1166 lines
36 KiB
C
1166 lines
36 KiB
C
/**
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* Original code: automated SDL platform test written by Edgar Simo "bobbens"
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* Extended and extensively updated by aschiffler at ferzkopp dot net
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*/
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#include <SDL3/SDL.h>
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#include <SDL3/SDL_test.h>
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#include "testautomation_images.h"
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/* ================= Test Case Implementation ================== */
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#define TESTRENDER_SCREEN_W 80
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#define TESTRENDER_SCREEN_H 60
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#define RENDER_COMPARE_FORMAT SDL_PIXELFORMAT_ARGB8888
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#define ALLOWABLE_ERROR_OPAQUE 0
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#define ALLOWABLE_ERROR_BLENDED 64
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/* Test window and renderer */
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SDL_Window *window = NULL;
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SDL_Renderer *renderer = NULL;
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/* Prototypes for helper functions */
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static int clearScreen(void);
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static void compare(SDL_Surface *reference, int allowable_error);
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static int hasTexAlpha(void);
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static int hasTexColor(void);
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static SDL_Texture *loadTestFace(void);
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static int hasBlendModes(void);
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static int hasDrawColor(void);
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static int isSupported(int code);
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/**
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* Create software renderer for tests
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*/
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void InitCreateRenderer(void *arg)
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{
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int posX = 100, posY = 100, width = 320, height = 240;
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renderer = NULL;
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window = SDL_CreateWindow("render_testCreateRenderer", posX, posY, width, height, 0);
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SDLTest_AssertPass("SDL_CreateWindow()");
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SDLTest_AssertCheck(window != NULL, "Check SDL_CreateWindow result");
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if (window == NULL) {
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return;
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}
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renderer = SDL_CreateRenderer(window, NULL, SDL_RENDERER_ACCELERATED);
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SDLTest_AssertPass("SDL_CreateRenderer()");
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SDLTest_AssertCheck(renderer != NULL, "Check SDL_CreateRenderer result");
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if (renderer == NULL) {
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SDL_DestroyWindow(window);
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return;
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}
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}
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/*
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* Destroy renderer for tests
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*/
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void CleanupDestroyRenderer(void *arg)
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{
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if (renderer != NULL) {
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SDL_DestroyRenderer(renderer);
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renderer = NULL;
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SDLTest_AssertPass("SDL_DestroyRenderer()");
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}
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if (window != NULL) {
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SDL_DestroyWindow(window);
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window = NULL;
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SDLTest_AssertPass("SDL_DestroyWindow");
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}
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}
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/**
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* @brief Tests call to SDL_GetNumRenderDrivers
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*
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* \sa
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* http://wiki.libsdl.org/SDL_GetNumRenderDrivers
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*/
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int render_testGetNumRenderDrivers(void *arg)
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{
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int n;
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n = SDL_GetNumRenderDrivers();
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SDLTest_AssertCheck(n >= 1, "Number of renderers >= 1, reported as %i", n);
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return TEST_COMPLETED;
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}
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/**
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* @brief Tests the SDL primitives for rendering.
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*
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* \sa
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* http://wiki.libsdl.org/SDL_SetRenderDrawColor
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* http://wiki.libsdl.org/SDL_RenderFillRect
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* http://wiki.libsdl.org/SDL_RenderLine
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*
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*/
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int render_testPrimitives(void *arg)
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{
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int ret;
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int x, y;
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SDL_FRect rect;
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SDL_Surface *referenceSurface = NULL;
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int checkFailCount1;
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int checkFailCount2;
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/* Clear surface. */
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clearScreen();
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/* Need drawcolor or just skip test. */
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SDLTest_AssertCheck(hasDrawColor(), "_hasDrawColor");
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/* Draw a rectangle. */
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rect.x = 40.0f;
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rect.y = 0.0f;
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rect.w = 40.0f;
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rect.h = 80.0f;
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ret = SDL_SetRenderDrawColor(renderer, 13, 73, 200, SDL_ALPHA_OPAQUE);
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SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetRenderDrawColor, expected: 0, got: %i", ret);
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ret = SDL_RenderFillRect(renderer, &rect);
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SDLTest_AssertCheck(ret == 0, "Validate result from SDL_RenderFillRect, expected: 0, got: %i", ret);
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/* Draw a rectangle. */
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rect.x = 10.0f;
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rect.y = 10.0f;
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rect.w = 60.0f;
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rect.h = 40.0f;
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ret = SDL_SetRenderDrawColor(renderer, 200, 0, 100, SDL_ALPHA_OPAQUE);
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SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetRenderDrawColor, expected: 0, got: %i", ret);
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ret = SDL_RenderFillRect(renderer, &rect);
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SDLTest_AssertCheck(ret == 0, "Validate result from SDL_RenderFillRect, expected: 0, got: %i", ret);
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/* Draw some points like so:
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* X.X.X.X..
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* .X.X.X.X.
