mirror of
https://github.com/libsdl-org/SDL.git
synced 2025-11-04 01:34:38 +00:00
5f5e91eab6
Applying these changes to external code doesn't actually improve anything, and within the context of the other Get* functions for renderers and surfaces, these stand out as outliers, so I'm going to back this change out.
1132 lines
40 KiB
C
1132 lines
40 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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#include "testautomation_suites.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 RENDER_COLOR_CLEAR 0xFF000000
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#define RENDER_COLOR_GREEN 0xFF00FF00
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#define ALLOWABLE_ERROR_OPAQUE 0
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#define ALLOWABLE_ERROR_BLENDED 0
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#define CHECK_FUNC(FUNC, PARAMS) \
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{ \
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int result = FUNC PARAMS; \
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if (result != 0) { \
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SDLTest_AssertCheck(result == 0, "Validate result from %s, expected: 0, got: %i, %s", #FUNC, result, SDL_GetError()); \
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} \
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}
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/* Test window and renderer */
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static SDL_Window *window = NULL;
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static 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 SDL_Texture *loadTestFace(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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static void InitCreateRenderer(void *arg)
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{
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int width = 320, height = 240;
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const char *renderer_name = NULL;
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renderer = NULL;
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window = SDL_CreateWindow("render_testCreateRenderer", 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, renderer_name);
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SDLTest_AssertPass("SDL_CreateRenderer()");
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SDLTest_AssertCheck(renderer != NULL, "Check SDL_CreateRenderer result: %s", renderer != NULL ? "success" : SDL_GetError());
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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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static void CleanupDestroyRenderer(void *arg)
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{
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if (renderer) {
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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) {
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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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* Tests call to SDL_GetNumRenderDrivers
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*
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* \sa SDL_GetNumRenderDrivers
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*/
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static 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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* Tests the SDL primitives for rendering.
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*
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* \sa SDL_SetRenderDrawColor
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* \sa SDL_RenderFillRect
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* \sa SDL_RenderLine
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*
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*/
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static 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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CHECK_FUNC(SDL_SetRenderDrawColor, (renderer, 13, 73, 200, SDL_ALPHA_OPAQUE))
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CHECK_FUNC(SDL_RenderFillRect, (renderer, &rect))
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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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CHECK_FUNC(SDL_SetRenderDrawColor, (renderer, 200, 0, 100, SDL_ALPHA_OPAQUE))
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CHECK_FUNC(SDL_RenderFillRect, (renderer, &rect))
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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, (Uint8)(x * y), (Uint8)(x * y / 2), (Uint8)(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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CHECK_FUNC(SDL_SetRenderDrawColor, (renderer, 0, 255, 0, SDL_ALPHA_OPAQUE))
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CHECK_FUNC(SDL_RenderLine, (renderer, 0.0f, 30.0f, TESTRENDER_SCREEN_W, 30.0f))
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CHECK_FUNC(SDL_SetRenderDrawColor, (renderer, 55, 55, 5, SDL_ALPHA_OPAQUE))
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CHECK_FUNC(SDL_RenderLine, (renderer, 40.0f, 30.0f, 40.0f, 60.0f))
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CHECK_FUNC(SDL_SetRenderDrawColor, (renderer, 5, 105, 105, SDL_ALPHA_OPAQUE))
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CHECK_FUNC(SDL_RenderLine, (renderer, 0.0f, 0.0f, 29.0f, 29.0f))
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CHECK_FUNC(SDL_RenderLine, (renderer, 29.0f, 30.0f, 0.0f, 59.0f))
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CHECK_FUNC(SDL_RenderLine, (renderer, 79.0f, 0.0f, 50.0f, 29.0f))
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CHECK_FUNC(SDL_RenderLine, (renderer, 79.0f, 59.0f, 50.0f, 30.0f))
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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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* Tests the SDL primitives for rendering within a viewport.
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*
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* \sa SDL_SetRenderDrawColor
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* \sa SDL_RenderFillRect
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* \sa SDL_RenderLine
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*
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*/
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static int render_testPrimitivesWithViewport(void *arg)
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{
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SDL_Rect viewport;
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SDL_Surface *surface;
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/* Clear surface. */
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clearScreen();
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viewport.x = 2;
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viewport.y = 2;
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viewport.w = 2;
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viewport.h = 2;
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CHECK_FUNC(SDL_SetRenderViewport, (renderer, &viewport));
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CHECK_FUNC(SDL_SetRenderDrawColor, (renderer, 255, 255, 255, SDL_ALPHA_OPAQUE))
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CHECK_FUNC(SDL_RenderLine, (renderer, 0.0f, 0.0f, 1.0f, 1.0f));
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viewport.x = 3;
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viewport.y = 3;
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viewport.w = 1;
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viewport.h = 1;
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CHECK_FUNC(SDL_SetRenderViewport, (renderer, &viewport));
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surface = SDL_RenderReadPixels(renderer, NULL);
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if (surface) {
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Uint8 r, g, b, a;
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CHECK_FUNC(SDL_ReadSurfacePixel, (surface, 0, 0, &r, &g, &b, &a));
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SDLTest_AssertCheck(r == 0xFF && g == 0xFF && b == 0xFF && a == 0xFF, "Validate diagonal line drawing with viewport, expected 0xFFFFFFFF, got 0x%.2x%.2x%.2x%.2x", r, g, b, a);
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SDL_DestroySurface(surface);
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} else {
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SDLTest_AssertCheck(surface != NULL, "Validate result from SDL_RenderReadPixels, got NULL, %s", SDL_GetError());
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}
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return TEST_COMPLETED;
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}
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/**
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* Tests some blitting routines.
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*
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* \sa SDL_RenderTexture
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* \sa SDL_DestroyTexture
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*/
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static 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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float tw, th;
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float 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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CHECK_FUNC(SDL_GetTextureSize, (tface, &tw, &th))
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rect.w = tw;
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rect.h = 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 = i;
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rect.y = 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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* Blits doing color tests.
