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Renamed files for consistency

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--HG--
rename : src/render/direct3d/SDL_d3drender.c => src/render/direct3d/SDL_render_d3d.c
rename : src/render/opengl/SDL_renderer_gl.c => src/render/opengl/SDL_render_gl.c
rename : src/render/opengles/SDL_renderer_gles.c => src/render/opengles/SDL_render_gles.c
rename : src/render/software/SDL_renderer_sw.c => src/render/software/SDL_render_sw.c
rename : src/render/software/SDL_renderer_sw_c.h => src/render/software/SDL_render_sw_c.h
This commit is contained in:
Sam Lantinga 2011-02-05 12:01:11 -08:00
parent 991558a464
commit f002356b91
6 changed files with 1 additions and 1 deletions
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418
src/render/software/SDL_renderer_sw.c
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@ -1,418 +0,0 @@
/*
SDL - Simple DirectMedia Layer
Copyright (C) 1997-2010 Sam Lantinga
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Sam Lantinga
slouken@libsdl.org
*/
#include "SDL_config.h"
#include "../SDL_sysrender.h"
#include "../../video/SDL_pixels_c.h"
#include "SDL_draw.h"
#include "SDL_blendfillrect.h"
#include "SDL_blendline.h"
#include "SDL_blendpoint.h"
#include "SDL_drawline.h"
#include "SDL_drawpoint.h"
/* 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_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_RenderDrawPoints(SDL_Renderer * renderer,
const SDL_Point * points, int count);
static int SW_RenderDrawLines(SDL_Renderer * renderer,
const SDL_Point * points, int count);
static int SW_RenderFillRects(SDL_Renderer * renderer,
const SDL_Rect ** rects, int count);
static int SW_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * srcrect, const SDL_Rect * dstrect);
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",
0,
8,
{
SDL_PIXELFORMAT_RGB555,
SDL_PIXELFORMAT_RGB565,
SDL_PIXELFORMAT_RGB888,
SDL_PIXELFORMAT_BGR888,
SDL_PIXELFORMAT_ARGB8888,
SDL_PIXELFORMAT_RGBA8888,
SDL_PIXELFORMAT_ABGR8888,
SDL_PIXELFORMAT_BGRA8888
},
0,
0}
};
typedef struct
{
SDL_bool updateSize;
SDL_Surface *surface;
} SW_RenderData;
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;
renderer->WindowEvent = SW_WindowEvent;
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->DestroyTexture = SW_DestroyTexture;
renderer->RenderDrawPoints = SW_RenderDrawPoints;
renderer->RenderDrawLines = SW_RenderDrawLines;
renderer->RenderFillRects = SW_RenderFillRects;
renderer->RenderCopy = SW_RenderCopy;
renderer->RenderReadPixels = SW_RenderReadPixels;
renderer->RenderPresent = SW_RenderPresent;
renderer->DestroyRenderer = SW_DestroyRenderer;
renderer->info = SW_RenderDriver.info;
renderer->driverdata = data;
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 SDL_Surface *
SW_ActivateRenderer(SDL_Renderer * renderer)
{
SW_RenderData *data = (SW_RenderData *) renderer->driverdata;
SDL_Window *window = renderer->window;
if (data->updateSize) {
data->surface = SDL_GetWindowSurface(window);
data->updateSize = SDL_FALSE;
}
return data->surface;
}
static void
SW_WindowEvent(SDL_Renderer * renderer, const SDL_WindowEvent *event)
{
SW_RenderData *data = (SW_RenderData *) renderer->driverdata;
if (event->event == SDL_WINDOWEVENT_RESIZED) {
data->updateSize = SDL_TRUE;
}
}
static int
SW_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture)
{
int bpp;
Uint32 Rmask, Gmask, Bmask, Amask;
if (!SDL_PixelFormatEnumToMasks
(texture->format, &bpp, &Rmask, &Gmask, &Bmask, &Amask)) {
SDL_SetError("Unknown texture format");
return -1;
}
texture->driverdata =
SDL_CreateRGBSurface(0, texture->w, texture->h, bpp, Rmask, Gmask,
Bmask, Amask);
SDL_SetSurfaceColorMod(texture->driverdata, texture->r, texture->g,
texture->b);
SDL_SetSurfaceAlphaMod(texture->driverdata, texture->a);
SDL_SetSurfaceBlendMode(texture->driverdata, texture->blendMode);
if (texture->access == SDL_TEXTUREACCESS_STATIC) {
SDL_SetSurfaceRLE(texture->driverdata, 1);
}
if (!texture->driverdata) {
return -1;
}
return 0;
}
static int
SW_SetTextureColorMod(SDL_Renderer * renderer, SDL_Texture * texture)
{
SDL_Surface *surface = (SDL_Surface *) texture->driverdata;
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;
return SDL_SetSurfaceAlphaMod(surface, texture->a);
}
static int