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* X.X.X.X.. */
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checkFailCount1 = 0;
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checkFailCount2 = 0;
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for (y = 0; y < 3; y++) {
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for (x = y % 2; x < TESTRENDER_SCREEN_W; x += 2) {
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ret = SDL_SetRenderDrawColor(renderer, x * y, x * y / 2, x * y / 3, SDL_ALPHA_OPAQUE);
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if (ret != 0) {
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checkFailCount1++;
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}
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ret = SDL_RenderPoint(renderer, (float)x, (float)y);
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if (ret != 0) {
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checkFailCount2++;
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}
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}
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}
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SDLTest_AssertCheck(checkFailCount1 == 0, "Validate results from calls to SDL_SetRenderDrawColor, expected: 0, got: %i", checkFailCount1);
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SDLTest_AssertCheck(checkFailCount2 == 0, "Validate results from calls to SDL_RenderPoint, expected: 0, got: %i", checkFailCount2);
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/* Draw some lines. */
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ret = SDL_SetRenderDrawColor(renderer, 0, 255, 0, SDL_ALPHA_OPAQUE);
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SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetRenderDrawColor");
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ret = SDL_RenderLine(renderer, 0.0f, 30.0f, (float)TESTRENDER_SCREEN_W, 30.0f);
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SDLTest_AssertCheck(ret == 0, "Validate result from SDL_RenderLine, expected: 0, got: %i", ret);
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ret = SDL_SetRenderDrawColor(renderer, 55, 55, 5, SDL_ALPHA_OPAQUE);
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SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetRenderDrawColor, expected: 0, got: %i", ret);
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ret = SDL_RenderLine(renderer, 40.0f, 30.0f, 40.0f, 60.0f);
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SDLTest_AssertCheck(ret == 0, "Validate result from SDL_RenderLine, expected: 0, got: %i", ret);
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ret = SDL_SetRenderDrawColor(renderer, 5, 105, 105, SDL_ALPHA_OPAQUE);
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SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetRenderDrawColor, expected: 0, got: %i", ret);
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ret = SDL_RenderLine(renderer, 0.0f, 0.0f, 29.0f, 29.0f);
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SDLTest_AssertCheck(ret == 0, "Validate result from SDL_RenderLine, expected: 0, got: %i", ret);
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ret = SDL_RenderLine(renderer, 29.0f, 30.0f, 0.0f, 59.0f);
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SDLTest_AssertCheck(ret == 0, "Validate result from SDL_RenderLine, expected: 0, got: %i", ret);
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ret = SDL_RenderLine(renderer, 79.0f, 0.0f, 50.0f, 29.0f);
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SDLTest_AssertCheck(ret == 0, "Validate result from SDL_RenderLine, expected: 0, got: %i", ret);
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ret = SDL_RenderLine(renderer, 79.0f, 59.0f, 50.0f, 30.0f);
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SDLTest_AssertCheck(ret == 0, "Validate result from SDL_RenderLine, expected: 0, got: %i", ret);
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/* See if it's the same. */
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referenceSurface = SDLTest_ImagePrimitives();
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compare(referenceSurface, ALLOWABLE_ERROR_OPAQUE);
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/* Make current */
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SDL_RenderPresent(renderer);
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/* Clean up. */
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SDL_DestroySurface(referenceSurface);
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referenceSurface = NULL;
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return TEST_COMPLETED;
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}
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/**
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* @brief Tests the SDL primitives with alpha for rendering.
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*
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* \sa
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* http://wiki.libsdl.org/SDL_SetRenderDrawColor
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* http://wiki.libsdl.org/SDL_SetRenderDrawBlendMode
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* http://wiki.libsdl.org/SDL_RenderFillRect
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*/
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int render_testPrimitivesBlend(void *arg)
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{
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int ret;
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int i, j;
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SDL_FRect rect;
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SDL_Surface *referenceSurface = NULL;
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int checkFailCount1;
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int checkFailCount2;
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int checkFailCount3;
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/* Clear surface. */
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clearScreen();
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/* Need drawcolor and blendmode or just skip test. */
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SDLTest_AssertCheck(hasDrawColor(), "_hasDrawColor");
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SDLTest_AssertCheck(hasBlendModes(), "_hasBlendModes");
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/* Create some rectangles for each blend mode. */
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ret = SDL_SetRenderDrawColor(renderer, 255, 255, 255, 0);
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SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetRenderDrawColor, expected: 0, got: %i", ret);
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ret = SDL_SetRenderDrawBlendMode(renderer, SDL_BLENDMODE_NONE);
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SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetRenderDrawBlendMode, expected: 0, got: %i", ret);
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ret = SDL_RenderFillRect(renderer, NULL);
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SDLTest_AssertCheck(ret == 0, "Validate result from SDL_RenderFillRect, expected: 0, got: %i", ret);
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rect.x = 10.0f;
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rect.y = 25.0f;
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rect.w = 40.0f;
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rect.h = 25.0f;
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ret = SDL_SetRenderDrawColor(renderer, 240, 10, 10, 75);
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SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetRenderDrawColor, expected: 0, got: %i", ret);
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ret = SDL_SetRenderDrawBlendMode(renderer, SDL_BLENDMODE_ADD);
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SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetRenderDrawBlendMode, expected: 0, got: %i", ret);
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ret = SDL_RenderFillRect(renderer, &rect);
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SDLTest_AssertCheck(ret == 0, "Validate result from SDL_RenderFillRect, expected: 0, got: %i", ret);
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rect.x = 30.0f;
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rect.y = 40.0f;
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rect.w = 45.0f;
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rect.h = 15.0f;
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ret = SDL_SetRenderDrawColor(renderer, 10, 240, 10, 100);
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SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetRenderDrawColor, expected: 0, got: %i", ret);
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ret = SDL_SetRenderDrawBlendMode(renderer, SDL_BLENDMODE_BLEND);
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SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetRenderDrawBlendMode, expected: 0, got: %i", ret);
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ret = SDL_RenderFillRect(renderer, &rect);
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SDLTest_AssertCheck(ret == 0, "Validate result from SDL_RenderFillRect, expected: 0, got: %i", ret);
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rect.x = 25.0f;
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rect.y = 25.0f;
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rect.w = 25.0f;
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rect.h = 25.0f;
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ret = SDL_SetRenderDrawColor(renderer, 10, 10, 240, 125);
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SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetRenderDrawColor, expected: 0, got: %i", ret);
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ret = SDL_SetRenderDrawBlendMode(renderer, SDL_BLENDMODE_NONE);
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SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetRenderDrawBlendMode, expected: 0, got: %i", ret);
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ret = SDL_RenderFillRect(renderer, &rect);
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SDLTest_AssertCheck(ret == 0, "Validate result from SDL_RenderFillRect, expected: 0, got: %i", ret);
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/* Draw blended lines, lines for everyone. */
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checkFailCount1 = 0;
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checkFailCount2 = 0;
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checkFailCount3 = 0;
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for (i = 0; i < TESTRENDER_SCREEN_W; i += 2) {
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ret = SDL_SetRenderDrawColor(renderer, 60 + 2 * i, 240 - 2 * i, 50, 3 * i);
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if (ret != 0) {
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checkFailCount1++;
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}
