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#include "drape_frontend/area_shape.hpp"
#include "drape/shader_def.hpp"
#include "drape/glstate.hpp"
#include "drape/batcher.hpp"
#include "drape/attribute_provider.hpp"
#include "drape/texture_manager.hpp"
#include "drape/utils/vertex_decl.hpp"
#include "base/buffer_vector.hpp"
#include "base/logging.hpp"
#include "std/algorithm.hpp"
namespace df
{
AreaShape::AreaShape(vector<m2::PointF> && triangleList, AreaViewParams const & params)
: m_vertexes(triangleList)
, m_params(params)
{
}
void AreaShape::Draw(dp::RefPointer<dp::Batcher> batcher, dp::RefPointer<dp::TextureManager> textures) const
{
dp::TextureManager::ColorRegion region;
textures->GetColorRegion(m_params.m_color, region);
glsl::vec2 const colorPoint = glsl::ToVec2(region.GetTexRect().Center());
buffer_vector<gpu::SolidTexturingVertex, 128> vertexes;
vertexes.resize(m_vertexes.size());
transform(m_vertexes.begin(), m_vertexes.end(), vertexes.begin(), [&colorPoint, this](m2::PointF const & vertex)
{
return gpu::SolidTexturingVertex(glsl::vec3(glsl::ToVec2(vertex), m_params.m_depth),
glsl::vec2(0.0, 0.0),
colorPoint);
});
dp::GLState state(gpu::TEXTURING_PROGRAM, dp::GLState::GeometryLayer);
state.SetColorTexture(region.GetTexture());
dp::AttributeProvider provider(1, m_vertexes.size());
provider.InitStream(0, gpu::SolidTexturingVertex::GetBindingInfo(), dp::MakeStackRefPointer<void>(vertexes.data()));
batcher->InsertTriangleList(state, dp::MakeStackRefPointer(&provider));
}
} // namespace df
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