src/gallium/tests/graw/shader-leak.c

   1 /**
   2  * Create shaders in a loop to test memory usage.
   3  */
   4
   5 #include <stdio.h>
   6 #include "frontend/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.resource = 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, NULL, &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.bind = (PIPE_BIND_RENDER_TARGET |
 203                    PIPE_BIND_DISPLAY_TARGET);
 204
 205    tex = screen->resource_create(screen, &templat);
 206    if (tex == NULL) {
 207       fprintf(stderr, "Unable to create screen texture!\n");
 208       exit(4);
 209    }
 210
 211    surf_tmpl.format = templat.format;
 212    surf_tmpl.u.tex.level = 0;
 213    surf_tmpl.u.tex.first_layer = 0;
 214    surf_tmpl.u.tex.last_layer = 0;
 215    surf = ctx->create_surface(ctx, tex, &surf_tmpl);
 216    if (surf == NULL) {
 217       fprintf(stderr, "Unable to create tex surface!\n");
 218       exit(5);
 219    }
 220
 221    memset(&fb, 0, sizeof fb);
 222    fb.nr_cbufs = 1;
 223    fb.width = WIDTH;
 224    fb.height = HEIGHT;
 225    fb.cbufs[0] = surf;
 226
 227    ctx->set_framebuffer_state(ctx, &fb);
 228
 229    {
 230       struct pipe_blend_state blend;
 231       void *handle;
 232       memset(&blend, 0, sizeof blend);
 233       blend.rt[0].colormask = PIPE_MASK_RGBA;
 234       handle = ctx->create_blend_state(ctx, &blend);
 235       ctx->bind_blend_state(ctx, handle);
 236    }
 237
 238    {
 239       struct pipe_depth_stencil_alpha_state depthstencil;
 240       void *handle;
 241       memset(&depthstencil, 0, sizeof depthstencil);
 242       handle = ctx->create_depth_stencil_alpha_state(ctx, &depthstencil);
 243       ctx->bind_depth_stencil_alpha_state(ctx, handle);
 244    }
 245
 246    {
 247       struct pipe_rasterizer_state rasterizer;
 248       void *handle;
 249       memset(&rasterizer, 0, sizeof rasterizer);
 250       rasterizer.cull_face = PIPE_FACE_NONE;
 251       rasterizer.half_pixel_center = 1;
 252       rasterizer.bottom_edge_rule = 1;
 253       rasterizer.depth_clip_near = 1;
 254       rasterizer.depth_clip_far = 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 }