x00ff0000, 0x0000ff00, 0x000000ff, 0xff000000);
if (src_scaled == NULL) {
retval = -1;
@@ -717,7 +430,7 @@ SW_RenderCopyEx(SDL_Renderer * renderer, SDL_Texture * texture,
if (!retval) {
SDLgfx_rotozoomSurfaceSizeTrig(tmp_rect.w, tmp_rect.h, angle, &dstwidth, &dstheight, &cangle, &sangle);
src_rotated = SDLgfx_rotateSurface(src_clone, angle, dstwidth/2, dstheight/2, GetScaleQuality(), flip & SDL_FLIP_HORIZONTAL, flip & SDL_FLIP_VERTICAL, dstwidth, dstheight, cangle, sangle);
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);
if (src_rotated == NULL) {
retval = -1;
}
@@ -730,32 +443,32 @@ SW_RenderCopyEx(SDL_Renderer * renderer, SDL_Texture * texture,
}
if (!retval) {
/* Find out where the new origin is by rotating the four final_rect points around the center and then taking the extremes */
abscenterx = final_rect.x + (int)center->x;
abscentery = final_rect.y + (int)center->y;
abscenterx = final_rect->x + (int)center->x;
abscentery = final_rect->y + (int)center->y;
/* Compensate the angle inversion to match the behaviour of the other backends */
sangle = -sangle;
/* Top Left */
px = final_rect.x - abscenterx;
py = final_rect.y - abscentery;
px = final_rect->x - abscenterx;
py = final_rect->y - abscentery;
p1x = px * cangle - py * sangle + abscenterx;
p1y = px * sangle + py * cangle + abscentery;
/* Top Right */
px = final_rect.x + final_rect.w - abscenterx;
py = final_rect.y - abscentery;
px = final_rect->x + final_rect->w - abscenterx;
py = final_rect->y - abscentery;
p2x = px * cangle - py * sangle + abscenterx;
p2y = px * sangle + py * cangle + abscentery;
/* Bottom Left */
px = final_rect.x - abscenterx;
py = final_rect.y + final_rect.h - abscentery;
px = final_rect->x - abscenterx;
py = final_rect->y + final_rect->h - abscentery;
p3x = px * cangle - py * sangle + abscenterx;
p3y = px * sangle + py * cangle + abscentery;
/* Bottom Right */
px = final_rect.x + final_rect.w - abscenterx;
py = final_rect.y + final_rect.h - abscentery;
px = final_rect->x + final_rect->w - abscenterx;
py = final_rect->y + final_rect->h - abscentery;
p4x = px * cangle - py * sangle + abscenterx;
p4y = px * sangle + py * cangle + abscentery;
@@ -831,6 +544,171 @@ SW_RenderCopyEx(SDL_Renderer * renderer, SDL_Texture * texture,
return retval;
}
static void
PrepTextureForCopy(const SDL_RenderCommand *cmd)
{
const Uint8 r = cmd->data.draw.r;
const Uint8 g = cmd->data.draw.g;
const Uint8 b = cmd->data.draw.b;
const Uint8 a = cmd->data.draw.a;
const SDL_BlendMode blend = cmd->data.draw.blend;
SDL_Texture *texture = cmd->data.draw.texture;
SDL_Surface *surface = (SDL_Surface *) texture->driverdata;
const SDL_bool colormod = ((r & g & b) != 0xFF);
const SDL_bool alphamod = (a != 0xFF);
const SDL_bool blending = ((blend == SDL_BLENDMODE_ADD) || (blend == SDL_BLENDMODE_MOD));
if (colormod || alphamod || blending) {
SDL_SetSurfaceRLE(surface, 0);
}
/* !!! FIXME: we can probably avoid some of these calls. */
SDL_SetSurfaceColorMod(surface, r, g, b);
SDL_SetSurfaceAlphaMod(surface, a);
SDL_SetSurfaceBlendMode(surface, blend);
}
static int
SW_RunCommandQueue(SDL_Renderer * renderer, SDL_RenderCommand *cmd, void *vertices, size_t vertsize)
{
SW_RenderData *data = (SW_RenderData *) renderer->driverdata;
SDL_Surface *surface = SW_ActivateRenderer(renderer);
const SDL_Rect *viewport = NULL;
const SDL_Rect *cliprect = NULL;