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*
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* \sa SDL_SetTextureColorMod
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* \sa SDL_RenderTexture
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* \sa SDL_DestroyTexture
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*/
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static 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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float 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();
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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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CHECK_FUNC(SDL_GetTextureSize, (tface, &tw, &th))
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rect.w = tw;
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rect.h = th;
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ni = TESTRENDER_SCREEN_W - (int)tw;
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nj = TESTRENDER_SCREEN_H - (int)th;
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/* Test blitting with color mod. */
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checkFailCount1 = 0;
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checkFailCount2 = 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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/* Set color mod. */
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ret = SDL_SetTextureColorMod(tface, (Uint8)((255 / nj) * j), (Uint8)((255 / ni) * i), (Uint8)((255 / nj) * j));
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if (ret != 0) {
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checkFailCount1++;
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}
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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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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_SetTextureColorMod, expected: 0, got: %i", checkFailCount1);
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SDLTest_AssertCheck(checkFailCount2 == 0, "Validate results from calls to SDL_RenderTexture, expected: 0, got: %i", checkFailCount2);
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/* See if it's the same. */
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referenceSurface = SDLTest_ImageBlitColor();
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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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typedef enum TestRenderOperation
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{
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TEST_RENDER_POINT,
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TEST_RENDER_LINE,
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TEST_RENDER_RECT,
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TEST_RENDER_COPY_XRGB,
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TEST_RENDER_COPY_ARGB,
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} TestRenderOperation;
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/**
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* Helper that tests a specific operation and blend mode, -1 for color mod, -2 for alpha mod
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*/
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static void testBlendModeOperation(TestRenderOperation op, int mode, SDL_PixelFormat dst_format)
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{
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/* Allow up to 2 delta from theoretical value to account for rounding error.
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* We allow 2 rounding errors because the software renderer breaks drawing operations into alpha multiplication and a separate blend operation.
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*/
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const int MAXIMUM_ERROR = 2;
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int ret;
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SDL_Texture *src = NULL;
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SDL_Texture *dst;
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SDL_Surface *result;
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Uint8 srcR = 10, srcG = 128, srcB = 240, srcA = 100;
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Uint8 dstR = 128, dstG = 128, dstB = 128, dstA = 128;
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Uint8 expectedR, expectedG, expectedB, expectedA;
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Uint8 actualR, actualG, actualB, actualA;
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int deltaR, deltaG, deltaB, deltaA;
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const char *operation = "UNKNOWN";
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const char *mode_name = "UNKNOWN";
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/* Create dst surface */
