forked from AuroraMiddleware/gtk
733 lines
20 KiB
C
733 lines
20 KiB
C
#include <gtk/gtk.h>
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#include "gsk/ngl/gsknglrenderer.h"
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#define N 20
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static GskRenderer *gl_renderer = NULL;
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typedef struct _TextureBuilder TextureBuilder;
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typedef enum {
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TEXTURE_METHOD_LOCAL,
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TEXTURE_METHOD_GL,
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TEXTURE_METHOD_GL_RELEASED,
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TEXTURE_METHOD_PNG,
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TEXTURE_METHOD_PNG_PIXBUF,
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TEXTURE_METHOD_TIFF,
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TEXTURE_METHOD_TIFF_PIXBUF,
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N_TEXTURE_METHODS
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} TextureMethod;
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struct _TextureBuilder
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{
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GdkMemoryFormat format;
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int width;
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int height;
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guchar *pixels;
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gsize stride;
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gsize offset;
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};
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static float
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gdk_memory_format_precsion (GdkMemoryFormat format)
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{
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switch (format)
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{
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case GDK_MEMORY_R8G8B8:
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case GDK_MEMORY_B8G8R8:
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case GDK_MEMORY_B8G8R8A8_PREMULTIPLIED:
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case GDK_MEMORY_A8R8G8B8_PREMULTIPLIED:
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case GDK_MEMORY_R8G8B8A8_PREMULTIPLIED:
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case GDK_MEMORY_B8G8R8A8:
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case GDK_MEMORY_A8R8G8B8:
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case GDK_MEMORY_R8G8B8A8:
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case GDK_MEMORY_A8B8G8R8:
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return 1/256.f;
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case GDK_MEMORY_R16G16B16:
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case GDK_MEMORY_R16G16B16A16_PREMULTIPLIED:
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return 1/65536.f;
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case GDK_MEMORY_R16G16B16_FLOAT:
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case GDK_MEMORY_R16G16B16A16_FLOAT_PREMULTIPLIED:
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return 0.0009765625f;
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case GDK_MEMORY_R32G32B32_FLOAT:
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case GDK_MEMORY_R32G32B32A32_FLOAT_PREMULTIPLIED:
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return FLT_EPSILON;
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case GDK_MEMORY_N_FORMATS:
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default:
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g_assert_not_reached ();
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return 0;
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}
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}
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static gsize
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gdk_memory_format_bytes_per_pixel (GdkMemoryFormat format)
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{
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switch (format)
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{
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case GDK_MEMORY_R8G8B8:
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case GDK_MEMORY_B8G8R8:
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return 3;
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case GDK_MEMORY_B8G8R8A8_PREMULTIPLIED:
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case GDK_MEMORY_A8R8G8B8_PREMULTIPLIED:
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case GDK_MEMORY_R8G8B8A8_PREMULTIPLIED:
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case GDK_MEMORY_B8G8R8A8:
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case GDK_MEMORY_A8R8G8B8:
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case GDK_MEMORY_R8G8B8A8:
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case GDK_MEMORY_A8B8G8R8:
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return 4;
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case GDK_MEMORY_R16G16B16:
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case GDK_MEMORY_R16G16B16_FLOAT:
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return 6;
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case GDK_MEMORY_R16G16B16A16_PREMULTIPLIED:
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case GDK_MEMORY_R16G16B16A16_FLOAT_PREMULTIPLIED:
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return 8;
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case GDK_MEMORY_R32G32B32_FLOAT:
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return 12;
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case GDK_MEMORY_R32G32B32A32_FLOAT_PREMULTIPLIED:
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return 16;
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case GDK_MEMORY_N_FORMATS:
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default:
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g_assert_not_reached ();
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return 4;
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}
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}
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static gboolean
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gdk_memory_format_has_alpha (GdkMemoryFormat format)
