3881fd3259
This adds experimental 2.0 api replacements for the cogl_rectangle[_*]
functions that don't depend on having a current pipeline set on the
context via cogl_{set,push}_source() or having a current framebuffer set
on the context via cogl_push_framebuffer(). The aim for 2.0 is to switch
away from having a statefull context that affects drawing to having
framebuffer drawing apis that are explicitly passed a framebuffer and
pipeline.
To test this change several of the conformance tests were updated to use
this api instead of cogl_rectangle and
cogl_rectangle_with_texture_coords. Since it's quite laborious going
through all of the conformance tests the opportunity was taken to make
other clean ups in the conformance tests to replace other uses of
1.x api with experimental 2.0 api so long as that didn't affect what was
being tested.
275 lines
7.2 KiB
C
275 lines
7.2 KiB
C
#include <cogl/cogl.h>
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#include <string.h>
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#include "test-utils.h"
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#define TILE_SIZE 32.0f
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enum
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{
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TILE_MAP,
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TILE_SET_DATA,
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NB_TILES,
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TILE_SET_REGION,
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};
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typedef struct test_tile
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{
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guint8 color[4];
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gfloat x, y;
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CoglBuffer *buffer;
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CoglTexture *texture;
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} TestTile;
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typedef struct _TestState
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{
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TestTile *tiles;
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int width;
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int height;
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} TestState;
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static CoglTexture *
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create_texture_from_bitmap (CoglBitmap *bitmap)
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{
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CoglTexture *texture;
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texture = cogl_texture_new_from_bitmap (bitmap,
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COGL_TEXTURE_NONE,
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COGL_PIXEL_FORMAT_RGBA_8888);
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g_assert (texture != NULL);
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return texture;
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}
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static void
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create_map_tile (CoglContext *context,
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TestTile *tile)
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{
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CoglBitmap *bitmap;
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CoglBuffer *buffer;
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guchar *map;
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unsigned int i;
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unsigned int stride;
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guint8 *line;
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bitmap = cogl_bitmap_new_with_size (context,
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TILE_SIZE,
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TILE_SIZE,
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COGL_PIXEL_FORMAT_RGBA_8888);
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buffer = COGL_BUFFER (cogl_bitmap_get_buffer (bitmap));
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stride = cogl_bitmap_get_rowstride (bitmap);
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g_assert (cogl_is_pixel_buffer (buffer));
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g_assert (cogl_is_buffer (buffer));
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cogl_buffer_set_update_hint (buffer, COGL_BUFFER_UPDATE_HINT_DYNAMIC);
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g_assert_cmpint (cogl_buffer_get_update_hint (buffer),
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==,
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COGL_BUFFER_UPDATE_HINT_DYNAMIC);
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map = cogl_buffer_map (buffer,
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COGL_BUFFER_ACCESS_WRITE,
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COGL_BUFFER_MAP_HINT_DISCARD);
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g_assert (map);
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line = g_alloca (TILE_SIZE * 4);
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for (i = 0; i < TILE_SIZE * 4; i += 4)
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memcpy (line + i, tile->color, 4);
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for (i = 0; i < TILE_SIZE; i++)
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memcpy (map + stride * i, line, TILE_SIZE * 4);
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cogl_buffer_unmap (buffer);
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tile->buffer = cogl_object_ref (buffer);
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tile->texture = create_texture_from_bitmap (bitmap);
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cogl_object_unref (bitmap);
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}
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#if 0
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static void
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create_set_region_tile (CoglContext *context,
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TestTile *tile)
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{
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CoglBitmap *bitmap;
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CoglBuffer *buffer;
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guint8 bottom_color[4];
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unsigned int rowstride = 0;
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guchar *data;
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unsigned int i;
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bitmap = cogl_bitmap_new_with_size (context,
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TILE_SIZE,
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TILE_SIZE,
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COGL_PIXEL_FORMAT_RGBA_8888);
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buffer = COGL_BUFFER (cogl_bitmap_get_buffer (bitmap));
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rowstride = cogl_bitmap_get_rowstride (bitmap);
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g_assert (cogl_is_pixel_buffer (buffer));
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g_assert (cogl_is_buffer (buffer));
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/* while at it, set/get the hint */
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cogl_buffer_set_update_hint (buffer, COGL_BUFFER_UPDATE_HINT_STATIC);
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g_assert (cogl_buffer_get_update_hint (buffer) ==
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COGL_BUFFER_UPDATE_HINT_STATIC);
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data = g_malloc (TILE_SIZE * TILE_SIZE * 4);
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/* create a buffer with the data we want to copy to the buffer */
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for (i = 0; i < TILE_SIZE * TILE_SIZE * 4; i += 4)
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memcpy (data + i, &tile->color, 4);
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cogl_pixel_array_set_region (buffer,
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data,
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TILE_SIZE, TILE_SIZE,
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TILE_SIZE,
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0, 0);
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memcpy (bottom_color, tile->color, 4);
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for (i = 0; i < TILE_SIZE / 2; i++)
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memcpy (data + i, bottom_color, 4);
