mirror of
https://github.com/brl/mutter.git
synced 2024-11-21 23:50:41 -05:00
2a8f0c2801
Use the new API where state (framebuffer, pipeline) is always passed as parameters, instead of using the implicit material and framebuffer stack. https://gitlab.gnome.org/GNOME/mutter/merge_requests/935
377 lines
13 KiB
C
377 lines
13 KiB
C
#include <cogl/cogl.h>
|
|
|
|
#include <string.h>
|
|
|
|
#include "test-declarations.h"
|
|
#include "test-utils.h"
|
|
|
|
#define QUAD_WIDTH 20
|
|
|
|
#define RED 0
|
|
#define GREEN 1
|
|
#define BLUE 2
|
|
#define ALPHA 3
|
|
|
|
#define MASK_RED(COLOR) ((COLOR & 0xff000000) >> 24)
|
|
#define MASK_GREEN(COLOR) ((COLOR & 0xff0000) >> 16)
|
|
#define MASK_BLUE(COLOR) ((COLOR & 0xff00) >> 8)
|
|
#define MASK_ALPHA(COLOR) (COLOR & 0xff)
|
|
|
|
#define BLEND_CONSTANT_UNUSED 0xDEADBEEF
|
|
#define TEX_CONSTANT_UNUSED 0xDEADBEEF
|
|
|
|
typedef struct _TestState
|
|
{
|
|
CoglContext *ctx;
|
|
} TestState;
|
|
|
|
|
|
static void
|
|
test_blend_paint (TestState *state,
|
|
int x,
|
|
int y,
|
|
uint32_t src_color,
|
|
uint32_t dst_color,
|
|
const char *blend_string,
|
|
uint32_t blend_constant,
|
|
uint32_t expected_result)
|
|
{
|
|
/* src color */
|
|
uint8_t Sr = MASK_RED (src_color);
|
|
uint8_t Sg = MASK_GREEN (src_color);
|
|
uint8_t Sb = MASK_BLUE (src_color);
|
|
uint8_t Sa = MASK_ALPHA (src_color);
|
|
/* dest color */
|
|
uint8_t Dr = MASK_RED (dst_color);
|
|
uint8_t Dg = MASK_GREEN (dst_color);
|
|
uint8_t Db = MASK_BLUE (dst_color);
|
|
uint8_t Da = MASK_ALPHA (dst_color);
|
|
/* blend constant - when applicable */
|
|
uint8_t Br = MASK_RED (blend_constant);
|
|
uint8_t Bg = MASK_GREEN (blend_constant);
|
|
uint8_t Bb = MASK_BLUE (blend_constant);
|
|
uint8_t Ba = MASK_ALPHA (blend_constant);
|
|
CoglColor blend_const_color;
|
|
|
|
CoglPipeline *pipeline;
|
|
gboolean status;
|
|
GError *error = NULL;
|
|
int y_off;
|
|
int x_off;
|
|
|
|
/* First write out the destination color without any blending... */
|
|
pipeline = cogl_pipeline_new (test_ctx);
|
|
cogl_pipeline_set_color4ub (pipeline, Dr, Dg, Db, Da);
|
|
cogl_pipeline_set_blend (pipeline, "RGBA = ADD (SRC_COLOR, 0)", NULL);
|
|
cogl_framebuffer_draw_rectangle (test_fb,
|
|
pipeline,
|
|
x * QUAD_WIDTH,
|
|
y * QUAD_WIDTH,
|
|
x * QUAD_WIDTH + QUAD_WIDTH,
|
|
y * QUAD_WIDTH + QUAD_WIDTH);
|
|
cogl_object_unref (pipeline);
|
|
|
|
/*
|
|
* Now blend a rectangle over our well defined destination:
|
|
*/
|
|
|
|
pipeline = cogl_pipeline_new (test_ctx);
|
|
cogl_pipeline_set_color4ub (pipeline, Sr, Sg, Sb, Sa);
|
|
|
|
status = cogl_pipeline_set_blend (pipeline, blend_string, &error);
|
|
if (!status)
|
|
{
|
|
/* It's not strictly a test failure; you need a more capable GPU or
|
|
* driver to test this blend string. */
|
|
if (cogl_test_verbose ())
|
|
{
|
|
g_debug ("Failed to test blend string %s: %s",
|
|
blend_string, error->message);
|
|