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{
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switch (format)
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{
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case GDK_MEMORY_R8G8B8:
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case GDK_MEMORY_B8G8R8:
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case GDK_MEMORY_R16G16B16:
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case GDK_MEMORY_R16G16B16_FLOAT:
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case GDK_MEMORY_R32G32B32_FLOAT:
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return FALSE;
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case GDK_MEMORY_B8G8R8A8_PREMULTIPLIED:
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case GDK_MEMORY_A8R8G8B8_PREMULTIPLIED:
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case GDK_MEMORY_R8G8B8A8_PREMULTIPLIED:
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case GDK_MEMORY_B8G8R8A8:
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case GDK_MEMORY_A8R8G8B8:
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case GDK_MEMORY_R8G8B8A8:
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case GDK_MEMORY_A8B8G8R8:
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case GDK_MEMORY_R16G16B16A16_PREMULTIPLIED:
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case GDK_MEMORY_R16G16B16A16_FLOAT_PREMULTIPLIED:
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case GDK_MEMORY_R32G32B32A32_FLOAT_PREMULTIPLIED:
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return TRUE;
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case GDK_MEMORY_N_FORMATS:
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default:
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g_assert_not_reached ();
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return TRUE;
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}
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}
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static gpointer
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encode (GdkMemoryFormat format,
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TextureMethod method)
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{
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return GSIZE_TO_POINTER (method * GDK_MEMORY_N_FORMATS + format);
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}
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static void
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decode (gconstpointer data,
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GdkMemoryFormat *format,
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TextureMethod *method)
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{
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gsize value = GPOINTER_TO_SIZE (data);
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*format = value % GDK_MEMORY_N_FORMATS;
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value /= GDK_MEMORY_N_FORMATS;
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*method = value;
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}
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static void
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texture_builder_init (TextureBuilder *builder,
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GdkMemoryFormat format,
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int width,
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int height)
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{
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gsize extra_stride;
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builder->format = format;
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builder->width = width;
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builder->height = height;
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extra_stride = g_test_rand_bit() ? g_test_rand_int_range (0, 16) : 0;
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builder->offset = g_test_rand_bit() ? g_test_rand_int_range (0, 128) : 0;
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builder->stride = width * gdk_memory_format_bytes_per_pixel (format) + extra_stride;
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builder->pixels = g_malloc0 (builder->offset + builder->stride * height);
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}
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static GdkTexture *
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texture_builder_finish (TextureBuilder *builder)
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{
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GBytes *bytes;
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GdkTexture *texture;
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bytes = g_bytes_new_with_free_func (builder->pixels + builder->offset,
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builder->height * builder->stride,
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g_free,
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builder->pixels);
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texture = gdk_memory_texture_new (builder->width,
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builder->height,
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builder->format,
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bytes,
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builder->stride);
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g_bytes_unref (bytes);
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return texture;
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}
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static inline void
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set_pixel_u8 (guchar *data,
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int r,
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int g,
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int b,
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int a,
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gboolean premultiply,
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const GdkRGBA *color)
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{
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if (a >= 0)
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data[a] = CLAMP (color->alpha * 256.f, 0.f, 255.f);
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if (premultiply)