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ret = SDL_SetRenderDrawBlendMode(renderer, (((i / 2) % 3) == 0) ? SDL_BLENDMODE_BLEND : (((i / 2) % 3) == 1) ? SDL_BLENDMODE_ADD
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: SDL_BLENDMODE_NONE);
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if (ret != 0) {
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checkFailCount2++;
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}
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ret = SDL_RenderLine(renderer, 0.0f, 0.0f, (float)i, 59.0f);
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if (ret != 0) {
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checkFailCount3++;
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}
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}
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SDLTest_AssertCheck(checkFailCount1 == 0, "Validate results from calls to SDL_SetRenderDrawColor, expected: 0, got: %i", checkFailCount1);
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SDLTest_AssertCheck(checkFailCount2 == 0, "Validate results from calls to SDL_SetRenderDrawBlendMode, expected: 0, got: %i", checkFailCount2);
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SDLTest_AssertCheck(checkFailCount3 == 0, "Validate results from calls to SDL_RenderLine, expected: 0, got: %i", checkFailCount3);
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checkFailCount1 = 0;
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checkFailCount2 = 0;
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checkFailCount3 = 0;
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for (i = 0; i < TESTRENDER_SCREEN_H; i += 2) {
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ret = SDL_SetRenderDrawColor(renderer, 60 + 2 * i, 240 - 2 * i, 50, 3 * i);
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if (ret != 0) {
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checkFailCount1++;
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}
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ret = SDL_SetRenderDrawBlendMode(renderer, (((i / 2) % 3) == 0) ? SDL_BLENDMODE_BLEND : (((i / 2) % 3) == 1) ? SDL_BLENDMODE_ADD
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: SDL_BLENDMODE_NONE);
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if (ret != 0) {
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checkFailCount2++;
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}
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ret = SDL_RenderLine(renderer, 0.0f, 0.0f, 79.0f, (float)i);
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if (ret != 0) {
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checkFailCount3++;
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}
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}
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SDLTest_AssertCheck(checkFailCount1 == 0, "Validate results from calls to SDL_SetRenderDrawColor, expected: 0, got: %i", checkFailCount1);
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SDLTest_AssertCheck(checkFailCount2 == 0, "Validate results from calls to SDL_SetRenderDrawBlendMode, expected: 0, got: %i", checkFailCount2);
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SDLTest_AssertCheck(checkFailCount3 == 0, "Validate results from calls to SDL_RenderLine, expected: 0, got: %i", checkFailCount3);
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/* Draw points. */
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checkFailCount1 = 0;
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checkFailCount2 = 0;
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checkFailCount3 = 0;
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for (j = 0; j < TESTRENDER_SCREEN_H; j += 3) {
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for (i = 0; i < TESTRENDER_SCREEN_W; i += 3) {
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ret = SDL_SetRenderDrawColor(renderer, j * 4, i * 3, j * 4, i * 3);
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if (ret != 0) {
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checkFailCount1++;
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}
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ret = SDL_SetRenderDrawBlendMode(renderer, ((((i + j) / 3) % 3) == 0) ? SDL_BLENDMODE_BLEND : ((((i + j) / 3) % 3) == 1) ? SDL_BLENDMODE_ADD
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: SDL_BLENDMODE_NONE);
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if (ret != 0) {
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checkFailCount2++;
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}
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ret = SDL_RenderPoint(renderer, (float)i, (float)j);
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if (ret != 0) {
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checkFailCount3++;
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}
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}
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}
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SDLTest_AssertCheck(checkFailCount1 == 0, "Validate results from calls to SDL_SetRenderDrawColor, expected: 0, got: %i", checkFailCount1);
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SDLTest_AssertCheck(checkFailCount2 == 0, "Validate results from calls to SDL_SetRenderDrawBlendMode, expected: 0, got: %i", checkFailCount2);
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SDLTest_AssertCheck(checkFailCount3 == 0, "Validate results from calls to SDL_RenderPoint, expected: 0, got: %i", checkFailCount3);
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/* See if it's the same. */
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referenceSurface = SDLTest_ImagePrimitivesBlend();
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compare(referenceSurface, ALLOWABLE_ERROR_BLENDED);
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/* Make current */
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SDL_RenderPresent(renderer);
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/* Clean up. */
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SDL_DestroySurface(referenceSurface);
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referenceSurface = NULL;
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return TEST_COMPLETED;
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}
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/**
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* @brief Tests some blitting routines.
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*
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* \sa
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* http://wiki.libsdl.org/SDL_RenderTexture
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* http://wiki.libsdl.org/SDL_DestroyTexture
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*/
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int render_testBlit(void *arg)
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{
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int ret;
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SDL_FRect rect;
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SDL_Texture *tface;
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SDL_Surface *referenceSurface = NULL;
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Uint32 tformat;
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int taccess, tw, th;
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int i, j, ni, nj;
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int checkFailCount1;
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/* Clear surface. */
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clearScreen();
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/* Need drawcolor or just skip test. */
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SDLTest_AssertCheck(hasDrawColor(), "_hasDrawColor)");
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/* Create face surface. */
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tface = loadTestFace();
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SDLTest_AssertCheck(tface != NULL, "Verify loadTestFace() result");
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if (tface == NULL) {
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return TEST_ABORTED;
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}
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/* Constant values. */
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ret = SDL_QueryTexture(tface, &tformat, &taccess, &tw, &th);
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SDLTest_AssertCheck(ret == 0, "Verify result from SDL_QueryTexture, expected 0, got %i", ret);
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rect.w = (float)tw;
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rect.h = (float)th;
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ni = TESTRENDER_SCREEN_W - tw;
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nj = TESTRENDER_SCREEN_H - th;
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/* Loop blit. */
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checkFailCount1 = 0;
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for (j = 0; j <= nj; j += 4) {
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for (i = 0; i <= ni; i += 4) {
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/* Blitting. */
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rect.x = (float)i;
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rect.y = (float)j;
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ret = SDL_RenderTexture(renderer, tface, NULL, &rect);
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if (ret != 0) {
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checkFailCount1++;
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}
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}
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}
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SDLTest_AssertCheck(checkFailCount1 == 0, "Validate results from calls to SDL_RenderTexture, expected: 0, got: %i", checkFailCount1);
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/* See if it's the same */
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referenceSurface = SDLTest_ImageBlit();
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compare(referenceSurface, ALLOWABLE_ERROR_OPAQUE);
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/* Make current */
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SDL_RenderPresent(renderer);
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/* Clean up. */
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SDL_DestroyTexture(tface);
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SDL_DestroySurface(referenceSurface);
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referenceSurface = NULL;
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return TEST_COMPLETED;
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}
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/**
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* @brief Blits doing color tests.
