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annotate test/testsprite2.c @ 4757:140be6839185

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Correctly draw cursor based on position. Had to add UTF-8 functions utf8_length, utf8_next, utf8_advance.
author dewyatt
date Sun, 25 Jul 2010 13:17:31 -0400
parents 64ce267332c6
children dc26c37ad70e
rev   line source
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1 /* Simple program: Move N sprites around on the screen as fast as possible */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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2
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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3 #include <stdlib.h>
1907
06c27a737b7a Streamlined the API a bit and optimized the software renderer.
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4 #include <stdio.h>
1895
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5 #include <time.h>
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6
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7 #include "common.h"
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c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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8
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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9 #define NUM_SPRITES 100
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10 #define MAX_SPEED 1
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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11
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051df511279c Added a test program framework for easy initialization.
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parents: 1907
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12 static CommonState *state;
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c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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13 static int num_sprites;
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64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
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parents: 3596
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14 static SDL_Texture **sprites;
1985
8055185ae4ed Added source color and alpha modulation support.
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parents: 1965
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15 static SDL_bool cycle_color;
8055185ae4ed Added source color and alpha modulation support.
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parents: 1965
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16 static SDL_bool cycle_alpha;
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parents: 1965
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17 static int cycle_direction = 1;
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18 static int current_alpha = 0;
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19 static int current_color = 0;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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20 static SDL_Rect *positions;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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21 static SDL_Rect *velocities;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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22 static int sprite_w, sprite_h;
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9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
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parents: 2834
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23 static SDL_BlendMode blendMode = SDL_BLENDMODE_MASK;
1965
a788656ca29a SDL constants are all uppercase.
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24 static SDL_TextureScaleMode scaleMode = SDL_TEXTURESCALEMODE_NONE;
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c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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25
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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26 /* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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27 static void
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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28 quit(int rc)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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29 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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30 if (sprites) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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31 SDL_free(sprites);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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32 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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33 if (positions) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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34 SDL_free(positions);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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35 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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36 if (velocities) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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37 SDL_free(velocities);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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38 }
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051df511279c Added a test program framework for easy initialization.
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39 CommonQuit(state);
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40 exit(rc);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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41 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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42
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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43 int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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44 LoadSprite(char *file)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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45 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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46 int i;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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47 SDL_Surface *temp;
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48
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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49 /* Load the sprite image */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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50 temp = SDL_LoadBMP(file);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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51 if (temp == NULL) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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52 fprintf(stderr, "Couldn't load %s: %s", file, SDL_GetError());
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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53 return (-1);
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54 }
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55 sprite_w = temp->w;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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56 sprite_h = temp->h;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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57
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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58 /* Set transparent pixel as the pixel at (0,0) */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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59 if (temp->format->palette) {
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5543db4239e6 The SDL 1.3 tests have been cleaned up not to include any 1.2 compatibility code.
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60 SDL_SetColorKey(temp, 1, *(Uint8 *) temp->pixels);
3183
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parents: 2884
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61 } else {
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62 switch (temp->format->BitsPerPixel) {
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parents: 2884
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63 case 15:
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64 SDL_SetColorKey(temp, 1, (*(Uint16 *) temp->pixels) & 0x00007FFF);
3183
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parents: 2884
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65 break;
d1436442215f Support for 15/16/24/32 bpps of icon.bmp has been added, in case if not an original icon.bmp (8bpp with palette) is used for tests.
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parents: 2884
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66 case 16:
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67 SDL_SetColorKey(temp, 1, *(Uint16 *) temp->pixels);
3183
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parents: 2884
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68 break;
d1436442215f Support for 15/16/24/32 bpps of icon.bmp has been added, in case if not an original icon.bmp (8bpp with palette) is used for tests.