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{
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data[r] = CLAMP (color->red * color->alpha * 256.f, 0.f, 255.f);
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data[g] = CLAMP (color->green * color->alpha * 256.f, 0.f, 255.f);
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data[b] = CLAMP (color->blue * color->alpha * 256.f, 0.f, 255.f);
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}
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else
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{
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data[r] = CLAMP (color->red * 256.f, 0.f, 255.f);
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data[g] = CLAMP (color->green * 256.f, 0.f, 255.f);
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data[b] = CLAMP (color->blue * 256.f, 0.f, 255.f);
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}
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}
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static inline guint16
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float_to_half (const float x)
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{
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const guint b = *(guint*)&x+0x00001000; // round-to-nearest-even
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const guint e = (b&0x7F800000)>>23; // exponent
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const guint m = b&0x007FFFFF; // mantissa
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return (b&0x80000000)>>16 | (e>112)*((((e-112)<<10)&0x7C00)|m>>13) | ((e<113)&(e>101))*((((0x007FF000+m)>>(125-e))+1)>>1) | (e>143)*0x7FFF; // sign : normalized : denormalized : saturate
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}
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static void
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texture_builder_set_pixel (TextureBuilder *builder,
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int x,
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int y,
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const GdkRGBA *color)
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{
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guchar *data;
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g_assert_cmpint (x, >=, 0);
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g_assert_cmpint (x, <, builder->width);
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g_assert_cmpint (y, >=, 0);
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g_assert_cmpint (y, <, builder->height);
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data = builder->pixels
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+ builder->offset
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+ y * builder->stride
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+ x * gdk_memory_format_bytes_per_pixel (builder->format);
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switch (builder->format)
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{
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case GDK_MEMORY_B8G8R8A8_PREMULTIPLIED:
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set_pixel_u8 (data, 2, 1, 0, 3, TRUE, color);
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break;
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case GDK_MEMORY_A8R8G8B8_PREMULTIPLIED:
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set_pixel_u8 (data, 1, 2, 3, 0, TRUE, color);
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break;
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case GDK_MEMORY_R8G8B8A8_PREMULTIPLIED:
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set_pixel_u8 (data, 0, 1, 2, 3, TRUE, color);
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break;
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case GDK_MEMORY_B8G8R8A8:
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set_pixel_u8 (data, 2, 1, 0, 3, FALSE, color);
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break;
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case GDK_MEMORY_A8R8G8B8:
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set_pixel_u8 (data, 1, 2, 3, 0, FALSE, color);
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break;
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case GDK_MEMORY_R8G8B8A8:
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set_pixel_u8 (data, 0, 1, 2, 3, FALSE, color);
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break;
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case GDK_MEMORY_A8B8G8R8:
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set_pixel_u8 (data, 3, 2, 1, 0, FALSE, color);
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break;
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case GDK_MEMORY_R8G8B8:
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set_pixel_u8 (data, 0, 1, 2, -1, TRUE, color);
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break;
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case GDK_MEMORY_B8G8R8:
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set_pixel_u8 (data, 2, 1, 0, -1, TRUE, color);
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break;
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case GDK_MEMORY_R16G16B16:
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{
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guint16 pixels[3] = {
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CLAMP (color->red * color->alpha * 65536.f, 0, 65535.f),
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CLAMP (color->green * color->alpha * 65536.f, 0, 65535.f),
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CLAMP (color->blue * color->alpha * 65536.f, 0, 65535.f),
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};
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memcpy (data, pixels, 3 * sizeof (guint16));
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}
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break;
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case GDK_MEMORY_R16G16B16A16_PREMULTIPLIED:
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{
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guint16 pixels[4] = {
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CLAMP (color->red * color->alpha * 65536.f, 0, 65535.f),
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CLAMP (color->green * color->alpha * 65536.f, 0, 65535.f),
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CLAMP (color->blue * color->alpha * 65536.f, 0, 65535.f),
