423 lines
12 KiB
C
423 lines
12 KiB
C
/*
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* Clutter COGL
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*
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* A basic GL/GLES Abstraction/Utility Layer
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*
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* Authored By: Matthew Allum <mallum@openedhand.com>
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* Emmanuele Bassi <ebassi@linux.intel.com>
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*
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* Copyright (C) 2007, 2008 OpenedHand
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* Copyright (C) 2009 Intel Corp.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <glib-object.h>
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#include <gobject/gvaluecollector.h>
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#include "cogl.h"
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#include "cogl-fixed.h"
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#include "cogl-internal.h"
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#include "cogl-material.h"
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#include "cogl-current-matrix.h"
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#include "cogl-offscreen.h"
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#include "cogl-shader.h"
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#include "cogl-texture.h"
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#include "cogl-types.h"
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#include "cogl-util.h"
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/**
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* cogl_util_next_p2:
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* @a: Value to get the next power
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*
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* Calculates the next power greater than @a.
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*
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* Return value: The next power after @a.
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*/
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int
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cogl_util_next_p2 (int a)
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{
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int rval=1;
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while(rval < a)
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rval <<= 1;
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return rval;
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}
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/* gtypes */
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CoglHandle
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cogl_handle_ref (CoglHandle handle)
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{
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g_return_val_if_fail (handle != COGL_INVALID_HANDLE, COGL_INVALID_HANDLE);
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if (cogl_is_texture (handle))
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return cogl_texture_ref (handle);
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if (cogl_is_offscreen (handle))
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return cogl_offscreen_ref (handle);
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if (cogl_is_material (handle))
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return cogl_material_ref (handle);
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if (cogl_is_program (handle))
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return cogl_program_ref (handle);
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if (cogl_is_shader (handle))
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return cogl_shader_ref (handle);
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return COGL_INVALID_HANDLE;
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}
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void
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cogl_handle_unref (CoglHandle handle)
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{
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g_return_if_fail (handle != COGL_INVALID_HANDLE);
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if (cogl_is_texture (handle))
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cogl_texture_unref (handle);
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if (cogl_is_offscreen (handle))
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cogl_offscreen_unref (handle);
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if (cogl_is_material (handle))
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cogl_material_unref (handle);
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if (cogl_is_program (handle))
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cogl_program_unref (handle);
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if (cogl_is_shader (handle))
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cogl_shader_unref (handle);
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}
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GType
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cogl_handle_get_type (void)
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{
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static GType our_type = 0;
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if (G_UNLIKELY (our_type == 0))
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our_type = g_boxed_type_register_static (g_intern_static_string ("CoglHandle"),
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(GBoxedCopyFunc) cogl_handle_ref,
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(GBoxedFreeFunc) cogl_handle_unref);
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return our_type;
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}
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GType
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cogl_pixel_format_get_type (void)
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{
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static GType gtype = 0;
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if (G_UNLIKELY (gtype == 0))
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{
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static const GEnumValue values[] = {
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{ COGL_PIXEL_FORMAT_ANY, "COGL_PIXEL_FORMAT_ANY", "any" },
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{ COGL_PIXEL_FORMAT_A_8, "COGL_PIXEL_FORMAT_A_8", "a-8" },
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{ COGL_PIXEL_FORMAT_RGB_565, "COGL_PIXEL_FORMAT_RGB_565", "rgb-565" },
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{ COGL_PIXEL_FORMAT_RGBA_4444, "COGL_PIXEL_FORMAT_RGBA_4444", "rgba-4444" },
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{ COGL_PIXEL_FORMAT_RGBA_5551, "COGL_PIXEL_FORMAT_RGBA_5551", "rgba-5551" },
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{ COGL_PIXEL_FORMAT_YUV, "COGL_PIXEL_FORMAT_YUV", "yuv" },
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{ COGL_PIXEL_FORMAT_G_8, "COGL_PIXEL_FORMAT_G_8", "g-8" },
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{ COGL_PIXEL_FORMAT_RGB_888, "COGL_PIXEL_FORMAT_RGB_888", "rgb-888" },
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{ COGL_PIXEL_FORMAT_BGR_888, "COGL_PIXEL_FORMAT_BGR_888", "bgr-888" },
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{ COGL_PIXEL_FORMAT_RGBA_8888, "COGL_PIXEL_FORMAT_RGBA_8888", "rgba-8888" },
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{ COGL_PIXEL_FORMAT_BGRA_8888, "COGL_PIXEL_FORMAT_BGRA_8888", "bgra-8888" },
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{ COGL_PIXEL_FORMAT_ARGB_8888, "COGL_PIXEL_FORMAT_ARGB_8888", "argb-8888" },
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{ COGL_PIXEL_FORMAT_ABGR_8888, "COGL_PIXEL_FORMAT_ABGR_8888", "abgr-8888" },
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{ COGL_PIXEL_FORMAT_RGBA_8888_PRE, "COGL_PIXEL_FORMAT_RGBA_8888_PRE", "rgba-8888-pre" },
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{ COGL_PIXEL_FORMAT_BGRA_8888_PRE, "COGL_PIXEL_FORMAT_BGRA_8888_PRE", "bgra-8888-pre" },
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{ COGL_PIXEL_FORMAT_ARGB_8888_PRE, "COGL_PIXEL_FORMAT_ARGB_8888_PRE", "argb-8888-pre" },
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{ COGL_PIXEL_FORMAT_ABGR_8888_PRE, "COGL_PIXEL_FORMAT_ABGR_8888_PRE", "abgr-8888-pre" },