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cogl_buffer_set_data (buffer, 0, data, TILE_SIZE * TILE_SIZE * 4 / 2);
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g_free (data);
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tile->buffer = cogl_object_ref (buffer);
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tile->texture = create_texture_from_bitmap (bitmap);
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cogl_object_unref (bitmap);
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}
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#endif
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static void
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create_set_data_tile (CoglContext *context,
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TestTile *tile)
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{
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CoglBitmap *bitmap;
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CoglBuffer *buffer;
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unsigned int rowstride = 0;
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gboolean res;
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guchar *data;
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unsigned int i;
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bitmap = cogl_bitmap_new_with_size (context,
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TILE_SIZE,
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TILE_SIZE,
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COGL_PIXEL_FORMAT_RGBA_8888);
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buffer = COGL_BUFFER (cogl_bitmap_get_buffer (bitmap));
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rowstride = cogl_bitmap_get_rowstride (bitmap);
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g_assert (cogl_is_pixel_buffer (buffer));
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g_assert (cogl_is_buffer (buffer));
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g_assert_cmpint (cogl_buffer_get_size (buffer), ==, rowstride * TILE_SIZE);
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/* create a buffer with the data we want to copy to the buffer */
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data = g_malloc (TILE_SIZE * TILE_SIZE * 4);
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for (i = 0; i < TILE_SIZE * TILE_SIZE * 4; i += 4)
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memcpy (data + i, tile->color, 4);
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/* FIXME: this doesn't consider the rowstride */
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res = cogl_buffer_set_data (buffer, 0, data, TILE_SIZE * TILE_SIZE * 4);
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g_assert (res);
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g_free (data);
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tile->buffer = cogl_object_ref (buffer);
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tile->texture = create_texture_from_bitmap (bitmap);
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cogl_object_unref (bitmap);
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}
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static void
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draw_frame (TestState *state)
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{
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unsigned int i;
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/* Paint the textures */
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for (i = 0; i < NB_TILES; i++)
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{
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CoglPipeline *pipeline = cogl_pipeline_new (ctx);
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cogl_pipeline_set_layer_texture (pipeline, 0, state->tiles[i].texture);
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cogl_framebuffer_draw_rectangle (fb,
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pipeline,
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state->tiles[i].x,
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state->tiles[i].y,
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state->tiles[i].x + TILE_SIZE,
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state->tiles[i].y + TILE_SIZE);
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cogl_object_unref (pipeline);
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}
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}
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static void
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validate_tile (TestState *state,
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TestTile *tile)
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{
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test_utils_check_region (fb,
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tile->x, tile->y,
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TILE_SIZE, TILE_SIZE,
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(tile->color[0] << 24) |
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(tile->color[1] << 16) |
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(tile->color[2] << 8) |
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0xff);
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}
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static void
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validate_result (TestState *state)
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{
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unsigned int i;
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for (i = 0; i < NB_TILES; i++)
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validate_tile (state, &state->tiles[i]);
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}
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void
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test_pixel_buffer (void)
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{
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TestState state;
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int i;
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static TestTile tiles[NB_TILES] =
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{
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/* color x y buffer tex */
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/* MAP */
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{ { 0xff, 0x00, 0x00, 0xff }, 0.0f, 0.0f, NULL, NULL },
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#if 0
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/* SET_REGION */
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{ { 0x7e, 0x7e, 0xff, 0x7e }, 0.0f, TILE_SIZE, NULL, NULL },
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#endif
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/* SET_DATA */
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{ { 0x7e, 0xff, 0x7e, 0xff }, 0.0f, TILE_SIZE, NULL, NULL }
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};
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state.width = cogl_framebuffer_get_width (fb);
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state.height = cogl_framebuffer_get_height (fb);
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cogl_framebuffer_orthographic (fb,
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0, 0,
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state.width,
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state.height,
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-1,
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100);
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create_map_tile (ctx, &tiles[TILE_MAP]);
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#if 0
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create_set_region_tile (shared_state->ctx, &tiles[TILE_SET_REGION]);
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#endif
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create_set_data_tile (ctx, &tiles[TILE_SET_DATA]);
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state.tiles = tiles;
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draw_frame (&state);
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validate_result (&state);
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for (i = 0; i < NB_TILES; i++)
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{
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cogl_object_unref (state.tiles[i].buffer);
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cogl_object_unref (state.tiles[i].texture);
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}
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if (cogl_test_verbose ())
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g_print ("OK\n");
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}
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