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*
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* \sa
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* http://wiki.libsdl.org/SDL_SetTextureColorMod
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* http://wiki.libsdl.org/SDL_RenderTexture
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* http://wiki.libsdl.org/SDL_DestroyTexture
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*/
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int render_testBlitColor(void *arg)
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{
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int ret;
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SDL_FRect rect;
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SDL_Texture *tface;
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SDL_Surface *referenceSurface = NULL;
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Uint32 tformat;
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int taccess, tw, th;
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int i, j, ni, nj;
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int checkFailCount1;
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int checkFailCount2;
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/* Clear surface. */
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clearScreen();
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/* Create face surface. */
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tface = loadTestFace();
|
|
SDLTest_AssertCheck(tface != NULL, "Verify loadTestFace() result");
|
|
if (tface == NULL) {
|
|
return TEST_ABORTED;
|
|
}
|
|
|
|
/* Constant values. */
|
|
ret = SDL_QueryTexture(tface, &tformat, &taccess, &tw, &th);
|
|
SDLTest_AssertCheck(ret == 0, "Verify result from SDL_QueryTexture, expected 0, got %i", ret);
|
|
rect.w = (float)tw;
|
|
rect.h = (float)th;
|
|
ni = TESTRENDER_SCREEN_W - tw;
|
|
nj = TESTRENDER_SCREEN_H - th;
|
|
|
|
/* Test blitting with color mod. */
|
|
checkFailCount1 = 0;
|
|
checkFailCount2 = 0;
|
|
for (j = 0; j <= nj; j += 4) {
|
|
for (i = 0; i <= ni; i += 4) {
|
|
/* Set color mod. */
|
|
ret = SDL_SetTextureColorMod(tface, (255 / nj) * j, (255 / ni) * i, (255 / nj) * j);
|
|
if (ret != 0) {
|
|
checkFailCount1++;
|
|
}
|
|
|
|
/* Blitting. */
|
|
rect.x = (float)i;
|
|
rect.y = (float)j;
|
|
ret = SDL_RenderTexture(renderer, tface, NULL, &rect);
|
|
if (ret != 0) {
|
|
checkFailCount2++;
|
|
}
|
|
}
|
|
}
|
|
SDLTest_AssertCheck(checkFailCount1 == 0, "Validate results from calls to SDL_SetTextureColorMod, expected: 0, got: %i", checkFailCount1);
|
|
SDLTest_AssertCheck(checkFailCount2 == 0, "Validate results from calls to SDL_RenderTexture, expected: 0, got: %i", checkFailCount2);
|
|
|
|
/* See if it's the same. */
|
|
referenceSurface = SDLTest_ImageBlitColor();
|
|
compare(referenceSurface, ALLOWABLE_ERROR_OPAQUE);
|
|
|
|
/* Make current */
|
|
SDL_RenderPresent(renderer);
|
|
|
|
/* Clean up. */
|
|
SDL_DestroyTexture(tface);
|
|
SDL_DestroySurface(referenceSurface);
|
|
referenceSurface = NULL;
|
|
|
|
return TEST_COMPLETED;
|
|
}
|
|
|
|
/**
|
|
* @brief Tests blitting with alpha.
|
|
*
|
|
* \sa
|
|
* http://wiki.libsdl.org/SDL_SetTextureAlphaMod
|
|
* http://wiki.libsdl.org/SDL_RenderTexture
|
|
* http://wiki.libsdl.org/SDL_DestroyTexture
|
|
*/
|
|
int render_testBlitAlpha(void *arg)
|
|
{
|
|
int ret;
|
|
SDL_FRect rect;
|
|
SDL_Texture *tface;
|
|
SDL_Surface *referenceSurface = NULL;
|
|
Uint32 tformat;
|
|
int taccess, tw, th;
|
|
int i, j, ni, nj;
|
|
int checkFailCount1;
|
|
int checkFailCount2;
|
|
|
|
/* Clear surface. */
|
|
clearScreen();
|
|
|
|
/* Need alpha or just skip test. */
|
|
SDLTest_AssertCheck(hasTexAlpha(), "_hasTexAlpha");
|
|
|
|
/* Create face surface. */
|
|
tface = loadTestFace();
|
|
SDLTest_AssertCheck(tface != NULL, "Verify loadTestFace() result");
|
|
if (tface == NULL) {
|
|
return TEST_ABORTED;
|
|
}
|
|
|
|
/* Constant values. */
|
|
ret = SDL_QueryTexture(tface, &tformat, &taccess, &tw, &th);
|
|
SDLTest_AssertCheck(ret == 0, "Verify result from SDL_QueryTexture, expected 0, got %i", ret);
|
|
rect.w = (float)tw;
|
|
rect.h = (float)th;
|
|
ni = TESTRENDER_SCREEN_W - tw;
|
|
nj = TESTRENDER_SCREEN_H - th;
|
|
|
|
/* Test blitting with alpha mod. */
|
|
checkFailCount1 = 0;
|
|
checkFailCount2 = 0;
|
|
for (j = 0; j <= nj; j += 4) {
|
|
for (i = 0; i <= ni; i += 4) {
|
|
/* Set alpha mod. */
|
|
ret = SDL_SetTextureAlphaMod(tface, (255 / ni) * i);
|
|
if (ret != 0) {
|
|
checkFailCount1++;
|
|
}
|
|
|
|
/* Blitting. */
|
|
rect.x = (float)i;
|
|
rect.y = (float)j;
|
|
ret = SDL_RenderTexture(renderer, tface, NULL, &rect);
|
|
if (ret != 0) {
|
|
checkFailCount2++;
|
|
}
|
|
}
|
|
}
|
|
SDLTest_AssertCheck(checkFailCount1 == 0, "Validate results from calls to SDL_SetTextureAlphaMod, expected: 0, got: %i", checkFailCount1);
|
|
SDLTest_AssertCheck(checkFailCount2 == 0, "Validate results from calls to SDL_RenderTexture, expected: 0, got: %i", checkFailCount2);
|
|
|
|
/* See if it's the same. */
|
|
referenceSurface = SDLTest_ImageBlitAlpha();
|
|
compare(referenceSurface, ALLOWABLE_ERROR_BLENDED);
|
|
|
|
/* Make current */
|
|
SDL_RenderPresent(renderer);
|
|
|
|
/* Clean up. */
|
|
SDL_DestroyTexture(tface);
|
|
SDL_DestroySurface(referenceSurface);
|
|
referenceSurface = NULL;
|
|
|
|
return TEST_COMPLETED;
|
|
}
|
|
|
|
/* Helper functions */
|
|
|
|
/**
|
|
* @brief Tests a blend mode.