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parents: 2884
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69 case 24:
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70 SDL_SetColorKey(temp, 1, (*(Uint32 *) temp->pixels) & 0x00FFFFFF);
3183
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parents: 2884
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71 break;
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parents: 2884
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72 case 32:
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73 SDL_SetColorKey(temp, 1, *(Uint32 *) temp->pixels);
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parents: 2884
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74 break;
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parents: 2884
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75 }
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c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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76 }
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77
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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78 /* Create textures from the image */
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051df511279c Added a test program framework for easy initialization.
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79 for (i = 0; i < state->num_windows; ++i) {
051df511279c Added a test program framework for easy initialization.
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parents: 1907
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80 SDL_SelectRenderer(state->windows[i]);
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926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
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81 sprites[i] = SDL_CreateTextureFromSurface(0, temp);
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c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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82 if (!sprites[i]) {
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0d7b20a4a629 Fall back to opaque sprite if no formats with alpha are supported.
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parents: 3266
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83 SDL_SetColorKey(temp, 0, 0);
0d7b20a4a629 Fall back to opaque sprite if no formats with alpha are supported.
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84 sprites[i] = SDL_CreateTextureFromSurface(0, temp);
0d7b20a4a629 Fall back to opaque sprite if no formats with alpha are supported.
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85 }
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parents: 3266
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86 if (!sprites[i]) {
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c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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87 fprintf(stderr, "Couldn't create texture: %s\n", SDL_GetError());
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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88 SDL_FreeSurface(temp);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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89 return (-1);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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90 }
1985
8055185ae4ed Added source color and alpha modulation support.
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parents: 1965
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91 SDL_SetTextureBlendMode(sprites[i], blendMode);
8055185ae4ed Added source color and alpha modulation support.
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parents: 1965
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92 SDL_SetTextureScaleMode(sprites[i], scaleMode);
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c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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93 }
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94 SDL_FreeSurface(temp);
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95
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96 /* We're ready to roll. :) */
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97 return (0);
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98 }
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99
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100 void
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parents: 3596
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101 MoveSprites(SDL_Window * window, SDL_Texture * sprite)
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102 {
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103 int i, n;
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104 int window_w, window_h;
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parents: 3264
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105 SDL_Rect temp;
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parents: 2222
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106 SDL_Rect *position, *velocity;
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107
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108 SDL_SelectRenderer(window);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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109
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110 /* Query the sizes */
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111 SDL_GetWindowSize(window, &window_w, &window_h);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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112
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
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113 /* Cycle the color and alpha, if desired */
8055185ae4ed Added source color and alpha modulation support.
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parents: 1965
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114 if (cycle_color) {
8055185ae4ed Added source color and alpha modulation support.
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parents: 1965
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115 current_color += cycle_direction;
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116 if (current_color < 0) {
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117 current_color = 0;
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118 cycle_direction = -cycle_direction;
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119 }
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120 if (current_color > 255) {
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121 current_color = 255;
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122 cycle_direction = -cycle_direction;
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123 }
8055185ae4ed Added source color and alpha modulation support.
