diff options
Diffstat (limited to 'cogl/driver/gl/gles/cogl-driver-gles.c')
| -rw-r--r-- | cogl/driver/gl/gles/cogl-driver-gles.c | 487 |
1 files changed, 0 insertions, 487 deletions
diff --git a/cogl/driver/gl/gles/cogl-driver-gles.c b/cogl/driver/gl/gles/cogl-driver-gles.c deleted file mode 100644 index e94449f4..00000000 --- a/cogl/driver/gl/gles/cogl-driver-gles.c +++ /dev/null @@ -1,487 +0,0 @@ -/* - * Cogl - * - * A Low Level GPU Graphics and Utilities API - * - * Copyright (C) 2007,2008,2009 Intel Corporation. - * - * Permission is hereby granted, free of charge, to any person - * obtaining a copy of this software and associated documentation - * files (the "Software"), to deal in the Software without - * restriction, including without limitation the rights to use, copy, - * modify, merge, publish, distribute, sublicense, and/or sell copies - * of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS - * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN - * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - * - * - */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include <string.h> - -#include "cogl-context-private.h" -#include "cogl-util-gl-private.h" -#include "cogl-feature-private.h" -#include "cogl-renderer-private.h" -#include "cogl-private.h" -#include "cogl-framebuffer-gl-private.h" -#include "cogl-texture-2d-gl-private.h" -#include "cogl-attribute-gl-private.h" -#include "cogl-clip-stack-gl-private.h" -#include "cogl-buffer-gl-private.h" - -#ifndef GL_UNSIGNED_INT_24_8 -#define GL_UNSIGNED_INT_24_8 0x84FA -#endif -#ifndef GL_DEPTH_STENCIL -#define GL_DEPTH_STENCIL 0x84F9 -#endif -#ifndef GL_RG -#define GL_RG 0x8227 -#endif -#ifndef GL_RG8 -#define GL_RG8 0x822B -#endif - -static CoglBool -_cogl_driver_pixel_format_from_gl_internal (CoglContext *context, - GLenum gl_int_format, - CoglPixelFormat *out_format) -{ - return TRUE; -} - -static CoglPixelFormat -_cogl_driver_pixel_format_to_gl (CoglContext *context, - CoglPixelFormat format, - GLenum *out_glintformat, - GLenum *out_glformat, - GLenum *out_gltype) -{ - CoglPixelFormat required_format; - GLenum glintformat; - GLenum glformat = 0; - GLenum gltype; - - required_format = format; - - /* Find GL equivalents */ - switch (format) - { - case COGL_PIXEL_FORMAT_A_8: - glintformat = GL_ALPHA; - glformat = GL_ALPHA; - gltype = GL_UNSIGNED_BYTE; - break; - case COGL_PIXEL_FORMAT_G_8: - glintformat = GL_LUMINANCE; - glformat = GL_LUMINANCE; - gltype = GL_UNSIGNED_BYTE; - break; - - case COGL_PIXEL_FORMAT_RG_88: - if (cogl_has_feature (context, COGL_FEATURE_ID_TEXTURE_RG)) - { - glintformat = GL_RG8; - glformat = GL_RG; - } - else - { - /* If red-green textures aren't supported then we'll use RGB - * as an internal format. Note this should only end up - * mattering for downloading the data because Cogl will - * refuse to allocate a texture with RG components if