|
|
*
|
|
* \sa
|
|
* http://wiki.libsdl.org/SDL_SetTextureBlendMode
|
|
* http://wiki.libsdl.org/SDL_RenderTexture
|
|
*/
|
|
static void
|
|
testBlitBlendMode(SDL_Texture *tface, int mode)
|
|
{
|
|
int ret;
|
|
Uint32 tformat;
|
|
int taccess, tw, th;
|
|
int i, j, ni, nj;
|
|
SDL_FRect rect;
|
|
int checkFailCount1;
|
|
int checkFailCount2;
|
|
|
|
/* Clear surface. */
|
|
clearScreen();
|
|
|
|
/* Constant values. */
|
|
ret = SDL_QueryTexture(tface, &tformat, &taccess, &tw, &th);
|
|
SDLTest_AssertCheck(ret == 0, "Verify result from SDL_QueryTexture, expected 0, got %i", ret);
|
|
rect.w = (float)tw;
|
|
rect.h = (float)th;
|
|
ni = TESTRENDER_SCREEN_W - tw;
|
|
nj = TESTRENDER_SCREEN_H - th;
|
|
|
|
/* Test blend mode. */
|
|
checkFailCount1 = 0;
|
|
checkFailCount2 = 0;
|
|
for (j = 0; j <= nj; j += 4) {
|
|
for (i = 0; i <= ni; i += 4) {
|
|
/* Set blend mode. */
|
|
ret = SDL_SetTextureBlendMode(tface, (SDL_BlendMode)mode);
|
|
if (ret != 0) {
|
|
checkFailCount1++;
|
|
}
|
|
|
|
/* Blitting. */
|
|
rect.x = (float)i;
|
|
rect.y = (float)j;
|
|
ret = SDL_RenderTexture(renderer, tface, NULL, &rect);
|
|
if (ret != 0) {
|
|
checkFailCount2++;
|
|
}
|
|
}
|
|
}
|
|
SDLTest_AssertCheck(checkFailCount1 == 0, "Validate results from calls to SDL_SetTextureBlendMode, expected: 0, got: %i", checkFailCount1);
|
|
SDLTest_AssertCheck(checkFailCount2 == 0, "Validate results from calls to SDL_RenderTexture, expected: 0, got: %i", checkFailCount2);
|
|
}
|
|
|
|
/**
|
|
* @brief Tests some more blitting routines.
|
|
*
|
|
* \sa
|
|
* http://wiki.libsdl.org/SDL_SetTextureColorMod
|
|
* http://wiki.libsdl.org/SDL_SetTextureAlphaMod
|
|
* http://wiki.libsdl.org/SDL_SetTextureBlendMode
|
|
* http://wiki.libsdl.org/SDL_DestroyTexture
|
|
*/
|
|
int render_testBlitBlend(void *arg)
|
|
{
|
|
int ret;
|
|
SDL_FRect rect;
|
|
SDL_Texture *tface;
|
|
SDL_Surface *referenceSurface = NULL;
|
|
Uint32 tformat;
|
|
int taccess, tw, th;
|
|
int i, j, ni, nj;
|
|
int mode;
|
|
int checkFailCount1;
|
|
int checkFailCount2;
|
|
int checkFailCount3;
|
|
int checkFailCount4;
|
|
|
|
SDLTest_AssertCheck(hasBlendModes(), "_hasBlendModes");
|
|
SDLTest_AssertCheck(hasTexColor(), "_hasTexColor");
|
|
SDLTest_AssertCheck(hasTexAlpha(), "_hasTexAlpha");
|
|
|
|
/* Create face surface. */
|
|
tface = loadTestFace();
|
|
SDLTest_AssertCheck(tface != NULL, "Verify loadTestFace() result");
|
|
if (tface == NULL) {
|
|
return TEST_ABORTED;
|
|
}
|
|
|
|
/* Constant values. */
|
|
ret = SDL_QueryTexture(tface, &tformat, &taccess, &tw, &th);
|
|
SDLTest_AssertCheck(ret == 0, "Verify result from SDL_QueryTexture, expected 0, got %i", ret);
|
|
rect.w = (float)tw;
|
|
rect.h = (float)th;
|
|
ni = TESTRENDER_SCREEN_W - tw;
|
|
nj = TESTRENDER_SCREEN_H - th;
|
|
|
|
/* Set alpha mod. */
|
|
ret = SDL_SetTextureAlphaMod(tface, 100);
|
|
SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetTextureAlphaMod, expected: 0, got: %i", ret);
|
|
|
|
/* Test None. */
|
|
testBlitBlendMode(tface, SDL_BLENDMODE_NONE);
|
|
referenceSurface = SDLTest_ImageBlitBlendNone();
|
|
|
|
/* Compare, then Present */
|
|
compare(referenceSurface, ALLOWABLE_ERROR_OPAQUE);
|
|
SDL_RenderPresent(renderer);
|
|
|
|
SDL_DestroySurface(referenceSurface);
|
|
referenceSurface = NULL;
|
|
|
|
/* Test Blend. */
|
|
testBlitBlendMode(tface, SDL_BLENDMODE_BLEND);
|
|
referenceSurface = SDLTest_ImageBlitBlend();
|
|
|
|
/* Compare, then Present */
|
|
compare(referenceSurface, ALLOWABLE_ERROR_BLENDED);
|
|
SDL_RenderPresent(renderer);
|
|
|
|
SDL_DestroySurface(referenceSurface);
|
|
referenceSurface = NULL;
|
|
|
|
/* Test Add. */
|
|
testBlitBlendMode(tface, SDL_BLENDMODE_ADD);
|
|
referenceSurface = SDLTest_ImageBlitBlendAdd();
|
|
|
|
/* Compare, then Present */
|
|
compare(referenceSurface, ALLOWABLE_ERROR_BLENDED);
