370 lines
11 KiB
C++
370 lines
11 KiB
C++
// Copyright (C) 2008 Christian Stehno
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// Heavily based on the OpenGL driver implemented by Nikolaus Gebhardt
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// This file is part of the "Irrlicht Engine".
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// For conditions of distribution and use, see copyright notice in Irrlicht.h
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#ifndef __C_OGLES_EXTENSION_HANDLER_H_INCLUDED__
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#define __C_OGLES_EXTENSION_HANDLER_H_INCLUDED__
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#include "IrrCompileConfig.h"
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#ifdef _IRR_COMPILE_WITH_OGLES1_
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#include "EDriverFeatures.h"
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#include "irrTypes.h"
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#include "os.h"
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#include "COGLESCommon.h"
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#include "COGLCoreFeature.h"
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namespace irr
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{
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namespace video
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{
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class COGLES1ExtensionHandler
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{
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public:
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enum EOGLES1Features
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{
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IRR_AMD_compressed_3DC_texture = 0, //39
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IRR_AMD_compressed_ATC_texture, //40
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IRR_AMD_performance_monitor, //50
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IRR_AMD_program_binary_Z400, //48
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IRR_ANGLE_framebuffer_blit, // 84
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IRR_ANGLE_framebuffer_multisample, // 85
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IRR_APPLE_copy_texture_levels, // 123
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IRR_APPLE_framebuffer_multisample, // 79
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IRR_APPLE_rgb_422, // 77
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IRR_APPLE_sync, // 124
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IRR_APPLE_texture_2D_limited_npot, // 59
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IRR_APPLE_texture_format_BGRA8888, // 80
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IRR_APPLE_texture_max_level, // 81
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IRR_ARB_texture_env_combine, //ogl, IMG simulator
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IRR_ARB_texture_env_dot3, //ogl, IMG simulator
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IRR_ARM_mali_shader_binary, // 82
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IRR_ARM_rgba8, // 83
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IRR_DMP_shader_binary, // 89
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IRR_EXT_blend_minmax, // 65
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IRR_EXT_discard_framebuffer, // 64
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IRR_EXT_frag_depth, // 87
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IRR_EXT_map_buffer_range, // 121
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IRR_EXT_multisampled_render_to_texture, // 106
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IRR_EXT_multi_draw_arrays, // 69
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IRR_EXT_robustness, // 107
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IRR_EXT_read_format_bgra, // 66
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IRR_EXT_shader_texture_lod, // 78
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IRR_EXT_sRGB, // 105
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IRR_EXT_texture_compression_dxt1, //49
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IRR_EXT_texture_filter_anisotropic, //41
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IRR_EXT_texture_format_BGRA8888, //51
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IRR_EXT_texture_lod_bias, // 60
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IRR_EXT_texture_storage, // 108
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IRR_EXT_texture_type_2_10_10_10_REV, //42
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IRR_IMG_multisampled_render_to_texture, // 75
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IRR_IMG_program_binary, // 67
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IRR_IMG_read_format, //53
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IRR_IMG_shader_binary, // 68
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IRR_IMG_texture_compression_pvrtc, //54
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IRR_IMG_texture_env_enhanced_fixed_function, // 58
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IRR_IMG_texture_format_BGRA8888, // replaced by EXT version
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IRR_IMG_user_clip_plane, // 57, was clip_planes
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IRR_IMG_vertex_program, // non-standard
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IRR_NV_coverage_sample, // 73
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IRR_NV_depth_nonlinear, // 74
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IRR_NV_fence, //52
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IRR_OES_blend_equation_separate, //1
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IRR_OES_blend_func_separate, //2
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IRR_OES_blend_subtract, //3
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IRR_OES_byte_coordinates, //4
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IRR_OES_compressed_ETC1_RGB8_texture, //5
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IRR_OES_compressed_paletted_texture, //6
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IRR_OES_depth24, //24
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IRR_OES_depth32, //25
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IRR_OES_depth_texture, //43
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IRR_OES_draw_texture, //7
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IRR_OES_EGL_image, //23
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IRR_OES_EGL_image_external, // 88
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IRR_OES_EGL_sync, // 76
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IRR_OES_element_index_uint, //26
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IRR_OES_extended_matrix_palette, //8
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IRR_OES_fbo_render_mipmap, //27
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IRR_OES_fixed_point, //9
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IRR_OES_fragment_precision_high, //28
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IRR_OES_framebuffer_object, //10
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IRR_OES_get_program_binary, //47
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IRR_OES_mapbuffer, //29
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IRR_OES_matrix_get, //11
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IRR_OES_matrix_palette, //12
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IRR_OES_packed_depth_stencil, //44
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IRR_OES_point_size_array, //14
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IRR_OES_point_sprite, //15
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IRR_OES_query_matrix, //16
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IRR_OES_read_format, //17
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IRR_OES_required_internalformat, // 115
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IRR_OES_rgb8_rgba8, //30
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IRR_OES_single_precision, //18
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IRR_OES_standard_derivatives, //45
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IRR_OES_stencil1, //31
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IRR_OES_stencil4, //32
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IRR_OES_stencil8, //33
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IRR_OES_stencil_wrap, //19
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IRR_OES_texture_3D, //34
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IRR_OES_texture_cube_map, //20
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IRR_OES_texture_env_crossbar, //21