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parents: 1965
diff changeset
124 SDL_SetTextureColorMod(sprite, 255, (Uint8) current_color,
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parents: 1965
diff changeset
125 (Uint8) current_color);
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
126 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
127 if (cycle_alpha) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
128 current_alpha += cycle_direction;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
129 if (current_alpha < 0) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
130 current_alpha = 0;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
131 cycle_direction = -cycle_direction;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
132 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
133 if (current_alpha > 255) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
134 current_alpha = 255;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
135 cycle_direction = -cycle_direction;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
136 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
137 SDL_SetTextureAlphaMod(sprite, (Uint8) current_alpha);
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
138 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
139
3264
8fe0806637df Fixed bug #783
Sam Lantinga <slouken@libsdl.org>
parents: 3186
diff changeset
140 /* Draw a gray background */
8fe0806637df Fixed bug #783
Sam Lantinga <slouken@libsdl.org>
parents: 3186
diff changeset
141 SDL_SetRenderDrawColor(0xA0, 0xA0, 0xA0, 0xFF);
3596
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3560
diff changeset
142 SDL_RenderClear();
3264
8fe0806637df Fixed bug #783
Sam Lantinga <slouken@libsdl.org>
parents: 3186
diff changeset
143
3265
8f534bf37bef Added more tests for the different primitive types
Sam Lantinga <slouken@libsdl.org>
parents: 3264
diff changeset
144 /* Test points */
3264
8fe0806637df Fixed bug #783
Sam Lantinga <slouken@libsdl.org>
parents: 3186
diff changeset
145 SDL_SetRenderDrawColor(0xFF, 0x00, 0x00, 0xFF);
3596
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3560
diff changeset
146 SDL_RenderDrawPoint(0, 0);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3560
diff changeset
147 SDL_RenderDrawPoint(window_w-1, 0);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3560
diff changeset
148 SDL_RenderDrawPoint(0, window_h-1);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3560
diff changeset
149 SDL_RenderDrawPoint(window_w-1, window_h-1);
3264
8fe0806637df Fixed bug #783
Sam Lantinga <slouken@libsdl.org>
parents: 3186
diff changeset
150
3265
8f534bf37bef Added more tests for the different primitive types
Sam Lantinga <slouken@libsdl.org>
parents: 3264
diff changeset
151 /* Test horizontal and vertical lines */
8f534bf37bef Added more tests for the different primitive types
Sam Lantinga <slouken@libsdl.org>
parents: 3264
diff changeset
152 SDL_SetRenderDrawColor(0x00, 0xFF, 0x00, 0xFF);
3596
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3560
diff changeset
153 SDL_RenderDrawLine(1, 0, window_w-2, 0);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3560
diff changeset
154 SDL_RenderDrawLine(1, window_h-1, window_w-2, window_h-1);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3560
diff changeset
155 SDL_RenderDrawLine(0, 1, 0, window_h-2);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3560
diff changeset
156 SDL_RenderDrawLine(window_w-1, 1, window_w-1, window_h-2);
3265
8f534bf37bef Added more tests for the different primitive types
Sam Lantinga <slouken@libsdl.org>
parents: 3264
diff changeset
157
3266
7856dfe3a44f More test coverage
Sam Lantinga <slouken@libsdl.org>
parents: 3265
diff changeset
158 /* Test fill and copy */
3265
8f534bf37bef Added more tests for the different primitive types
Sam Lantinga <slouken@libsdl.org>
parents: 3264
diff changeset
159 SDL_SetRenderDrawColor(0xFF, 0xFF, 0xFF, 0xFF);
3266
7856dfe3a44f More test coverage
Sam Lantinga <slouken@libsdl.org>
parents: 3265
diff changeset
160 temp.x = 1;
7856dfe3a44f More test coverage
Sam Lantinga <slouken@libsdl.org>
parents: 3265
diff changeset
161 temp.y = 1;
7856dfe3a44f More test coverage
Sam Lantinga <slouken@libsdl.org>
parents: 3265
diff changeset
162 temp.w = sprite_w;
7856dfe3a44f More test coverage
Sam Lantinga <slouken@libsdl.org>
parents: 3265
diff changeset
163 temp.h = sprite_h;
3596
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3560
diff changeset