if (!surface) {
return -1;
}
while (cmd) {
switch (cmd->command) {
case SDL_RENDERCMD_SETDRAWCOLOR: {
break; /* Not used in this backend. */
}
case SDL_RENDERCMD_SETVIEWPORT: {
viewport = &cmd->data.viewport.rect;
SDL_SetClipRect(data->surface, viewport);
break;
}
case SDL_RENDERCMD_SETCLIPRECT: {
SDL_assert(viewport != NULL);
cliprect = cmd->data.cliprect.enabled ? &cmd->data.cliprect.rect : NULL;
if (cliprect) {
SDL_Rect clip_rect;
clip_rect.x = cliprect->x + viewport->x;
clip_rect.y = cliprect->y + viewport->y;
clip_rect.w = cliprect->w;
clip_rect.h = cliprect->h;
SDL_IntersectRect(viewport, &clip_rect, &clip_rect);
SDL_SetClipRect(surface, &clip_rect);
} else {
SDL_SetClipRect(surface, viewport);
}
break;
}
case SDL_RENDERCMD_CLEAR: {
const Uint8 r = cmd->data.color.r;
const Uint8 g = cmd->data.color.g;
const Uint8 b = cmd->data.color.b;
const Uint8 a = cmd->data.color.a;
const SDL_Rect clip_rect = surface->clip_rect;
/* By definition the clear ignores the clip rect */
SDL_SetClipRect(surface, NULL);
SDL_FillRect(surface, NULL, SDL_MapRGBA(surface->format, r, g, b, a));
SDL_SetClipRect(surface, &clip_rect);
break;
}
case SDL_RENDERCMD_DRAW_POINTS: {
const Uint8 r = cmd->data.draw.r;
const Uint8 g = cmd->data.draw.g;
const Uint8 b = cmd->data.draw.b;
const Uint8 a = cmd->data.draw.a;
const int count = (int) cmd->data.draw.count;
const SDL_Point *verts = (SDL_Point *) (((Uint8 *) vertices) + cmd->data.draw.first);
const SDL_BlendMode blend = cmd->data.draw.blend;
if (blend == SDL_BLENDMODE_NONE) {
SDL_DrawPoints(surface, verts, count, SDL_MapRGBA(surface->format, r, g, b, a));
} else {
SDL_BlendPoints(surface, verts, count, blend, r, g, b, a);
}
break;
}
case SDL_RENDERCMD_DRAW_LINES: {
const Uint8 r = cmd->data.draw.r;
const Uint8 g = cmd->data.draw.g;
const Uint8 b = cmd->data.draw.b;
const Uint8 a = cmd->data.draw.a;
const int count = (int) cmd->data.draw.count;
const SDL_Point *verts = (SDL_Point *) (((Uint8 *) vertices) + cmd->data.draw.first);
const SDL_BlendMode blend = cmd->data.draw.blend;
if (blend == SDL_BLENDMODE_NONE) {
SDL_DrawLines(surface, verts, count, SDL_MapRGBA(surface->format, r, g, b, a));
} else {
SDL_BlendLines(surface, verts, count, blend, r, g, b, a);
}
break;
}
case SDL_RENDERCMD_FILL_RECTS: {
const Uint8 r = cmd->data.draw.r;
const Uint8 g = cmd->data.draw.g;
const Uint8 b = cmd->data.draw.b;
const Uint8 a = cmd->data.draw.a;
const int count = (int) cmd->data.draw.count;
const SDL_Rect *verts = (SDL_Rect *) (((Uint8 *) vertices) + cmd->data.draw.first);
const SDL_BlendMode blend = cmd->data.draw.blend;
if (blend == SDL_BLENDMODE_NONE) {
SDL_FillRects(surface, verts, count, SDL_MapRGBA(surface->format, r, g, b, a));
} else {
SDL_BlendFillRects(surface, verts, count, blend, r, g, b, a);
}
break;
}
case SDL_RENDERCMD_COPY: {
SDL_Rect *verts = (SDL_Rect *) (((Uint8 *) vertices) + cmd->data.draw.first);
const SDL_Rect *srcrect = verts;
SDL_Rect *dstrect = verts + 1;
SDL_Texture *texture = cmd->data.draw.texture;
SDL_Surface *src = (SDL_Surface *) texture->driverdata;
PrepTextureForCopy(cmd);
if ( srcrect->w == dstrect->w && srcrect->h == dstrect->h ) {
SDL_BlitSurface(src, srcrect, surface, dstrect);
} else {
/* If scaling is ever done, permanently disable RLE (which doesn't support scaling)
* to avoid potentially frequent RLE encoding/decoding.