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dst = SDL_CreateTexture(renderer, dst_format, SDL_TEXTUREACCESS_TARGET, 3, 3);
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SDLTest_AssertCheck(dst != NULL, "Verify dst surface is not NULL");
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if (dst == NULL) {
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return;
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}
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if (SDL_ISPIXELFORMAT_ALPHA(dst_format)) {
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SDL_BlendMode blendMode = SDL_BLENDMODE_NONE;
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ret = SDL_GetTextureBlendMode(dst, &blendMode);
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SDLTest_AssertCheck(ret == 0, "Verify result from SDL_GetTextureBlendMode(), expected: 0, got: %i", ret);
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SDLTest_AssertCheck(blendMode == SDL_BLENDMODE_BLEND, "Verify alpha texture blend mode, expected %d, got %" SDL_PRIu32, SDL_BLENDMODE_BLEND, blendMode);
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}
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/* Set as render target */
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SDL_SetRenderTarget(renderer, dst);
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/* Clear surface. */
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if (!SDL_ISPIXELFORMAT_ALPHA(dst_format)) {
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dstA = 255;
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}
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ret = SDL_SetRenderDrawColor(renderer, dstR, dstG, dstB, dstA);
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SDLTest_AssertCheck(ret == 0, "Verify result from SDL_SetRenderDrawColor(), expected: 0, got: %i", ret);
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ret = SDL_RenderClear(renderer);
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SDLTest_AssertPass("Call to SDL_RenderClear()");
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SDLTest_AssertCheck(ret == 0, "Verify result from SDL_RenderClear, expected: 0, got: %i", ret);
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if (op == TEST_RENDER_COPY_XRGB || op == TEST_RENDER_COPY_ARGB) {
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Uint8 pixels[4];
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/* Create src surface */
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src = SDL_CreateTexture(renderer, op == TEST_RENDER_COPY_XRGB ? SDL_PIXELFORMAT_RGBX32 : SDL_PIXELFORMAT_RGBA32, SDL_TEXTUREACCESS_STATIC, 1, 1);
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SDLTest_AssertCheck(src != NULL, "Verify src surface is not NULL");
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if (src == NULL) {
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return;
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}
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/* Clear surface. */
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if (op == TEST_RENDER_COPY_XRGB) {
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srcA = 255;
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}
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pixels[0] = srcR;
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pixels[1] = srcG;
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pixels[2] = srcB;
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pixels[3] = srcA;
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SDL_UpdateTexture(src, NULL, pixels, sizeof(pixels));
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/* Set blend mode. */
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if (mode >= 0) {
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ret = SDL_SetTextureBlendMode(src, (SDL_BlendMode)mode);
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SDLTest_AssertPass("Call to SDL_SetTextureBlendMode()");
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SDLTest_AssertCheck(ret == 0, "Verify result from SDL_SetTextureBlendMode(..., %i), expected: 0, got: %i", mode, ret);
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} else {
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ret = SDL_SetTextureBlendMode(src, SDL_BLENDMODE_BLEND);
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SDLTest_AssertPass("Call to SDL_SetTextureBlendMode()");
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SDLTest_AssertCheck(ret == 0, "Verify result from SDL_SetTextureBlendMode(..., %i), expected: 0, got: %i", mode, ret);
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}
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} else {
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/* Set draw color */
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ret = SDL_SetRenderDrawColor(renderer, srcR, srcG, srcB, srcA);
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SDLTest_AssertCheck(ret == 0, "Verify result from SDL_SetRenderDrawColor(), expected: 0, got: %i", ret);
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/* Set blend mode. */