SW_SetTextureBlendMode(SDL_Renderer * renderer, SDL_Texture * texture)
{
SDL_Surface *surface = (SDL_Surface *) texture->driverdata;
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)
{
SDL_Surface *surface = (SDL_Surface *) texture->driverdata;
Uint8 *src, *dst;
int row;
size_t length;
src = (Uint8 *) pixels;
dst = (Uint8 *) surface->pixels +
rect->y * surface->pitch +
rect->x * surface->format->BytesPerPixel;
length = rect->w * surface->format->BytesPerPixel;
for (row = 0; row < rect->h; ++row) {
SDL_memcpy(dst, src, length);
src += pitch;
dst += surface->pitch;
}
return 0;
}
static int
SW_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * rect, void **pixels, int *pitch)
{
SDL_Surface *surface = (SDL_Surface *) texture->driverdata;
*pixels =
(void *) ((Uint8 *) surface->pixels + rect->y * surface->pitch +
rect->x * surface->format->BytesPerPixel);
*pitch = surface->pitch;
return 0;
}
static void
SW_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture)
{
}
static int
SW_RenderDrawPoints(SDL_Renderer * renderer, const SDL_Point * points,
int count)
{
SDL_Surface *surface = SW_ActivateRenderer(renderer);
if (!surface) {
return -1;
}
/* Draw the points! */
if (renderer->blendMode == SDL_BLENDMODE_NONE) {
Uint32 color = SDL_MapRGBA(surface->format,
renderer->r, renderer->g, renderer->b,
renderer->a);
return SDL_DrawPoints(surface, points, count, color);
} else {
return SDL_BlendPoints(surface, points, count,
renderer->blendMode,
renderer->r, renderer->g, renderer->b,
renderer->a);
}
}
static int
SW_RenderDrawLines(SDL_Renderer * renderer, const SDL_Point * points,
int count)
{
SDL_Surface *surface = SW_ActivateRenderer(renderer);
if (!surface) {
return -1;
}
/* Draw the lines! */
if (renderer->blendMode == SDL_BLENDMODE_NONE) {
Uint32 color = SDL_MapRGBA(surface->format,
renderer->r, renderer->g, renderer->b,
renderer->a);
return SDL_DrawLines(surface, points, count, color);
} else {
return SDL_BlendLines(surface, points, count,
renderer->blendMode,
renderer->r, renderer->g, renderer->b,
renderer->a);
}
}
static int
SW_RenderFillRects(SDL_Renderer * renderer, const SDL_Rect ** rects,
int count)
{
SDL_Surface *surface = SW_ActivateRenderer(renderer);
if (!surface) {
return -1;
}
if (renderer->blendMode == SDL_BLENDMODE_NONE) {
Uint32 color = SDL_MapRGBA(surface->format,
renderer->r, renderer->g, renderer->b,
renderer->a);
return SDL_FillRects(surface, rects, count, color);
} else {
return SDL_BlendFillRects(surface, rects, count,
renderer->blendMode,
renderer->r, renderer->g, renderer->b,
renderer->a);
}
}
static int
SW_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * srcrect, const SDL_Rect * dstrect)
{
SDL_Surface *surface = SW_ActivateRenderer(renderer);
SDL_Surface *src = (SDL_Surface *) texture->driverdata;
SDL_Rect final_rect = *dstrect;
if (!surface) {
return -1;
}
return SDL_BlitSurface(src, srcrect, surface, &final_rect);
}
static int
SW_RenderReadPixels(SDL_Renderer * renderer, const SDL_Rect * rect,
Uint32 format, void * pixels, int pitch)
{
SDL_Surface *surface = SW_ActivateRenderer(renderer);
Uint32 src_format;
void *src_pixels;
if (!surface) {
return -1;
}
if (rect->x < 0 || rect->x+rect->w > surface->w ||
rect->y < 0 || rect->y+rect->h > surface->h) {
SDL_SetError("Tried to read outside of surface bounds");
return -1;
}
src_format = SDL_MasksToPixelFormatEnum(
surface->format->BitsPerPixel,
surface->format->Rmask, surface->format->Gmask,
surface->format->Bmask, surface->format->Amask);
src_pixels = (void*)((Uint8 *) surface->pixels +
rect->y * surface->pitch +
rect->x * surface->format->BytesPerPixel);
return SDL_ConvertPixels(rect->w, rect->h,
src_format, src_pixels, surface->pitch,
format, pixels, pitch);
}
static void
SW_RenderPresent(SDL_Renderer * renderer)
{
SW_RenderData *data = (SW_RenderData *) renderer->driverdata;
SDL_Window *window = renderer->window;
if (window) {
SDL_UpdateWindowSurface(window);
}
}
static void
SW_DestroyTexture(SDL_Renderer * renderer, SDL_Texture * texture)
{
SDL_Surface *surface = (SDL_Surface *) texture->driverdata;
SDL_FreeSurface(surface);
}
static void
SW_DestroyRenderer(SDL_Renderer * renderer)
{
SW_RenderData *data = (SW_RenderData *) renderer->driverdata;
if (data) {
SDL_free(data);
}
SDL_free(renderer);
}
/* vi: set ts=4 sw=4 expandtab: */