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IRR_OES_texture_float, //36
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IRR_OES_texture_float_linear, //35
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IRR_OES_texture_half_float, //36
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IRR_OES_texture_half_float_linear, //35
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IRR_OES_texture_mirrored_repeat, //22
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IRR_OES_texture_npot, //37
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IRR_OES_vertex_array_object, // 72
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IRR_OES_vertex_half_float, //38
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IRR_OES_vertex_type_10_10_10_2, //46
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IRR_QCOM_driver_control, //55
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IRR_QCOM_extended_get, // 62
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IRR_QCOM_extended_get2, // 63
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IRR_QCOM_performance_monitor_global_mode, //56
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IRR_QCOM_tiled_rendering, // 71
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IRR_QCOM_writeonly_rendering, // 61
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IRR_SUN_multi_draw_arrays, // 70
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IRR_VIV_shader_binary, // 86
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IRR_OGLES1_Feature_Count
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};
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COGLES1ExtensionHandler();
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void dump() const;
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void initExtensions();
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const COGLCoreFeature& getFeature() const;
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bool queryFeature(video::E_VIDEO_DRIVER_FEATURE feature) const
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{
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switch (feature)
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{
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case EVDF_RENDER_TO_TARGET:
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case EVDF_HARDWARE_TL:
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case EVDF_MULTITEXTURE:
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case EVDF_BILINEAR_FILTER:
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case EVDF_MIP_MAP:
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case EVDF_TEXTURE_NSQUARE:
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case EVDF_STENCIL_BUFFER:
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case EVDF_ALPHA_TO_COVERAGE:
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case EVDF_COLOR_MASK:
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case EVDF_POLYGON_OFFSET:
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case EVDF_TEXTURE_MATRIX:
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return true;
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case EVDF_TEXTURE_NPOT:
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return FeatureAvailable[IRR_APPLE_texture_2D_limited_npot] || FeatureAvailable[IRR_OES_texture_npot];
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case EVDF_MIP_MAP_AUTO_UPDATE:
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return Version>100;
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case EVDF_BLEND_OPERATIONS:
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return FeatureAvailable[IRR_OES_blend_subtract];
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case EVDF_BLEND_SEPARATE:
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return FeatureAvailable[IRR_OES_blend_func_separate];
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case EVDF_FRAMEBUFFER_OBJECT:
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return FeatureAvailable[IRR_OES_framebuffer_object];
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case EVDF_VERTEX_BUFFER_OBJECT:
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return Version>100;
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case EVDF_TEXTURE_COMPRESSED_DXT:
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return false; // NV Tegra need improvements here
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case EVDF_TEXTURE_COMPRESSED_PVRTC:
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return FeatureAvailable[IRR_IMG_texture_compression_pvrtc];
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case EVDF_TEXTURE_COMPRESSED_ETC1:
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return FeatureAvailable[IRR_OES_compressed_ETC1_RGB8_texture];
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case EVDF_TEXTURE_CUBEMAP:
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return FeatureAvailable[IRR_OES_texture_cube_map];
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default:
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return true;
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};
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}
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bool queryOpenGLFeature(EOGLES1Features feature) const
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{
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return FeatureAvailable[feature];
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}
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inline void irrGlActiveTexture(GLenum texture)
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{
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glActiveTexture(texture);
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}
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inline void irrGlCompressedTexImage2D(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLint border,
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GLsizei imageSize, const void* data)
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{
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glCompressedTexImage2D(target, level, internalformat, width, height, border, imageSize, data);
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}
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inline void irrGlCompressedTexSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height,
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GLenum format, GLsizei imageSize, const void* data)
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{
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glCompressedTexSubImage2D(target, level, xoffset, yoffset, width, height, format, imageSize, data);
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}
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inline void irrGlUseProgram(GLuint prog)
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{
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}
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inline void irrGlBindFramebuffer(GLenum target, GLuint framebuffer)
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{
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#ifdef _IRR_OGLES1_USE_EXTPOINTER_
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if (pGlBindFramebufferOES)
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pGlBindFramebufferOES(target, framebuffer);
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#elif defined(GL_OES_framebuffer_object)
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glBindFramebufferOES(target, framebuffer);
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#endif
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}
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inline void irrGlDeleteFramebuffers(GLsizei n, const GLuint *framebuffers)
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{
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#ifdef _IRR_OGLES1_USE_EXTPOINTER_
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if (pGlDeleteFramebuffersOES)
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pGlDeleteFramebuffersOES(n, framebuffers);
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#elif defined(GL_OES_framebuffer_object)
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glDeleteFramebuffersOES(n, framebuffers);
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#endif
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}
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inline void irrGlGenFramebuffers(GLsizei n, GLuint *framebuffers)
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{
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#ifdef _IRR_OGLES1_USE_EXTPOINTER_
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if (pGlGenFramebuffersOES)
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pGlGenFramebuffersOES(n, framebuffers);
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#elif defined(GL_OES_framebuffer_object)
