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annotate test/testsprite2.c @ 2256:e893d24ad8db

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Getting ready to add slow blitters. Everyone will love me. :)
author Sam Lantinga <slouken@libsdl.org>
date Thu, 16 Aug 2007 22:56:18 +0000
parents 926294b2bb4e
children e33ad7ebb7eb
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
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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5 #include <time.h>
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6
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051df511279c Added a test program framework for easy initialization.
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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
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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10 #define MAX_SPEED 1
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11
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051df511279c Added a test program framework for easy initialization.
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12 static CommonState *state;
1895
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;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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14 static SDL_TextureID *sprites;
1985
8055185ae4ed Added source color and alpha modulation support.
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15 static SDL_bool cycle_color;
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16 static SDL_bool cycle_alpha;
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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;
1965
a788656ca29a SDL constants are all uppercase.
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23 static SDL_TextureBlendMode blendMode = SDL_TEXTUREBLENDMODE_MASK;
a788656ca29a SDL constants are all uppercase.
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24 static SDL_TextureScaleMode scaleMode = SDL_TEXTURESCALEMODE_NONE;
1895
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
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28 quit(int rc)
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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);
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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);
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35 }
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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 }
1914
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39 CommonQuit(state);
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40 exit(rc);
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41 }
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42
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43 int
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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 {
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46 int i;
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47 SDL_Surface *temp;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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48
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49 /* Load the sprite image */
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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());
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53 return (-1);
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54 }
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55 sprite_w = temp->w;
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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
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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) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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60 SDL_SetColorKey(temp, SDL_SRCCOLORKEY, *(Uint8 *) temp->pixels);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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61 }
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62
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63 /* Create textures from the image */
1914
051df511279c Added a test program framework for easy initialization.
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64 for (i = 0; i < state->num_windows; ++i) {
051df511279c Added a test program framework for easy initialization.
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65 SDL_SelectRenderer(state->windows[i]);
2222
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
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66 sprites[i] = SDL_CreateTextureFromSurface(0, temp);
1895
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67 if (!sprites[i]) {
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68 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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69 SDL_FreeSurface(temp);
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70 return (-1);
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71 }
1985
8055185ae4ed Added source color and alpha modulation support.
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72 SDL_SetTextureBlendMode(sprites[i], blendMode);
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73 SDL_SetTextureScaleMode(sprites[i], scaleMode);
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74 }
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75 SDL_FreeSurface(temp);
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76
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77 /* We're ready to roll. :) */
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78 return (0);
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79 }
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80
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81 void
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82 MoveSprites(SDL_WindowID window, SDL_TextureID sprite)
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83 {
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84 int i, n;
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85 int window_w, window_h;
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86 SDL_Rect area, *position, *velocity;
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87
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88 SDL_SelectRenderer(window);
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89
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90 /* Query the sizes */
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91 SDL_GetWindowSize(window, &window_w, &window_h);
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92
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93 /* Cycle the color and alpha, if desired */
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94 if (cycle_color) {
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95 current_color += cycle_direction;
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96 if (current_color < 0) {
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97 current_color = 0;
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98 cycle_direction = -cycle_direction;
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99 }
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100 if (current_color > 255) {
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101 current_color = 255;
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102 cycle_direction = -cycle_direction;
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103 }
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104 SDL_SetTextureColorMod(sprite, 255, (Uint8) current_color,
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105 (Uint8) current_color);
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106 }
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107 if (cycle_alpha) {
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108 current_alpha += cycle_direction;
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109 if (current_alpha < 0) {
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110 current_alpha = 0;
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111 cycle_direction = -cycle_direction;
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112 }
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113 if (current_alpha > 255) {
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114 current_alpha = 255;
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115 cycle_direction = -cycle_direction;
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116 }
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117 SDL_SetTextureAlphaMod(sprite, (Uint8) current_alpha);
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118 }
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119
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120 /* Move the sprite, bounce at the wall, and draw */
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121 n = 0;
1985
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122 SDL_RenderFill(0xA0, 0xA0, 0xA0, 0xFF, NULL);
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123 for (i = 0; i < num_sprites; ++i) {
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124 position = &positions[i];
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125 velocity = &velocities[i];
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126 position->x += velocity->x;
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127 if ((position->x < 0) || (position->x >= (window_w - sprite_w))) {
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128 velocity->x = -velocity->x;
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129 position->x += velocity->x;
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130 }
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131 position->y += velocity->y;
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132 if ((position->y < 0) || (position->y >= (window_h - sprite_w))) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
133 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
134 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
135 }
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
136
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
137 /* Blit the sprite onto the screen */
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
138 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
139 }
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
140
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
141 /* 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
142 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
143 }
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
144
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
145 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
146 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
147 {
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
148 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
149 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
150 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
151
1914
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
152 /* 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
153 num_sprites = NUM_SPRITES;
1914
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
154
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
155 /* Initialize test framework */
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
156 state = CommonCreateState(argv, SDL_INIT_VIDEO);
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
157 if (!state) {
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
158 return 1;
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
159 }
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
160 for (i = 1; i < argc;) {
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
161 int consumed;
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
162
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
163 consumed = CommonArg(state, i);
1915
a228436a2404 Implemented multi-window OpenGL program with test framework.
