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4ca1e491da
This greatly speeds up running all the conformance tests by no longer delaying many of the tests for a number of dummy frames to be painted. We used to skip frames because we thought there was a problem with the driver's glReadPixels implementation. Although we have seen driver issues at times the real reason the delay was needed was because resizing the stage usually happens asynchronously (because a non synchronous X request is used by clutter_stage_set_size()). We now force all X requests to be synchronized for the conformance tests so this is no longer a problem and we can avoid these hacks.
368 lines
13 KiB
C
368 lines
13 KiB
C
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#include <clutter/clutter.h>
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#include <cogl/cogl.h>
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#include <string.h>
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#include "test-conform-common.h"
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static const ClutterColor stage_color = { 0x0, 0x0, 0x0, 0xff };
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#define QUAD_WIDTH 20
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#define RED 0
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#define GREEN 1
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#define BLUE 2
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#define ALPHA 3
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#define MASK_RED(COLOR) ((COLOR & 0xff000000) >> 24);
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#define MASK_GREEN(COLOR) ((COLOR & 0xff0000) >> 16);
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#define MASK_BLUE(COLOR) ((COLOR & 0xff00) >> 8);
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#define MASK_ALPHA(COLOR) (COLOR & 0xff);
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typedef struct _TestState
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{
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ClutterGeometry stage_geom;
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CoglHandle passthrough_material;
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} TestState;
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static void
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check_pixel (GLubyte *pixel, guint32 color)
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{
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guint8 r = MASK_RED (color);
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guint8 g = MASK_GREEN (color);
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guint8 b = MASK_BLUE (color);
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guint8 a = MASK_ALPHA (color);
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if (g_test_verbose ())
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g_print (" expected = %x, %x, %x, %x\n",
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r, g, b, a);
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/* FIXME - allow for hardware in-precision */
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g_assert (pixel[RED] == r);
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g_assert (pixel[GREEN] == g);
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g_assert (pixel[BLUE] == b);
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/* FIXME
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* We ignore the alpha, since we don't know if our render target is
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* RGB or RGBA */
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/* g_assert (pixel[ALPHA] == a); */
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}
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static guchar *
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gen_tex_data (guint32 color)
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{
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guchar *tex_data, *p;
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guint8 r = MASK_RED (color);
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guint8 g = MASK_GREEN (color);
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guint8 b = MASK_BLUE (color);
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guint8 a = MASK_ALPHA (color);
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tex_data = g_malloc (QUAD_WIDTH * QUAD_WIDTH * 4);
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for (p = tex_data + QUAD_WIDTH * QUAD_WIDTH * 4; p > tex_data;)
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{
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*(--p) = a;
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*(--p) = b;
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*(--p) = g;
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*(--p) = r;
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}
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return tex_data;
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}
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static CoglHandle
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make_texture (guint32 color,
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CoglPixelFormat src_format,
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CoglPixelFormat internal_format)
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{
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CoglHandle tex;
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guchar *tex_data = gen_tex_data (color);
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tex = cogl_texture_new_from_data (QUAD_WIDTH,
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QUAD_WIDTH,
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COGL_TEXTURE_NONE,
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src_format,
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internal_format,
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QUAD_WIDTH * 4,
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tex_data);
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g_free (tex_data);
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return tex;
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}
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static void
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check_texture (TestState *state,
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int x,
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int y,
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CoglHandle tex,
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guint32 expected_result)
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{
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guchar pixel[4];
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int y_off;
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int x_off;
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cogl_material_set_layer (state->passthrough_material, 0, tex);
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cogl_set_source (state->passthrough_material);
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cogl_rectangle (x * QUAD_WIDTH,
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y * QUAD_WIDTH,
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x * QUAD_WIDTH + QUAD_WIDTH,
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y * QUAD_WIDTH + QUAD_WIDTH);
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/* See what we got... */
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y_off = y * QUAD_WIDTH + (QUAD_WIDTH / 2);
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x_off = x * QUAD_WIDTH + (QUAD_WIDTH / 2);
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cogl_read_pixels (x_off, y_off, 1, 1,
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COGL_READ_PIXELS_COLOR_BUFFER,
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COGL_PIXEL_FORMAT_RGBA_8888_PRE,
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pixel);
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if (g_test_verbose ())
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{
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g_print ("check texture (%d, %d):\n", x, y);
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g_print (" result = %02x, %02x, %02x, %02x\n",
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pixel[RED], pixel[GREEN], pixel[BLUE], pixel[ALPHA]);
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}
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check_pixel (pixel, expected_result);
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}
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static void
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on_paint (ClutterActor *actor, TestState *state)
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{
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CoglHandle tex;
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guchar *tex_data;
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/* If the user explicitly specifies an unmultiplied internal format then
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* Cogl shouldn't automatically premultiply the given texture data... */
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if (g_test_verbose ())
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g_print ("make_texture (0xff00ff80, "
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"src = RGBA_8888, internal = RGBA_8888)\n");
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tex = make_texture (0xff00ff80,
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COGL_PIXEL_FORMAT_RGBA_8888, /* src format */
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COGL_PIXEL_FORMAT_RGBA_8888); /* internal format */
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check_texture (state, 0, 0, /* position */
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tex,
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0xff00ff80); /* expected */
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/* If the user explicitly requests a premultiplied internal format and
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* gives unmultiplied src data then Cogl should always premultiply that
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* for us */
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if (g_test_verbose ())
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g_print ("make_texture (0xff00ff80, "
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"src = RGBA_8888, internal = RGBA_8888_PRE)\n");
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tex = make_texture (0xff00ff80,
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COGL_PIXEL_FORMAT_RGBA_8888, /* src format */
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COGL_PIXEL_FORMAT_RGBA_8888_PRE); /* internal format */
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check_texture (state, 1, 0, /* position */
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tex,
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0x80008080); /* expected */
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/* If the user gives COGL_PIXEL_FORMAT_ANY for the internal format then
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* by default Cogl should premultiply the given texture data...
