eden-emu/SDL
14
0
Fork 0
mirror of https://github.com/libsdl-org/SDL.git synced 2025-05-16 09:48:26 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 2

Added SDL_BlitSurface9Grid() and SDL_RenderTexture9Grid()

Browse source
This commit is contained in:
Sam Lantinga 2024-07-20 16:39:09 -07:00
parent 9294476788
commit 6209c71f54
9 changed files with 583 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

160
test/testautomation_render.c
View file

@ -365,6 +365,161 @@ static int render_testBlitTiled(void *arg)
return TEST_COMPLETED;
}
static const Uint8 COLOR_SEPARATION = 85;
static void Fill9GridReferenceSurface(SDL_Surface *surface, int corner_size)
{
SDL_Rect rect;
// Upper left
rect.x = 0;
rect.y = 0;
rect.w = corner_size;
rect.h = corner_size;
SDL_FillSurfaceRect(surface, &rect, SDL_MapSurfaceRGB(surface, 1 * COLOR_SEPARATION, 1 * COLOR_SEPARATION, 0));
// Top
rect.x = corner_size;
rect.y = 0;
rect.w = surface->w - 2 * corner_size;
rect.h = corner_size;
SDL_FillSurfaceRect(surface, &rect, SDL_MapSurfaceRGB(surface, 2 * COLOR_SEPARATION, 1 * COLOR_SEPARATION, 0));
// Upper right
rect.x = surface->w - corner_size;
rect.y = 0;
rect.w = corner_size;
rect.h = corner_size;
SDL_FillSurfaceRect(surface, &rect, SDL_MapSurfaceRGB(surface, 3 * COLOR_SEPARATION, 1 * COLOR_SEPARATION, 0));
// Left
rect.x = 0;
rect.y = corner_size;
rect.w = corner_size;
rect.h = surface->h - 2 * corner_size;
SDL_FillSurfaceRect(surface, &rect, SDL_MapSurfaceRGB(surface, 1 * COLOR_SEPARATION, 2 * COLOR_SEPARATION, 0));
// Center
rect.x = corner_size;
rect.y = corner_size;
rect.w = surface->w - 2 * corner_size;
rect.h = surface->h - 2 * corner_size;
SDL_FillSurfaceRect(surface, &rect, SDL_MapSurfaceRGB(surface, 2 * COLOR_SEPARATION, 2 * COLOR_SEPARATION, 0));
// Right
rect.x = surface->w - corner_size;
rect.y = corner_size;
rect.w = corner_size;
rect.h = surface->h - 2 * corner_size;
SDL_FillSurfaceRect(surface, &rect, SDL_MapSurfaceRGB(surface, 3 * COLOR_SEPARATION, 2 * COLOR_SEPARATION, 0));
// Lower left
rect.x = 0;
rect.y = surface->h - corner_size;
rect.w = corner_size;
rect.h = corner_size;
SDL_FillSurfaceRect(surface, &rect, SDL_MapSurfaceRGB(surface, 1 * COLOR_SEPARATION, 3 * COLOR_SEPARATION, 0));
// Bottom
rect.x = corner_size;
rect.y = surface->h - corner_size;
rect.w = surface->w - 2 * corner_size;
rect.h = corner_size;
SDL_FillSurfaceRect(surface, &rect, SDL_MapSurfaceRGB(surface, 2 * COLOR_SEPARATION, 3 * COLOR_SEPARATION, 0));
// Lower right
rect.x = surface->w - corner_size;
rect.y = surface->h - corner_size;
rect.w = corner_size;
rect.h = corner_size;
SDL_FillSurfaceRect(surface, &rect, SDL_MapSurfaceRGB(surface, 3 * COLOR_SEPARATION, 3 * COLOR_SEPARATION, 0));
}
/**
* Tests 9-grid blitting.
*/
static int render_testBlit9Grid(void *arg)
{
SDL_Surface *referenceSurface = NULL;
SDL_Surface *source = NULL;
SDL_Texture *texture;
int x, y;
SDL_FRect rect;
int ret = 0;
/* Create source surface */
source = SDL_CreateSurface(3, 3, SDL_PIXELFORMAT_RGBA32);
SDLTest_AssertCheck(source != NULL, "Verify source surface is not NULL");