|
|
SDL_RenderPresent(renderer);
|
|
|
|
SDL_DestroySurface(referenceSurface);
|
|
referenceSurface = NULL;
|
|
|
|
/* Test Mod. */
|
|
testBlitBlendMode(tface, SDL_BLENDMODE_MOD);
|
|
referenceSurface = SDLTest_ImageBlitBlendMod();
|
|
|
|
/* Compare, then Present */
|
|
compare(referenceSurface, ALLOWABLE_ERROR_BLENDED);
|
|
SDL_RenderPresent(renderer);
|
|
|
|
SDL_DestroySurface(referenceSurface);
|
|
referenceSurface = NULL;
|
|
|
|
/* Clear surface. */
|
|
clearScreen();
|
|
|
|
/* Loop blit. */
|
|
checkFailCount1 = 0;
|
|
checkFailCount2 = 0;
|
|
checkFailCount3 = 0;
|
|
checkFailCount4 = 0;
|
|
for (j = 0; j <= nj; j += 4) {
|
|
for (i = 0; i <= ni; i += 4) {
|
|
|
|
/* Set color mod. */
|
|
ret = SDL_SetTextureColorMod(tface, (255 / nj) * j, (255 / ni) * i, (255 / nj) * j);
|
|
if (ret != 0) {
|
|
checkFailCount1++;
|
|
}
|
|
|
|
/* Set alpha mod. */
|
|
ret = SDL_SetTextureAlphaMod(tface, (100 / ni) * i);
|
|
if (ret != 0) {
|
|
checkFailCount2++;
|
|
}
|
|
|
|
/* Crazy blending mode magic. */
|
|
mode = (i / 4 * j / 4) % 4;
|
|
if (mode == 0) {
|
|
mode = SDL_BLENDMODE_NONE;
|
|
} else if (mode == 1) {
|
|
mode = SDL_BLENDMODE_BLEND;
|
|
} else if (mode == 2) {
|
|
mode = SDL_BLENDMODE_ADD;
|
|
} else if (mode == 3) {
|
|
mode = SDL_BLENDMODE_MOD;
|
|
}
|
|
ret = SDL_SetTextureBlendMode(tface, (SDL_BlendMode)mode);
|
|
if (ret != 0) {
|
|
checkFailCount3++;
|
|
}
|
|
|
|
/* Blitting. */
|
|
rect.x = (float)i;
|
|
rect.y = (float)j;
|
|
ret = SDL_RenderTexture(renderer, tface, NULL, &rect);
|
|
if (ret != 0) {
|
|
checkFailCount4++;
|
|
}
|
|
}
|
|
}
|
|
SDLTest_AssertCheck(checkFailCount1 == 0, "Validate results from calls to SDL_SetTextureColorMod, expected: 0, got: %i", checkFailCount1);
|
|
SDLTest_AssertCheck(checkFailCount2 == 0, "Validate results from calls to SDL_SetTextureAlphaMod, expected: 0, got: %i", checkFailCount2);
|
|
SDLTest_AssertCheck(checkFailCount3 == 0, "Validate results from calls to SDL_SetTextureBlendMode, expected: 0, got: %i", checkFailCount3);
|
|
SDLTest_AssertCheck(checkFailCount4 == 0, "Validate results from calls to SDL_RenderTexture, expected: 0, got: %i", checkFailCount4);
|
|
|
|
/* Clean up. */
|
|
SDL_DestroyTexture(tface);
|
|
|
|
/* Check to see if final image matches. */
|
|
referenceSurface = SDLTest_ImageBlitBlendAll();
|
|
compare(referenceSurface, ALLOWABLE_ERROR_BLENDED);
|
|
|
|
/* Make current */
|
|
SDL_RenderPresent(renderer);
|
|
|
|
SDL_DestroySurface(referenceSurface);
|
|
referenceSurface = NULL;
|
|
|
|
return TEST_COMPLETED;
|
|
}
|
|
|
|
/**
|
|
* @brief Checks to see if functionality is supported. Helper function.
|
|
*/
|
|
static int
|
|
isSupported(int code)
|
|
{
|
|
return code == 0;
|
|
}
|
|
|
|
/**
|
|
* @brief Test to see if we can vary the draw color. Helper function.
|
|
*
|
|
* \sa
|
|
* http://wiki.libsdl.org/SDL_SetRenderDrawColor
|
|
* http://wiki.libsdl.org/SDL_GetRenderDrawColor
|
|
*/
|
|
static int
|
|
hasDrawColor(void)
|
|
{
|
|
int ret, fail;
|
|
Uint8 r, g, b, a;
|
|
|
|
fail = 0;
|
|
|
|
/* Set color. */
|
|
ret = SDL_SetRenderDrawColor(renderer, 100, 100, 100, 100);
|
|
if (!isSupported(ret)) {
|
|
fail = 1;
|
|
}
|
|
ret = SDL_GetRenderDrawColor(renderer, &r, &g, &b, &a);
|
|
if (!isSupported(ret)) {
|
|
fail = 1;
|
|
}
|
|
|
|
/* Restore natural. */
|
|
ret = SDL_SetRenderDrawColor(renderer, 0, 0, 0, SDL_ALPHA_OPAQUE);
|
|
if (!isSupported(ret)) {
|
|
fail = 1;
|
|
}
|
|
|
|
/* Something failed, consider not available. */
|
|
if (fail) {
|
|
return 0;
|
|
}
|
|
/* Not set properly, consider failed. */
|
|
else if ((r != 100) || (g != 100) || (b != 100) || (a != 100)) {
|
|
return 0;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
/**
|
|
* @brief Test to see if we can vary the blend mode. Helper function.