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if (mode >= 0) {
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ret = SDL_SetRenderDrawBlendMode(renderer, (SDL_BlendMode)mode);
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SDLTest_AssertPass("Call to SDL_SetRenderDrawBlendMode()");
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SDLTest_AssertCheck(ret == 0, "Verify result from SDL_SetRenderDrawBlendMode(..., %i), expected: 0, got: %i", mode, ret);
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} else {
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ret = SDL_SetRenderDrawBlendMode(renderer, SDL_BLENDMODE_BLEND);
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SDLTest_AssertPass("Call to SDL_SetRenderDrawBlendMode()");
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SDLTest_AssertCheck(ret == 0, "Verify result from SDL_SetRenderDrawBlendMode(..., %i), expected: 0, got: %i", mode, ret);
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}
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}
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/* Test blend mode. */
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#define FLOAT(X) ((float)X / 255.0f)
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switch (mode) {
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case -1:
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mode_name = "color modulation";
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ret = SDL_SetTextureColorMod(src, srcR, srcG, srcB);
|
|
SDLTest_AssertCheck(ret == 0, "Validate results from calls to SDL_SetTextureColorMod, expected: 0, got: %i", ret);
|
|
expectedR = (Uint8)SDL_roundf(SDL_clamp((FLOAT(srcR) * FLOAT(srcR)) * FLOAT(srcA) + FLOAT(dstR) * (1.0f - FLOAT(srcA)), 0.0f, 1.0f) * 255.0f);
|
|
expectedG = (Uint8)SDL_roundf(SDL_clamp((FLOAT(srcG) * FLOAT(srcG)) * FLOAT(srcA) + FLOAT(dstG) * (1.0f - FLOAT(srcA)), 0.0f, 1.0f) * 255.0f);
|
|
expectedB = (Uint8)SDL_roundf(SDL_clamp((FLOAT(srcB) * FLOAT(srcB)) * FLOAT(srcA) + FLOAT(dstB) * (1.0f - FLOAT(srcA)), 0.0f, 1.0f) * 255.0f);
|
|
expectedA = (Uint8)SDL_roundf(SDL_clamp(FLOAT(srcA) + FLOAT(dstA) * (1.0f - FLOAT(srcA)), 0.0f, 1.0f) * 255.0f);
|
|
break;
|
|
case -2:
|
|
mode_name = "alpha modulation";
|
|
ret = SDL_SetTextureAlphaMod(src, srcA);
|
|
SDLTest_AssertCheck(ret == 0, "Validate results from calls to SDL_SetTextureAlphaMod, expected: 0, got: %i", ret);
|
|
expectedR = (Uint8)SDL_roundf(SDL_clamp(FLOAT(srcR) * (FLOAT(srcA) * FLOAT(srcA)) + FLOAT(dstR) * (1.0f - (FLOAT(srcA) * FLOAT(srcA))), 0.0f, 1.0f) * 255.0f);
|
|
expectedG = (Uint8)SDL_roundf(SDL_clamp(FLOAT(srcG) * (FLOAT(srcA) * FLOAT(srcA)) + FLOAT(dstG) * (1.0f - (FLOAT(srcA) * FLOAT(srcA))), 0.0f, 1.0f) * 255.0f);
|
|
expectedB = (Uint8)SDL_roundf(SDL_clamp(FLOAT(srcB) * (FLOAT(srcA) * FLOAT(srcA)) + FLOAT(dstB) * (1.0f - (FLOAT(srcA) * FLOAT(srcA))), 0.0f, 1.0f) * 255.0f);
|
|
expectedA = (Uint8)SDL_roundf(SDL_clamp((FLOAT(srcA) * FLOAT(srcA)) + FLOAT(dstA) * (1.0f - (FLOAT(srcA) * FLOAT(srcA))), 0.0f, 1.0f) * 255.0f);
|
|
break;
|
|
case SDL_BLENDMODE_NONE:
|
|
mode_name = "SDL_BLENDMODE_NONE";
|
|
expectedR = srcR;
|
|
expectedG = srcG;
|
|
expectedB = srcB;
|
|
expectedA = SDL_ISPIXELFORMAT_ALPHA(dst_format) ? srcA : 255;
|
|
break;
|
|
case SDL_BLENDMODE_BLEND:
|
|
mode_name = "SDL_BLENDMODE_BLEND";
|
|
expectedR = (Uint8)SDL_roundf(SDL_clamp(FLOAT(srcR) * FLOAT(srcA) + FLOAT(dstR) * (1.0f - FLOAT(srcA)), 0.0f, 1.0f) * 255.0f);
|
|
expectedG = (Uint8)SDL_roundf(SDL_clamp(FLOAT(srcG) * FLOAT(srcA) + FLOAT(dstG) * (1.0f - FLOAT(srcA)), 0.0f, 1.0f) * 255.0f);
|
|
expectedB = (Uint8)SDL_roundf(SDL_clamp(FLOAT(srcB) * FLOAT(srcA) + FLOAT(dstB) * (1.0f - FLOAT(srcA)), 0.0f, 1.0f) * 255.0f);
|
|
expectedA = (Uint8)SDL_roundf(SDL_clamp(FLOAT(srcA) + FLOAT(dstA) * (1.0f - FLOAT(srcA)), 0.0f, 1.0f) * 255.0f);
|
|
break;
|
|
case SDL_BLENDMODE_BLEND_PREMULTIPLIED:
|
|
mode_name = "SDL_BLENDMODE_BLEND_PREMULTIPLIED";
|
|
expectedR = (Uint8)SDL_roundf(SDL_clamp(FLOAT(srcR) + FLOAT(dstR) * (1.0f - FLOAT(srcA)), 0.0f, 1.0f) * 255.0f);
|
|
expectedG = (Uint8)SDL_roundf(SDL_clamp(FLOAT(srcG) + FLOAT(dstG) * (1.0f - FLOAT(srcA)), 0.0f, 1.0f) * 255.0f);
|
|
expectedB = (Uint8)SDL_roundf(SDL_clamp(FLOAT(srcB) + FLOAT(dstB) * (1.0f - FLOAT(srcA)), 0.0f, 1.0f) * 255.0f);
|
|
expectedA = (Uint8)SDL_roundf(SDL_clamp(FLOAT(srcA) + FLOAT(dstA) * (1.0f - FLOAT(srcA)), 0.0f, 1.0f) * 255.0f);
|
|
break;
|
|
case SDL_BLENDMODE_ADD:
|
|
mode_name = "SDL_BLENDMODE_ADD";
|
|
expectedR = (Uint8)SDL_roundf(SDL_clamp(FLOAT(srcR) * FLOAT(srcA) + FLOAT(dstR), 0.0f, 1.0f) * 255.0f);
|
|
expectedG = (Uint8)SDL_roundf(SDL_clamp(FLOAT(srcG) * FLOAT(srcA) + FLOAT(dstG), 0.0f, 1.0f) * 255.0f);
|
|
expectedB = (Uint8)SDL_roundf(SDL_clamp(FLOAT(srcB) * FLOAT(srcA) + FLOAT(dstB), 0.0f, 1.0f) * 255.0f);
|
|
expectedA = dstA;
|
|
break;
|
|
case SDL_BLENDMODE_ADD_PREMULTIPLIED:
|
|
mode_name = "SDL_BLENDMODE_ADD_PREMULTIPLIED";
|
|
expectedR = (Uint8)SDL_roundf(SDL_clamp(FLOAT(srcR) + FLOAT(dstR), 0.0f, 1.0f) * 255.0f);
|
|
expectedG = (Uint8)SDL_roundf(SDL_clamp(FLOAT(srcG) + FLOAT(dstG), 0.0f, 1.0f) * 255.0f);
