graw: add gs-test.c and some simple geometry shader examples

1 files changed, 0 insertions, 506 deletions

diff --git a/src/gallium/tests/graw/vp-test.c b/src/gallium/tests/graw/vp-test.c
deleted file mode 100644
index e68f9f439b..0000000000
--- a/src/gallium/tests/graw/vp-test.c
+++ /dev/null
@@ -1,506 +0,0 @@
-/* Display a cleared blue window.  This demo has no dependencies on
- * any utility code, just the graw interface and gallium.
- */
-
-#include "state_tracker/graw.h"
-#include "pipe/p_screen.h"
-#include "pipe/p_context.h"
-#include "pipe/p_shader_tokens.h"
-#include "pipe/p_state.h"
-#include "pipe/p_defines.h"
-
-#include <stdio.h>              /* for fread(), etc */
-
-#include "util/u_debug.h"       /* debug_dump_surface_bmp() */
-#include "util/u_inlines.h"
-#include "util/u_memory.h"      /* Offset() */
-#include "util/u_box.h"    
-
-static const char *filename = NULL;
-unsigned show_fps = 0;
-
-
-static void usage(char *name)
-{
-   fprintf(stderr, "usage: %s [ options ] shader_filename\n", name);
-#ifndef WIN32
-   fprintf(stderr, "\n" );
-   fprintf(stderr, "options:\n");
-   fprintf(stderr, "    -fps  show frames per second\n");
-#endif
-}
-
-
-enum pipe_format formats[] = {
-   PIPE_FORMAT_R8G8B8A8_UNORM,
-   PIPE_FORMAT_B8G8R8A8_UNORM,
-   PIPE_FORMAT_NONE
-};
-
-static const int WIDTH = 250;
-static const int HEIGHT = 250;
-
-static struct pipe_screen *screen = NULL;
-static struct pipe_context *ctx = NULL;
-static struct pipe_resource *rttex = NULL;
-static struct pipe_resource *constbuf = NULL;
-static struct pipe_surface *surf = NULL;
-static struct pipe_sampler_view *sv = NULL;
-static void *sampler = NULL;
-static void *window = NULL;
-static struct pipe_resource *samptex = NULL;
-
-struct vertex {
-   float position[4];
-   float color[3];
-};
-
-/* Draw a regular mesh
- */
-#define MESH_SZ 16
-static struct vertex vertices[MESH_SZ * MESH_SZ];
-
-static float constants[] = 
-{  0.4, 0, 0,  1,
-   1,   1, 1,  1,
-   2,   2, 2,  2,
-   4,   8, 16, 32,
-
-   3,  0, 0, 0,
-   0, .5, 0, 0,
-   0,  0, 1, 0,
-   0,  0, 0, 1,
-
-   1, 0, 0, 0.5,
-   0, 1, 0, 0.5,
-   0, 0, 1, 0,
-   0, 0, 0, 1,
-};
-
-static void init_fs_constbuf( void )
-{
-   struct pipe_resource templat;
-   struct pipe_box box;
-
-   templat.target = PIPE_BUFFER;
-   templat.format = PIPE_FORMAT_R8_UNORM;
-   templat.width0 = sizeof(constants);
-   templat.height0 = 1;
-   templat.depth0 = 1;
-   templat.last_level = 0;
-   templat.nr_samples = 1;
-   templat.bind = PIPE_BIND_CONSTANT_BUFFER;
-
-   constbuf = screen->resource_create(screen,
-                                      &templat);
-   if (constbuf == NULL)
-      exit(4);
-
-
-   u_box_2d(0,0,sizeof(constants),1, &box);
-
-   ctx->transfer_inline_write(ctx,
-                              constbuf,
-                              u_subresource(0,0),
-                              PIPE_TRANSFER_WRITE,
-                              &box,
-                              constants,
-                              sizeof constants,
-                              sizeof constants);
-
-
-   ctx->set_constant_buffer(ctx,
-                            PIPE_SHADER_FRAGMENT, 0,
-                            constbuf);
-}
-
-
-static void set_viewport( float x, float y,
-                          float width, float height,