for (y = 0; y < 3; ++y) {
for (x = 0; x < 3; ++x) {
SDL_WriteSurfacePixel(source, x, y, (Uint8)((1 + x) * COLOR_SEPARATION), (Uint8)((1 + y) * COLOR_SEPARATION), 0, 255);
}
}
texture = SDL_CreateTextureFromSurface(renderer, source);
SDLTest_AssertCheck(texture != NULL, "Verify source texture is not NULL");
ret = SDL_SetTextureScaleMode(texture, SDL_SCALEMODE_NEAREST);
SDLTest_AssertCheck(ret == 0, "Validate results from call to SDL_SetTextureScaleMode, expected: 0, got: %i", ret);
/* 9-grid blit - 1.0 scale */
{
/* Create reference surface */
SDL_DestroySurface(referenceSurface);
referenceSurface = SDL_CreateSurface(TESTRENDER_SCREEN_W, TESTRENDER_SCREEN_H, SDL_PIXELFORMAT_RGBA32);
SDLTest_AssertCheck(referenceSurface != NULL, "Verify reference surface is not NULL");
Fill9GridReferenceSurface(referenceSurface, 1);
/* Clear surface. */
clearScreen();
/* Tiled blit. */
rect.x = 0.0f;
rect.y = 0.0f;
rect.w = (float)TESTRENDER_SCREEN_W;
rect.h = (float)TESTRENDER_SCREEN_H;
ret = SDL_RenderTexture9Grid(renderer, texture, NULL, 1.0f, 1.0f, &rect);
SDLTest_AssertCheck(ret == 0, "Validate results from call to SDL_RenderTexture9Grid, expected: 0, got: %i", ret);
/* See if it's the same */
compare(referenceSurface, ALLOWABLE_ERROR_OPAQUE);
/* Make current */
SDL_RenderPresent(renderer);
}
/* 9-grid blit - 2.0 scale */
{
/* Create reference surface */
SDL_DestroySurface(referenceSurface);
referenceSurface = SDL_CreateSurface(TESTRENDER_SCREEN_W, TESTRENDER_SCREEN_H, SDL_PIXELFORMAT_RGBA32);
SDLTest_AssertCheck(referenceSurface != NULL, "Verify reference surface is not NULL");
Fill9GridReferenceSurface(referenceSurface, 2);
/* Clear surface. */
clearScreen();
/* Tiled blit. */
rect.x = 0.0f;
rect.y = 0.0f;
rect.w = (float)TESTRENDER_SCREEN_W;
rect.h = (float)TESTRENDER_SCREEN_H;
ret = SDL_RenderTexture9Grid(renderer, texture, NULL, 1.0f, 2.0f, &rect);
SDLTest_AssertCheck(ret == 0, "Validate results from call to SDL_RenderTexture9Grid, expected: 0, got: %i", ret);
/* See if it's the same */
compare(referenceSurface, ALLOWABLE_ERROR_OPAQUE);
/* Make current */
SDL_RenderPresent(renderer);
}
/* Clean up. */
SDL_DestroySurface(referenceSurface);
SDL_DestroySurface(source);
SDL_DestroyTexture(texture);
return TEST_COMPLETED;
}
/**
* Blits doing color tests.
*
@ -1306,6 +1461,10 @@ static const SDLTest_TestCaseReference renderTestBlitTiled = {
(SDLTest_TestCaseFp)render_testBlitTiled, "render_testBlitTiled", "Tests tiled blitting", TEST_ENABLED
};
static const SDLTest_TestCaseReference renderTestBlit9Grid = {
(SDLTest_TestCaseFp)render_testBlit9Grid, "render_testBlit9Grid", "Tests 9-grid blitting", TEST_ENABLED
};
static const SDLTest_TestCaseReference renderTestBlitColor = {
(SDLTest_TestCaseFp)render_testBlitColor, "render_testBlitColor", "Tests blitting with color", TEST_ENABLED
};
@ -1337,6 +1496,7 @@ static const SDLTest_TestCaseReference *renderTests[] = {
&renderTestPrimitivesWithViewport,
&renderTestBlit,
&renderTestBlitTiled,
&renderTestBlit9Grid,
&renderTestBlitColor,
&renderTestBlendModes,
&renderTestViewport,