g_print ("Skipping\n");
|
|
}
|
|
return;
|
|
}
|
|
|
|
cogl_color_init_from_4ub (&blend_const_color, Br, Bg, Bb, Ba);
|
|
cogl_pipeline_set_blend_constant (pipeline, &blend_const_color);
|
|
|
|
cogl_framebuffer_draw_rectangle (test_fb,
|
|
pipeline,
|
|
x * QUAD_WIDTH,
|
|
y * QUAD_WIDTH,
|
|
x * QUAD_WIDTH + QUAD_WIDTH,
|
|
y * QUAD_WIDTH + QUAD_WIDTH);
|
|
cogl_object_unref (pipeline);
|
|
|
|
/* See what we got... */
|
|
|
|
y_off = y * QUAD_WIDTH + (QUAD_WIDTH / 2);
|
|
x_off = x * QUAD_WIDTH + (QUAD_WIDTH / 2);
|
|
|
|
if (cogl_test_verbose ())
|
|
{
|
|
g_print ("test_blend (%d, %d):\n%s\n", x, y, blend_string);
|
|
g_print (" src color = %02x, %02x, %02x, %02x\n", Sr, Sg, Sb, Sa);
|
|
g_print (" dst color = %02x, %02x, %02x, %02x\n", Dr, Dg, Db, Da);
|
|
if (blend_constant != BLEND_CONSTANT_UNUSED)
|
|
g_print (" blend constant = %02x, %02x, %02x, %02x\n",
|
|
Br, Bg, Bb, Ba);
|
|
else
|
|
g_print (" blend constant = UNUSED\n");
|
|
}
|
|
|
|
test_utils_check_pixel (test_fb, x_off, y_off, expected_result);
|
|
}
|
|
|
|
static CoglTexture *
|
|
make_texture (uint32_t color)
|
|
{
|
|
guchar *tex_data, *p;
|
|
uint8_t r = MASK_RED (color);
|
|
uint8_t g = MASK_GREEN (color);
|
|
uint8_t b = MASK_BLUE (color);
|
|
uint8_t a = MASK_ALPHA (color);
|
|
CoglTexture *tex;
|
|
|
|
tex_data = g_malloc (QUAD_WIDTH * QUAD_WIDTH * 4);
|
|
|
|
for (p = tex_data + QUAD_WIDTH * QUAD_WIDTH * 4; p > tex_data;)
|
|
{
|
|
*(--p) = a;
|
|
*(--p) = b;
|
|
*(--p) = g;
|
|
*(--p) = r;
|
|
}
|
|
|
|
/* Note: we claim that the data is premultiplied so that Cogl won't
|
|
* premultiply the data on upload */
|
|
tex = test_utils_texture_new_from_data (test_ctx,
|
|
QUAD_WIDTH,
|
|
QUAD_WIDTH,
|
|
TEST_UTILS_TEXTURE_NONE,
|
|
COGL_PIXEL_FORMAT_RGBA_8888_PRE,
|
|
QUAD_WIDTH * 4,
|
|
tex_data);
|
|
|
|
g_free (tex_data);
|
|
|
|
return tex;
|
|
}
|
|
|
|
static void
|
|
test_tex_combine (TestState *state,
|
|
int x,
|
|
int y,
|
|
uint32_t tex0_color,
|
|
uint32_t tex1_color,
|
|
uint32_t combine_constant,
|
|
const char *combine_string,
|
|
uint32_t expected_result)
|
|
{
|
|
CoglTexture *tex0, *tex1;
|
|
|
|
/* combine constant - when applicable */
|
|
uint8_t Cr = MASK_RED (combine_constant);
|
|
uint8_t Cg = MASK_GREEN (combine_constant);
|
|
uint8_t Cb = MASK_BLUE (combine_constant);
|
|
uint8_t Ca = MASK_ALPHA (combine_constant);
|
|
CoglColor combine_const_color;
|
|
|
|
CoglPipeline *pipeline;
|
|
gboolean status;
|
|
GError *error = NULL;
|
|
int y_off;
|
|
int x_off;
|
|
|
|
|
|
tex0 = make_texture (tex0_color);
|
|
tex1 = make_texture (tex1_color);
|
|
|
|
pipeline = cogl_pipeline_new (test_ctx);
|
|
|
|
cogl_pipeline_set_color4ub (pipeline, 0x80, 0x80, 0x80, 0x80);
|
|
cogl_pipeline_set_blend (pipeline, "RGBA = ADD (SRC_COLOR, 0)", NULL);
|
|
|
|
cogl_pipeline_set_layer_texture (pipeline, 0, tex0);
|
|
cogl_pipeline_set_layer_combine (pipeline, 0,
|
|
