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First working example

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This commit is contained in:
Dominic Masters
2023-05-29 19:50:04 -07:00
parent 96dd33c6b8
commit 8da23b123a
21 changed files with 263 additions and 161 deletions
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39
src/dawn/display/RenderPipeline.cpp
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@ -93,6 +93,8 @@ void RenderPipeline::init() {
// 0.0f
// );
// glyphMesh.draw(MESH_DRAW_MODE_TRIANGLES, 0, -1);
this->shaderBuffer.init();
}
void RenderPipeline::render() {
@ -167,6 +169,11 @@ void RenderPipeline::renderSceneCamera(Scene *scene, Camera *camera) {
assertNotNull(renderTarget);
// Update shader parameter buffers with current knowledge
struct RenderPipelineShaderBufferData shaderBufferData;
shaderBufferData.projection = camera->getProjection();
shaderBufferData.view = camera->transform->getWorldTransform();
this->shaderBuffer.buffer(&shaderBufferData);
this->camera = camera;
// Get the list of things to render first.
@ -219,6 +226,9 @@ void RenderPipeline::renderSceneCamera(Scene *scene, Camera *camera) {
// Now we've sorted everything! Let's actually start rendering.
Shader *boundShader = nullptr;
std::map<textureslot_t, Texture*> boundTextures;
std::map<shaderbufferlocation_t, shaderbufferslot_t> locationSlotMap;
std::map<IShaderParameterBuffer<shaderbufferlocation_t>*, shaderbufferslot_t> bufferSlotMap;
shaderbufferslot_t globalSlot = 0;
// TODO: This will be editable!
renderTarget->bind();
@ -251,6 +261,29 @@ void RenderPipeline::renderSceneCamera(Scene *scene, Camera *camera) {
++itTextureSlot;
}
// Bind the buffers to their slots
auto itBufferSlot = item.parameterBuffers.begin();
while(itBufferSlot != item.parameterBuffers.end()) {
// First check if buffer is already bound
auto location = itBufferSlot->first;
auto buff = itBufferSlot->second;
// auto existingBind = bufferSlotMap.find(buff);
shaderbufferslot_t slot;
// if(existingBind == bufferSlotMap.end()) {
// Not bound, let's find a slot we can use!
// slot = -1;
slot = globalSlot++;
// } else {
// // Already bound
// slot = existingBind->second;
// }
buff->bind(slot);
locationSlotMap[itBufferSlot->first] = slot;
++itBufferSlot;
}
// Now set each of the parameters. Nothing exciting here.
auto itColors = item.colorValues.begin();
while(itColors != item.colorValues.end()) {
@ -282,6 +315,12 @@ void RenderPipeline::renderSceneCamera(Scene *scene, Camera *camera) {
++itText;
}
auto itBuffer = item.parameterBuffers.begin();
while(itBuffer != item.parameterBuffers.end()) {
item.shader->setParameterBuffer(itBuffer->first, locationSlotMap[itBuffer->first]);
++itBuffer;
}
auto itFloat = item.floatValues.begin();
while(itFloat != item.floatValues.end()) {
item.shader->setFloat(itFloat->first, itFloat->second);

2
src/dawn/display/RenderPipeline.hpp
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@ -10,6 +10,7 @@
#include "scene/components/scene/SubSceneController.hpp"
#include "scene/components/ui/UIComponent.hpp"
#include "display/shader/ShaderPass.hpp"
#include "display/shader/buffers/RenderPipelineShaderBuffer.hpp"
namespace Dawn {
class RenderManager;
@ -23,6 +24,7 @@ namespace Dawn {
// Temporary hack
Camera *camera = nullptr;
RenderPipelineShaderBuffer shaderBuffer;
/**
* Constructs a new RenderPipeline. Render Pipelines are my attempt to

2
src/dawn/display/shader/ShaderPass.hpp
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@ -6,6 +6,7 @@
#pragma once
#include "display/shader/Shader.hpp"
#include "display/mesh/Mesh.hpp"
#include "display/shader/ShaderParameterBuffer.hpp"
namespace Dawn {
struct ShaderPassItem {
@ -26,6 +27,7 @@ namespace Dawn {
std::map<shaderparameter_t, glm::vec3> vec3Values;
std::map<shaderparameter_t, textureslot_t> textureValues;
std::map<shaderparameter_t, float_t> floatValues;
std::map<shaderbufferlocation_t, IShaderParameterBuffer<shaderbufferslot_t>*> parameterBuffers;
// Textures
std::map<textureslot_t, Texture*> textureSlots;

10
src/dawn/display/shader/_ShaderParameterBuffer.hpp
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@ -7,7 +7,7 @@
#include "dawnlibs.hpp"
namespace Dawn {
template<typename T, typename L>
template<typename L>
class IShaderParameterBuffer {
public:
/**
@ -15,14 +15,6 @@ namespace Dawn {
*/
virtual void init() = 0;
/**
* Basic buffer method. Buffers the entire contents of the data struct to
* this shader parameter buffer.
*
* @param data Data to buffer to the parameter.
*/
virtual void buffer(T *data) = 0;
/**
* Bind this shader buffer to the supplied location.
*