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CLAMP (color->alpha * 65536.f, 0, 65535.f),
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};
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memcpy (data, pixels, 4 * sizeof (guint16));
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}
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break;
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case GDK_MEMORY_R16G16B16_FLOAT:
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{
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guint16 pixels[3] = {
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float_to_half (color->red * color->alpha),
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float_to_half (color->green * color->alpha),
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float_to_half (color->blue * color->alpha)
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};
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memcpy (data, pixels, 3 * sizeof (guint16));
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}
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break;
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case GDK_MEMORY_R16G16B16A16_FLOAT_PREMULTIPLIED:
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{
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guint16 pixels[4] = {
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float_to_half (color->red * color->alpha),
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float_to_half (color->green * color->alpha),
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float_to_half (color->blue * color->alpha),
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float_to_half (color->alpha)
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};
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memcpy (data, pixels, 4 * sizeof (guint16));
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}
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break;
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case GDK_MEMORY_R32G32B32_FLOAT:
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{
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float pixels[3] = {
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color->red * color->alpha,
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color->green * color->alpha,
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color->blue * color->alpha
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};
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memcpy (data, pixels, 3 * sizeof (float));
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}
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break;
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case GDK_MEMORY_R32G32B32A32_FLOAT_PREMULTIPLIED:
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{
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float pixels[4] = {
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color->red * color->alpha,
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color->green * color->alpha,
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color->blue * color->alpha,
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color->alpha
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};
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memcpy (data, pixels, 4 * sizeof (float));
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}
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break;
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case GDK_MEMORY_N_FORMATS:
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default:
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g_assert_not_reached ();
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break;
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}
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}
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static void
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texture_builder_fill (TextureBuilder *builder,
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const GdkRGBA *color)
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{
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int x, y;
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for (y = 0; y < builder->height; y++)
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for (x = 0; x < builder->width; x++)
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texture_builder_set_pixel (builder, x, y, color);
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}
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static void
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compare_textures (GdkTexture *expected,
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GdkTexture *test,
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gboolean has_alpha)
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{
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guint32 *expected_data, *test_data;
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int width, height;
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int x, y;
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g_assert_cmpint (gdk_texture_get_width (expected), ==, gdk_texture_get_width (test));
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g_assert_cmpint (gdk_texture_get_height (expected), ==, gdk_texture_get_height (test));
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width = gdk_texture_get_width (expected);
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height = gdk_texture_get_height (expected);
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expected_data = g_new (guint32, width * height);
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gdk_texture_download (expected, (guchar *) expected_data, width * 4);
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test_data = g_new (guint32, width * height);
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gdk_texture_download (test, (guchar *) test_data, width * 4);
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for (y = 0; y < height; y++)
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{
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for (x = 0; x < width; x++)
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{
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if (has_alpha)
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g_assert_cmphex (expected_data[y * width + x], ==, test_data[y * width + x]);
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else
