diff options
Diffstat (limited to 'src/mbgl/gl/context.cpp')
| -rw-r--r-- | src/mbgl/gl/context.cpp | 112 |
1 files changed, 110 insertions, 2 deletions
diff --git a/src/mbgl/gl/context.cpp b/src/mbgl/gl/context.cpp index 0d67164870..3c1b5e45ae 100644 --- a/src/mbgl/gl/context.cpp +++ b/src/mbgl/gl/context.cpp @@ -1,4 +1,6 @@ #include <mbgl/gl/context.hpp> +#include <mbgl/gl/gl.hpp> +#include <mbgl/util/traits.hpp> namespace mbgl { namespace gl { @@ -11,10 +13,116 @@ static_assert(std::is_same<VertexArrayID, GLuint>::value, "OpenGL type mismatch" static_assert(std::is_same<FramebufferID, GLuint>::value, "OpenGL type mismatch"); static_assert(std::is_same<RenderbufferID, GLuint>::value, "OpenGL type mismatch"); +static_assert(std::is_same<StencilValue, GLint>::value, "OpenGL type mismatch"); +static_assert(std::is_same<StencilMaskValue, GLuint>::value, "OpenGL type mismatch"); + +static_assert(underlying_type(StencilTestFunction::Never) == GL_NEVER, "OpenGL enum mismatch"); +static_assert(underlying_type(StencilTestFunction::Less) == GL_LESS, "OpenGL enum mismatch"); +static_assert(underlying_type(StencilTestFunction::Equal) == GL_EQUAL, "OpenGL enum mismatch"); +static_assert(underlying_type(StencilTestFunction::LessEqual) == GL_LEQUAL, "OpenGL enum mismatch"); +static_assert(underlying_type(StencilTestFunction::Greater) == GL_GREATER, "OpenGL enum mismatch"); +static_assert(underlying_type(StencilTestFunction::NotEqual) == GL_NOTEQUAL, "OpenGL enum mismatch"); +static_assert(underlying_type(StencilTestFunction::GreaterEqual) == GL_GEQUAL, "OpenGL enum mismatch"); +static_assert(underlying_type(StencilTestFunction::Always) == GL_ALWAYS, "OpenGL enum mismatch"); + +static_assert(underlying_type(StencilTestOperation::Keep) == GL_KEEP, "OpenGL enum mismatch"); +static_assert(underlying_type(StencilTestOperation::Zero) == GL_ZERO, "OpenGL enum mismatch"); +static_assert(underlying_type(StencilTestOperation::Replace) == GL_REPLACE, "OpenGL enum mismatch"); +static_assert(underlying_type(StencilTestOperation::Increment) == GL_INCR, "OpenGL enum mismatch"); +static_assert(underlying_type(StencilTestOperation::IncrementWrap) == GL_INCR_WRAP, "OpenGL enum mismatch"); +static_assert(underlying_type(StencilTestOperation::Decrement) == GL_DECR, "OpenGL enum mismatch"); +static_assert(underlying_type(StencilTestOperation::DecrementWrap) == GL_DECR_WRAP, "OpenGL enum mismatch"); +static_assert(underlying_type(StencilTestOperation::Invert) == GL_INVERT, "OpenGL enum mismatch"); + +static_assert(underlying_type(DepthTestFunction::Never) == GL_NEVER, "OpenGL enum mismatch"); +static_assert(underlying_type(DepthTestFunction::Less) == GL_LESS, "OpenGL enum mismatch"); +static_assert(underlying_type(DepthTestFunction::Equal) == GL_EQUAL, "OpenGL enum mismatch"); +static_assert(underlying_type(DepthTestFunction::LessEqual) == GL_LEQUAL, "OpenGL enum mismatch"); +static_assert(underlying_type(DepthTestFunction::Greater) == GL_GREATER, "OpenGL enum mismatch"); +static_assert(underlying_type(DepthTestFunction::NotEqual) == GL_NOTEQUAL, "OpenGL enum mismatch"); +static_assert(underlying_type(DepthTestFunction::GreaterEqual) == GL_GEQUAL, "OpenGL enum mismatch"); +static_assert(underlying_type(DepthTestFunction::Always) == GL_ALWAYS, "OpenGL enum mismatch"); + +static_assert(underlying_type(BlendSourceFactor::Zero) == GL_ZERO, "OpenGL enum mismatch"); +static_assert(underlying_type(BlendSourceFactor::One) == GL_ONE, "OpenGL enum mismatch"); +static_assert(underlying_type(BlendSourceFactor::SrcColor) == GL_SRC_COLOR, "OpenGL enum mismatch"); +static_assert(underlying_type(BlendSourceFactor::OneMinusSrcColor) == GL_ONE_MINUS_SRC_COLOR, "OpenGL enum mismatch"); +static_assert(underlying_type(BlendSourceFactor::DstColor) == GL_DST_COLOR, "OpenGL enum mismatch"); +static_assert(underlying_type(BlendSourceFactor::OneMinusDstColor) == GL_ONE_MINUS_DST_COLOR, "OpenGL enum mismatch"); +static_assert(underlying_type(BlendSourceFactor::SrcAlpha) == GL_SRC_ALPHA, "OpenGL enum mismatch"); +static_assert(underlying_type(BlendSourceFactor::OneMinusSrcAlpha) == GL_ONE_MINUS_SRC_ALPHA, "OpenGL enum mismatch"); +static_assert(underlying_type(BlendSourceFactor::DstAlpha) == GL_DST_ALPHA, "OpenGL enum