gallium: add pipe cap for scissored clears and pass scissor state to clear() hook
[mesa.git] / src / gallium / tests / graw / quad-tex.c
index 35eade939e6bf869ac0b242c45259713882035cd..40caad4ae90c485c36d96afb9aea329804976d53 100644 (file)
@@ -2,35 +2,17 @@
  * 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 "util/u_inlines.h"
-#include "util/u_memory.h"      /* Offset() */
-#include "util/u_draw_quad.h"
-#include "util/u_box.h"    
-
-enum pipe_format formats[] = {
-   PIPE_FORMAT_R8G8B8A8_UNORM,
-   PIPE_FORMAT_B8G8R8A8_UNORM,
-   PIPE_FORMAT_NONE
-};
+#include "graw_util.h"
 
 static const int WIDTH = 300;
 static const int HEIGHT = 300;
 
-static struct pipe_screen *screen = NULL;
-static struct pipe_context *ctx = NULL;
-static struct pipe_resource *rttex = NULL;
-static struct pipe_resource *samptex = NULL;
-static struct pipe_surface *surf = NULL;
+static struct graw_info info;
+
+
+static struct pipe_resource *texture = NULL;
 static struct pipe_sampler_view *sv = NULL;
 static void *sampler = NULL;
-static void *window = NULL;
 
 struct vertex {
    float position[4];
@@ -55,29 +37,6 @@ static struct vertex vertices[] =
 
 
 
-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];
@@ -91,19 +50,20 @@ static void set_vertices( void )
    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);
+   handle = info.ctx->create_vertex_elements_state(info.ctx, 2, ve);
+   info.ctx->bind_vertex_elements_state(info.ctx, handle);
 
+   memset(&vbuf, 0, sizeof vbuf);
 
    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);
+   vbuf.buffer.resource = pipe_buffer_create_with_data(info.ctx,
+                                              PIPE_BIND_VERTEX_BUFFER,
+                                              PIPE_USAGE_DEFAULT,
+                                              sizeof(vertices),
+                                              vertices);
 
-   ctx->set_vertex_buffers(ctx, 1, &vbuf);
+   info.ctx->set_vertex_buffers(info.ctx, 0, 1, &vbuf);
 }
 
 static void set_vertex_shader( void )
@@ -119,8 +79,8 @@ static void set_vertex_shader( void )
       "  1: MOV OUT[0], IN[0]\n"
       "  2: END\n";
 
-   handle = graw_parse_vertex_shader(ctx, text);
-   ctx->bind_vs_state(ctx, handle);
+   handle = graw_parse_vertex_shader(info.ctx, text);
+   info.ctx->bind_vs_state(info.ctx, handle);
 }
 
 static void set_fragment_shader( void )
@@ -132,36 +92,34 @@ static void set_fragment_shader( void )
       "DCL OUT[0], COLOR\n"
       "DCL TEMP[0]\n"
       "DCL SAMP[0]\n"
+      "DCL SVIEW[0], 2D, FLOAT\n"
       "  0: TXP TEMP[0], IN[0], SAMP[0], 2D\n"
       "  1: MOV OUT[0], TEMP[0]\n"
       "  2: END\n";
 
-   handle = graw_parse_fragment_shader(ctx, text);
-   ctx->bind_fs_state(ctx, handle);
+   handle = graw_parse_fragment_shader(info.ctx, text);
+   info.ctx->bind_fs_state(info.ctx, handle);
 }
 
 
 static void draw( void )
 {
-   float clear_color[4] = {.5,.5,.5,1};
+   union pipe_color_union clear_color = { {.5,.5,.5,1} };
 
-   ctx->clear(ctx, PIPE_CLEAR_COLOR, clear_color, 0, 0);
-   util_draw_arrays(ctx, PIPE_PRIM_QUADS, 0, 4);
-   ctx->flush(ctx, PIPE_FLUSH_RENDER_CACHE, NULL);
+   info.ctx->clear(info.ctx, PIPE_CLEAR_COLOR, NULL, &clear_color, 0, 0);
+   util_draw_arrays(info.ctx, PIPE_PRIM_QUADS, 0, 4);
+   info.ctx->flush(info.ctx, NULL, 0);
 
-   graw_save_surface_to_file(ctx, surf, NULL);
+   graw_save_surface_to_file(info.ctx, info.color_surf[0], NULL);
 
-   screen->flush_frontbuffer(screen, surf, window);
+   graw_util_flush_front(&info);
 }
 
+
 #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;
 
@@ -206,173 +164,41 @@ static void init_tex( void )
    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);
+   texture = graw_util_create_tex2d(&info, SIZE, SIZE, 
+                                    PIPE_FORMAT_B8G8R8A8_UNORM, tex2d);
 
-      ctx->transfer_destroy(ctx, t);
-   }
+   sv = graw_util_create_simple_sampler_view(&info, texture);
+   info.ctx->set_sampler_views(info.ctx, PIPE_SHADER_FRAGMENT, 0, 1, &sv);
 
-   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);
-   
+   sampler = graw_util_create_simple_sampler(&info, 
+                                             PIPE_TEX_WRAP_REPEAT,
+                                             PIPE_TEX_FILTER_NEAREST);
+   info.ctx->bind_sampler_states(info.ctx, PIPE_SHADER_FRAGMENT,
+                                 0, 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(0,0,300,300,
-                                             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);
-   }
+   if (!graw_util_create_window(&info, WIDTH, HEIGHT, 1, FALSE))
+      exit(1);
 
-   {
-      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);
-   }
+   graw_util_default_state(&info, FALSE);
 
    {
       struct pipe_rasterizer_state rasterizer;
       void *handle;
       memset(&rasterizer, 0, sizeof rasterizer);
       rasterizer.cull_face = PIPE_FACE_NONE;
-      rasterizer.gl_rasterization_rules = 1;
-      handle = ctx->create_rasterizer_state(ctx, &rasterizer);
-      ctx->bind_rasterizer_state(ctx, handle);
+      rasterizer.half_pixel_center = 1;
+      rasterizer.bottom_edge_rule = 1;
+      rasterizer.depth_clip_near = 1;
+      rasterizer.depth_clip_far = 1;
+      handle = info.ctx->create_rasterizer_state(info.ctx, &rasterizer);
+      info.ctx->bind_rasterizer_state(info.ctx, handle);
    }
 
-   set_viewport(0, 0, WIDTH, HEIGHT, 30, 1000);
+   graw_util_viewport(&info, 0, 0, WIDTH, HEIGHT, 30, 1000);
 
    init_tex();
 
@@ -381,6 +207,7 @@ static void init( void )
    set_fragment_shader();
 }
 
+
 static void args(int argc, char *argv[])
 {
    int i;