2
src/dawn/scene/debug/SceneDebugLine.cpp
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@ -4,7 +4,7 @@
// https://opensource.org/licenses/MIT
#include "SceneDebugLine.hpp"
#include "display/shader/SimpleTexturedShader.hpp"
#include "display/shader/shaders/SimpleTexturedShader.hpp"
#include "scene/components/display/Camera.hpp"
#include "scene/Scene.hpp"
#include "scene/components/physics/3d/Collider3D.hpp"

48
src/dawnliminal/scenes/HelloWorldScene.hpp
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@ -27,33 +27,33 @@ namespace Dawn {
camera = Camera::create(this);
camera->transform->lookAt(glm::vec3(3, 3, 3), glm::vec3(0, 0, 0));
// cube = SimpleSpinningCubePrefab::create(this);
cube = SimpleSpinningCubePrefab::create(this);
item = this->createSceneItem();
auto meshRenderer = item->addComponent<MeshRenderer>();
auto quadMeshHost = item->addComponent<QuadMeshHost>();
auto material = item->addComponent<SimpleTexturedMaterial>();
// item = this->createSceneItem();
// auto meshRenderer = item->addComponent<MeshRenderer>();
// auto quadMeshHost = item->addComponent<QuadMeshHost>();
// auto material = item->addComponent<SimpleTexturedMaterial>();
if(FT_New_Face(
this->game->renderManager.getFontManager()->fontLibrary,
"C:\\Windows\\Fonts\\Arial.ttf",
0,
&face
)) {
assertUnreachable();
}
if(FT_Set_Pixel_Sizes(face, 0, 16)) {
assertUnreachable();
}
// if(FT_New_Face(
// this->game->renderManager.getFontManager()->fontLibrary,
// "C:\\Windows\\Fonts\\Arial.ttf",
// 0,
// &face
// )) {
// assertUnreachable();
// }
// if(FT_Set_Pixel_Sizes(face, 0, 16)) {
// assertUnreachable();
// }
_newTrueTypePlaceholder(face, texture, charStore);
FT_ULong c = 'B';
auto x = charStore[c];
glm::vec2 wh = glm::vec2(texture.getWidth(), texture.getHeight());
quadMeshHost->uv0 = glm::vec2(0.0f, x.textureY) / wh;
quadMeshHost->uv1 = (glm::vec2)quadMeshHost->uv0 + (x.bitmapSize / wh);
std::cout << "Done" << std::endl;
material->texture = &texture;
// _newTrueTypePlaceholder(face, texture, charStore);
// FT_ULong c = 'B';
// auto x = charStore[c];
// glm::vec2 wh = glm::vec2(texture.getWidth(), texture.getHeight());
// quadMeshHost->uv0 = glm::vec2(0.0f, x.textureY) / wh;
// quadMeshHost->uv1 = (glm::vec2)quadMeshHost->uv0 + (x.bitmapSize / wh);
// std::cout << "Done" << std::endl;
// material->texture = &texture;
}
std::vector<Asset*> getRequiredAssets() override {

6
src/dawnopengl/display/RenderManager.hpp
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@ -7,9 +7,9 @@
#include "display/_RenderManager.hpp"
#include "display/BackBufferRenderTarget.hpp"
#include "display/shader/ShaderManager.hpp"
#include "display/shader/SimpleTexturedShader.hpp"
#include "display/shader/FontShader.hpp"
#include "display/shader/UIShader.hpp"
#include "display/shader/shaders/SimpleTexturedShader.hpp"
#include "display/shader/shaders/FontShader.hpp"
#include "display/shader/shaders/UIShader.hpp"
#include "display/RenderPipeline.hpp"
#include "display/font/FontManager.hpp"
#include "display/font/ExampleFont.hpp"

8
src/dawnopengl/display/shader/CMakeLists.txt
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@ -7,7 +7,7 @@
target_sources(${DAWN_TARGET_NAME}
PRIVATE
Shader.cpp
FontShader.cpp
SimpleTexturedShader.cpp
SimpleBillboardedShader.cpp
)
)
add_subdirectory(buffers)
add_subdirectory(shaders)

11
src/dawnopengl/display/shader/ShaderParameterBuffer.hpp
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@ -13,7 +13,7 @@ namespace Dawn {
typedef GLuint shaderbufferlocation_t;
template<typename T>
class ShaderParameterBuffer : public IShaderParameterBuffer<T, shaderbufferslot_t> {
class ShaderParameterBuffer : public IShaderParameterBuffer<shaderbufferslot_t> {
protected:
shaderbufferlocation_t id = -1;
size_t size;
@ -29,7 +29,14 @@ namespace Dawn {
glBufferData(GL_UNIFORM_BUFFER, this->size, NULL, GL_DYNAMIC_DRAW);
}
void buffer(T *data) override {
/**
* Basic buffer method. Buffers the entire contents of the data struct to
* this shader parameter buffer.
*
* @param data Data to buffer to the parameter.
*/
void buffer(T *data) {
this->bind(0);
this->bufferRaw((void*)data);
}