-                          float near, float far)
-{
-   float z = far;
-   float half_width = (float)width / 2.0f;
-   float half_height = (float)height / 2.0f;
-   float half_depth = ((float)far - (float)near) / 2.0f;
-   struct pipe_viewport_state vp;
-
-   vp.scale[0] = half_width;
-   vp.scale[1] = half_height;
-   vp.scale[2] = half_depth;
-   vp.scale[3] = 1.0f;
-
-   vp.translate[0] = half_width + x;
-   vp.translate[1] = half_height + y;
-   vp.translate[2] = half_depth + z;
-   vp.translate[3] = 0.0f;
-
-   ctx->set_viewport_state( ctx, &vp );
-}
-
-static void set_vertices( void )
-{
-   struct pipe_vertex_element ve[2];
-   struct pipe_vertex_buffer vbuf;
-   void *handle;
-   int x,y;
-
-   memset(ve, 0, sizeof ve);
-
-   ve[0].src_offset = Offset(struct vertex, position);
-   ve[0].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
-   ve[1].src_offset = Offset(struct vertex, color);
-   ve[1].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
-
-   handle = ctx->create_vertex_elements_state(ctx, 2, ve);
-   ctx->bind_vertex_elements_state(ctx, handle);
-
-   for (x = 0; x < MESH_SZ; x++) {
-      for (y = 0; y < MESH_SZ; y++) {
-         int i = y * MESH_SZ + x;
-         vertices[i].position[0] = ((float)x)/MESH_SZ * 2.0 - 1.0;
-         vertices[i].position[1] = ((float)y)/MESH_SZ * 2.0 - 1.0;
-         vertices[i].position[2] = 0;
-         vertices[i].position[3] = 1.0;
-
-         vertices[i].color[0] = .5;
-         vertices[i].color[1] = (float)x / (float)MESH_SZ;
-         vertices[i].color[2] = (float)y / (float)MESH_SZ;
-      }
-   }
-
-   vbuf.stride = sizeof( struct vertex );
-   vbuf.max_index = sizeof(vertices) / vbuf.stride;
-   vbuf.buffer_offset = 0;
-   vbuf.buffer = screen->user_buffer_create(screen,
-                                            vertices,
-                                            sizeof(vertices),
-                                            PIPE_BIND_VERTEX_BUFFER);
-
-   ctx->set_vertex_buffers(ctx, 1, &vbuf);
-}
-
-static void set_vertex_shader( void )
-{
-   FILE *f;
-   char buf[50000];
-   void *handle;
-   int sz;
-
-   if ((f = fopen(filename, "r")) == NULL) {
-      fprintf(stderr, "Couldn't open %s\n", filename);
-      exit(1);
-   }
-
-   sz = fread(buf, 1, sizeof(buf), f);
-   if (!feof(f)) {
-      printf("file too long\n");
-      exit(1);
-   }
-   printf("%.*s\n", sz, buf);
-   buf[sz] = 0;
-
-   handle = graw_parse_vertex_shader(ctx, buf);
-   ctx->bind_vs_state(ctx, handle);
-}
-
-static void set_fragment_shader( void )
-{
-   void *handle;
-   const char *text =
-      "FRAG\n"
-      "DCL IN[0], COLOR, LINEAR\n"
-      "DCL OUT[0], COLOR\n"
-      "  0: MOV OUT[0], IN[0]\n"
-      "  1: END\n";
-
-   handle = graw_parse_fragment_shader(ctx, text);
-   ctx->bind_fs_state(ctx, handle);
-}
-
-
-
-static void draw( void )
-{
-   float clear_color[4] = {.1,.3,.5,0};
-
-   ctx->clear(ctx, PIPE_CLEAR_COLOR, clear_color, 0, 0);
-   ctx->draw_arrays(ctx, PIPE_PRIM_POINTS, 0, Elements(vertices));
-   ctx->flush(ctx, PIPE_FLUSH_RENDER_CACHE, NULL);
-
-#if 0
-   /* At the moment, libgraw leaks out/makes available some of the
-    * symbols from gallium/auxiliary, including these debug helpers.
-    * Will eventually want to bless some of these paths, and lock the
-    * others down so they aren't accessible from test programs.
