1 /** 2 * Create shaders in a loop to test memory usage. 3 */ 4 5 #include <stdio.h> 6 #include "state_tracker/graw.h" 7 #include "pipe/p_screen.h" 8 #include "pipe/p_context.h" 9 #include "pipe/p_state.h" 10 #include "pipe/p_defines.h" 11 12 #include "util/u_memory.h" /* Offset() */ 13 #include "util/u_draw_quad.h" 14 #include "util/u_inlines.h" 15 16 17 static int num_iters = 100; 18 19 20 enum pipe_format formats[] = { 21 PIPE_FORMAT_RGBA8888_UNORM, 22 PIPE_FORMAT_BGRA8888_UNORM, 23 PIPE_FORMAT_NONE 24 }; 25 26 static const int WIDTH = 300; 27 static const int HEIGHT = 300; 28 29 static struct pipe_screen *screen = NULL; 30 static struct pipe_context *ctx = NULL; 31 static struct pipe_surface *surf = NULL; 32 static struct pipe_resource *tex = NULL; 33 static void *window = NULL; 34 35 struct vertex { 36 float position[4]; 37 float color[4]; 38 }; 39 40 static struct vertex vertices[1] = 41 { 42 { 43 { 0.0f, -0.9f, 0.0f, 1.0f }, 44 { 1.0f, 0.0f, 0.0f, 1.0f } 45 } 46 }; 47 48 49 50 51 static void set_viewport( float x, float y, 52 float width, float height, 53 float zNear, float zFar) 54 { 55 float z = zFar; 56 float half_width = (float)width / 2.0f; 57 float half_height = (float)height / 2.0f; 58 float half_depth = ((float)zFar - (float)zNear) / 2.0f; 59 struct pipe_viewport_state vp; 60 61 vp.scale[0] = half_width; 62 vp.scale[1] = half_height; 63 vp.scale[2] = half_depth; 64 65 vp.translate[0] = half_width + x; 66 vp.translate[1] = half_height + y; 67 vp.translate[2] = half_depth + z; 68 69 ctx->set_viewport_states( ctx, 0, 1, &vp ); 70 } 71 72 static void set_vertices( void ) 73 { 74 struct pipe_vertex_element ve[2]; 75 struct pipe_vertex_buffer vbuf; 76 void *handle; 77 78 memset(ve, 0, sizeof ve); 79 80 ve[0].src_offset = Offset(struct vertex, position); 81 ve[0].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT; 82 ve[1].src_offset = Offset(struct vertex, color); 83 ve[1].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT; 84 85 handle = ctx->create_vertex_elements_state(ctx, 2, ve); 86 ctx->bind_vertex_elements_state(ctx, handle); 87 88 memset(&vbuf, 0, sizeof vbuf); 89 90 vbuf.stride = sizeof(struct vertex); 91 vbuf.buffer_offset = 0; 92 vbuf.buffer = pipe_buffer_create_with_data(ctx, 93 PIPE_BIND_VERTEX_BUFFER, 94 PIPE_USAGE_DEFAULT, 95 sizeof(vertices), 96 vertices); 97 98 ctx->set_vertex_buffers(ctx, 0, 1, &vbuf); 99 } 100 101 static void set_vertex_shader( void ) 102 { 103 void *handle; 104 const char *text = 105 "VERT\n" 106 "DCL IN[0]\n" 107 "DCL IN[1]\n" 108 "DCL OUT[0], POSITION\n" 109 "DCL OUT[1], COLOR\n" 110 " 0: MOV OUT[1], IN[1]\n" 111 " 1: MOV OUT[0], IN[0]\n" 112 " 2: END\n"; 113 114 handle = graw_parse_vertex_shader(ctx, text); 115 ctx->bind_vs_state(ctx, handle); 116 } 117 118 119 120 static void * 121 set_fragment_shader( void ) 122 { 123 void *handle; 124 const char *text = 125 "FRAG\n" 126 "DCL IN[0], COLOR, LINEAR\n" 127 "DCL OUT[0], COLOR\n" 128 "DCL TEMP[0..1]\n" 129 " 0: MUL TEMP[0], IN[0], IN[0]\n" 130 " 1: ADD TEMP[1], IN[0], IN[0]\n" 131 " 2: SUB OUT[0], TEMP[0], TEMP[1]\n" 132 " 3: END\n"; 133 134 handle = graw_parse_fragment_shader(ctx, text); 135 return handle; 136 } 137 138 139 static void draw( void ) 140 { 141 union pipe_color_union clear_color = { {0,0,0,1} }; 142 int i; 143 144 printf("Creating %d shaders\n", num_iters); 145 146 for (i = 0; i < num_iters; i++) { 147 void *fs = set_fragment_shader(); 148 149 ctx->bind_fs_state(ctx, fs); 150 151 ctx->clear(ctx, PIPE_CLEAR_COLOR, &clear_color, 0, 0); 152 util_draw_arrays(ctx, PIPE_PRIM_POINTS, 0, 1); 153 ctx->flush(ctx, NULL, 0); 154 155 ctx->bind_fs_state(ctx, NULL); 156 ctx->delete_fs_state(ctx, fs); 157 } 158 159 screen->flush_frontbuffer(screen, tex, 0, 0, window, NULL); 160 ctx->destroy(ctx); 161 162 exit(0); 163 } 164 165 166 static void init( void ) 167 { 168 struct pipe_framebuffer_state fb; 169 struct pipe_resource templat; 170 struct pipe_surface surf_tmpl; 171 int i; 172 173 /* It's hard to say whether window or screen should be created 174 * first. Different environments would prefer one or the other. 175 * 176 * Also, no easy way of querying supported formats if the screen 177 * cannot be created first. 178 */ 179 for (i = 0; formats[i] != PIPE_FORMAT_NONE; i++) { 180 screen = graw_create_window_and_screen(0, 0, 300, 300, 181 formats[i], 182 &window); 183 if (window && screen) 184 break; 185 } 186 if (!screen || !window) { 187 fprintf(stderr, "Unable to create window\n"); 188 exit(1); 189 } 190 191 ctx = screen->context_create(screen, NULL, 0); 192 if (ctx == NULL) 193 exit(3); 194 195 memset(&templat, 0, sizeof(templat)); 196 templat.target = PIPE_TEXTURE_2D; 197 templat.format = formats[i]; 198 templat.width0 = WIDTH; 199 templat.height0 = HEIGHT; 200 templat.depth0 = 1; 201 templat.last_level = 0; 202 templat.nr_samples = 1; 203 templat.bind = (PIPE_BIND_RENDER_TARGET | 204 PIPE_BIND_DISPLAY_TARGET); 205 206 tex = screen->resource_create(screen, &templat); 207 if (tex == NULL) { 208 fprintf(stderr, "Unable to create screen texture!\n"); 209 exit(4); 210 } 211 212 surf_tmpl.format = templat.format; 213 surf_tmpl.u.tex.level = 0; 214 surf_tmpl.u.tex.first_layer = 0; 215 surf_tmpl.u.tex.last_layer = 0; 216 surf = ctx->create_surface(ctx, tex, &surf_tmpl); 217 if (surf == NULL) { 218 fprintf(stderr, "Unable to create tex surface!\n"); 219 exit(5); 220 } 221 222 memset(&fb, 0, sizeof fb); 223 fb.nr_cbufs = 1; 224 fb.width = WIDTH; 225 fb.height = HEIGHT; 226 fb.cbufs[0] = surf; 227 228 ctx->set_framebuffer_state(ctx, &fb); 229 230 { 231 struct pipe_blend_state blend; 232 void *handle; 233 memset(&blend, 0, sizeof blend); 234 blend.rt[0].colormask = PIPE_MASK_RGBA; 235 handle = ctx->create_blend_state(ctx, &blend); 236 ctx->bind_blend_state(ctx, handle); 237 } 238 239 { 240 struct pipe_depth_stencil_alpha_state depthstencil; 241 void *handle; 242 memset(&depthstencil, 0, sizeof depthstencil); 243 handle = ctx->create_depth_stencil_alpha_state(ctx, &depthstencil); 244 ctx->bind_depth_stencil_alpha_state(ctx, handle); 245 } 246 247 { 248 struct pipe_rasterizer_state rasterizer; 249 void *handle; 250 memset(&rasterizer, 0, sizeof rasterizer); 251 rasterizer.cull_face = PIPE_FACE_NONE; 252 rasterizer.half_pixel_center = 1; 253 rasterizer.bottom_edge_rule = 1; 254 rasterizer.depth_clip = 1; 255 handle = ctx->create_rasterizer_state(ctx, &rasterizer); 256 ctx->bind_rasterizer_state(ctx, handle); 257 } 258 259 set_viewport(0, 0, WIDTH, HEIGHT, 30, 1000); 260 set_vertices(); 261 set_vertex_shader(); 262 if (0) 263 set_fragment_shader(); 264 } 265 266 267 int main( int argc, char *argv[] ) 268 { 269 if (argc > 1) 270 num_iters = atoi(argv[1]); 271 272 init(); 273 274 graw_set_display_func( draw ); 275 graw_main_loop(); 276 return 0; 277 } 278