|
|
expectedB = (Uint8)SDL_roundf(SDL_clamp(FLOAT(srcB) + FLOAT(dstB), 0.0f, 1.0f) * 255.0f);
|
|
expectedA = dstA;
|
|
break;
|
|
case SDL_BLENDMODE_MOD:
|
|
mode_name = "SDL_BLENDMODE_MOD";
|
|
expectedR = (Uint8)SDL_roundf(SDL_clamp(FLOAT(srcR) * FLOAT(dstR), 0.0f, 1.0f) * 255.0f);
|
|
expectedG = (Uint8)SDL_roundf(SDL_clamp(FLOAT(srcG) * FLOAT(dstG), 0.0f, 1.0f) * 255.0f);
|
|
expectedB = (Uint8)SDL_roundf(SDL_clamp(FLOAT(srcB) * FLOAT(dstB), 0.0f, 1.0f) * 255.0f);
|
|
expectedA = dstA;
|
|
break;
|
|
case SDL_BLENDMODE_MUL:
|
|
mode_name = "SDL_BLENDMODE_MUL";
|
|
expectedR = (Uint8)SDL_roundf(SDL_clamp(FLOAT(srcR) * FLOAT(dstR) + FLOAT(dstR) * (1.0f - FLOAT(srcA)), 0.0f, 1.0f) * 255.0f);
|
|
expectedG = (Uint8)SDL_roundf(SDL_clamp(FLOAT(srcG) * FLOAT(dstG) + FLOAT(dstG) * (1.0f - FLOAT(srcA)), 0.0f, 1.0f) * 255.0f);
|
|
expectedB = (Uint8)SDL_roundf(SDL_clamp(FLOAT(srcB) * FLOAT(dstB) + FLOAT(dstB) * (1.0f - FLOAT(srcA)), 0.0f, 1.0f) * 255.0f);
|
|
expectedA = dstA;
|
|
break;
|
|
default:
|
|
SDLTest_LogError("Invalid blending mode: %d", mode);
|
|
return;
|
|
}
|
|
|
|
switch (op) {
|
|
case TEST_RENDER_POINT:
|
|
operation = "render point";
|
|
ret = SDL_RenderPoint(renderer, 0.0f, 0.0f);
|
|
SDLTest_AssertCheck(ret == 0, "Validate results from calls to SDL_RenderPoint, expected: 0, got: %i", ret);
|
|
break;
|
|
case TEST_RENDER_LINE:
|
|
operation = "render line";
|
|
ret = SDL_RenderLine(renderer, 0.0f, 0.0f, 2.0f, 2.0f);
|
|
SDLTest_AssertCheck(ret == 0, "Validate results from calls to SDL_RenderLine, expected: 0, got: %i", ret);
|
|
break;
|
|
case TEST_RENDER_RECT:
|
|
operation = "render rect";
|
|
ret = SDL_RenderFillRect(renderer, NULL);
|
|
SDLTest_AssertCheck(ret == 0, "Validate results from calls to SDL_RenderFillRect, expected: 0, got: %i", ret);
|
|
break;
|
|
case TEST_RENDER_COPY_XRGB:
|
|
case TEST_RENDER_COPY_ARGB:
|
|
operation = (op == TEST_RENDER_COPY_XRGB) ? "render XRGB" : "render ARGB";
|
|
ret = SDL_RenderTexture(renderer, src, NULL, NULL);
|
|
SDLTest_AssertCheck(ret == 0, "Validate results from calls to SDL_RenderTexture, expected: 0, got: %i", ret);
|
|
break;
|
|
default:
|
|
SDLTest_LogError("Invalid blending operation: %d", op);
|
|
return;
|
|
}
|
|
|
|
result = SDL_RenderReadPixels(renderer, NULL);
|
|
SDL_ReadSurfacePixel(result, 0, 0, &actualR, &actualG, &actualB, &actualA);
|
|
deltaR = SDL_abs((int)actualR - expectedR);
|
|
deltaG = SDL_abs((int)actualG - expectedG);
|
|
deltaB = SDL_abs((int)actualB - expectedB);
|
|
deltaA = SDL_abs((int)actualA - expectedA);
|
|
SDLTest_AssertCheck(
|
|
deltaR <= MAXIMUM_ERROR &&
|
|
deltaG <= MAXIMUM_ERROR &&
|
|
deltaB <= MAXIMUM_ERROR &&
|
|
deltaA <= MAXIMUM_ERROR,
|
|
"Checking %s %s operation results, expected %d,%d,%d,%d, got %d,%d,%d,%d",
|
|
operation, mode_name,
|
|
expectedR, expectedG, expectedB, expectedA, actualR, actualG, actualB, actualA);
|
|
|
|
/* Clean up */
|
|
SDL_DestroySurface(result);
|
|
SDL_DestroyTexture(src);
|
|
SDL_DestroyTexture(dst);
|
|
}
|
|
|
|
static void testBlendMode(int mode)
|
|
{
|
|
const TestRenderOperation operations[] = {
|
|
TEST_RENDER_POINT,
|
|
TEST_RENDER_LINE,
|
|
TEST_RENDER_RECT,
|
|
TEST_RENDER_COPY_XRGB,
|
|
TEST_RENDER_COPY_ARGB
|
|
};
|
|
const SDL_PixelFormat dst_formats[] = {
|
|
SDL_PIXELFORMAT_XRGB8888, SDL_PIXELFORMAT_ARGB8888
|
|
};
|
|
int i, j;
|
|
|
|
for (i = 0; i < SDL_arraysize(operations); ++i) {
|
|
for (j = 0; j < SDL_arraysize(dst_formats); ++j) {
|
|
TestRenderOperation op = operations[i];
|
|
|
|
if (mode < 0) {
|
|
if (op != TEST_RENDER_COPY_XRGB && op != TEST_RENDER_COPY_ARGB) {
|
|
/* Unsupported mode for this operation */
|
|
continue;
|
|
}
|
|
}
|
|
testBlendModeOperation(op, mode, dst_formats[j]);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Tests render operations with blend modes
|
|
*/
|
|
static int render_testBlendModes(void *arg)
|
|
{
|
|
testBlendMode(-1);
|
|
testBlendMode(-2);
|
|
testBlendMode(SDL_BLENDMODE_NONE);
|
|
testBlendMode(SDL_BLENDMODE_BLEND);
|
|
testBlendMode(SDL_BLENDMODE_BLEND_PREMULTIPLIED);
|
|
testBlendMode(SDL_BLENDMODE_ADD);
|
|
testBlendMode(SDL_BLENDMODE_ADD_PREMULTIPLIED);
|
|
testBlendMode(SDL_BLENDMODE_MOD);
|
|
testBlendMode(SDL_BLENDMODE_MUL);
|
|
|
|
return TEST_COMPLETED;
|
|
}
|
|
|
|
/**
|
|
* Test viewport
|
|
*/
|
|
static int render_testViewport(void *arg)
|
|
{
|
|
SDL_Surface *referenceSurface;
|
|
SDL_Rect viewport;
|
|
|
|
viewport.x = TESTRENDER_SCREEN_W / 3;
|
|
viewport.y = TESTRENDER_SCREEN_H / 3;
|
|
viewport.w = TESTRENDER_SCREEN_W / 2;
|
|
viewport.h = TESTRENDER_SCREEN_H / 2;
|
|
|
|
/* Create expected result */
|
|
referenceSurface = SDL_CreateSurface(TESTRENDER_SCREEN_W, TESTRENDER_SCREEN_H, RENDER_COMPARE_FORMAT);
|
|
CHECK_FUNC(SDL_FillSurfaceRect, (referenceSurface, NULL, RENDER_COLOR_CLEAR))
|
|
CHECK_FUNC(SDL_FillSurfaceRect, (referenceSurface, &viewport, RENDER_COLOR_GREEN))
|
|
|
|
/* Clear surface. */
|
|
clearScreen();
|
|
|
|
/* Set the viewport and do a fill operation */
|
|
CHECK_FUNC(SDL_SetRenderViewport, (renderer, &viewport))
|
|
CHECK_FUNC(SDL_SetRenderDrawColor, (renderer, 0, 255, 0, SDL_ALPHA_OPAQUE))