|
|
*
|
|
* \sa
|
|
* http://wiki.libsdl.org/SDL_SetRenderDrawBlendMode
|
|
* http://wiki.libsdl.org/SDL_GetRenderDrawBlendMode
|
|
*/
|
|
static int
|
|
hasBlendModes(void)
|
|
{
|
|
int fail;
|
|
int ret;
|
|
SDL_BlendMode mode;
|
|
|
|
fail = 0;
|
|
|
|
ret = SDL_SetRenderDrawBlendMode(renderer, SDL_BLENDMODE_BLEND);
|
|
if (!isSupported(ret)) {
|
|
fail = 1;
|
|
}
|
|
ret = SDL_GetRenderDrawBlendMode(renderer, &mode);
|
|
if (!isSupported(ret)) {
|
|
fail = 1;
|
|
}
|
|
ret = (mode != SDL_BLENDMODE_BLEND);
|
|
if (!isSupported(ret)) {
|
|
fail = 1;
|
|
}
|
|
ret = SDL_SetRenderDrawBlendMode(renderer, SDL_BLENDMODE_ADD);
|
|
if (!isSupported(ret)) {
|
|
fail = 1;
|
|
}
|
|
ret = SDL_GetRenderDrawBlendMode(renderer, &mode);
|
|
if (!isSupported(ret)) {
|
|
fail = 1;
|
|
}
|
|
ret = (mode != SDL_BLENDMODE_ADD);
|
|
if (!isSupported(ret)) {
|
|
fail = 1;
|
|
}
|
|
ret = SDL_SetRenderDrawBlendMode(renderer, SDL_BLENDMODE_MOD);
|
|
if (!isSupported(ret)) {
|
|
fail = 1;
|
|
}
|
|
ret = SDL_GetRenderDrawBlendMode(renderer, &mode);
|
|
if (!isSupported(ret)) {
|
|
fail = 1;
|
|
}
|
|
ret = (mode != SDL_BLENDMODE_MOD);
|
|
if (!isSupported(ret)) {
|
|
fail = 1;
|
|
}
|
|
ret = SDL_SetRenderDrawBlendMode(renderer, SDL_BLENDMODE_NONE);
|
|
if (!isSupported(ret)) {
|
|
fail = 1;
|
|
}
|
|
ret = SDL_GetRenderDrawBlendMode(renderer, &mode);
|
|
if (!isSupported(ret)) {
|
|
fail = 1;
|
|
}
|
|
ret = (mode != SDL_BLENDMODE_NONE);
|
|
if (!isSupported(ret)) {
|
|
fail = 1;
|
|
}
|
|
|
|
return !fail;
|
|
}
|
|
|
|
/**
|
|
* @brief Loads the test image 'Face' as texture. Helper function.
|
|
*
|
|
* \sa
|
|
* http://wiki.libsdl.org/SDL_CreateTextureFromSurface
|
|
*/
|
|
static SDL_Texture *
|
|
loadTestFace(void)
|
|
{
|
|
SDL_Surface *face;
|
|
SDL_Texture *tface;
|
|
|
|
face = SDLTest_ImageFace();
|
|
if (face == NULL) {
|
|
return NULL;
|
|
}
|
|
|
|
tface = SDL_CreateTextureFromSurface(renderer, face);
|
|
if (tface == NULL) {
|
|
SDLTest_LogError("SDL_CreateTextureFromSurface() failed with error: %s", SDL_GetError());
|
|
}
|
|
|
|
SDL_DestroySurface(face);
|
|
|
|
return tface;
|
|
}
|
|
|
|
/**
|
|
* @brief Test to see if can set texture color mode. Helper function.
|
|
*
|
|
* \sa
|
|
* http://wiki.libsdl.org/SDL_SetTextureColorMod
|
|
* http://wiki.libsdl.org/SDL_GetTextureColorMod
|
|
* http://wiki.libsdl.org/SDL_DestroyTexture
|
|
*/
|
|
static int
|
|
hasTexColor(void)
|
|
{
|
|
int fail;
|
|
int ret;
|
|
SDL_Texture *tface;
|
|
Uint8 r, g, b;
|
|
|
|
/* Get test face. */
|
|
tface = loadTestFace();
|
|
if (tface == NULL) {
|
|
return 0;
|
|
}
|
|
|
|
/* See if supported. */
|
|
fail = 0;
|
|
ret = SDL_SetTextureColorMod(tface, 100, 100, 100);
|
|
if (!isSupported(ret)) {
|
|
fail = 1;
|
|
}
|
|
ret = SDL_GetTextureColorMod(tface, &r, &g, &b);
|
|
if (!isSupported(ret)) {
|
|
fail = 1;
|
|
}
|
|
|
|
/* Clean up. */
|
|
SDL_DestroyTexture(tface);
|
|
|
|
if (fail) {
|
|
return 0;
|
|
} else if ((r != 100) || (g != 100) || (b != 100)) {
|
|
return 0;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
/**
|
|
* @brief Test to see if we can vary the alpha of the texture. Helper function.
|
|
*
|
|
* \sa
|
|
* http://wiki.libsdl.org/SDL_SetTextureAlphaMod
|
|
* http://wiki.libsdl.org/SDL_GetTextureAlphaMod
|
|
* http://wiki.libsdl.org/SDL_DestroyTexture
|
|
*/
|
|
static int
|
|
hasTexAlpha(void)
|
|
{
|
|
int fail;
|
|
int ret;
|
|
SDL_Texture *tface;
|
|
Uint8 a;
|
|
|
|
/* Get test face. */
|
|
tface = loadTestFace();
|
|
if (tface == NULL) {
|
|
return 0;
|
|
}
|
|
|
|
/* See if supported. */
|
|
fail = 0;
|
|
ret = SDL_SetTextureAlphaMod(tface, 100);
|
|
if (!isSupported(ret)) {
|
|
fail = 1;
|
|
}
|
|
ret = SDL_GetTextureAlphaMod(tface, &a);
|
|
if (!isSupported(ret)) {
|
|
fail = 1;
|
|
}
|
|
|
|
/* Clean up. */
|
|
SDL_DestroyTexture(tface);
|
|
|
|
if (fail) {
|
|
return 0;
|
|
} else if (a != 100) {
|
|
return 0;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
/**
|
|
* @brief Compares screen pixels with image pixels. Helper function.
|
|
*
|
|
* @param referenceSurface Image to compare against.