RG - * textures aren't supported */ - glintformat = GL_RGB; - glformat = GL_RGB; - required_format = COGL_PIXEL_FORMAT_RGB_888; - } - gltype = GL_UNSIGNED_BYTE; - break; - - case COGL_PIXEL_FORMAT_BGRA_8888: - case COGL_PIXEL_FORMAT_BGRA_8888_PRE: - /* There is an extension to support this format */ - if (_cogl_has_private_feature - (context, COGL_PRIVATE_FEATURE_TEXTURE_FORMAT_BGRA8888)) - { - /* For some reason the extension says you have to specify - BGRA for the internal format too */ - glintformat = GL_BGRA_EXT; - glformat = GL_BGRA_EXT; - gltype = GL_UNSIGNED_BYTE; - required_format = format; - break; - } - /* flow through */ - - /* Just one 24-bit ordering supported */ - case COGL_PIXEL_FORMAT_RGB_888: - case COGL_PIXEL_FORMAT_BGR_888: - glintformat = GL_RGB; - glformat = GL_RGB; - gltype = GL_UNSIGNED_BYTE; - required_format = COGL_PIXEL_FORMAT_RGB_888; - break; - - /* Just one 32-bit ordering supported */ - case COGL_PIXEL_FORMAT_RGBA_8888: - case COGL_PIXEL_FORMAT_RGBA_8888_PRE: - case COGL_PIXEL_FORMAT_ARGB_8888: - case COGL_PIXEL_FORMAT_ARGB_8888_PRE: - case COGL_PIXEL_FORMAT_ABGR_8888: - case COGL_PIXEL_FORMAT_ABGR_8888_PRE: - case COGL_PIXEL_FORMAT_RGBA_1010102: - case COGL_PIXEL_FORMAT_RGBA_1010102_PRE: - case COGL_PIXEL_FORMAT_BGRA_1010102: - case COGL_PIXEL_FORMAT_BGRA_1010102_PRE: - case COGL_PIXEL_FORMAT_ABGR_2101010: - case COGL_PIXEL_FORMAT_ABGR_2101010_PRE: - case COGL_PIXEL_FORMAT_ARGB_2101010: - case COGL_PIXEL_FORMAT_ARGB_2101010_PRE: - glintformat = GL_RGBA; - glformat = GL_RGBA; - gltype = GL_UNSIGNED_BYTE; - required_format = COGL_PIXEL_FORMAT_RGBA_8888; - required_format |= (format & COGL_PREMULT_BIT); - break; - - /* The following three types of channel ordering - * are always defined using system word byte - * ordering (even according to GLES spec) */ - case COGL_PIXEL_FORMAT_RGB_565: - glintformat = GL_RGB; - glformat = GL_RGB; - gltype = GL_UNSIGNED_SHORT_5_6_5; - break; - case COGL_PIXEL_FORMAT_RGBA_4444: - case COGL_PIXEL_FORMAT_RGBA_4444_PRE: - glintformat = GL_RGBA; - glformat = GL_RGBA; - gltype = GL_UNSIGNED_SHORT_4_4_4_4; - break; - case COGL_PIXEL_FORMAT_RGBA_5551: - case COGL_PIXEL_FORMAT_RGBA_5551_PRE: - glintformat = GL_RGBA; - glformat = GL_RGBA; - gltype = GL_UNSIGNED_SHORT_5_5_5_1; - break; - - case COGL_PIXEL_FORMAT_DEPTH_16: - glintformat = GL_DEPTH_COMPONENT; - glformat = GL_DEPTH_COMPONENT; - gltype = GL_UNSIGNED_SHORT; - break; - case COGL_PIXEL_FORMAT_DEPTH_32: - glintformat = GL_DEPTH_COMPONENT; - glformat = GL_DEPTH_COMPONENT; - gltype = GL_UNSIGNED_INT; - break; - - case COGL_PIXEL_FORMAT_DEPTH_24_STENCIL_8: - glintformat = GL_DEPTH_STENCIL; - glformat = GL_DEPTH_STENCIL; - gltype = GL_UNSIGNED_INT_24_8; - break; - - case COGL_PIXEL_FORMAT_ANY: - case COGL_PIXEL_FORMAT_YUV: - g_assert_not_reached (); - break; - } - - /* All of the pixel formats are handled above so if this hits