"RGBA = REPLACE (TEXTURE)", NULL);
|
|
|
|
cogl_pipeline_set_layer_texture (pipeline, 1, tex1);
|
|
status = cogl_pipeline_set_layer_combine (pipeline, 1,
|
|
combine_string, &error);
|
|
if (!status)
|
|
{
|
|
/* It's not strictly a test failure; you need a more capable GPU or
|
|
* driver to test this texture combine string. */
|
|
g_debug ("Failed to test texture combine string %s: %s",
|
|
combine_string, error->message);
|
|
}
|
|
|
|
cogl_color_init_from_4ub (&combine_const_color, Cr, Cg, Cb, Ca);
|
|
cogl_pipeline_set_layer_combine_constant (pipeline, 1, &combine_const_color);
|
|
|
|
cogl_framebuffer_draw_rectangle (test_fb,
|
|
pipeline,
|
|
x * QUAD_WIDTH,
|
|
y * QUAD_WIDTH,
|
|
x * QUAD_WIDTH + QUAD_WIDTH,
|
|
y * QUAD_WIDTH + QUAD_WIDTH);
|
|
|
|
cogl_object_unref (pipeline);
|
|
cogl_object_unref (tex0);
|
|
cogl_object_unref (tex1);
|
|
|
|
/* See what we got... */
|
|
|
|
y_off = y * QUAD_WIDTH + (QUAD_WIDTH / 2);
|
|
x_off = x * QUAD_WIDTH + (QUAD_WIDTH / 2);
|
|
|
|
if (cogl_test_verbose ())
|
|
{
|
|
g_print ("test_tex_combine (%d, %d):\n%s\n", x, y, combine_string);
|
|
g_print (" texture 0 color = 0x%08lX\n", (unsigned long)tex0_color);
|
|
g_print (" texture 1 color = 0x%08lX\n", (unsigned long)tex1_color);
|
|
if (combine_constant != TEX_CONSTANT_UNUSED)
|
|
g_print (" combine constant = %02x, %02x, %02x, %02x\n",
|
|
Cr, Cg, Cb, Ca);
|
|
else
|
|
g_print (" combine constant = UNUSED\n");
|
|
}
|
|
|
|
test_utils_check_pixel (test_fb, x_off, y_off, expected_result);
|
|
}
|
|
|
|
static void
|
|
paint (TestState *state)
|
|
{
|
|
test_blend_paint (state, 0, 0, /* position */
|
|
0xff0000ff, /* src */
|
|
0xffffffff, /* dst */
|
|
"RGBA = ADD (SRC_COLOR, 0)",
|
|
BLEND_CONSTANT_UNUSED,
|
|
0xff0000ff); /* expected */
|
|
|
|
test_blend_paint (state, 1, 0, /* position */
|
|
0x11223344, /* src */
|
|
0x11223344, /* dst */
|
|
"RGBA = ADD (SRC_COLOR, DST_COLOR)",
|
|
BLEND_CONSTANT_UNUSED,
|
|
0x22446688); /* expected */
|
|
|
|
test_blend_paint (state, 2, 0, /* position */
|
|
0x80808080, /* src */
|
|
0xffffffff, /* dst */
|
|
"RGBA = ADD (SRC_COLOR * (CONSTANT), 0)",
|
|
0x80808080, /* constant (RGBA all = 0.5 when normalized) */
|
|
0x40404040); /* expected */
|
|
|
|
test_blend_paint (state, 3, 0, /* position */
|
|
0x80000080, /* src (alpha = 0.5 when normalized) */
|
|
0x40000000, /* dst */
|
|
"RGBA = ADD (SRC_COLOR * (SRC_COLOR[A]),"
|
|
" DST_COLOR * (1-SRC_COLOR[A]))",
|
|
BLEND_CONSTANT_UNUSED,
|
|
0x60000040); /* expected */
|
|
|
|
/* XXX:
|
|
* For all texture combine tests tex0 will use a combine mode of
|
|
* "RGBA = REPLACE (TEXTURE)"
|
|
*/
|
|
|
|
test_tex_combine (state, 4, 0, /* position */
|
|
0x11111111, /* texture 0 color */
|
|
0x22222222, /* texture 1 color */
|
|
TEX_CONSTANT_UNUSED,
|
|
"RGBA = ADD (PREVIOUS, TEXTURE)", /* tex combine */
|
|
0x33333333); /* expected */
|
|
|
|
test_tex_combine (state, 5, 0, /* position */