|
|
CHECK_FUNC(SDL_RenderFillRect, (renderer, NULL))
|
|
CHECK_FUNC(SDL_SetRenderViewport, (renderer, NULL))
|
|
|
|
/* Check to see if final image matches. */
|
|
compare(referenceSurface, ALLOWABLE_ERROR_OPAQUE);
|
|
|
|
/*
|
|
* Verify that clear ignores the viewport
|
|
*/
|
|
|
|
/* Create expected result */
|
|
CHECK_FUNC(SDL_FillSurfaceRect, (referenceSurface, NULL, RENDER_COLOR_GREEN))
|
|
|
|
/* Clear surface. */
|
|
clearScreen();
|
|
|
|
/* Set the viewport and do a clear operation */
|
|
CHECK_FUNC(SDL_SetRenderViewport, (renderer, &viewport))
|
|
CHECK_FUNC(SDL_SetRenderDrawColor, (renderer, 0, 255, 0, SDL_ALPHA_OPAQUE))
|
|
CHECK_FUNC(SDL_RenderClear, (renderer))
|
|
CHECK_FUNC(SDL_SetRenderViewport, (renderer, NULL))
|
|
|
|
/* Check to see if final image matches. */
|
|
compare(referenceSurface, ALLOWABLE_ERROR_OPAQUE);
|
|
|
|
/* Make current */
|
|
SDL_RenderPresent(renderer);
|
|
|
|
SDL_DestroySurface(referenceSurface);
|
|
|
|
return TEST_COMPLETED;
|
|
}
|
|
|
|
/**
|
|
* Test clip rect
|
|
*/
|
|
static int render_testClipRect(void *arg)
|
|
{
|
|
SDL_Surface *referenceSurface;
|
|
SDL_Rect cliprect;
|
|
|
|
cliprect.x = TESTRENDER_SCREEN_W / 3;
|
|
cliprect.y = TESTRENDER_SCREEN_H / 3;
|
|
cliprect.w = TESTRENDER_SCREEN_W / 2;
|
|
cliprect.h = TESTRENDER_SCREEN_H / 2;
|
|
|
|
/* Create expected result */
|
|
referenceSurface = SDL_CreateSurface(TESTRENDER_SCREEN_W, TESTRENDER_SCREEN_H, RENDER_COMPARE_FORMAT);
|
|
CHECK_FUNC(SDL_FillSurfaceRect, (referenceSurface, NULL, RENDER_COLOR_CLEAR))
|
|
CHECK_FUNC(SDL_FillSurfaceRect, (referenceSurface, &cliprect, RENDER_COLOR_GREEN))
|
|
|
|
/* Clear surface. */
|
|
clearScreen();
|
|
|
|
/* Set the cliprect and do a fill operation */
|
|
CHECK_FUNC(SDL_SetRenderClipRect, (renderer, &cliprect))
|
|
CHECK_FUNC(SDL_SetRenderDrawColor, (renderer, 0, 255, 0, SDL_ALPHA_OPAQUE))
|
|
CHECK_FUNC(SDL_RenderFillRect, (renderer, NULL))
|
|
CHECK_FUNC(SDL_SetRenderClipRect, (renderer, NULL))
|
|
|
|
/* Check to see if final image matches. */
|
|
compare(referenceSurface, ALLOWABLE_ERROR_OPAQUE);
|
|
|
|
/*
|
|
* Verify that clear ignores the cliprect
|
|
*/
|
|
|
|
/* Create expected result */
|
|
CHECK_FUNC(SDL_FillSurfaceRect, (referenceSurface, NULL, RENDER_COLOR_GREEN))
|
|
|
|
/* Clear surface. */
|
|
clearScreen();
|
|
|
|
/* Set the cliprect and do a clear operation */
|
|
CHECK_FUNC(SDL_SetRenderClipRect, (renderer, &cliprect))
|
|
CHECK_FUNC(SDL_SetRenderDrawColor, (renderer, 0, 255, 0, SDL_ALPHA_OPAQUE))
|
|
CHECK_FUNC(SDL_RenderClear, (renderer))
|
|
CHECK_FUNC(SDL_SetRenderClipRect, (renderer, NULL))
|
|
|
|
/* Check to see if final image matches. */
|
|
compare(referenceSurface, ALLOWABLE_ERROR_OPAQUE);
|
|
|
|
/* Make current */
|
|
SDL_RenderPresent(renderer);
|
|
|
|
SDL_DestroySurface(referenceSurface);
|
|
|
|
return TEST_COMPLETED;
|
|
}
|
|
|
|
/**
|
|
* Test logical size
|
|
*/
|
|
static int render_testLogicalSize(void *arg)
|
|
{
|
|
SDL_Surface *referenceSurface;
|
|
SDL_Rect viewport;
|
|
SDL_FRect rect;
|
|
int w, h;
|
|
int set_w, set_h;
|
|
SDL_RendererLogicalPresentation set_presentation_mode;
|
|
SDL_ScaleMode set_scale_mode;
|
|
SDL_FRect set_rect;
|
|
const int factor = 2;
|
|
|
|
viewport.x = ((TESTRENDER_SCREEN_W / 4) / factor) * factor;
|
|
viewport.y = ((TESTRENDER_SCREEN_H / 4) / factor) * factor;
|
|
viewport.w = ((TESTRENDER_SCREEN_W / 2) / factor) * factor;
|
|
viewport.h = ((TESTRENDER_SCREEN_H / 2) / factor) * factor;
|
|
|
|
/* Create expected result */
|
|
referenceSurface = SDL_CreateSurface(TESTRENDER_SCREEN_W, TESTRENDER_SCREEN_H, RENDER_COMPARE_FORMAT);
|
|
CHECK_FUNC(SDL_FillSurfaceRect, (referenceSurface, NULL, RENDER_COLOR_CLEAR))
|
|
CHECK_FUNC(SDL_FillSurfaceRect, (referenceSurface, &viewport, RENDER_COLOR_GREEN))
|
|
|
|
/* Clear surface. */
|
|
clearScreen();
|
|
|
|
/* Set the logical size and do a fill operation */
|
|
CHECK_FUNC(SDL_GetCurrentRenderOutputSize, (renderer, &w, &h))
|
|
CHECK_FUNC(SDL_SetRenderLogicalPresentation, (renderer, w / factor, h / factor,
|
|
SDL_LOGICAL_PRESENTATION_LETTERBOX,
|
|
SDL_SCALEMODE_NEAREST))
|
|
CHECK_FUNC(SDL_GetRenderLogicalPresentation, (renderer, &set_w, &set_h, &set_presentation_mode, &set_scale_mode))
|
|
SDLTest_AssertCheck(
|
|
set_w == (w / factor) &&
|
|
set_h == (h / factor) &&
|
|
set_presentation_mode == SDL_LOGICAL_PRESENTATION_LETTERBOX &&
|
|
set_scale_mode == SDL_SCALEMODE_NEAREST,
|
|
"Validate result from SDL_GetRenderLogicalPresentation, got %d, %d, %d, %d", set_w, set_h, set_presentation_mode, set_scale_mode);
|
|
CHECK_FUNC(SDL_GetRenderLogicalPresentationRect, (renderer, &set_rect))
|
|
SDLTest_AssertCheck(
|
|
set_rect.x == 0.0f &&
|
|
set_rect.y == 0.0f &&
|
|
set_rect.w == 320.0f &&
|
|
set_rect.h == 240.0f,
|
|
"Validate result from SDL_GetRenderLogicalPresentationRect, got {%g, %g, %gx%g}", set_rect.x, set_rect.y, set_rect.w, set_rect.h);
|
|
CHECK_FUNC(SDL_SetRenderDrawColor, (renderer, 0, 255, 0, SDL_ALPHA_OPAQUE))
|
|
rect.x = (float)viewport.x / factor;
|
|
rect.y = (float)viewport.y / factor;
|
|
rect.w = (float)viewport.w / factor;
|
|
