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#include <mbgl/renderer/render_static_data.hpp>
#include <mbgl/gfx/context.hpp>
#include <mbgl/gfx/upload_pass.hpp>
#include <mbgl/programs/program_parameters.hpp>
namespace mbgl {
static gfx::VertexVector<gfx::Vertex<PositionOnlyLayoutAttributes>> tileVertices() {
gfx::VertexVector<gfx::Vertex<PositionOnlyLayoutAttributes>> result;
result.emplace_back(gfx::Vertex<PositionOnlyLayoutAttributes>({{{ 0, 0 }}}));
result.emplace_back(gfx::Vertex<PositionOnlyLayoutAttributes>({{{ util::EXTENT, 0 }}}));
result.emplace_back(gfx::Vertex<PositionOnlyLayoutAttributes>({{{ 0, util::EXTENT }}}));
result.emplace_back(gfx::Vertex<PositionOnlyLayoutAttributes>({{{ util::EXTENT, util::EXTENT }}}));
return result;
}
static gfx::IndexVector<gfx::Triangles> quadTriangleIndices() {
gfx::IndexVector<gfx::Triangles> result;
result.emplace_back(0, 1, 2);
result.emplace_back(1, 2, 3);
return result;
}
static gfx::IndexVector<gfx::LineStrip> tileLineStripIndices() {
gfx::IndexVector<gfx::LineStrip> result;
result.emplace_back(0);
result.emplace_back(1);
result.emplace_back(3);
result.emplace_back(2);
result.emplace_back(0);
return result;
}
static gfx::VertexVector<RasterLayoutVertex> rasterVertices() {
gfx::VertexVector<RasterLayoutVertex> result;
result.emplace_back(RasterProgram::layoutVertex({ 0, 0 }, { 0, 0 }));
result.emplace_back(RasterProgram::layoutVertex({ util::EXTENT, 0 }, { util::EXTENT, 0 }));
result.emplace_back(RasterProgram::layoutVertex({ 0, util::EXTENT }, { 0, util::EXTENT }));
result.emplace_back(RasterProgram::layoutVertex({ util::EXTENT, util::EXTENT }, { util::EXTENT, util::EXTENT }));
return result;
}
static gfx::VertexVector<HeatmapTextureLayoutVertex> heatmapTextureVertices() {
gfx::VertexVector<HeatmapTextureLayoutVertex> result;
result.emplace_back(HeatmapTextureProgram::layoutVertex({ 0, 0 }));
result.emplace_back(HeatmapTextureProgram::layoutVertex({ 1, 0 }));
result.emplace_back(HeatmapTextureProgram::layoutVertex({ 0, 1 }));
result.emplace_back(HeatmapTextureProgram::layoutVertex({ 1, 1 }));
return result;
}
RenderStaticData::RenderStaticData(gfx::Context& context, float pixelRatio)
: programs(context, ProgramParameters { pixelRatio, false })
#ifndef NDEBUG
, overdrawPrograms(context, ProgramParameters { pixelRatio, true })
#endif
{
tileTriangleSegments.emplace_back(0, 0, 4, 6);
tileBorderSegments.emplace_back(0, 0, 4, 5);
rasterSegments.emplace_back(0, 0, 4, 6);
heatmapTextureSegments.emplace_back(0, 0, 4, 6);
}
void RenderStaticData::upload(gfx::UploadPass& uploadPass) {
if (!uploaded) {
tileVertexBuffer = uploadPass.createVertexBuffer(tileVertices());
rasterVertexBuffer = uploadPass.createVertexBuffer(rasterVertices());
heatmapTextureVertexBuffer = uploadPass.createVertexBuffer(heatmapTextureVertices());
quadTriangleIndexBuffer = uploadPass.createIndexBuffer(quadTriangleIndices());
tileBorderIndexBuffer = uploadPass.createIndexBuffer(tileLineStripIndices());
uploaded = true;
}
}
} // namespace mbgl
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