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* (In the future there will be additional Cogl API to control this
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* behaviour) */
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if (g_test_verbose ())
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g_print ("make_texture (0xff00ff80, "
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"src = RGBA_8888, internal = ANY)\n");
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tex = make_texture (0xff00ff80,
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COGL_PIXEL_FORMAT_RGBA_8888, /* src format */
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COGL_PIXEL_FORMAT_ANY); /* internal format */
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check_texture (state, 2, 0, /* position */
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tex,
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0x80008080); /* expected */
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/* If the user requests a premultiplied internal texture format and supplies
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* premultiplied source data, Cogl should never modify that source data...
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*/
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if (g_test_verbose ())
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g_print ("make_texture (0x80008080, "
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"src = RGBA_8888_PRE, "
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"internal = RGBA_8888_PRE)\n");
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tex = make_texture (0x80008080,
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COGL_PIXEL_FORMAT_RGBA_8888_PRE, /* src format */
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COGL_PIXEL_FORMAT_RGBA_8888_PRE); /* internal format */
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check_texture (state, 3, 0, /* position */
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tex,
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0x80008080); /* expected */
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/* If the user requests an unmultiplied internal texture format, but
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* supplies premultiplied source data, then Cogl should always
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* un-premultiply the source data... */
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if (g_test_verbose ())
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g_print ("make_texture (0x80008080, "
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"src = RGBA_8888_PRE, internal = RGBA_8888)\n");
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tex = make_texture (0x80008080,
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COGL_PIXEL_FORMAT_RGBA_8888_PRE, /* src format */
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COGL_PIXEL_FORMAT_RGBA_8888); /* internal format */
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check_texture (state, 4, 0, /* position */
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tex,
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0xff00ff80); /* expected */
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/* If the user allows any internal texture format and provides premultipled
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* source data then by default Cogl shouldn't modify the source data...
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* (In the future there will be additional Cogl API to control this
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* behaviour) */
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if (g_test_verbose ())
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g_print ("make_texture (0x80008080, "
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"src = RGBA_8888_PRE, internal = ANY)\n");
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tex = make_texture (0x80008080,
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COGL_PIXEL_FORMAT_RGBA_8888_PRE, /* src format */
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COGL_PIXEL_FORMAT_ANY); /* internal format */
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check_texture (state, 5, 0, /* position */
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tex,
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0x80008080); /* expected */
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/*
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* Test cogl_texture_set_region() ....
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*/
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if (g_test_verbose ())
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g_print ("make_texture (0xDEADBEEF, "
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"src = RGBA_8888, internal = RGBA_8888)\n");
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tex = make_texture (0xDEADBEEF,
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COGL_PIXEL_FORMAT_RGBA_8888, /* src format */
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COGL_PIXEL_FORMAT_RGBA_8888); /* internal format */
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if (g_test_verbose ())
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g_print ("set_region (0xff00ff80, RGBA_8888)\n");
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tex_data = gen_tex_data (0xff00ff80);
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cogl_texture_set_region (tex,
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0, 0, /* src x, y */
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0, 0, /* dst x, y */
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QUAD_WIDTH, QUAD_WIDTH, /* dst width, height */
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QUAD_WIDTH, QUAD_WIDTH, /* src width, height */
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COGL_PIXEL_FORMAT_RGBA_8888,
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0, /* auto compute row stride */
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tex_data);
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check_texture (state, 6, 0, /* position */
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tex,
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0xff00ff80); /* expected */
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/* Updating a texture region for an unmultiplied texture using premultiplied
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* region data should result in Cogl unmultiplying the given region data...