164 SDL_RenderFillRect(&temp);
3266
7856dfe3a44f More test coverage
Sam Lantinga <slouken@libsdl.org>
parents: 3265
diff changeset
165 SDL_RenderCopy(sprite, NULL, &temp);
3265
8f534bf37bef Added more tests for the different primitive types
Sam Lantinga <slouken@libsdl.org>
parents: 3264
diff changeset
166 temp.x = window_w-sprite_w-1;
8f534bf37bef Added more tests for the different primitive types
Sam Lantinga <slouken@libsdl.org>
parents: 3264
diff changeset
167 temp.y = 1;
8f534bf37bef Added more tests for the different primitive types
Sam Lantinga <slouken@libsdl.org>
parents: 3264
diff changeset
168 temp.w = sprite_w;
8f534bf37bef Added more tests for the different primitive types
Sam Lantinga <slouken@libsdl.org>
parents: 3264
diff changeset
169 temp.h = sprite_h;
3596
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3560
diff changeset
170 SDL_RenderFillRect(&temp);
3266
7856dfe3a44f More test coverage
Sam Lantinga <slouken@libsdl.org>
parents: 3265
diff changeset
171 SDL_RenderCopy(sprite, NULL, &temp);
3265
8f534bf37bef Added more tests for the different primitive types
Sam Lantinga <slouken@libsdl.org>
parents: 3264
diff changeset
172 temp.x = 1;
8f534bf37bef Added more tests for the different primitive types
Sam Lantinga <slouken@libsdl.org>
parents: 3264
diff changeset
173 temp.y = window_h-sprite_h-1;
8f534bf37bef Added more tests for the different primitive types
Sam Lantinga <slouken@libsdl.org>
parents: 3264
diff changeset
174 temp.w = sprite_w;
8f534bf37bef Added more tests for the different primitive types
Sam Lantinga <slouken@libsdl.org>
parents: 3264
diff changeset
175 temp.h = sprite_h;
3596
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3560
diff changeset
176 SDL_RenderFillRect(&temp);
3265
8f534bf37bef Added more tests for the different primitive types
Sam Lantinga <slouken@libsdl.org>
parents: 3264
diff changeset
177 SDL_RenderCopy(sprite, NULL, &temp);
8f534bf37bef Added more tests for the different primitive types
Sam Lantinga <slouken@libsdl.org>
parents: 3264
diff changeset
178 temp.x = window_w-sprite_w-1;
8f534bf37bef Added more tests for the different primitive types
Sam Lantinga <slouken@libsdl.org>
parents: 3264
diff changeset
179 temp.y = window_h-sprite_h-1;
8f534bf37bef Added more tests for the different primitive types
Sam Lantinga <slouken@libsdl.org>
parents: 3264
diff changeset
180 temp.w = sprite_w;
8f534bf37bef Added more tests for the different primitive types
Sam Lantinga <slouken@libsdl.org>
parents: 3264
diff changeset
181 temp.h = sprite_h;
3596
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3560
diff changeset
182 SDL_RenderFillRect(&temp);
3265
8f534bf37bef Added more tests for the different primitive types
Sam Lantinga <slouken@libsdl.org>
parents: 3264
diff changeset
183 SDL_RenderCopy(sprite, NULL, &temp);
8f534bf37bef Added more tests for the different primitive types
Sam Lantinga <slouken@libsdl.org>
parents: 3264
diff changeset
184
8f534bf37bef Added more tests for the different primitive types
Sam Lantinga <slouken@libsdl.org>
parents: 3264
diff changeset
185 /* Test diagonal lines */
8f534bf37bef Added more tests for the different primitive types
Sam Lantinga <slouken@libsdl.org>
parents: 3264
diff changeset
186 SDL_SetRenderDrawColor(0x00, 0xFF, 0x00, 0xFF);
3596
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3560
diff changeset
187 SDL_RenderDrawLine(sprite_w, sprite_h,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3560
diff changeset
188 window_w-sprite_w-2, window_h-sprite_h-2);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3560
diff changeset
189 SDL_RenderDrawLine(window_w-sprite_w-2, sprite_h,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3560
diff changeset
190 sprite_w, window_h-sprite_h-2);
3265
8f534bf37bef Added more tests for the different primitive types
Sam Lantinga <slouken@libsdl.org>
parents: 3264
diff changeset
191
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
192 /* Move the sprite, bounce at the wall, and draw */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
193 n = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
194 for (i = 0; i < num_sprites; ++i) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
195 position = &positions[i];
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
196 velocity = &velocities[i];
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
197 position->x += velocity->x;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