-    *
-    * This currently just happens to work on debug builds - a release
-    * build will probably fail to link here:
-    */
-   debug_dump_surface_bmp(ctx, "result.bmp", surf);
-#endif
-
-   screen->flush_frontbuffer(screen, surf, window);
-}
-
-#define SIZE 16
-
-static void init_tex( void )
-{ 
-   struct pipe_sampler_view sv_template;
-   struct pipe_sampler_state sampler_desc;
-   struct pipe_resource templat;
-   struct pipe_box box;
-   ubyte tex2d[SIZE][SIZE][4];
-   int s, t;
-
-#if (SIZE != 2)
-   for (s = 0; s < SIZE; s++) {
-      for (t = 0; t < SIZE; t++) {
-         if (0) {
-            int x = (s ^ t) & 1;
-	    tex2d[t][s][0] = (x) ? 0 : 63;
-	    tex2d[t][s][1] = (x) ? 0 : 128;
-	    tex2d[t][s][2] = 0;
-	    tex2d[t][s][3] = 0xff;
-         }
-         else {
-            int x = ((s ^ t) >> 2) & 1;
-	    tex2d[t][s][0] = s*255/(SIZE-1);
-	    tex2d[t][s][1] = t*255/(SIZE-1);
-	    tex2d[t][s][2] = (x) ? 0 : 128;
-	    tex2d[t][s][3] = 0xff;
-         }
-      }
-   }
-#else
-   tex2d[0][0][0] = 0;
-   tex2d[0][0][1] = 255;
-   tex2d[0][0][2] = 255;
-   tex2d[0][0][3] = 0;
-
-   tex2d[0][1][0] = 0;
-   tex2d[0][1][1] = 0;
-   tex2d[0][1][2] = 255;
-   tex2d[0][1][3] = 255;
-
-   tex2d[1][0][0] = 255;
-   tex2d[1][0][1] = 255;
-   tex2d[1][0][2] = 0;
-   tex2d[1][0][3] = 255;
-
-   tex2d[1][1][0] = 255;
-   tex2d[1][1][1] = 0;
-   tex2d[1][1][2] = 0;
-   tex2d[1][1][3] = 255;
-#endif
-
-   templat.target = PIPE_TEXTURE_2D;
-   templat.format = PIPE_FORMAT_B8G8R8A8_UNORM;
-   templat.width0 = SIZE;
-   templat.height0 = SIZE;
-   templat.depth0 = 1;
-   templat.last_level = 0;
-   templat.nr_samples = 1;
-   templat.bind = PIPE_BIND_SAMPLER_VIEW;
-
-   
-   samptex = screen->resource_create(screen,
-                                 &templat);
-   if (samptex == NULL)
-      exit(4);
-
-   u_box_2d(0,0,SIZE,SIZE, &box);
-
-   ctx->transfer_inline_write(ctx,
-                              samptex,
-                              u_subresource(0,0),
-                              PIPE_TRANSFER_WRITE,
-                              &box,
-                              tex2d,
-                              sizeof tex2d[0],
-                              sizeof tex2d);
-
-   /* Possibly read back & compare against original data:
-    */
-   if (0)
-   {
-      struct pipe_transfer *t;
-      uint32_t *ptr;
-      t = pipe_get_transfer(ctx, samptex,
-                            0, 0, 0, /* face, level, zslice */
-                            PIPE_TRANSFER_READ,
-                            0, 0, SIZE, SIZE); /* x, y, width, height */
-
-      ptr = ctx->transfer_map(ctx, t);
-
-      if (memcmp(ptr, tex2d, sizeof tex2d) != 0) {
-         assert(0);
-         exit(9);
-      }
-
-      ctx->transfer_unmap(ctx, t);
-
-      ctx->transfer_destroy(ctx, t);
-   }
-
-   memset(&sv_template, 0, sizeof sv_template);
-   sv_template.format = samptex->format;
-   sv_template.texture = samptex;
-   sv_template.first_level = 0;
-   sv_template.last_level = 0;
-   sv_template.swizzle_r = 0;
-   sv_template.swizzle_g = 1;
-   sv_template.swizzle_b = 2;
-   sv_template.swizzle_a = 3;
-   sv = ctx->create_sampler_view(ctx, samptex, &sv_template);
-   if (sv == NULL)
-      exit(5);
-
-   ctx->set_fragment_sampler_views(ctx, 1, &sv);
-   
-
-   memset(&sampler_desc, 0, sizeof sampler_desc);
-   sampler_desc.wrap_s = PIPE_TEX_WRAP_REPEAT;
-   sampler_desc.wrap_t = PIPE_TEX_WRAP_REPEAT;
-   sampler_desc.wrap_r = PIPE_TEX_WRAP_REPEAT;
-   sampler_desc.min_img_filter = PIPE_TEX_FILTER_NEAREST;
-   sampler_desc.min_mip_filter = PIPE_TEX_MIPFILTER_NONE;
-   sampler_desc.mag_img_filter = PIPE_TEX_FILTER_NEAREST;
-   sampler_desc.compare_mode = PIPE_TEX_COMPARE_NONE;
-   sampler_desc.compare_func = 0;
-   sampler_desc.normalized_coords = 1;
-   sampler_desc.max_anisotropy = 0;
-   
-   sampler = ctx->create_sampler_state(ctx, &sampler_desc);
-   if (sampler == NULL)
-      exit(6);
-
-   ctx->bind_fragment_sampler_states(ctx, 1, &sampler);
-   
-}
-
-static void init( void )
-{
-   struct pipe_framebuffer_state fb;
-   struct pipe_resource templat;
-   int i;
-
-   /* It's hard to say whether window or screen should be created
-    * first.  Different environments would prefer one or the other.