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*/
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if (g_test_verbose ())
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g_print ("make_texture (0xDEADBEEF, "
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"src = RGBA_8888, internal = RGBA_8888)\n");
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tex = make_texture (0xDEADBEEF,
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COGL_PIXEL_FORMAT_RGBA_8888, /* src format */
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COGL_PIXEL_FORMAT_RGBA_8888); /* internal format */
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if (g_test_verbose ())
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g_print ("set_region (0x80008080, RGBA_8888_PRE)\n");
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tex_data = gen_tex_data (0x80008080);
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cogl_texture_set_region (tex,
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0, 0, /* src x, y */
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0, 0, /* dst x, y */
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QUAD_WIDTH, QUAD_WIDTH, /* dst width, height */
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QUAD_WIDTH, QUAD_WIDTH, /* src width, height */
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COGL_PIXEL_FORMAT_RGBA_8888_PRE,
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0, /* auto compute row stride */
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tex_data);
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check_texture (state, 7, 0, /* position */
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tex,
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0xff00ff80); /* expected */
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if (g_test_verbose ())
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g_print ("make_texture (0xDEADBEEF, "
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"src = RGBA_8888_PRE, "
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"internal = RGBA_8888_PRE)\n");
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tex = make_texture (0xDEADBEEF,
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COGL_PIXEL_FORMAT_RGBA_8888_PRE, /* src format */
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COGL_PIXEL_FORMAT_RGBA_8888_PRE); /* internal format */
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if (g_test_verbose ())
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g_print ("set_region (0x80008080, RGBA_8888_PRE)\n");
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tex_data = gen_tex_data (0x80008080);
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cogl_texture_set_region (tex,
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0, 0, /* src x, y */
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0, 0, /* dst x, y */
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QUAD_WIDTH, QUAD_WIDTH, /* dst width, height */
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QUAD_WIDTH, QUAD_WIDTH, /* src width, height */
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COGL_PIXEL_FORMAT_RGBA_8888_PRE,
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0, /* auto compute row stride */
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tex_data);
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check_texture (state, 8, 0, /* position */
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tex,
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0x80008080); /* expected */
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/* Updating a texture region for a premultiplied texture using unmultiplied
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* region data should result in Cogl premultiplying the given region data...
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*/
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if (g_test_verbose ())
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g_print ("make_texture (0xDEADBEEF, "
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"src = RGBA_8888_PRE, "
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"internal = RGBA_8888_PRE)\n");
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tex = make_texture (0xDEADBEEF,
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COGL_PIXEL_FORMAT_RGBA_8888_PRE, /* src format */
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COGL_PIXEL_FORMAT_RGBA_8888_PRE); /* internal format */
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if (g_test_verbose ())
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g_print ("set_region (0xff00ff80, RGBA_8888)\n");
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tex_data = gen_tex_data (0xff00ff80);
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cogl_texture_set_region (tex,
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0, 0, /* src x, y */
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0, 0, /* dst x, y */
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QUAD_WIDTH, QUAD_WIDTH, /* dst width, height */
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QUAD_WIDTH, QUAD_WIDTH, /* src width, height */
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COGL_PIXEL_FORMAT_RGBA_8888,
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0, /* auto compute row stride */
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tex_data);
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check_texture (state, 9, 0, /* position */
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tex,
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0x80008080); /* expected */
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/* Comment this out if you want visual feedback for what this test paints */
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clutter_main_quit ();
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}
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static gboolean
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queue_redraw (gpointer stage)
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{
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clutter_actor_queue_redraw (CLUTTER_ACTOR (stage));
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return TRUE;
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}
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void
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test_cogl_premult (TestConformSimpleFixture *fixture,
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gconstpointer data)
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{
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TestState state;
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ClutterActor *stage;
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ClutterActor *group;
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guint idle_source;
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state.passthrough_material = cogl_material_new ();
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cogl_material_set_blend (state.passthrough_material,
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"RGBA = ADD (SRC_COLOR, 0)", NULL);
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cogl_material_set_layer_combine (state.passthrough_material, 0,
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"RGBA = REPLACE (TEXTURE)", NULL);
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stage = clutter_stage_get_default ();
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clutter_stage_set_color (CLUTTER_STAGE (stage), &stage_color);
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clutter_actor_get_geometry (stage, &state.stage_geom);
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group = clutter_group_new ();
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clutter_container_add_actor (CLUTTER_CONTAINER (stage), group);
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/* We force continuous redrawing incase someone comments out the
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* clutter_main_quit and wants visual feedback for the test since we
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* wont be doing anything else that will trigger redrawing. */
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idle_source = g_idle_add (queue_redraw, stage);
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g_signal_connect (group, "paint", G_CALLBACK (on_paint), &state);
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clutter_actor_show_all (stage);
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clutter_main ();
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g_source_remove (idle_source);
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if (g_test_verbose ())
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g_print ("OK\n");
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}
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