198 if ((position->x < 0) || (position->x >= (window_w - sprite_w))) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
199 velocity->x = -velocity->x;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
200 position->x += velocity->x;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
201 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
202 position->y += velocity->y;
2834
feb6ccdb888f minor bug
Sam Lantinga <slouken@libsdl.org>
parents: 2786
diff changeset
203 if ((position->y < 0) || (position->y >= (window_h - sprite_h))) {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
204 velocity->y = -velocity->y;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
205 position->y += velocity->y;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
206 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
207
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
208 /* Blit the sprite onto the screen */
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
209 SDL_RenderCopy(sprite, NULL, position);
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
210 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
211
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
212 /* Update the screen! */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
213 SDL_RenderPresent();
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
214 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
215
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
216 int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
217 main(int argc, char *argv[])
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
218 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
219 int i, done;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
220 SDL_Event event;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
221 Uint32 then, now, frames;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
222
1914
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
223 /* Initialize parameters */
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
224 num_sprites = NUM_SPRITES;
1914
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
225
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
226 /* Initialize test framework */
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
227 state = CommonCreateState(argv, SDL_INIT_VIDEO);
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
228 if (!state) {
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
229 return 1;
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
230 }
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
231 for (i = 1; i < argc;) {
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
232 int consumed;
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
233
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
234 consumed = CommonArg(state, i);
1915
a228436a2404 Implemented multi-window OpenGL program with test framework.
Sam Lantinga <slouken@libsdl.org>
parents: 1914
diff changeset
235 if (consumed == 0) {
1916
c773b0c0ac89 Implemented blend modes in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1915
diff changeset
236 consumed = -1;
c773b0c0ac89 Implemented blend modes in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1915
diff changeset
237 if (SDL_strcasecmp(argv[i], "--blend") == 0) {
c773b0c0ac89 Implemented blend modes in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1915
diff changeset
238 if (argv[i + 1]) {
c773b0c0ac89 Implemented blend modes in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1915
diff changeset
239 if (SDL_strcasecmp(argv[i + 1], "none") == 0) {
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2834
diff changeset
240 blendMode = SDL_BLENDMODE_NONE;
1916
c773b0c0ac89 Implemented blend modes in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1915
diff changeset
241 consumed = 2;
1917
3f54b3ec5a07 Implemented scaling in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1916
diff changeset
242 } else if (SDL_strcasecmp(argv[i + 1], "mask") == 0) {
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2834
diff changeset
243 blendMode = SDL_BLENDMODE_MASK;
1917
3f54b3ec5a07 Implemented scaling in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1916
diff changeset
244 consumed = 2;
1916
c773b0c0ac89 Implemented blend modes in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1915
diff changeset
245 } else if (SDL_strcasecmp(argv[i + 1], "blend") == 0) {
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2834
diff changeset
246 blendMode = SDL_BLENDMODE_BLEND;
1916