Sam Lantinga <slouken@libsdl.org>
parents: 1914
diff changeset
164 if (consumed == 0) {
1916
c773b0c0ac89 Implemented blend modes in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1915
diff changeset
165 consumed = -1;
c773b0c0ac89 Implemented blend modes in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1915
diff changeset
166 if (SDL_strcasecmp(argv[i], "--blend") == 0) {
c773b0c0ac89 Implemented blend modes in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1915
diff changeset
167 if (argv[i + 1]) {
c773b0c0ac89 Implemented blend modes in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1915
diff changeset
168 if (SDL_strcasecmp(argv[i + 1], "none") == 0) {
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1917
diff changeset
169 blendMode = SDL_TEXTUREBLENDMODE_NONE;
1916
c773b0c0ac89 Implemented blend modes in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1915
diff changeset
170 consumed = 2;
1917
3f54b3ec5a07 Implemented scaling in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1916
diff changeset
171 } else if (SDL_strcasecmp(argv[i + 1], "mask") == 0) {
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1917
diff changeset
172 blendMode = SDL_TEXTUREBLENDMODE_MASK;
1917
3f54b3ec5a07 Implemented scaling in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1916
diff changeset
173 consumed = 2;
1916
c773b0c0ac89 Implemented blend modes in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1915
diff changeset
174 } else if (SDL_strcasecmp(argv[i + 1], "blend") == 0) {
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1917
diff changeset
175 blendMode = SDL_TEXTUREBLENDMODE_BLEND;
1916
c773b0c0ac89 Implemented blend modes in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1915
diff changeset
176 consumed = 2;
c773b0c0ac89 Implemented blend modes in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1915
diff changeset
177 } else if (SDL_strcasecmp(argv[i + 1], "add") == 0) {
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1917
diff changeset
178 blendMode = SDL_TEXTUREBLENDMODE_ADD;
1916
c773b0c0ac89 Implemented blend modes in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1915
diff changeset
179 consumed = 2;
c773b0c0ac89 Implemented blend modes in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1915
diff changeset
180 } else if (SDL_strcasecmp(argv[i + 1], "mod") == 0) {
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1917
diff changeset
181 blendMode = SDL_TEXTUREBLENDMODE_MOD;
1916
c773b0c0ac89 Implemented blend modes in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1915
diff changeset
182 consumed = 2;
c773b0c0ac89 Implemented blend modes in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1915
diff changeset
183 }
c773b0c0ac89 Implemented blend modes in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1915
diff changeset
184 }
1917
3f54b3ec5a07 Implemented scaling in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1916
diff changeset
185 } else if (SDL_strcasecmp(argv[i], "--scale") == 0) {
3f54b3ec5a07 Implemented scaling in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1916
diff changeset
186 if (argv[i + 1]) {
3f54b3ec5a07 Implemented scaling in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1916
diff changeset
187 if (SDL_strcasecmp(argv[i + 1], "none") == 0) {
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1917
diff changeset
188 scaleMode = SDL_TEXTURESCALEMODE_NONE;
1917
3f54b3ec5a07 Implemented scaling in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1916
diff changeset
189 consumed = 2;
3f54b3ec5a07 Implemented scaling in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1916
diff changeset
190 } 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
191 scaleMode = SDL_TEXTURESCALEMODE_FAST;
1917
3f54b3ec5a07 Implemented scaling in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1916
diff changeset
192 consumed = 2;
3f54b3ec5a07 Implemented scaling in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1916
diff changeset
193 } 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
194 scaleMode = SDL_TEXTURESCALEMODE_SLOW;
1917
3f54b3ec5a07 Implemented scaling in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1916
diff changeset
195 consumed = 2;
3f54b3ec5a07 Implemented scaling in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1916
diff changeset
196 } 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
197 scaleMode = SDL_TEXTURESCALEMODE_BEST;
1917
3f54b3ec5a07 Implemented scaling in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1916
diff changeset
198 consumed = 2;
3f54b3ec5a07 Implemented scaling in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1916
diff changeset
199 }
3f54b3ec5a07 Implemented scaling in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1916
diff changeset
200 }
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
201 } 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
202 cycle_color = SDL_TRUE;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
203 consumed = 1;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
204 } 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
205 cycle_alpha = SDL_TRUE;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
206 consumed = 1;
1916
c773b0c0ac89 Implemented blend modes in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1915
diff changeset
207 } else if (SDL_isdigit(*argv[i])) {
c773b0c0ac89 Implemented blend modes in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1915
diff changeset
208 num_sprites = SDL_atoi(argv[i]);
c773b0c0ac89 Implemented blend modes in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1915
diff changeset
209 consumed = 1;
c773b0c0ac89 Implemented blend modes in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1915
diff changeset
210 }
1915
a228436a2404 Implemented multi-window OpenGL program with test framework.
Sam Lantinga <slouken@libsdl.org>
parents: 1914
diff changeset
211 }
1914
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
212 if (consumed < 0) {
1917
3f54b3ec5a07 Implemented scaling in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1916
diff changeset
213 fprintf(stderr,
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
214 "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
215 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