then - we've been given an invalid pixel format */ - g_assert (glformat != 0); - - if (out_glintformat != NULL) - *out_glintformat = glintformat; - if (out_glformat != NULL) - *out_glformat = glformat; - if (out_gltype != NULL) - *out_gltype = gltype; - - return required_format; -} - -static CoglBool -_cogl_get_gl_version (CoglContext *ctx, - int *major_out, - int *minor_out) -{ - const char *version_string; - - /* Get the OpenGL version number */ - if ((version_string = _cogl_context_get_gl_version (ctx)) == NULL) - return FALSE; - - if (!g_str_has_prefix (version_string, "OpenGL ES ")) - return FALSE; - - return _cogl_gl_util_parse_gl_version (version_string + 10, - major_out, - minor_out); -} - -static CoglBool -_cogl_driver_update_features (CoglContext *context, - CoglError **error) -{ - unsigned long private_features - [COGL_FLAGS_N_LONGS_FOR_SIZE (COGL_N_PRIVATE_FEATURES)] = { 0 }; - CoglFeatureFlags flags = 0; - char **gl_extensions; - int gl_major, gl_minor; - int i; - - /* We have to special case getting the pointer to the glGetString - function because we need to use it to determine what functions we - can expect */ - context->glGetString = - (void *) _cogl_renderer_get_proc_address (context->display->renderer, - "glGetString", - TRUE); - - gl_extensions = _cogl_context_get_gl_extensions (context); - - if (G_UNLIKELY (COGL_DEBUG_ENABLED (COGL_DEBUG_WINSYS))) - { - char *all_extensions = g_strjoinv (" ", gl_extensions); - - COGL_NOTE (WINSYS, - "Checking features\n" - " GL_VENDOR: %s\n" - " GL_RENDERER: %s\n" - " GL_VERSION: %s\n" - " GL_EXTENSIONS: %s", - context->glGetString (GL_VENDOR), - context->glGetString (GL_RENDERER), - _cogl_context_get_gl_version (context), - all_extensions); - - g_free (all_extensions); - } - - context->glsl_major = 1; - context->glsl_minor = 0; - context->glsl_version_to_use = 100; - - _cogl_gpu_info_init (context, &context->gpu); - - if (!_cogl_get_gl_version (context, &gl_major, &gl_minor)) - { - gl_major = 1; - gl_minor = 1; - } - - _cogl_feature_check_ext_functions (context, - gl_major, - gl_minor, - gl_extensions); - -#ifdef HAVE_COGL_GLES - if (context->driver == COGL_DRIVER_GLES1) - { - int max_clip_planes; - GE( context, glGetIntegerv (GL_MAX_CLIP_PLANES, &max_clip_planes) ); - if (max_clip_planes >= 4) - COGL_FLAGS_SET (private_features, - COGL_PRIVATE_FEATURE_FOUR_CLIP_PLANES, TRUE); - } -#endif - - if (context->driver == COGL_DRIVER_GLES2) - { - flags |= COGL_FEATURE_SHADERS_GLSL | COGL_FEATURE_OFFSCREEN; - /* Note GLES 2 core doesn't support mipmaps for npot textures or - * repeat modes other than CLAMP_TO_EDGE. */ - flags |= COGL_FEATURE_TEXTURE_NPOT_BASIC; - flags |= COGL_FEATURE_DEPTH_RANGE; - COGL_FLAGS_SET (context->features, COGL_FEATURE_ID_GLSL, TRUE); - COGL_FLAGS_SET (context->features, COGL_FEATURE_ID_OFFSCREEN, TRUE); - COGL_FLAGS_SET (context->features, - COGL_FEATURE_ID_TEXTURE_NPOT_BASIC, TRUE); - COGL_FLAGS_SET (context->features, COGL_FEATURE_ID_DEPTH_RANGE, TRUE); - COGL_FLAGS_SET (context->features, - COGL_FEATURE_ID_MIRRORED_REPEAT, TRUE); - COGL_FLAGS_SET (context->features, - COGL_FEATURE_ID_PER_VERTEX_POINT_SIZE, TRUE); - - COGL_FLAGS_SET (private_features, - COGL_PRIVATE_FEATURE_BLEND_CONSTANT, TRUE); - } - else if (context->driver == COGL_DRIVER_GLES1) - { - COGL_FLAGS_SET (private_features, COGL_PRIVATE_FEATURE_GL_FIXED, TRUE); - COGL_FLAGS_SET (private_features, COGL_PRIVATE_FEATURE_ALPHA_TEST, TRUE); - COGL_FLAGS_SET (private_features, - COGL_PRIVATE_FEATURE_BUILTIN_POINT_SIZE_UNIFORM, TRUE); - } - - COGL_FLAGS_SET (private_features, COGL_PRIVATE_FEATURE_VBOS, TRUE); - COGL_FLAGS_SET (private_features, COGL_PRIVATE_FEATURE_ANY_GL, TRUE); - COGL_FLAGS_SET (private_features, COGL_PRIVATE_FEATURE_ALPHA_TEXTURES, TRUE); - - /* Both GLES 1.1 and GLES 2.0 support point sprites in core */ - flags |= COGL_FEATURE_POINT_SPRITE; - COGL_FLAGS_SET (context->features, COGL_FEATURE_ID_POINT_SPRITE, TRUE); - - if (context->glGenRenderbuffers) - { - flags |= COGL_FEATURE_OFFSCREEN; - COGL_FLAGS_SET (context->features, COGL_FEATURE_ID_OFFSCREEN, TRUE); - } - - if (context->glBlitFramebuffer) - COGL_FLAGS_SET (private_features, - COGL_PRIVATE_FEATURE_OFFSCREEN_BLIT, TRUE); - - if (_cogl_check_extension ("GL_OES_element_index_uint", gl_extensions)) - { - flags |= COGL_FEATURE_UNSIGNED_INT_INDICES; - COGL_FLAGS_SET (context->features, - COGL_FEATURE_ID_UNSIGNED_INT_INDICES, TRUE); - } - - if (_cogl_check_extension ("GL_OES_depth_texture", gl_extensions)) - { - flags |= COGL_FEATURE_DEPTH_TEXTURE; - COGL_FLAGS_SET (context->features, COGL_FEATURE_ID_DEPTH_TEXTURE, TRUE); - } - - if (_cogl_check_extension ("GL_OES_texture_npot", gl_extensions)) - { - flags |= (COGL_FEATURE_TEXTURE_NPOT | - COGL_FEATURE_TEXTURE_NPOT_BASIC | - COGL_FEATURE_TEXTURE_NPOT_MIPMAP | - COGL_FEATURE_TEXTURE_NPOT_REPEAT); - COGL_FLAGS_SET (context->features, - COGL_FEATURE_ID_TEXTURE_NPOT, TRUE); - COGL_FLAGS_SET (context->features, - COGL_FEATURE_ID_TEXTURE_NPOT_BASIC, TRUE); - COGL_FLAGS_SET (context->features, - COGL_FEATURE_ID_TEXTURE_NPOT_MIPMAP, TRUE); - COGL_FLAGS_SET (context->features, - COGL_FEATURE_ID_TEXTURE_NPOT_REPEAT, TRUE); - } - else if (_cogl_check_extension ("GL_IMG_texture_npot", gl_extensions)) - { - flags |= (COGL_FEATURE_TEXTURE_NPOT_BASIC | - COGL_FEATURE_TEXTURE_NPOT_MIPMAP); - COGL_FLAGS_SET (context->features, - COGL_FEATURE_ID_TEXTURE_NPOT_BASIC, TRUE); - COGL_FLAGS_SET (context->features, - COGL_FEATURE_ID_TEXTURE_NPOT_MIPMAP, TRUE); - } - - if (context->glTexImage3D) - { - flags |= COGL_FEATURE_TEXTURE_3D; - COGL_FLAGS_SET (context->features, COGL_FEATURE_ID_TEXTURE_3D, TRUE); - } - - if (context->glMapBuffer) - { - /* The GL_OES_mapbuffer extension doesn't support mapping for - read */ - flags |= COGL_FEATURE_MAP_BUFFER_FOR_WRITE; - COGL_FLAGS_SET (context->features, - COGL_FEATURE_ID_MAP_BUFFER_FOR_WRITE, TRUE); - } - - if (context->glMapBufferRange) - { - /* MapBufferRange in ES3+ does support mapping for read */ - flags |= (COGL_FEATURE_MAP_BUFFER_FOR_WRITE | - COGL_FEATURE_MAP_BUFFER_FOR_READ); - COGL_FLAGS_SET(context->features, - COGL_FEATURE_ID_MAP_BUFFER_FOR_WRITE, TRUE); - COGL_FLAGS_SET(context->features, - COGL_FEATURE_ID_MAP_BUFFER_FOR_READ, TRUE); - } - - if (context->glEGLImageTargetTexture2D) - COGL_FLAGS_SET (private_features, - COGL_PRIVATE_FEATURE_TEXTURE_2D_FROM_EGL_IMAGE, TRUE); - - if (_cogl_check_extension ("GL_OES_packed_depth_stencil", gl_extensions)) - COGL_FLAGS_SET (private_features, - COGL_PRIVATE_FEATURE_OES_PACKED_DEPTH_STENCIL, TRUE); - - if (_cogl_check_extension ("GL_EXT_texture_format_BGRA8888", gl_extensions)) - COGL_FLAGS_SET (private_features, - COGL_PRIVATE_FEATURE_TEXTURE_FORMAT_BGRA8888, TRUE); - - if (_cogl_check_extension ("GL_EXT_unpack_subimage", gl_extensions)) - COGL_FLAGS_SET (private_features, - COGL_PRIVATE_FEATURE_UNPACK_SUBIMAGE, TRUE); - - /* A nameless vendor implemented the extension, but got the case wrong - * per the spec. */ - if (_cogl_check_extension ("GL_OES_EGL_sync", gl_extensions) || - _cogl_check_extension ("GL_OES_egl_sync", gl_extensions)) - COGL_FLAGS_SET (private_features, COGL_PRIVATE_FEATURE_OES_EGL_SYNC, TRUE); - - if (_cogl_check_extension ("GL_EXT_texture_rg", gl_extensions)) - COGL_FLAGS_SET (context->features, - COGL_FEATURE_ID_TEXTURE_RG, - TRUE); - - /* Cache features */ - for (i = 0; i < G_N_ELEMENTS (private_features); i++) - context->private_features[i] |= private_features[i]; - context->feature_flags |= flags; - - g_strfreev (gl_extensions); - - return TRUE; -} - -const CoglDriverVtable -_cogl_driver_gles = - { - _cogl_driver_pixel_format_from_gl_internal, - _cogl_driver_pixel_format_to_gl, - _cogl_driver_update_features, - _cogl_offscreen_gl_allocate, - _cogl_offscreen_gl_free, - _cogl_framebuffer_gl_flush_state, - _cogl_framebuffer_gl_clear, - _cogl_framebuffer_gl_query_bits, - _cogl_framebuffer_gl_finish, - _cogl_framebuffer_gl_discard_buffers, - _cogl_framebuffer_gl_draw_attributes, - _cogl_framebuffer_gl_draw_indexed_attributes, - _cogl_framebuffer_gl_read_pixels_into_bitmap, - _cogl_texture_2d_gl_free, - _cogl_texture_2d_gl_can_create, - _cogl_texture_2d_gl_init, - _cogl_texture_2d_gl_allocate, - _cogl_texture_2d_gl_copy_from_framebuffer, - _cogl_texture_2d_gl_get_gl_handle, - _cogl_texture_2d_gl_generate_mipmap, - _cogl_texture_2d_gl_copy_from_bitmap, - NULL, /* texture_2d_get_data */ - _cogl_gl_flush_attributes_state, - _cogl_clip_stack_gl_flush, - _cogl_buffer_gl_create, - _cogl_buffer_gl_destroy, - _cogl_buffer_gl_map_range, - _cogl_buffer_gl_unmap, - _cogl_buffer_gl_set_data, - }; 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