rect.h = (float)viewport.h / factor;
|
|
CHECK_FUNC(SDL_RenderFillRect, (renderer, &rect))
|
|
CHECK_FUNC(SDL_SetRenderLogicalPresentation, (renderer, 0, 0,
|
|
SDL_LOGICAL_PRESENTATION_DISABLED,
|
|
SDL_SCALEMODE_NEAREST))
|
|
CHECK_FUNC(SDL_GetRenderLogicalPresentation, (renderer, &set_w, &set_h, &set_presentation_mode, &set_scale_mode))
|
|
SDLTest_AssertCheck(
|
|
set_w == 0 &&
|
|
set_h == 0 &&
|
|
set_presentation_mode == SDL_LOGICAL_PRESENTATION_DISABLED &&
|
|
set_scale_mode == SDL_SCALEMODE_NEAREST,
|
|
"Validate result from SDL_GetRenderLogicalPresentation, got %d, %d, %d, %d", set_w, set_h, set_presentation_mode, set_scale_mode);
|
|
CHECK_FUNC(SDL_GetRenderLogicalPresentationRect, (renderer, &set_rect))
|
|
SDLTest_AssertCheck(
|
|
set_rect.x == 0.0f &&
|
|
set_rect.y == 0.0f &&
|
|
set_rect.w == 320.0f &&
|
|
set_rect.h == 240.0f,
|
|
"Validate result from SDL_GetRenderLogicalPresentationRect, got {%g, %g, %gx%g}", set_rect.x, set_rect.y, set_rect.w, set_rect.h);
|
|
|
|
/* Check to see if final image matches. */
|
|
compare(referenceSurface, ALLOWABLE_ERROR_OPAQUE);
|
|
|
|
/* Clear surface. */
|
|
clearScreen();
|
|
|
|
/* Set the logical size and viewport and do a fill operation */
|
|
CHECK_FUNC(SDL_GetCurrentRenderOutputSize, (renderer, &w, &h))
|
|
CHECK_FUNC(SDL_SetRenderLogicalPresentation, (renderer, w / factor, h / factor,
|
|
SDL_LOGICAL_PRESENTATION_LETTERBOX,
|
|
SDL_SCALEMODE_NEAREST))
|
|
viewport.x = (TESTRENDER_SCREEN_W / 4) / factor;
|
|
viewport.y = (TESTRENDER_SCREEN_H / 4) / factor;
|
|
viewport.w = (TESTRENDER_SCREEN_W / 2) / factor;
|
|
viewport.h = (TESTRENDER_SCREEN_H / 2) / factor;
|
|
CHECK_FUNC(SDL_SetRenderViewport, (renderer, &viewport))
|
|
CHECK_FUNC(SDL_SetRenderDrawColor, (renderer, 0, 255, 0, SDL_ALPHA_OPAQUE))
|
|
CHECK_FUNC(SDL_RenderFillRect, (renderer, NULL))
|
|
CHECK_FUNC(SDL_SetRenderViewport, (renderer, NULL))
|
|
CHECK_FUNC(SDL_SetRenderLogicalPresentation, (renderer, 0, 0,
|
|
SDL_LOGICAL_PRESENTATION_DISABLED,
|
|
SDL_SCALEMODE_NEAREST))
|
|
|
|
/* Check to see if final image matches. */
|
|
compare(referenceSurface, ALLOWABLE_ERROR_OPAQUE);
|
|
|
|
/*
|
|
* Test a logical size that isn't the same aspect ratio as the window
|
|
*/
|
|
|
|
viewport.x = (TESTRENDER_SCREEN_W / 4);
|
|
viewport.y = 0;
|
|
viewport.w = TESTRENDER_SCREEN_W;
|
|
viewport.h = TESTRENDER_SCREEN_H;
|
|
|
|
/* Create expected result */
|
|
CHECK_FUNC(SDL_FillSurfaceRect, (referenceSurface, NULL, RENDER_COLOR_CLEAR))
|
|
CHECK_FUNC(SDL_FillSurfaceRect, (referenceSurface, &viewport, RENDER_COLOR_GREEN))
|
|
|
|
/* Clear surface. */
|
|
clearScreen();
|
|
|
|
/* Set the logical size and do a fill operation */
|
|
CHECK_FUNC(SDL_GetCurrentRenderOutputSize, (renderer, &w, &h))
|
|
CHECK_FUNC(SDL_SetRenderLogicalPresentation, (renderer,
|
|
w - 2 * (TESTRENDER_SCREEN_W / 4),
|
|
h,
|
|
SDL_LOGICAL_PRESENTATION_LETTERBOX,
|
|
SDL_SCALEMODE_LINEAR))
|
|
CHECK_FUNC(SDL_GetRenderLogicalPresentation, (renderer, &set_w, &set_h, &set_presentation_mode, &set_scale_mode))
|
|
SDLTest_AssertCheck(
|
|
set_w == w - 2 * (TESTRENDER_SCREEN_W / 4) &&
|
|
set_h == h &&
|
|
set_presentation_mode == SDL_LOGICAL_PRESENTATION_LETTERBOX &&
|
|
set_scale_mode == SDL_SCALEMODE_LINEAR,
|
|
"Validate result from SDL_GetRenderLogicalPresentation, got %d, %d, %d, %d", set_w, set_h, set_presentation_mode, set_scale_mode);
|
|
CHECK_FUNC(SDL_GetRenderLogicalPresentationRect, (renderer, &set_rect))
|
|
SDLTest_AssertCheck(
|
|
set_rect.x == 20.0f &&
|
|
set_rect.y == 0.0f &&
|
|
set_rect.w == 280.0f &&
|
|
set_rect.h == 240.0f,
|
|
"Validate result from SDL_GetRenderLogicalPresentationRect, got {%g, %g, %gx%g}", set_rect.x, set_rect.y, set_rect.w, set_rect.h);
|
|
CHECK_FUNC(SDL_SetRenderDrawColor, (renderer, 0, 255, 0, SDL_ALPHA_OPAQUE))
|
|
CHECK_FUNC(SDL_RenderFillRect, (renderer, NULL))
|
|
CHECK_FUNC(SDL_SetRenderLogicalPresentation, (renderer, 0, 0,
|
|
SDL_LOGICAL_PRESENTATION_DISABLED,
|
|
SDL_SCALEMODE_NEAREST))
|
|
CHECK_FUNC(SDL_GetRenderLogicalPresentation, (renderer, &set_w, &set_h, &set_presentation_mode, &set_scale_mode))
|
|
SDLTest_AssertCheck(
|
|
set_w == 0 &&
|
|
set_h == 0 &&
|
|
set_presentation_mode == SDL_LOGICAL_PRESENTATION_DISABLED &&
|
|
set_scale_mode == SDL_SCALEMODE_NEAREST,
|
|
"Validate result from SDL_GetRenderLogicalPresentation, got %d, %d, %d, %d", set_w, set_h, set_presentation_mode, set_scale_mode);
|
|
CHECK_FUNC(SDL_GetRenderLogicalPresentationRect, (renderer, &set_rect))
|
|
SDLTest_AssertCheck(
|
|
set_rect.x == 0.0f &&
|
|
set_rect.y == 0.0f &&
|
|
set_rect.w == 320.0f &&
|
|
set_rect.h == 240.0f,
|
|
"Validate result from SDL_GetRenderLogicalPresentationRect, got {%g, %g, %gx%g}", set_rect.x, set_rect.y, set_rect.w, set_rect.h);
|
|
|
|
/* Check to see if final image matches. */
|
|
compare(referenceSurface, ALLOWABLE_ERROR_OPAQUE);
|
|
|
|
/* Clear surface. */
|
|
clearScreen();
|
|
|
|
/* Make current */
|
|
SDL_RenderPresent(renderer);
|
|
|
|
SDL_DestroySurface(referenceSurface);
|
|
|
|
return TEST_COMPLETED;
|
|
}
|
|
|
|
/* Helper functions */
|
|
|
|
/**
|
|
* Checks to see if functionality is supported. Helper function.
