diff options
Diffstat (limited to 'src/mbgl/gl/context.cpp')
| -rw-r--r-- | src/mbgl/gl/context.cpp | 31 |
1 files changed, 27 insertions, 4 deletions
diff --git a/src/mbgl/gl/context.cpp b/src/mbgl/gl/context.cpp index b6244d58c7..f40cfa1f2c 100644 --- a/src/mbgl/gl/context.cpp +++ b/src/mbgl/gl/context.cpp @@ -60,6 +60,16 @@ static_assert(std::is_same<std::underlying_type_t<TextureFormat>, GLenum>::value static_assert(underlying_type(TextureFormat::RGBA) == GL_RGBA, "OpenGL type mismatch"); static_assert(underlying_type(TextureFormat::Alpha) == GL_ALPHA, "OpenGL type mismatch"); +static_assert(std::is_same<std::underlying_type_t<TextureType>, GLenum>::value, "OpenGL type mismatch"); +static_assert(underlying_type(TextureType::UnsignedByte) == GL_UNSIGNED_BYTE, "OpenGL type mismatch"); + +#if MBGL_USE_GLES2 && GL_HALF_FLOAT_OES +static_assert(underlying_type(TextureType::HalfFloat) == GL_HALF_FLOAT_OES, "OpenGL type mismatch"); +#endif +#if !MBGL_USE_GLES2 && GL_HALF_FLOAT_ARB +static_assert(underlying_type(TextureType::HalfFloat) == GL_HALF_FLOAT_ARB, "OpenGL type mismatch"); +#endif + static_assert(underlying_type(UniformDataType::Float) == GL_FLOAT, "OpenGL type mismatch"); static_assert(underlying_type(UniformDataType::FloatVec2) == GL_FLOAT_VEC2, "OpenGL type mismatch"); static_assert(underlying_type(UniformDataType::FloatVec3) == GL_FLOAT_VEC3, "OpenGL type mismatch"); @@ -116,6 +126,19 @@ void Context::initializeExtensions(const std::function<gl::ProcAddress(const cha programBinary = std::make_unique<extension::ProgramBinary>(fn); #endif +#if MBGL_USE_GLES2 + constexpr const char* halfFloatExtensionName = "OES_texture_half_float"; + constexpr const char* halfFloatColorBufferExtensionName = "EXT_color_buffer_half_float"; +#else + constexpr const char* halfFloatExtensionName = "ARB_half_float_pixel"; + constexpr const char* halfFloatColorBufferExtensionName = "ARB_color_buffer_float"; +#endif + if (strstr(extensions, halfFloatExtensionName) != nullptr && + strstr(extensions, halfFloatColorBufferExtensionName) != nullptr) { + + supportsHalfFloatTextures = true; + } + if (!supportsVertexArrays()) { Log::Warning(Event::OpenGL, "Not using Vertex Array Objects"); } @@ -491,10 +514,10 @@ Context::createFramebuffer(const Texture& color, } UniqueTexture -Context::createTexture(const Size size, const void* data, TextureFormat format, TextureUnit unit) { +Context::createTexture(const Size size, const void* data, TextureFormat format, TextureUnit unit, TextureType type) { auto obj = createTexture(); pixelStoreUnpack = { 1 }; - updateTexture(obj, size, data, format, unit); + updateTexture(obj, size, data, format, unit, type); // We are using clamp to edge here since OpenGL ES doesn't allow GL_REPEAT on NPOT textures. // We use those when the pixelRatio isn't a power of two, e.g. on iPhone 6 Plus. MBGL_CHECK_ERROR(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE)); @@ -505,11 +528,11 @@ Context::createTexture(const Size size, const void* data, TextureFormat format, } void Context::updateTexture( - TextureID id, const Size size, const void* data, TextureFormat format, TextureUnit unit) { + TextureID id, const Size size, const void* data, TextureFormat format, TextureUnit unit, TextureType type) { activeTextureUnit = unit; texture[unit] = id; MBGL_CHECK_ERROR(glTexImage2D(GL_TEXTURE_2D, 0, static_cast<GLenum>(format), size.width, - size.height, 0, static_cast<GLenum>(format), GL_UNSIGNED_BYTE, + size.height, 0, static_cast<GLenum>(format), static_cast<GLenum>(type), data)); } |