c773b0c0ac89 Implemented blend modes in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1915
diff changeset
247 consumed = 2;
c773b0c0ac89 Implemented blend modes in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1915
diff changeset
248 } else if (SDL_strcasecmp(argv[i + 1], "add") == 0) {
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2834
diff changeset
249 blendMode = SDL_BLENDMODE_ADD;
1916
c773b0c0ac89 Implemented blend modes in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1915
diff changeset
250 consumed = 2;
c773b0c0ac89 Implemented blend modes in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1915
diff changeset
251 } else if (SDL_strcasecmp(argv[i + 1], "mod") == 0) {
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2834
diff changeset
252 blendMode = SDL_BLENDMODE_MOD;
1916
c773b0c0ac89 Implemented blend modes in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1915
diff changeset
253 consumed = 2;
c773b0c0ac89 Implemented blend modes in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1915
diff changeset
254 }
c773b0c0ac89 Implemented blend modes in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1915
diff changeset
255 }
1917
3f54b3ec5a07 Implemented scaling in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1916
diff changeset
256 } else if (SDL_strcasecmp(argv[i], "--scale") == 0) {
3f54b3ec5a07 Implemented scaling in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1916
diff changeset
257 if (argv[i + 1]) {
3f54b3ec5a07 Implemented scaling in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1916
diff changeset
258 if (SDL_strcasecmp(argv[i + 1], "none") == 0) {
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1917
diff changeset
259 scaleMode = SDL_TEXTURESCALEMODE_NONE;
1917
3f54b3ec5a07 Implemented scaling in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1916
diff changeset
260 consumed = 2;
3f54b3ec5a07 Implemented scaling in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1916
diff changeset
261 } else if (SDL_strcasecmp(argv[i + 1], "fast") == 0) {
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1917
diff changeset
262 scaleMode = SDL_TEXTURESCALEMODE_FAST;
1917
3f54b3ec5a07 Implemented scaling in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1916
diff changeset
263 consumed = 2;
3f54b3ec5a07 Implemented scaling in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1916
diff changeset
264 } else if (SDL_strcasecmp(argv[i + 1], "slow") == 0) {
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1917
diff changeset
265 scaleMode = SDL_TEXTURESCALEMODE_SLOW;
1917
3f54b3ec5a07 Implemented scaling in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1916
diff changeset
266 consumed = 2;
3f54b3ec5a07 Implemented scaling in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1916
diff changeset
267 } else if (SDL_strcasecmp(argv[i + 1], "best") == 0) {
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1917
diff changeset
268 scaleMode = SDL_TEXTURESCALEMODE_BEST;
1917
3f54b3ec5a07 Implemented scaling in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1916
diff changeset
269 consumed = 2;
3f54b3ec5a07 Implemented scaling in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1916
diff changeset
270 }
3f54b3ec5a07 Implemented scaling in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1916
diff changeset
271 }
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
272 } else if (SDL_strcasecmp(argv[i], "--cyclecolor") == 0) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
273 cycle_color = SDL_TRUE;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
274 consumed = 1;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
275 } else if (SDL_strcasecmp(argv[i], "--cyclealpha") == 0) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
276 cycle_alpha = SDL_TRUE;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
277 consumed = 1;
1916
c773b0c0ac89 Implemented blend modes in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1915
diff changeset
278 } else if (SDL_isdigit(*argv[i])) {
c773b0c0ac89 Implemented blend modes in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1915
diff changeset
279 num_sprites = SDL_atoi(argv[i]);
c773b0c0ac89 Implemented blend modes in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1915
diff changeset
280 consumed = 1;
c773b0c0ac89 Implemented blend modes in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1915
diff changeset
281 }
1915
a228436a2404 Implemented multi-window OpenGL program with test framework.