|
|
0x40404040, /* texture 0 color */
|
|
0x80808080, /* texture 1 color (RGBA all = 0.5) */
|
|
TEX_CONSTANT_UNUSED,
|
|
"RGBA = MODULATE (PREVIOUS, TEXTURE)", /* tex combine */
|
|
0x20202020); /* expected */
|
|
|
|
test_tex_combine (state, 6, 0, /* position */
|
|
0xffffff80, /* texture 0 color (alpha = 0.5) */
|
|
0xDEADBE40, /* texture 1 color */
|
|
TEX_CONSTANT_UNUSED,
|
|
"RGB = REPLACE (PREVIOUS)"
|
|
"A = MODULATE (PREVIOUS, TEXTURE)", /* tex combine */
|
|
0xffffff20); /* expected */
|
|
|
|
/* XXX: we are assuming test_tex_combine creates a pipeline with
|
|
* a color of 0x80808080 (i.e. the "PRIMARY" color) */
|
|
test_tex_combine (state, 7, 0, /* position */
|
|
0xffffff80, /* texture 0 color (alpha = 0.5) */
|
|
0xDEADBE20, /* texture 1 color */
|
|
TEX_CONSTANT_UNUSED,
|
|
"RGB = REPLACE (PREVIOUS)"
|
|
"A = MODULATE (PRIMARY, TEXTURE)", /* tex combine */
|
|
0xffffff10); /* expected */
|
|
|
|
test_tex_combine (state, 8, 0, /* position */
|
|
0x11111111, /* texture 0 color */
|
|
0x22222222, /* texture 1 color */
|
|
TEX_CONSTANT_UNUSED,
|
|
"RGBA = ADD (PREVIOUS, 1-TEXTURE)", /* tex combine */
|
|
0xeeeeeeee); /* expected */
|
|
|
|
/* this is again assuming a primary color of 0x80808080 */
|
|
test_tex_combine (state, 9, 0, /* position */
|
|
0x10101010, /* texture 0 color */
|
|
0x20202020, /* texture 1 color */
|
|
TEX_CONSTANT_UNUSED,
|
|
"RGBA = INTERPOLATE (PREVIOUS, TEXTURE, PRIMARY)",
|
|
0x18181818); /* expected */
|
|
|
|
#if 0 /* using TEXTURE_N appears to be broken in cogl-blend-string.c */
|
|
test_tex_combine (state, 0, 1, /* position */
|
|
0xDEADBEEF, /* texture 0 color (not used) */
|
|
0x11223344, /* texture 1 color */
|
|
TEX_CONSTANT_UNUSED,
|
|
"RGBA = ADD (TEXTURE_1, TEXTURE)", /* tex combine */
|
|
0x22446688); /* expected */
|
|
#endif
|
|
|
|
test_tex_combine (state, 1, 1, /* position */
|
|
0x21314151, /* texture 0 color */
|
|
0x99999999, /* texture 1 color */
|
|
TEX_CONSTANT_UNUSED,
|
|
"RGBA = ADD_SIGNED (PREVIOUS, TEXTURE)", /* tex combine */
|
|
0x3a4a5a6a); /* expected */
|
|
|
|
test_tex_combine (state, 2, 1, /* position */
|
|
0xfedcba98, /* texture 0 color */
|
|
0x11111111, /* texture 1 color */
|
|
TEX_CONSTANT_UNUSED,
|
|
"RGBA = SUBTRACT (PREVIOUS, TEXTURE)", /* tex combine */
|
|
0xedcba987); /* expected */
|
|
|
|
test_tex_combine (state, 3, 1, /* position */
|
|
0x8899aabb, /* texture 0 color */
|
|
0xbbaa9988, /* texture 1 color */
|
|
TEX_CONSTANT_UNUSED,
|
|
"RGB = DOT3_RGBA (PREVIOUS, TEXTURE)"
|
|
"A = REPLACE (PREVIOUS)",
|
|
0x2a2a2abb); /* expected */
|
|
}
|
|
|
|
void
|
|
test_blend_strings (void)
|
|
{
|
|
TestState state;
|
|
|
|
cogl_framebuffer_orthographic (test_fb, 0, 0,
|
|
cogl_framebuffer_get_width (test_fb),
|
|
cogl_framebuffer_get_height (test_fb),
|
|
-1,
|
|
100);
|
|
|
|
paint (&state);
|
|
|
|
if (cogl_test_verbose ())
|
|
g_print ("OK\n");
|
|
}
|
|
|