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{ COGL_PIXEL_FORMAT_RGBA_4444_PRE, "COGL_PIXEL_FORMAT_RGBA_4444_PRE", "rgba-4444-pre" },
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{ COGL_PIXEL_FORMAT_RGBA_5551_PRE, "COGL_PIXEL_FORMAT_RGBA_5551_PRE", "rgba-5551-pre" },
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{ 0, NULL, NULL }
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};
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gtype =
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g_enum_register_static (g_intern_static_string ("CoglPixelFormat"),
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values);
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}
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return gtype;
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}
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GType
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cogl_feature_flags_get_type (void)
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{
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static GType gtype = 0;
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if (G_UNLIKELY (gtype == 0))
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{
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static const GFlagsValue values[] = {
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{ COGL_FEATURE_TEXTURE_RECTANGLE, "COGL_FEATURE_TEXTURE_RECTANGLE", "texture-rectangle" },
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{ COGL_FEATURE_TEXTURE_NPOT, "COGL_FEATURE_TEXTURE_NPOT", "texture-npot" },
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{ COGL_FEATURE_TEXTURE_YUV, "COGL_FEATURE_TEXTURE_YUV", "yuv" },
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{ COGL_FEATURE_TEXTURE_READ_PIXELS, "COGL_FEATURE_TEXTURE_READ_PIXELS", "read-pixels" },
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{ COGL_FEATURE_SHADERS_GLSL, "COGL_FEATURE_SHADERS_GLSL", "shaders-glsl" },
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{ COGL_FEATURE_OFFSCREEN, "COGL_FEATURE_OFFSCREEN", "offscreen" },
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{ COGL_FEATURE_OFFSCREEN_MULTISAMPLE, "COGL_FEATURE_OFFSCREEN_MULTISAMPLE", "offscreen-multisample" },
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{ COGL_FEATURE_OFFSCREEN_BLIT, "COGL_FEATURE_OFFSCREEN_BLIT", "offscreen-blit" },
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{ COGL_FEATURE_FOUR_CLIP_PLANES, "COGL_FEATURE_FOUR_CLIP_PLANES", "four-clip-planes" },
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{ COGL_FEATURE_STENCIL_BUFFER, "COGL_FEATURE_STENCIL_BUFFER", "stencil-buffer" },
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{ 0, NULL, NULL }
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};
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gtype =
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g_flags_register_static (g_intern_static_string ("CoglFeatureFlags"),
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values);
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}
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return gtype;
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}
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GType
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cogl_buffer_target_get_type (void)
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{
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static GType gtype = 0;
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if (G_UNLIKELY (gtype == 0))
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{
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static const GFlagsValue values[] = {
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{ COGL_WINDOW_BUFFER, "COGL_WINDOW_BUFFER", "window-buffer" },
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{ COGL_MASK_BUFFER, "COGL_MASK_BUFFER", "mask-buffer" },
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{ COGL_OFFSCREEN_BUFFER, "COGL_OFFSCREEN_BUFFER", "offscreen-buffer" },
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{ 0, NULL, NULL }
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};
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gtype =
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g_flags_register_static (g_intern_static_string ("CoglBufferTarget"),
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values);
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}
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return gtype;
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}
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GType
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cogl_matrix_mode_get_type (void)
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{
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static GType gtype = 0;
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if (G_UNLIKELY (gtype == 0))
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{
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static const GEnumValue values[] = {
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{ COGL_MATRIX_MODELVIEW, "COGL_MATRIX_MODELVIEW", "modelview" },
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{ COGL_MATRIX_PROJECTION, "COGL_MATRIX_PROJECTION", "projection" },
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{ COGL_MATRIX_TEXTURE, "COGL_MATRIX_TEXTURE", "texture" },
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{ 0, NULL, NULL }
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};
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gtype =
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g_enum_register_static (g_intern_static_string ("CoglMatrixMode"),
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values);
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}
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return gtype;
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}
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GType
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cogl_texture_flags_get_type (void)
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{
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static GType gtype = 0;
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if (G_UNLIKELY (gtype == 0))
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{
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static const GFlagsValue values[] = {
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{ COGL_TEXTURE_NONE, "COGL_TEXTURE_NONE", "none" },
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{ COGL_TEXTURE_AUTO_MIPMAP, "COGL_TEXTURE_AUTO_MIPMAP", "auto-mipmap" },
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{ 0, NULL, NULL }
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};
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gtype =
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g_flags_register_static (g_intern_static_string ("CoglTextureFlags"),
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values);
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}
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return gtype;
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}
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GType
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cogl_fog_mode_get_type (void)
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{
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static GType gtype = 0;
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if (G_UNLIKELY (gtype == 0))
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{
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static const GEnumValue values[] = {
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{ COGL_FOG_MODE_LINEAR, "COGL_FOG_MODE_LINEAR", "linear" },
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{ COGL_FOG_MODE_EXPONENTIAL, "COGL_FOG_MODE_EXPONENTIAL", "exponential" },
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{ COGL_FOG_MODE_EXPONENTIAL_SQUARED, "COGL_FOG_MODE_EXPONENTIAL_SQUARED", "exponential-squared" },
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{ 0, NULL, NULL }
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};
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gtype =
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g_enum_register_static (g_intern_static_string ("CoglFogMode"),
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values);
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}
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return gtype;
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}
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/*
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* CoglFixed
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*/