|
|
*/
|
|
static int
|
|
isSupported(int code)
|
|
{
|
|
return code == 0;
|
|
}
|
|
|
|
/**
|
|
* Test to see if we can vary the draw color. Helper function.
|
|
*
|
|
* \sa SDL_SetRenderDrawColor
|
|
* \sa 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;
|
|
}
|
|
|
|
/**
|
|
* Loads the test image 'Face' as texture. Helper function.
|
|
*
|
|
* \sa SDL_CreateTextureFromSurface
|
|
*/
|
|
static SDL_Texture *
|
|
loadTestFace(void)
|
|
{
|
|
SDL_Surface *face;
|
|
SDL_Texture *tface;
|
|
|
|
face = SDLTest_ImageFace();
|
|
if (!face) {
|
|
return NULL;
|
|
}
|
|
|
|
tface = SDL_CreateTextureFromSurface(renderer, face);
|
|
if (!tface) {
|
|
SDLTest_LogError("SDL_CreateTextureFromSurface() failed with error: %s", SDL_GetError());
|
|
}
|
|
|
|
SDL_DestroySurface(face);
|
|
|
|
return tface;
|
|
}
|
|
|
|
/**
|
|
* Compares screen pixels with image pixels. Helper function.
|
|
*
|
|
* \param referenceSurface Image to compare against.
|
|
* \param allowable_error allowed difference from the reference image
|
|
*
|
|
* \sa SDL_RenderReadPixels
|
|
* \sa SDL_CreateSurfaceFrom
|
|
* \sa SDL_DestroySurface
|
|
*/
|
|
static void
|
|
compare(SDL_Surface *referenceSurface, int allowable_error)
|
|
{
|
|
int ret;
|
|
SDL_Rect rect;
|
|
SDL_Surface *surface, *testSurface;
|
|
|
|
/* 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;
|
|
|
|
surface = SDL_RenderReadPixels(renderer, &rect);
|
|
if (!surface) {
|
|
SDLTest_AssertCheck(surface != NULL, "Validate result from SDL_RenderReadPixels, got NULL, %s", SDL_GetError());
|
|
return;
|
|
}
|
|
|
|
testSurface = SDL_ConvertSurface(surface, RENDER_COMPARE_FORMAT);
|
|
SDL_DestroySurface(surface);
|
|
if (!testSurface) {
|
|
SDLTest_AssertCheck(testSurface != NULL, "Validate result from SDL_ConvertSurface, got NULL, %s", SDL_GetError());
|
|
return;
|
|
}
|
|
|
|
/* Compare surface. */
|
|
ret = SDLTest_CompareSurfaces(testSurface, referenceSurface, allowable_error);
|
|
SDLTest_AssertCheck(ret == 0, "Validate result from SDLTest_CompareSurfaces, expected: 0, got: %i", ret);
|
|
|
|
/* Clean up. */
|
|
SDL_DestroySurface(testSurface);
|
|
}
|
|
|
|
/**
|
|
* Clears the screen. Helper function.
|
|
*
|
|
* \sa SDL_SetRenderDrawColor
|
|
* \sa SDL_RenderClear
|
|
* \sa SDL_RenderPresent
|
|
* \sa SDL_SetRenderDrawBlendMode
|
|
*/
|
|
static int
|
|
clearScreen(void)
|
|
{
|
|
int ret;
|
|
|
|
/* Make current */
|
|
SDL_RenderPresent(renderer);
|
|
|
|
/* 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);
|
|
|
|
/* 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
|
|
};
|
|
|
|
static const SDLTest_TestCaseReference renderTest3 = {
|
|
(SDLTest_TestCaseFp)render_testPrimitivesWithViewport, "render_testPrimitivesWithViewport", "Tests rendering primitives within a viewport", TEST_ENABLED
|
|
};
|
|
|
|
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
|
|
};
|
|
|
|
static const SDLTest_TestCaseReference renderTest6 = {
|
|
(SDLTest_TestCaseFp)render_testBlendModes, "render_testBlendModes", "Tests rendering blend modes", TEST_ENABLED
|
|
};
|
|
|
|
static const SDLTest_TestCaseReference renderTest7 = {
|
|
(SDLTest_TestCaseFp)render_testViewport, "render_testViewport", "Tests viewport", TEST_ENABLED
|
|
};
|
|
|
|
static const SDLTest_TestCaseReference renderTest8 = {
|
|
(SDLTest_TestCaseFp)render_testClipRect, "render_testClipRect", "Tests clip rect", TEST_ENABLED
|
|
};
|
|
|
|
static const SDLTest_TestCaseReference renderTest9 = {
|
|
(SDLTest_TestCaseFp)render_testLogicalSize, "render_testLogicalSize", "Tests logical size", TEST_ENABLED
|
|
};
|
|
|
|
/* Sequence of Render test cases */
|
|
static const SDLTest_TestCaseReference *renderTests[] = {
|
|
&renderTest1, &renderTest2, &renderTest3, &renderTest4,
|
|
&renderTest5, &renderTest6, &renderTest7, &renderTest8,
|
|
&renderTest9, NULL
|
|
};
|
|
|
|
/* Render test suite (global) */
|
|
SDLTest_TestSuiteReference renderTestSuite = {
|
|
"Render",
|
|
InitCreateRenderer,
|
|
renderTests,
|
|
CleanupDestroyRenderer
|
|
};
|