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 "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_R8G8B8A8_UNORM,
  22    PIPE_FORMAT_B8G8R8A8_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 near, float far)
  54 {
  55    float z = far;
  56    float half_width = (float)width / 2.0f;
  57    float half_height = (float)height / 2.0f;
  58    float half_depth = ((float)far - (float)near) / 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    vp.scale[3] = 1.0f;
  65
  66    vp.translate[0] = half_width + x;
  67    vp.translate[1] = half_height + y;
  68    vp.translate[2] = half_depth + z;
  69    vp.translate[3] = 0.0f;
  70
  71    ctx->set_viewport_state( ctx, &vp );
  72 }
  73
  74 static void set_vertices( void )
  75 {
  76    struct pipe_vertex_element ve[2];
  77    struct pipe_vertex_buffer vbuf;
  78    void *handle;
  79
  80    memset(ve, 0, sizeof ve);
  81
  82    ve[0].src_offset = Offset(struct vertex, position);
  83    ve[0].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
  84    ve[1].src_offset = Offset(struct vertex, color);
  85    ve[1].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
  86
  87    handle = ctx->create_vertex_elements_state(ctx, 2, ve);
  88    ctx->bind_vertex_elements_state(ctx, handle);
  89
  90
  91    vbuf.stride = sizeof(struct vertex);
  92    vbuf.buffer_offset = 0;
  93    vbuf.buffer = pipe_buffer_create_with_data(ctx,
  94                                               PIPE_BIND_VERTEX_BUFFER,
  95                                               PIPE_USAGE_STATIC,
  96                                               sizeof(vertices),
  97                                               vertices);
  98
  99    ctx->set_vertex_buffers(ctx, 1, &vbuf);
 100 }
 101
 102 static void set_vertex_shader( void )
 103 {
 104    void *handle;
 105    const char *text =
 106       "VERT\n"
 107       "DCL IN[0]\n"
 108       "DCL IN[1]\n"
 109       "DCL OUT[0], POSITION\n"
 110       "DCL OUT[1], COLOR\n"
 111       "  0: MOV OUT[1], IN[1]\n"
 112       "  1: MOV OUT[0], IN[0]\n"
 113       "  2: END\n";
 114
 115    handle = graw_parse_vertex_shader(ctx, text);
 116    ctx->bind_vs_state(ctx, handle);
 117 }
 118
 119
 120
 121 static void *
 122 set_fragment_shader( void )
 123 {
 124    void *handle;
 125    const char *text =
 126       "FRAG\n"
 127       "DCL IN[0], COLOR, LINEAR\n"
 128       "DCL OUT[0], COLOR\n"
 129       "DCL TEMP[0..1]\n"
 130       "  0: MUL TEMP[0], IN[0], IN[0]\n"
 131       "  1: ADD TEMP[1], IN[0], IN[0]\n"
 132       "  2: SUB OUT[0], TEMP[0], TEMP[1]\n"
 133       "  3: END\n";
 134
 135    handle = graw_parse_fragment_shader(ctx, text);
 136    return handle;
 137 }
 138
 139
 140 static void draw( void )
 141 {
 142    union pipe_color_union clear_color = { {0,0,0,1} };
 143    int i;
 144
 145    printf("Creating %d shaders\n", num_iters);
 146
 147    for (i = 0; i < num_iters; i++) {
 148       void *fs = set_fragment_shader();
 149
 150       ctx->bind_fs_state(ctx, fs);
 151
 152       ctx->clear(ctx, PIPE_CLEAR_COLOR, &clear_color, 0, 0);
 153       util_draw_arrays(ctx, PIPE_PRIM_POINTS, 0, 1);
 154       ctx->flush(ctx, NULL);
 155
 156       ctx->bind_fs_state(ctx, NULL);
 157       ctx->delete_fs_state(ctx, fs);
 158    }
 159
 160    screen->flush_frontbuffer(screen, tex, 0, 0, window);
 161    ctx->destroy(ctx);
 162
 163    exit(0);
 164 }
 165
 166
 167 static void init( void )
 168 {
 169    struct pipe_framebuffer_state fb;
 170    struct pipe_resource templat;
 171    struct pipe_surface surf_tmpl;
 172    int i;
 173
 174    /* It's hard to say whether window or screen should be created
 175     * first.  Different environments would prefer one or the other.
 176     *
 177     * Also, no easy way of querying supported formats if the screen
 178     * cannot be created first.
 179     */
 180    for (i = 0; formats[i] != PIPE_FORMAT_NONE; i++) {
 181       screen = graw_create_window_and_screen(0, 0, 300, 300,
 182                                              formats[i],
 183                                              &window);
 184       if (window && screen)
 185          break;
 186    }
 187    if (!screen || !window) {
 188       fprintf(stderr, "Unable to create window\n");
 189       exit(1);
 190    }
 191
 192    ctx = screen->context_create(screen, NULL);
 193    if (ctx == NULL)
 194       exit(3);
 195
 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.usage = PIPE_BIND_RENDER_TARGET;
 214    surf_tmpl.u.tex.level = 0;
 215    surf_tmpl.u.tex.first_layer = 0;
 216    surf_tmpl.u.tex.last_layer = 0;
 217    surf = ctx->create_surface(ctx, tex, &surf_tmpl);
 218    if (surf == NULL) {
 219       fprintf(stderr, "Unable to create tex surface!\n");
 220       exit(5);
 221    }
 222
 223    memset(&fb, 0, sizeof fb);
 224    fb.nr_cbufs = 1;
 225    fb.width = WIDTH;
 226    fb.height = HEIGHT;
 227    fb.cbufs[0] = surf;
 228
 229    ctx->set_framebuffer_state(ctx, &fb);
 230
 231    {
 232       struct pipe_blend_state blend;
 233       void *handle;
 234       memset(&blend, 0, sizeof blend);
 235       blend.rt[0].colormask = PIPE_MASK_RGBA;
 236       handle = ctx->create_blend_state(ctx, &blend);
 237       ctx->bind_blend_state(ctx, handle);
 238    }
 239
 240    {
 241       struct pipe_depth_stencil_alpha_state depthstencil;
 242       void *handle;
 243       memset(&depthstencil, 0, sizeof depthstencil);
 244       handle = ctx->create_depth_stencil_alpha_state(ctx, &depthstencil);
 245       ctx->bind_depth_stencil_alpha_state(ctx, handle);
 246    }
 247
 248    {
 249       struct pipe_rasterizer_state rasterizer;
 250       void *handle;
 251       memset(&rasterizer, 0, sizeof rasterizer);
 252       rasterizer.cull_face = PIPE_FACE_NONE;
 253       rasterizer.gl_rasterization_rules = 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 }