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110 lines
4 KiB
C++
110 lines
4 KiB
C++
// SONIC ROBO BLAST 2
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//-----------------------------------------------------------------------------
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// Copyright (C) 2023 by Ronald "Eidolon" Kinard
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//
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// This program is free software distributed under the
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// terms of the GNU General Public License, version 2.
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// See the 'LICENSE' file for more details.
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//-----------------------------------------------------------------------------
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#include "rhi.hpp"
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#include <exception>
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#include <stdexcept>
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using namespace srb2;
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using namespace srb2::rhi;
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Rhi::~Rhi() = default;
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const ProgramRequirements srb2::rhi::kProgramRequirementsUnshaded = {
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ProgramVertexInputRequirements {
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{ProgramVertexInput {VertexAttributeName::kPosition, VertexAttributeFormat::kFloat3, true},
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ProgramVertexInput {VertexAttributeName::kTexCoord0, VertexAttributeFormat::kFloat2, false},
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ProgramVertexInput {VertexAttributeName::kColor, VertexAttributeFormat::kFloat4, false}}},
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ProgramUniformRequirements {
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{{{{UniformName::kProjection, true}}},
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{{{UniformName::kModelView, true}, {UniformName::kTexCoord0Transform, true}}}}},
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ProgramSamplerRequirements {{{SamplerName::kSampler0, true}}}};
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const ProgramRequirements srb2::rhi::kProgramRequirementsUnshadedPaletted = {
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ProgramVertexInputRequirements {
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{ProgramVertexInput {VertexAttributeName::kPosition, VertexAttributeFormat::kFloat3, true},
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ProgramVertexInput {VertexAttributeName::kTexCoord0, VertexAttributeFormat::kFloat2, false},
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ProgramVertexInput {VertexAttributeName::kColor, VertexAttributeFormat::kFloat4, false}}},
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ProgramUniformRequirements {
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{{{{UniformName::kProjection, true}}},
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{{{UniformName::kModelView, true},
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{UniformName::kTexCoord0Transform, true},
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{UniformName::kSampler0IsIndexedAlpha, false}}}}},
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ProgramSamplerRequirements {
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{{SamplerName::kSampler0, true}, {SamplerName::kSampler1, true}, {SamplerName::kSampler2, false}}}};
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const ProgramRequirements srb2::rhi::kProgramRequirementsPostprocessWipe = {
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ProgramVertexInputRequirements {
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{ProgramVertexInput {VertexAttributeName::kPosition, VertexAttributeFormat::kFloat3, true},
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ProgramVertexInput {VertexAttributeName::kTexCoord0, VertexAttributeFormat::kFloat2, true}}},
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ProgramUniformRequirements {
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{{{{UniformName::kProjection, true},
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{UniformName::kWipeColorizeMode, true},
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{UniformName::kWipeEncoreSwizzle, true}}}}},
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ProgramSamplerRequirements {{{SamplerName::kSampler0, true}, {SamplerName::kSampler1, true}, {SamplerName::kSampler2, true}}}};
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const ProgramRequirements srb2::rhi::kProgramRequirementsPostimg = {
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ProgramVertexInputRequirements {
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{ProgramVertexInput {VertexAttributeName::kPosition, VertexAttributeFormat::kFloat3, true},
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ProgramVertexInput {VertexAttributeName::kTexCoord0, VertexAttributeFormat::kFloat2, true}}},
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ProgramUniformRequirements {
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{{
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{UniformName::kTime, true},
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{UniformName::kProjection, true},
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{UniformName::kModelView, true},
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{UniformName::kTexCoord0Transform, true},
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{UniformName::kTexCoord0Min, true},
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{UniformName::kTexCoord0Max, true},
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{UniformName::kPostimgWater, true},
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{UniformName::kPostimgHeat, true}}}},
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ProgramSamplerRequirements {{{SamplerName::kSampler0, true}, {SamplerName::kSampler1, false}}}
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};
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const ProgramRequirements& rhi::program_requirements_for_program(PipelineProgram program) noexcept
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{
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switch (program)
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{
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case PipelineProgram::kUnshaded:
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return kProgramRequirementsUnshaded;
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case PipelineProgram::kUnshadedPaletted:
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return kProgramRequirementsUnshadedPaletted;
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case PipelineProgram::kPostprocessWipe:
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return kProgramRequirementsPostprocessWipe;
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case PipelineProgram::kPostimg:
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return kProgramRequirementsPostimg;
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default:
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std::terminate();
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}
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}
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bool rhi::recreate_buffer_to_size(Rhi& rhi, Handle<Buffer>& buffer, const BufferDesc& desc)
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{
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bool recreate = false;
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if (buffer == kNullHandle)
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{
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recreate = true;
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}
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else
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{
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std::size_t existing_size = rhi.get_buffer_size(buffer);
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if (existing_size < desc.size)
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{
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rhi.destroy_buffer(buffer);
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recreate = true;
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}
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}
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if (recreate)
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{
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buffer = rhi.create_buffer(desc);
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}
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return recreate;
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}
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