82ec59a2b0
Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: Alex Cristici <alex.cristici@gmail.com> Co-authored-by: mwilsnd <mwilsnd@gmail.com> Co-authored-by: Stefan Karschti <stefan.karschti@gmail.com> Co-authored-by: Bart Louwers <bart@emeel.net> Co-authored-by: Alex Cristici <alex@skoon.energy> Co-authored-by: Bart Louwers <bart.louwers@gmail.com> Co-authored-by: Wei Chen <alanchenboy@gmail.com> Co-authored-by: Siarhei Fedartsou <siarhei.fedartsou@gmail.com> Co-authored-by: tdcosta100 <tdcosta100@gmail.com>
74 lines
2.5 KiB
C++
74 lines
2.5 KiB
C++
#include <mbgl/programs/program_parameters.hpp>
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#include <mbgl/util/string.hpp>
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#include <string_view>
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#include <stdexcept>
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namespace mbgl {
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ProgramParameters::ProgramParameters(const float pixelRatio, const bool overdraw)
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: defines(2) {
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defines["DEVICE_PIXEL_RATIO"] = util::toString(pixelRatio, true);
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if (overdraw) {
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defines["OVERDRAW_INSPECTOR"] = std::string();
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}
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}
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ProgramParameters ProgramParameters::withShaderSource(const ProgramSource& source) const noexcept {
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assert(gfx::Backend::Type::TYPE_MAX != source.backend);
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ProgramParameters params = *this;
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params.userSources[static_cast<size_t>(source.backend)] = source;
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return params;
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}
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ProgramParameters ProgramParameters::withDefaultSource(const ProgramSource& source) const noexcept {
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assert(gfx::Backend::Type::TYPE_MAX != source.backend);
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ProgramParameters params = *this;
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params.defaultSources[static_cast<size_t>(source.backend)] = source;
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return params;
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}
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const std::string& ProgramParameters::getDefinesString() const {
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if (definesStr.empty() && !defines.empty()) {
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definesStr.assign(defines.size() * 32, '\0');
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definesStr.clear();
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for (const auto& pair : defines) {
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definesStr.append("#define ").append(pair.first);
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if (!pair.second.empty()) {
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definesStr.append(" ").append(pair.second);
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}
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definesStr.append("\n");
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}
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}
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return definesStr;
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}
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const std::string& ProgramParameters::vertexSource(gfx::Backend::Type backend) const {
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assert(gfx::Backend::Type::TYPE_MAX != backend);
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if (userSources[static_cast<size_t>(backend)].vertex.length() > 0) {
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return userSources[static_cast<size_t>(backend)].vertex;
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} else if (defaultSources[static_cast<size_t>(backend)].vertex.length() > 0) {
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return defaultSources[static_cast<size_t>(backend)].vertex;
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} else {
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throw std::runtime_error("No vertex shader source provided for selected backend!");
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}
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}
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const std::string& ProgramParameters::fragmentSource(gfx::Backend::Type backend) const {
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assert(gfx::Backend::Type::TYPE_MAX != backend);
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if (userSources[static_cast<size_t>(backend)].fragment.length() > 0) {
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return userSources[static_cast<size_t>(backend)].fragment;
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} else if (defaultSources[static_cast<size_t>(backend)].fragment.length() > 0) {
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return defaultSources[static_cast<size_t>(backend)].fragment;
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} else {
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throw std::runtime_error("No fragment shader source provided for selected backend!");
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}
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}
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} // namespace mbgl
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