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g_assert_cmphex (expected_data[y * width + x] | 0xFF000000, ==, test_data[y * width + x]);
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}
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}
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g_free (expected_data);
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g_free (test_data);
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}
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static void
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compare_textures_float (GdkTexture *expected,
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GdkTexture *test,
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float eps,
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gboolean has_alpha)
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{
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static int R = 0;
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static int G = 1;
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static int B = 2;
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static int A = 3;
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float *expected_data, *test_data;
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int width, height;
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int x, y;
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g_assert_cmpint (gdk_texture_get_width (expected), ==, gdk_texture_get_width (test));
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g_assert_cmpint (gdk_texture_get_height (expected), ==, gdk_texture_get_height (test));
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width = gdk_texture_get_width (expected);
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height = gdk_texture_get_height (expected);
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expected_data = g_new (float, width * height * 4);
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gdk_texture_download_float (expected, expected_data, width * 4);
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test_data = g_new (float, width * height * 4);
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gdk_texture_download_float (test, test_data, width * 4);
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for (y = 0; y < height; y++)
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{
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for (x = 0; x < width; x++)
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{
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g_assert_cmpfloat_with_epsilon (expected_data[y * width + 4 * x + R], test_data[y * width + 4 * x + R], eps);
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g_assert_cmpfloat_with_epsilon (expected_data[y * width + 4 * x + G], test_data[y * width + 4 * x + G], eps);
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g_assert_cmpfloat_with_epsilon (expected_data[y * width + 4 * x + B], test_data[y * width + 4 * x + B], eps);
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if (has_alpha)
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g_assert_cmpfloat_with_epsilon (expected_data[y * width + 4 * x + A], test_data[y * width + 4 * x + A], eps);
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else
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g_assert_cmpfloat (1.0, ==, test_data[y * width + 4 * x + A]);
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}
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}
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g_free (expected_data);
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g_free (test_data);
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}
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static GdkTexture *
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upload_to_gl (GdkTexture *texture)
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{
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GskRenderNode *node;
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GdkTexture *result;
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if (gl_renderer == NULL)
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return texture;
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node = gsk_texture_node_new (texture,
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&GRAPHENE_RECT_INIT(
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0, 0,
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gdk_texture_get_width (texture),
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gdk_texture_get_height (texture)
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));
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result = gsk_renderer_render_texture (gl_renderer, node, NULL);
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gsk_render_node_unref (node);
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g_object_unref (texture);
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return result;
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}
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static GdkTexture *
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create_texture (GdkMemoryFormat format,
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TextureMethod method,
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int width,
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int height,
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const GdkRGBA *color)
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{
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TextureBuilder builder;
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GdkTexture *texture;
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texture_builder_init (&builder, format, width, height);
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texture_builder_fill (&builder, color);
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texture = texture_builder_finish (&builder);
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switch (method)
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{
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case TEXTURE_METHOD_LOCAL:
|
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break;
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case TEXTURE_METHOD_GL:
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texture = upload_to_gl (texture);
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break;
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case TEXTURE_METHOD_GL_RELEASED:
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texture = upload_to_gl (texture);