mismatch"); +static_assert(underlying_type(BlendSourceFactor::OneMinusDstAlpha) == GL_ONE_MINUS_DST_ALPHA, "OpenGL enum mismatch"); +static_assert(underlying_type(BlendSourceFactor::ConstantColor) == GL_CONSTANT_COLOR, "OpenGL enum mismatch"); +static_assert(underlying_type(BlendSourceFactor::OneMinusConstantColor) == GL_ONE_MINUS_CONSTANT_COLOR, "OpenGL enum mismatch"); +static_assert(underlying_type(BlendSourceFactor::ConstantAlpha) == GL_CONSTANT_ALPHA, "OpenGL enum mismatch"); +static_assert(underlying_type(BlendSourceFactor::OneMinusConstantAlpha) == GL_ONE_MINUS_CONSTANT_ALPHA, "OpenGL enum mismatch"); +static_assert(underlying_type(BlendSourceFactor::SrcAlphaSaturate) == GL_SRC_ALPHA_SATURATE, "OpenGL enum mismatch"); + +static_assert(underlying_type(BlendDestinationFactor::Zero) == GL_ZERO, "OpenGL enum mismatch"); +static_assert(underlying_type(BlendDestinationFactor::One) == GL_ONE, "OpenGL enum mismatch"); +static_assert(underlying_type(BlendDestinationFactor::SrcColor) == GL_SRC_COLOR, "OpenGL enum mismatch"); +static_assert(underlying_type(BlendDestinationFactor::OneMinusSrcColor) == GL_ONE_MINUS_SRC_COLOR, "OpenGL enum mismatch"); +static_assert(underlying_type(BlendDestinationFactor::DstColor) == GL_DST_COLOR, "OpenGL enum mismatch"); +static_assert(underlying_type(BlendDestinationFactor::OneMinusDstColor) == GL_ONE_MINUS_DST_COLOR, "OpenGL enum mismatch"); +static_assert(underlying_type(BlendDestinationFactor::SrcAlpha) == GL_SRC_ALPHA, "OpenGL enum mismatch"); +static_assert(underlying_type(BlendDestinationFactor::OneMinusSrcAlpha) == GL_ONE_MINUS_SRC_ALPHA, "OpenGL enum mismatch"); +static_assert(underlying_type(BlendDestinationFactor::DstAlpha) == GL_DST_ALPHA, "OpenGL enum mismatch"); +static_assert(underlying_type(BlendDestinationFactor::OneMinusDstAlpha) == GL_ONE_MINUS_DST_ALPHA, "OpenGL enum mismatch"); +static_assert(underlying_type(BlendDestinationFactor::ConstantColor) == GL_CONSTANT_COLOR, "OpenGL enum mismatch"); +static_assert(underlying_type(BlendDestinationFactor::OneMinusConstantColor) == GL_ONE_MINUS_CONSTANT_COLOR, "OpenGL enum mismatch"); +static_assert(underlying_type(BlendDestinationFactor::ConstantAlpha) == GL_CONSTANT_ALPHA, "OpenGL enum mismatch"); +static_assert(underlying_type(BlendDestinationFactor::OneMinusConstantAlpha) == GL_ONE_MINUS_CONSTANT_ALPHA, "OpenGL enum mismatch"); + Context::~Context() { reset(); } +UniqueProgram Context::createProgram() { + return UniqueProgram{ MBGL_CHECK_ERROR(glCreateProgram()), { this } }; +} + +UniqueShader Context::createVertexShader() { + return UniqueShader{ MBGL_CHECK_ERROR(glCreateShader(GL_VERTEX_SHADER)), { this } }; +} + +UniqueShader Context::createFragmentShader() { + return UniqueShader{ MBGL_CHECK_ERROR(glCreateShader(GL_FRAGMENT_SHADER)), { this } }; +} + +UniqueBuffer Context::createBuffer() { + BufferID id = 0; + MBGL_CHECK_ERROR(glGenBuffers(1, &id)); + return UniqueBuffer{ std::move(id), { this } }; +} + +UniqueTexture Context::createTexture() { + if (pooledTextures.empty()) { + pooledTextures.resize(TextureMax); + MBGL_CHECK_ERROR(glGenTextures(TextureMax, pooledTextures.data())); + } + + TextureID id = pooledTextures.back(); + pooledTextures.pop_back(); + return UniqueTexture{ std::move(id), { this } }; +} + +UniqueVertexArray Context::createVertexArray() { + VertexArrayID id = 0; + MBGL_CHECK_ERROR(gl::GenVertexArrays(1, &id)); + return UniqueVertexArray{ std::move(id), { this } }; +} + +UniqueFramebuffer Context::createFramebuffer() { + FramebufferID id = 0; + MBGL_CHECK_ERROR(glGenFramebuffers(1, &id)); + return UniqueFramebuffer{ std::move(id), { this } }; +} + +void Context::uploadBuffer(BufferType type, size_t size, void* data) { + MBGL_CHECK_ERROR(glBufferData(static_cast<GLenum>(type), size, data, GL_STATIC_DRAW)); +} + void Context::reset() { std::copy(pooledTextures.begin(), pooledTextures.end(), std::back_inserter(abandonedTextures)); pooledTextures.resize(0); @@ -45,10 +153,10 @@ void applyStateFunction(Context& context, Fn&& fn) { fn(context.activeTexture); fn(context.bindFramebuffer); fn(context.viewport); -#ifndef GL_ES_VERSION_2_0 +#if not MBGL_USE_GLES2 fn(context.pixelZoom); fn(context.rasterPos); -#endif // GL_ES_VERSION_2_0 +#endif // MBGL_USE_GLES2 for (auto& tex : context.texture) { fn(tex); } |