-    *
-    * Also, no easy way of querying supported formats if the screen
-    * cannot be created first.
-    */
-   for (i = 0; 
-        window == NULL && formats[i] != PIPE_FORMAT_NONE;
-        i++) {
-      
-      screen = graw_create_window_and_screen(0,0,WIDTH,HEIGHT,
-                                             formats[i],
-                                             &window);
-   }
-   
-   ctx = screen->context_create(screen, NULL);
-   if (ctx == NULL)
-      exit(3);
-
-   templat.target = PIPE_TEXTURE_2D;
-   templat.format = formats[i];
-   templat.width0 = WIDTH;
-   templat.height0 = HEIGHT;
-   templat.depth0 = 1;
-   templat.last_level = 0;
-   templat.nr_samples = 1;
-   templat.bind = (PIPE_BIND_RENDER_TARGET |
-                   PIPE_BIND_DISPLAY_TARGET);
-   
-   rttex = screen->resource_create(screen,
-                                 &templat);
-   if (rttex == NULL)
-      exit(4);
-
-   surf = screen->get_tex_surface(screen, rttex, 0, 0, 0,
-                                  PIPE_BIND_RENDER_TARGET |
-                                  PIPE_BIND_DISPLAY_TARGET);
-   if (surf == NULL)
-      exit(5);
-
-   memset(&fb, 0, sizeof fb);
-   fb.nr_cbufs = 1;
-   fb.width = WIDTH;
-   fb.height = HEIGHT;
-   fb.cbufs[0] = surf;
-
-   ctx->set_framebuffer_state(ctx, &fb);
-   
-   {
-      struct pipe_blend_state blend;
-      void *handle;
-      memset(&blend, 0, sizeof blend);
-      blend.rt[0].colormask = PIPE_MASK_RGBA;
-      handle = ctx->create_blend_state(ctx, &blend);
-      ctx->bind_blend_state(ctx, handle);
-   }
-
-   {
-      struct pipe_depth_stencil_alpha_state depthstencil;
-      void *handle;
-      memset(&depthstencil, 0, sizeof depthstencil);
-      handle = ctx->create_depth_stencil_alpha_state(ctx, &depthstencil);
-      ctx->bind_depth_stencil_alpha_state(ctx, handle);
-   }
-
-   {
-      struct pipe_rasterizer_state rasterizer;
-      void *handle;
-      memset(&rasterizer, 0, sizeof rasterizer);
-      rasterizer.cull_face = PIPE_FACE_NONE;
-      rasterizer.point_size = 8.0;
-      rasterizer.gl_rasterization_rules = 1;
-      handle = ctx->create_rasterizer_state(ctx, &rasterizer);
-      ctx->bind_rasterizer_state(ctx, handle);
-   }
-
-   set_viewport(0, 0, WIDTH, HEIGHT, 30, 1000);
-
-   init_tex();
-   init_fs_constbuf();
-
-   set_vertices();
-   set_vertex_shader();
-   set_fragment_shader();
-}
-
-static void args(int argc, char *argv[])
-{
-   int i;
-
-   for (i = 1; i < argc; i++) {
-      if (strcmp(argv[i], "-fps") == 0) {
-         show_fps = 1;
-      }
-      else if (i == argc - 1) {
-	 filename = argv[i];
-      }
-      else {
-	 usage(argv[0]);
-	 exit(1);
-      }
-   }
-
-   if (!filename) {
-      usage(argv[0]);
-      exit(1);
-   }
-}
-
-int main( int argc, char *argv[] )
-{
-   args(argc,argv);
-   init();
-
-   graw_set_display_func( draw );
-   graw_main_loop();
-   return 0;
-}