216 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
217 }
1914
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
218 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
219 }
1914
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
220 if (!CommonInit(state)) {
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
221 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
222 }
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
223
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 /* 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
225 sprites =
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
226 (SDL_TextureID *) SDL_malloc(state->num_windows * sizeof(*sprites));
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
227 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
228 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
229 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
230 }
1914
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
231 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
232 SDL_SelectRenderer(state->windows[i]);
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
233 SDL_RenderFill(0xA0, 0xA0, 0xA0, 0xFF, NULL);
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
234 }
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
235 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
236 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
237 }
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
238
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
239 /* 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
240 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
241 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
242 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
243 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
244 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
245 }
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
246 srand(time(NULL));
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1917
diff changeset
247 if (scaleMode != SDL_TEXTURESCALEMODE_NONE) {
1917
3f54b3ec5a07 Implemented scaling in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1916
diff changeset
248 sprite_w += sprite_w / 2;
3f54b3ec5a07 Implemented scaling in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1916
diff changeset
249 sprite_h += sprite_h / 2;
3f54b3ec5a07 Implemented scaling in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1916
diff changeset
250 }
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
251 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
252 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
253 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
254 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
255 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
256 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
257 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
258 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
259 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
260 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
261 }
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
262 }
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
263
1915
a228436a2404 Implemented multi-window OpenGL program with test framework.
Sam Lantinga <slouken@libsdl.org>
parents: 1914
diff changeset
264 /* 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
265 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
266 then = SDL_GetTicks();
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
267 done = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
268 while (!done) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
269 /* Check for events */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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270 ++frames;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
271 while (SDL_PollEvent(&event)) {
1914
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
272 CommonEvent(state, &event, &done);
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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273 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
274 case SDL_WINDOWEVENT:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
275 switch (event.window.event) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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276 case SDL_WINDOWEVENT_EXPOSED:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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277 SDL_SelectRenderer(event.window.windowID);
1985
8055185ae4ed Added source color and alpha modulation support.
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parents: 1965
diff changeset
278 SDL_RenderFill(0xA0, 0xA0, 0xA0, 0xFF, NULL);
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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279 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
280 }
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
281 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
282 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
283 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
284 }
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
285 }
1914
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
286 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
287 MoveSprites(state->windows[i], sprites[i]);
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
288 }
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
289 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
290
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
291 /* 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
292 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
293 if (now > then) {
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 printf("%2.2f frames per second\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
295 ((double) frames * 1000) / (now - then));
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
296 }
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
297 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
298 }
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
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 /* vi: set ts=4 sw=4 expandtab: */