|
|
* @param allowable_error allowed difference from the reference image
|
|
*
|
|
* \sa
|
|
* http://wiki.libsdl.org/SDL_RenderReadPixels
|
|
* http://wiki.libsdl.org/SDL_CreateSurfaceFrom
|
|
* http://wiki.libsdl.org/SDL_DestroySurface
|
|
*/
|
|
static void
|
|
compare(SDL_Surface *referenceSurface, int allowable_error)
|
|
{
|
|
int result;
|
|
SDL_Rect rect;
|
|
Uint8 *pixels;
|
|
SDL_Surface *testSurface;
|
|
|
|
/* Read pixels. */
|
|
pixels = (Uint8 *)SDL_malloc(4*TESTRENDER_SCREEN_W*TESTRENDER_SCREEN_H);
|
|
SDLTest_AssertCheck(pixels != NULL, "Validate allocated temp pixel buffer");
|
|
if (pixels == NULL) {
|
|
return;
|
|
}
|
|
|
|
/* Explicitly specify the rect in case the window isn't the expected size... */
|
|
rect.x = 0;
|
|
rect.y = 0;
|
|
rect.w = TESTRENDER_SCREEN_W;
|
|
rect.h = TESTRENDER_SCREEN_H;
|
|
result = SDL_RenderReadPixels(renderer, &rect, RENDER_COMPARE_FORMAT, pixels, 80*4 );
|
|
SDLTest_AssertCheck(result == 0, "Validate result from SDL_RenderReadPixels, expected: 0, got: %i", result);
|
|
|
|
/* Create surface. */
|
|
testSurface = SDL_CreateSurfaceFrom(pixels, TESTRENDER_SCREEN_W, TESTRENDER_SCREEN_H, TESTRENDER_SCREEN_W*4, RENDER_COMPARE_FORMAT);
|
|
SDLTest_AssertCheck(testSurface != NULL, "Verify result from SDL_CreateSurfaceFrom is not NULL");
|
|
|
|
/* Compare surface. */
|
|
result = SDLTest_CompareSurfaces( testSurface, referenceSurface, allowable_error );
|
|
SDLTest_AssertCheck(result == 0, "Validate result from SDLTest_CompareSurfaces, expected: 0, got: %i", result);
|
|
|
|
/* Clean up. */
|
|
SDL_free(pixels);
|
|
SDL_DestroySurface(testSurface);
|
|
}
|
|
|
|
/**
|
|
* @brief Clears the screen. Helper function.
|
|
*
|
|
* \sa
|
|
* http://wiki.libsdl.org/SDL_SetRenderDrawColor
|
|
* http://wiki.libsdl.org/SDL_RenderClear
|
|
* http://wiki.libsdl.org/SDL_RenderPresent
|
|
* http://wiki.libsdl.org/SDL_SetRenderDrawBlendMode
|
|
*/
|
|
static int
|
|
clearScreen(void)
|
|
{
|
|
int ret;
|
|
|
|
/* Set color. */
|
|
ret = SDL_SetRenderDrawColor(renderer, 0, 0, 0, SDL_ALPHA_OPAQUE);
|
|
SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetRenderDrawColor, expected: 0, got: %i", ret);
|
|
|
|
/* Clear screen. */
|
|
ret = SDL_RenderClear(renderer);
|
|
SDLTest_AssertCheck(ret == 0, "Validate result from SDL_RenderClear, expected: 0, got: %i", ret);
|
|
|
|
/* Make current */
|
|
SDL_RenderPresent(renderer);
|
|
|
|
/* Set defaults. */
|
|
ret = SDL_SetRenderDrawBlendMode(renderer, SDL_BLENDMODE_NONE);
|
|
SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetRenderDrawBlendMode, expected: 0, got: %i", ret);
|
|
|
|
ret = SDL_SetRenderDrawColor(renderer, 255, 255, 255, SDL_ALPHA_OPAQUE);
|
|
SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetRenderDrawColor, expected: 0, got: %i", ret);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* ================= Test References ================== */
|
|
|
|
/* Render test cases */
|
|
static const SDLTest_TestCaseReference renderTest1 = {
|
|
(SDLTest_TestCaseFp)render_testGetNumRenderDrivers, "render_testGetNumRenderDrivers", "Tests call to SDL_GetNumRenderDrivers", TEST_ENABLED
|
|
};
|
|
|
|
static const SDLTest_TestCaseReference renderTest2 = {
|
|
(SDLTest_TestCaseFp)render_testPrimitives, "render_testPrimitives", "Tests rendering primitives", TEST_ENABLED
|
|
};
|
|
|
|
/* TODO: rewrite test case, define new test data and re-enable; current implementation fails */
|
|
static const SDLTest_TestCaseReference renderTest3 = {
|
|
(SDLTest_TestCaseFp)render_testPrimitivesBlend, "render_testPrimitivesBlend", "Tests rendering primitives with blending", TEST_DISABLED
|
|
};
|
|
|
|
static const SDLTest_TestCaseReference renderTest4 = {
|
|
(SDLTest_TestCaseFp)render_testBlit, "render_testBlit", "Tests blitting", TEST_ENABLED
|
|
};
|
|
|
|
static const SDLTest_TestCaseReference renderTest5 = {
|
|
(SDLTest_TestCaseFp)render_testBlitColor, "render_testBlitColor", "Tests blitting with color", TEST_ENABLED
|
|
};
|
|
|
|
/* TODO: rewrite test case, define new test data and re-enable; current implementation fails */
|
|
static const SDLTest_TestCaseReference renderTest6 = {
|
|
(SDLTest_TestCaseFp)render_testBlitAlpha, "render_testBlitAlpha", "Tests blitting with alpha", TEST_DISABLED
|
|
};
|
|
|
|
/* TODO: rewrite test case, define new test data and re-enable; current implementation fails */
|
|
static const SDLTest_TestCaseReference renderTest7 = {
|
|
(SDLTest_TestCaseFp)render_testBlitBlend, "render_testBlitBlend", "Tests blitting with blending", TEST_DISABLED
|
|
};
|
|
|
|
/* Sequence of Render test cases */
|
|
static const SDLTest_TestCaseReference *renderTests[] = {
|
|
&renderTest1, &renderTest2, &renderTest3, &renderTest4, &renderTest5, &renderTest6, &renderTest7, NULL
|
|
};
|
|
|
|
/* Render test suite (global) */
|
|
SDLTest_TestSuiteReference renderTestSuite = {
|
|
"Render",
|
|
InitCreateRenderer,
|
|
renderTests,
|
|
CleanupDestroyRenderer
|
|
};
|