Sam Lantinga <slouken@libsdl.org>
parents: 1914
diff changeset
282 }
1914
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
283 if (consumed < 0) {
1917
3f54b3ec5a07 Implemented scaling in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1916
diff changeset
284 fprintf(stderr,
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
285 "Usage: %s %s [--blend none|mask|blend|add|mod] [--scale none|fast|slow|best] [--cyclecolor] [--cyclealpha]\n",
1916
c773b0c0ac89 Implemented blend modes in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1915
diff changeset
286 argv[0], CommonUsage(state));
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
287 quit(1);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
288 }
1914
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
289 i += consumed;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
290 }
1914
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
291 if (!CommonInit(state)) {
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
292 quit(2);
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
293 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
294
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
295 /* Create the windows, initialize the renderers, and load the textures */
1914
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
296 sprites =
3685
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
Sam Lantinga <slouken@libsdl.org>
parents: 3596
diff changeset
297 (SDL_Texture **) SDL_malloc(state->num_windows * sizeof(*sprites));
1914
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
298 if (!sprites) {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
299 fprintf(stderr, "Out of memory!\n");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
300 quit(2);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
301 }
1914
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
302 for (i = 0; i < state->num_windows; ++i) {
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
303 SDL_SelectRenderer(state->windows[i]);
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2834
diff changeset
304 SDL_SetRenderDrawColor(0xA0, 0xA0, 0xA0, 0xFF);
3596
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3560
diff changeset
305 SDL_RenderClear();
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
306 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
307 if (LoadSprite("icon.bmp") < 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
308 quit(2);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
309 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
310
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
311 /* Allocate memory for the sprite info */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
312 positions = (SDL_Rect *) SDL_malloc(num_sprites * sizeof(SDL_Rect));
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
313 velocities = (SDL_Rect *) SDL_malloc(num_sprites * sizeof(SDL_Rect));
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
314 if (!positions || !velocities) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
315 fprintf(stderr, "Out of memory!\n");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
316 quit(2);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
317 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
318 srand(time(NULL));
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1917
diff changeset
319 if (scaleMode != SDL_TEXTURESCALEMODE_NONE) {
1917
3f54b3ec5a07 Implemented scaling in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1916
diff changeset
320 sprite_w += sprite_w / 2;
3f54b3ec5a07 Implemented scaling in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1916
diff changeset
321 sprite_h += sprite_h / 2;
3f54b3ec5a07 Implemented scaling in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1916
diff changeset
322 }
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
323 for (i = 0; i < num_sprites; ++i) {
1914
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
324 positions[i].x = rand() % (state->window_w - sprite_w);
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
325 positions[i].y = rand() % (state->window_h - sprite_h);
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
326 positions[i].w = sprite_w;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
327 positions[i].h = sprite_h;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
328 velocities[i].x = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
329 velocities[i].y = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
330 while (!velocities[i].x && !velocities[i].y) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
331 velocities[i].x = (rand() % (MAX_SPEED * 2 + 1)) - MAX_SPEED;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
332 velocities[i].y = (rand() % (MAX_SPEED * 2 + 1)) - MAX_SPEED;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
333 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
334 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
335
1915
a228436a2404 Implemented multi-window OpenGL program with test framework.
Sam Lantinga <slouken@libsdl.org>
parents: 1914
diff changeset
336 /* Main render loop */
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
337 frames = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
338 then = SDL_GetTicks();
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
339 done = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
340 while (!done) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
341 /* Check for events */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
342 ++frames;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
343 while (SDL_PollEvent(&event)) {
1914
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
344 CommonEvent(state, &event, &done);
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
345 switch (event.type) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
346 case SDL_WINDOWEVENT:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
347 switch (event.window.event) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
348 case SDL_WINDOWEVENT_EXPOSED:
3685
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
Sam Lantinga <slouken@libsdl.org>
parents: 3596
diff changeset
349 SDL_SelectRenderer(SDL_GetWindowFromID(event.window.windowID));
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2834
diff changeset
350 SDL_SetRenderDrawColor(0xA0, 0xA0, 0xA0, 0xFF);
3596
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3560
diff changeset
351 SDL_RenderClear();
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
352 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
353 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
354 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
355 default:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
356 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
357 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
358 }
1914
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
359 for (i = 0; i < state->num_windows; ++i) {
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
360 MoveSprites(state->windows[i], sprites[i]);
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
361 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
362 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
363
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
364 /* Print out some timing information */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
365 now = SDL_GetTicks();
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
366 if (now > then) {
2786
Sam Lantinga <slouken@libsdl.org>
parents: 2783
diff changeset
367 double fps = ((double) frames * 1000) / (now - then);
2783
e33ad7ebb7eb Fixed Direct3D rendering
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
368 printf("%2.2f frames per second\n", fps);
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
369 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
370 quit(0);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
371 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
372
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
373 /* vi: set ts=4 sw=4 expandtab: */