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glGenFramebuffersOES(n, framebuffers);
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#endif
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}
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inline GLenum irrGlCheckFramebufferStatus(GLenum target)
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{
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#ifdef _IRR_OGLES1_USE_EXTPOINTER_
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if (pGlCheckFramebufferStatusOES)
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return pGlCheckFramebufferStatusOES(target);
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else
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return 0;
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#elif defined(GL_OES_framebuffer_object)
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return glCheckFramebufferStatusOES(target);
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#else
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return 0;
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#endif
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}
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inline void irrGlFramebufferTexture2D(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level)
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{
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#ifdef _IRR_OGLES1_USE_EXTPOINTER_
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if (pGlFramebufferTexture2DOES)
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pGlFramebufferTexture2DOES(target, attachment, textarget, texture, level);
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#elif defined(GL_OES_framebuffer_object)
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glFramebufferTexture2DOES(target, attachment, textarget, texture, level);
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#endif
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}
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inline void irrGlGenerateMipmap(GLenum target)
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{
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#ifdef _IRR_OGLES1_USE_EXTPOINTER_
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if (pGlGenerateMipmapOES)
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pGlGenerateMipmapOES(target);
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#elif defined(GL_OES_framebuffer_object)
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glGenerateMipmapOES(target);
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#endif
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}
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inline void irrGlActiveStencilFace(GLenum face)
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{
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}
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inline void irrGlDrawBuffer(GLenum mode)
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{
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}
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inline void irrGlDrawBuffers(GLsizei n, const GLenum *bufs)
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{
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}
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inline void irrGlBlendFuncSeparate(GLenum srcRGB, GLenum dstRGB, GLenum srcAlpha, GLenum dstAlpha)
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{
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#ifdef _IRR_OGLES1_USE_EXTPOINTER_
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if (pGlBlendFuncSeparateOES)
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pGlBlendFuncSeparateOES(srcRGB, dstRGB, srcAlpha, dstAlpha);
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#elif defined(GL_OES_blend_func_separate)
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glBlendFuncSeparateOES(srcRGB, dstRGB, srcAlpha, dstAlpha);
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#endif
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}
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inline void irrGlBlendEquation(GLenum mode)
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{
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#ifdef _IRR_OGLES1_USE_EXTPOINTER_
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if (pGlBlendEquationOES)
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pGlBlendEquationOES(mode);
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#elif defined(GL_OES_blend_subtract)
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glBlendEquationOES(mode);
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#endif
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}
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inline void irrGlEnableIndexed(GLenum target, GLuint index)
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{
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}
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inline void irrGlDisableIndexed(GLenum target, GLuint index)
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{
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}
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inline void irrGlColorMaskIndexed(GLuint buf, GLboolean r, GLboolean g, GLboolean b, GLboolean a)
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{
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}
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inline void irrGlBlendFuncIndexed(GLuint buf, GLenum src, GLenum dst)
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{
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}
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inline void irrGlBlendFuncSeparateIndexed(GLuint buf, GLenum srcRGB, GLenum dstRGB, GLenum srcAlpha, GLenum dstAlpha)
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{
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}
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inline void irrGlBlendEquationIndexed(GLuint buf, GLenum mode)
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{
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}
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inline void irrGlBlendEquationSeparateIndexed(GLuint buf, GLenum modeRGB, GLenum modeAlpha)
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{
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}
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protected:
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COGLCoreFeature Feature;
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u16 Version;
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u8 MaxUserClipPlanes;
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u8 MaxLights;
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u8 MaxAnisotropy;
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u32 MaxIndices;
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u32 MaxTextureSize;
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f32 MaxTextureLODBias;
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//! Minimal and maximal supported thickness for lines without smoothing
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GLfloat DimAliasedLine[2];
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//! Minimal and maximal supported thickness for points without smoothing
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GLfloat DimAliasedPoint[2];
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bool StencilBuffer;
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bool FeatureAvailable[IRR_OGLES1_Feature_Count];
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#if defined(_IRR_OGLES1_USE_EXTPOINTER_)
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PFNGLBLENDEQUATIONOESPROC pGlBlendEquationOES;
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PFNGLBLENDFUNCSEPARATEOESPROC pGlBlendFuncSeparateOES;
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PFNGLBINDFRAMEBUFFEROESPROC pGlBindFramebufferOES;
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PFNGLDELETEFRAMEBUFFERSOESPROC pGlDeleteFramebuffersOES;
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PFNGLGENFRAMEBUFFERSOESPROC pGlGenFramebuffersOES;
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PFNGLCHECKFRAMEBUFFERSTATUSOESPROC pGlCheckFramebufferStatusOES;
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PFNGLFRAMEBUFFERTEXTURE2DOESPROC pGlFramebufferTexture2DOES;
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PFNGLGENERATEMIPMAPOESPROC pGlGenerateMipmapOES;
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#endif
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};
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}
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}
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#endif
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#endif
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