*/
SDL_SetSurfaceRLE(surface, 0);
SDL_BlitScaled(src, srcrect, surface, dstrect);
}
break;
}
case SDL_RENDERCMD_COPY_EX: {
const CopyExData *copydata = (CopyExData *) (((Uint8 *) vertices) + cmd->data.draw.first);
PrepTextureForCopy(cmd);
SW_RenderCopyEx(renderer, surface, cmd->data.draw.texture, &copydata->srcrect,
&copydata->dstrect, copydata->angle, &copydata->center, copydata->flip);
break;
}
case SDL_RENDERCMD_NO_OP:
break;
}
cmd = cmd->next;
}
return 0;
}
static int
SW_RenderReadPixels(SDL_Renderer * renderer, const SDL_Rect * rect,
Uint32 format, void * pixels, int pitch)
@@ -889,6 +767,91 @@ SW_DestroyRenderer(SDL_Renderer * renderer)
SDL_free(renderer);
}
SDL_Renderer *
SW_CreateRendererForSurface(SDL_Surface * surface)
{
SDL_Renderer *renderer;
SW_RenderData *data;
if (!surface) {
SDL_SetError("Can't create renderer for NULL surface");
return NULL;
}
renderer = (SDL_Renderer *) SDL_calloc(1, sizeof(*renderer));
if (!renderer) {
SDL_OutOfMemory();
return NULL;
}
data = (SW_RenderData *) SDL_calloc(1, sizeof(*data));
if (!data) {
SW_DestroyRenderer(renderer);
SDL_OutOfMemory();
return NULL;
}
data->surface = surface;
data->window = surface;
renderer->WindowEvent = SW_WindowEvent;
renderer->GetOutputSize = SW_GetOutputSize;
renderer->CreateTexture = SW_CreateTexture;
renderer->UpdateTexture = SW_UpdateTexture;
renderer->LockTexture = SW_LockTexture;
renderer->UnlockTexture = SW_UnlockTexture;
renderer->SetRenderTarget = SW_SetRenderTarget;
renderer->QueueSetViewport = SW_QueueSetViewport;
renderer->QueueSetDrawColor = SW_QueueSetViewport; /* SetViewport and SetDrawColor are (currently) no-ops. */
renderer->QueueDrawPoints = SW_QueueDrawPoints;
renderer->QueueDrawLines = SW_QueueDrawPoints; /* lines and points queue vertices the same way. */
renderer->QueueFillRects = SW_QueueFillRects;
renderer->QueueCopy = SW_QueueCopy;
renderer->QueueCopyEx = SW_QueueCopyEx;
renderer->RunCommandQueue = SW_RunCommandQueue;
renderer->RenderReadPixels = SW_RenderReadPixels;
renderer->RenderPresent = SW_RenderPresent;
renderer->DestroyTexture = SW_DestroyTexture;
renderer->DestroyRenderer = SW_DestroyRenderer;
renderer->info = SW_RenderDriver.info;
renderer->driverdata = data;
SW_ActivateRenderer(renderer);
return renderer;
}
static SDL_Renderer *
SW_CreateRenderer(SDL_Window * window, Uint32 flags)
{
SDL_Surface *surface;
surface = SDL_GetWindowSurface(window);
if (!surface) {
return NULL;
}
return SW_CreateRendererForSurface(surface);
}
SDL_RenderDriver SW_RenderDriver = {
SW_CreateRenderer,
{
"software",
SDL_RENDERER_SOFTWARE | SDL_RENDERER_TARGETTEXTURE,
8,
{
SDL_PIXELFORMAT_ARGB8888,
SDL_PIXELFORMAT_ABGR8888,
SDL_PIXELFORMAT_RGBA8888,
SDL_PIXELFORMAT_BGRA8888,
SDL_PIXELFORMAT_RGB888,
SDL_PIXELFORMAT_BGR888,
SDL_PIXELFORMAT_RGB565,
SDL_PIXELFORMAT_RGB555
},
0,
0}
};
#endif /* !SDL_RENDER_DISABLED */
/* vi: set ts=4 sw=4 expandtab: */
libs/SDL2/src/render/software/SDL_render_sw_c.h
+5
View File
@@ -19,6 +19,11 @@
3. This notice may not be removed or altered from any source distribution.
*/
#ifndef SDL_render_sw_c_h_
#define SDL_render_sw_c_h_
extern SDL_Renderer * SW_CreateRendererForSurface(SDL_Surface * surface);
#endif /* SDL_render_sw_c_h_ */
/* vi: set ts=4 sw=4 expandtab: */
libs/SDL2/src/render/software/SDL_rotate.c
+7 -3
View File
@@ -83,7 +83,9 @@ static Uint32
_colorkey(SDL_Surface *src)
{
Uint32 key = 0;
SDL_GetColorKey(src, &key);
if (SDL_HasColorKey(src)) {
SDL_GetColorKey(src, &key);
}
return key;
}
@@ -424,8 +426,10 @@ SDLgfx_rotateSurface(SDL_Surface * src, double angle, int centerx, int centery,
if (src == NULL)
return NULL;
if (SDL_GetColorKey(src, &colorkey) == 0) {
colorKeyAvailable = SDL_TRUE;
if (SDL_HasColorKey(src)) {
if (SDL_GetColorKey(src, &colorkey) == 0) {
colorKeyAvailable = SDL_TRUE;
}
}
/* This function requires a 32-bit surface or 8-bit surface with a colorkey */
libs/SDL2/src/render/software/SDL_rotate.h
+4
View File
@@ -19,6 +19,9 @@
3. This notice may not be removed or altered from any source distribution.
*/
#ifndef SDL_rotate_h_
#define SDL_rotate_h_
#ifndef MIN
#define MIN(a,b) (((a) < (b)) ? (a) : (b))
#endif
@@ -26,3 +29,4 @@
extern 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);
extern void SDLgfx_rotozoomSurfaceSizeTrig(int width, int height, double angle, int *dstwidth, int *dstheight, double *cangle, double *sangle);
#endif /* SDL_rotate_h_ */