mirror of
https://github.com/brl/mutter.git
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b5a7657076
This makes a start on porting the Cogl conformance tests that currently still live in the Clutter repository to be standalone Cogl tests that no longer require a ClutterStage. The main thing is that this commit brings in is the basic testing infrastructure we need, so now we can port more and more tests incrementally. Since the test suite wants a way to synchronize X requests/replies and we can't simply call XSynchronize in the test-utils code before we know if we are really running on X this adds a check for an environment variable named "COGL_X11_SYNC" in cogl-xlib-renderer.c and if it's set it forces XSynchronize (dpy, TRUE) to be called. By default the conformance tests are run off screen. This makes the tests run much faster and they also don't interfere with other work you may want to do by constantly stealing focus. CoglOnscreen framebuffers obviously don't get tested this way so it's important that the tests also get run on screen every once in a while, especially if changes are being made to CoglFramebuffer related code. On screen testing can be enabled by setting COGL_TEST_ONSCREEN=1 in your environment.
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 (TestUtilsGTestFixture *fixture,
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void *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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unsigned int 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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