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gdk_gl_texture_release (GDK_GL_TEXTURE (texture));
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break;
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case TEXTURE_METHOD_PNG:
|
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{
|
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GBytes *bytes = gdk_texture_save_to_png_bytes (texture);
|
|
g_assert (bytes);
|
|
g_object_unref (texture);
|
|
texture = gdk_texture_new_from_bytes (bytes, NULL);
|
|
g_assert (texture);
|
|
g_bytes_unref (bytes);
|
|
}
|
|
break;
|
|
|
|
case TEXTURE_METHOD_PNG_PIXBUF:
|
|
{
|
|
GInputStream *stream;
|
|
GdkPixbuf *pixbuf;
|
|
GBytes *bytes;
|
|
|
|
bytes = gdk_texture_save_to_png_bytes (texture);
|
|
g_assert (bytes);
|
|
g_object_unref (texture);
|
|
stream = g_memory_input_stream_new_from_bytes (bytes);
|
|
pixbuf = gdk_pixbuf_new_from_stream (stream, NULL, NULL);
|
|
g_object_unref (stream);
|
|
g_assert (pixbuf);
|
|
texture = gdk_texture_new_for_pixbuf (pixbuf);
|
|
g_assert (texture);
|
|
g_object_unref (pixbuf);
|
|
g_bytes_unref (bytes);
|
|
}
|
|
break;
|
|
|
|
case TEXTURE_METHOD_TIFF:
|
|
{
|
|
GBytes *bytes = gdk_texture_save_to_tiff_bytes (texture);
|
|
g_assert (bytes);
|
|
g_object_unref (texture);
|
|
texture = gdk_texture_new_from_bytes (bytes, NULL);
|
|
g_assert (texture);
|
|
g_bytes_unref (bytes);
|
|
}
|
|
break;
|
|
|
|
case TEXTURE_METHOD_TIFF_PIXBUF:
|
|
{
|
|
GInputStream *stream;
|
|
GdkPixbuf *pixbuf;
|
|
GBytes *bytes;
|
|
|
|
bytes = gdk_texture_save_to_png_bytes (texture);
|
|
g_assert (bytes);
|
|
g_object_unref (texture);
|
|
stream = g_memory_input_stream_new_from_bytes (bytes);
|
|
pixbuf = gdk_pixbuf_new_from_stream (stream, NULL, NULL);
|
|
g_object_unref (stream);
|
|
g_assert (pixbuf);
|
|
texture = gdk_texture_new_for_pixbuf (pixbuf);
|
|
g_assert (texture);
|
|
g_object_unref (pixbuf);
|
|
g_bytes_unref (bytes);
|
|
}
|
|
break;
|
|
|
|
case N_TEXTURE_METHODS:
|
|
default:
|
|
g_assert_not_reached ();
|
|
break;
|
|
}
|
|
|
|
return texture;
|
|
}
|
|
|
|
static void
|
|
create_random_color (GdkRGBA *color)
|
|
{
|
|
/* Generate colors so that premultiplying will result in values in steps of 1/15th */
|
|
color->red = g_test_rand_int_range (0, 6) / 5.f;
|
|
color->green = g_test_rand_int_range (0, 6) / 5.f;
|
|
color->blue = g_test_rand_int_range (0, 6) / 5.f;
|
|
color->alpha = g_test_rand_int_range (0, 4) / 3.f;
|
|
}
|
|
|
|
static void
|
|
test_download_1x1 (gconstpointer data)
|
|
{
|
|
GdkMemoryFormat format;
|
|
TextureMethod method;
|
|
GdkTexture *expected, *test;
|
|
gsize i;
|
|
|
|
decode (data, &format, &method);
|
|
|
|
for (i = 0; i < N; i++)
|
|
{
|
|
GdkRGBA color;
|
|
|
|
create_random_color (&color);
|
|
expected = create_texture (GDK_MEMORY_DEFAULT, TEXTURE_METHOD_LOCAL, 1, 1, &color);
|
|
test = create_texture (format, method, 1, 1, &color);
|
|
|
|
compare_textures (expected, test, gdk_memory_format_has_alpha (format));
|
|
|
|
g_object_unref (expected);
|
|
g_object_unref (test);
|
|
}
|
|
}
|
|
|
|
static void
|
|
test_download_4x4 (gconstpointer data)
|
|
{
|
|
GdkMemoryFormat format;
|
|
TextureMethod method;
|
|
GdkTexture *expected, *test;
|
|
gsize i;
|
|
|
|
decode (data, &format, &method);
|
|
|
|
for (i = 0; i < N; i++)
|
|
{
|
|
GdkRGBA color;
|
|
|
|
create_random_color (&color);
|
|
expected = create_texture (GDK_MEMORY_DEFAULT, TEXTURE_METHOD_LOCAL, 4, 4, &color);
|
|
test = create_texture (format, method, 4, 4, &color);
|
|
|
|
compare_textures (expected, test, gdk_memory_format_has_alpha (format));
|
|
|
|
g_object_unref (expected);
|
|
g_object_unref (test);
|
|
}
|
|
}
|
|
|
|
static void
|
|
test_download_float_1x1 (gconstpointer data)
|
|
{
|
|
GdkMemoryFormat format;
|
|
TextureMethod method;
|
|
GdkTexture *expected, *test;
|
|
gsize i;
|
|
|
|
decode (data, &format, &method);
|
|
|
|
for (i = 0; i < N; i++)
|
|
{
|
|
GdkRGBA color;
|
|
|
|
create_random_color (&color);
|
|
expected = create_texture (GDK_MEMORY_R32G32B32A32_FLOAT_PREMULTIPLIED, TEXTURE_METHOD_LOCAL, 1, 1, &color);
|
|
test = create_texture (format, method, 1, 1, &color);
|
|
|
|
compare_textures_float (expected, test,
|
|
gdk_memory_format_precsion (format),
|
|
gdk_memory_format_has_alpha (format));
|
|
|
|
g_object_unref (expected);
|
|
g_object_unref (test);
|
|
}
|
|
}
|
|
|
|
static void
|
|
test_download_float_4x4 (gconstpointer data)
|
|
{
|
|
GdkMemoryFormat format;
|
|
TextureMethod method;
|
|
GdkTexture *expected, *test;
|
|
gsize i;
|
|
|
|
decode (data, &format, &method);
|
|
|
|
for (i = 0; i < N; i++)
|
|
{
|
|
GdkRGBA color;
|
|
|
|
create_random_color (&color);
|
|
expected = create_texture (GDK_MEMORY_R32G32B32A32_FLOAT_PREMULTIPLIED, TEXTURE_METHOD_LOCAL, 4, 4, &color);
|
|
test = create_texture (format, method, 4, 4, &color);
|
|
|
|
compare_textures_float (expected, test,
|
|
gdk_memory_format_precsion (format),
|
|
gdk_memory_format_has_alpha (format));
|
|
|
|
g_object_unref (expected);
|
|
g_object_unref (test);
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
add_test (const char *name,
|
|
GTestDataFunc func)
|
|
{
|
|
GdkMemoryFormat format;
|
|
TextureMethod method;
|
|
GEnumClass *enum_class;
|
|
|
|
enum_class = g_type_class_ref (GDK_TYPE_MEMORY_FORMAT);
|
|
|
|
for (format = 0; format < GDK_MEMORY_N_FORMATS; format++)
|
|
{
|
|
for (method = 0; method < N_TEXTURE_METHODS; method++)
|
|
{
|
|
const char *method_names[N_TEXTURE_METHODS] = { "local", "gl", "gl-released", "png", "png-pixbuf", "tiff", "tiff-pixbuf" };
|
|
char *test_name = g_strdup_printf ("%s/%s/%s",
|
|
name,
|
|
g_enum_get_value (enum_class, format)->value_nick,
|
|
method_names[method]);
|
|
g_test_add_data_func_full (test_name, encode (format, method), func, NULL);
|
|
g_free (test_name);
|
|
}
|
|
}
|
|
}
|
|
|
|
int
|
|
main (int argc, char *argv[])
|
|
{
|
|
GdkSurface *surface;
|
|
int result;
|
|
|
|
gtk_test_init (&argc, &argv, NULL);
|
|
|
|
add_test ("/memorytexture/download_1x1", test_download_1x1);
|
|
add_test ("/memorytexture/download_4x4", test_download_4x4);
|
|
add_test ("/memorytexture/download_float_1x1", test_download_float_1x1);
|
|
add_test ("/memorytexture/download_float_4x4", test_download_float_4x4);
|
|
|
|
surface = gdk_surface_new_toplevel (gdk_display_get_default());
|
|
gl_renderer = gsk_ngl_renderer_new ();
|
|
if (!gsk_renderer_realize (gl_renderer, surface, NULL))
|
|
{
|
|
g_clear_object (&gl_renderer);
|
|
g_clear_object (&surface);
|
|
}
|
|
|
|
result = g_test_run ();
|
|
|
|
if (gl_renderer)
|
|
{
|
|
gsk_renderer_unrealize (gl_renderer);
|
|
g_clear_object (&gl_renderer);
|
|
}
|
|
g_clear_object (&surface);
|
|
|
|
return result;
|
|
}
|