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static GTypeInfo _info = {
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0,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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0,
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0,
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NULL,
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NULL,
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};
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static GTypeFundamentalInfo _finfo = { 0, };
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static void
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cogl_value_init_fixed (GValue *value)
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{
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value->data[0].v_int = 0;
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}
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static void
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cogl_value_copy_fixed (const GValue *src,
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GValue *dest)
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{
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dest->data[0].v_int = src->data[0].v_int;
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}
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static gchar *
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cogl_value_collect_fixed (GValue *value,
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guint n_collect_values,
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GTypeCValue *collect_values,
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guint collect_flags)
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{
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value->data[0].v_int = collect_values[0].v_int;
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return NULL;
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}
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static gchar *
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cogl_value_lcopy_fixed (const GValue *value,
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guint n_collect_values,
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GTypeCValue *collect_values,
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guint collect_flags)
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{
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gint32 *fixed_p = collect_values[0].v_pointer;
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if (!fixed_p)
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return g_strdup_printf ("value location for '%s' passed as NULL",
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G_VALUE_TYPE_NAME (value));
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*fixed_p = value->data[0].v_int;
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return NULL;
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}
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static void
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cogl_value_transform_fixed_int (const GValue *src,
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GValue *dest)
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{
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dest->data[0].v_int = COGL_FIXED_TO_INT (src->data[0].v_int);
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}
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static void
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cogl_value_transform_fixed_double (const GValue *src,
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GValue *dest)
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{
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dest->data[0].v_double = COGL_FIXED_TO_DOUBLE (src->data[0].v_int);
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}
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static void
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cogl_value_transform_fixed_float (const GValue *src,
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GValue *dest)
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{
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dest->data[0].v_float = COGL_FIXED_TO_FLOAT (src->data[0].v_int);
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}
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static void
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cogl_value_transform_int_fixed (const GValue *src,
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GValue *dest)
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{
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dest->data[0].v_int = COGL_FIXED_FROM_INT (src->data[0].v_int);
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}
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static void
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cogl_value_transform_double_fixed (const GValue *src,
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GValue *dest)
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{
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dest->data[0].v_int = COGL_FIXED_FROM_DOUBLE (src->data[0].v_double);
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}
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static void
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cogl_value_transform_float_fixed (const GValue *src,
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GValue *dest)
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{
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dest->data[0].v_int = COGL_FIXED_FROM_FLOAT (src->data[0].v_float);
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}
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static const GTypeValueTable _cogl_fixed_value_table = {
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cogl_value_init_fixed,
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NULL,
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cogl_value_copy_fixed,
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NULL,
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"i",
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cogl_value_collect_fixed,
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"p",
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cogl_value_lcopy_fixed
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};
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GType
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cogl_fixed_get_type (void)
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{
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static GType _cogl_fixed_type = 0;
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if (G_UNLIKELY (_cogl_fixed_type == 0))
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{
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_info.value_table = & _cogl_fixed_value_table;
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_cogl_fixed_type =
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g_type_register_fundamental (g_type_fundamental_next (),
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g_intern_static_string ("CoglFixed"),
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&_info, &_finfo, 0);
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g_value_register_transform_func (_cogl_fixed_type, G_TYPE_INT,
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cogl_value_transform_fixed_int);
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g_value_register_transform_func (G_TYPE_INT, _cogl_fixed_type,
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cogl_value_transform_int_fixed);
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g_value_register_transform_func (_cogl_fixed_type, G_TYPE_FLOAT,
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cogl_value_transform_fixed_float);
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g_value_register_transform_func (G_TYPE_FLOAT, _cogl_fixed_type,
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cogl_value_transform_float_fixed);
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g_value_register_transform_func (_cogl_fixed_type, G_TYPE_DOUBLE,
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cogl_value_transform_fixed_double);
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g_value_register_transform_func (G_TYPE_DOUBLE, _cogl_fixed_type,
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cogl_value_transform_double_fixed);
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}
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return _cogl_fixed_type;
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}
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