9
src/dawnopengl/display/shader/buffers/CMakeLists.txt Normal file
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@ -0,0 +1,9 @@
# Copyright (c) 2023 Dominic Masters
#
# This software is released under the MIT License.
# https://opensource.org/licenses/MIT
# Sources
target_sources(${DAWN_TARGET_NAME}
PRIVATE
)

30
src/dawnopengl/display/shader/buffers/RenderPipelineShaderBuffer.hpp Normal file
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@ -0,0 +1,30 @@
// Copyright (c) 2023 Dominic Masters
//
// This software is released under the MIT License.
// https://opensource.org/licenses/MIT
#pragma once
#include "display/shader/ShaderParameterBuffer.hpp"
namespace Dawn {
struct RenderPipelineShaderBufferData {
glm::mat4 view;
glm::mat4 projection;
};
class RenderPipelineShaderBuffer : public ShaderParameterBuffer<struct RenderPipelineShaderBufferData> {
public:
static std::string getShaderUniformName() {
return "ub_RenderPipeline";
}
static std::string getShaderUniform() {
return std::string(
"layout (std140) uniform ub_RenderPipeline {\n"
"mat4 u_View;\n"
"mat4 u_Projection;\n"
"};"
);
}
};
}

12
src/dawnopengl/display/shader/shaders/CMakeLists.txt Normal file
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@ -0,0 +1,12 @@
# Copyright (c) 2023 Dominic Masters
#
# This software is released under the MIT License.
# https://opensource.org/licenses/MIT
# Sources
target_sources(${DAWN_TARGET_NAME}
PRIVATE
FontShader.cpp
SimpleTexturedShader.cpp
SimpleBillboardedShader.cpp
)

0
src/dawnopengl/display/shader/FontShader.cpp → src/dawnopengl/display/shader/shaders/FontShader.cpp
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0
src/dawnopengl/display/shader/FontShader.hpp → src/dawnopengl/display/shader/shaders/FontShader.hpp
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0
src/dawnopengl/display/shader/SimpleBillboardedShader.cpp → src/dawnopengl/display/shader/shaders/SimpleBillboardedShader.cpp
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0
src/dawnopengl/display/shader/SimpleBillboardedShader.hpp → src/dawnopengl/display/shader/shaders/SimpleBillboardedShader.hpp
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192
src/dawnopengl/display/shader/SimpleTexturedShader.cpp → src/dawnopengl/display/shader/shaders/SimpleTexturedShader.cpp
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@ -1,96 +1,98 @@
// Copyright (c) 2023 Dominic Masters
//
// This software is released under the MIT License.
// https://opensource.org/licenses/MIT
#include "SimpleTexturedShader.hpp"
using namespace Dawn;
void SimpleTexturedShader::compile() {
#if DAWN_OPENGL_GLSL
this->compileShader(
{
{ "aPos", 0 },
{ "aTexCoord", 1 }
},
// Vertex Shader
"#version 330 core\n"
"layout (location = 0) in vec3 aPos;\n"
"layout (location = 1) in vec2 aTexCoord;\n"
"uniform mat4 u_Proj;\n"
"uniform mat4 u_View;\n"
"uniform mat4 u_Model;\n"
"out vec2 o_TextCoord;\n"
"void main() {\n"
"gl_Position = u_Proj * u_View * u_Model * vec4(aPos, 1.0);\n"
"o_TextCoord = vec2(aTexCoord.x, aTexCoord.y);\n"
"}",
// Fragment Shader
"#version 330 core\n"
"in vec2 o_TextCoord;\n"
"out vec4 o_Color;\n"
"uniform vec4 u_Color;\n"
"uniform bool u_HasTexture;\n"
"uniform sampler2D u_Text;\n"
"void main() {\n"
"if(u_HasTexture) {\n"
"o_Color = texture(u_Text, o_TextCoord) * u_Color;\n"
"} else {\n"
"o_Color = u_Color;"
"}\n"
"}\n"
);
#elif DAWN_OPENGL_HLSL
this->compileShader(
{
{ "aPos", 0 },
{ "aTexCoord", 1 }
},
// Vertex Shader
"uniform float4x4 u_Proj;\n"
"uniform float4x4 u_View;\n"
"uniform float4x4 u_Model;\n"
"void main("
"float3 aPos,\n"
"float2 aTexCoord,\n"
"float2 out o_TextCoord : TEXCOORD0,\n"
"float4 out gl_Position : POSITION\n"
") {\n"
"o_TextCoord = aTexCoord;\n"
"gl_Position = mul(mul(mul(float4(aPos, 1.0), u_Model), u_View), u_Proj);\n"
"}",
// Fragment Shader
"uniform float4 u_Color;\n"
"uniform bool u_HasTexture;\n"
"uniform sampler2D u_Text : TEXUNIT0;\n"
"float4 main(\n"
"float2 o_TextCoord : TEXCOORD0\n"
") {\n"
"float4 o_Color;\n"
"if(u_HasTexture) {\n"
"o_Color = mul(tex2D(u_Text, o_TextCoord), u_Color);\n"
"} else {\n"
"o_Color = u_Color;\n"
"}\n"
"return o_Color;\n"
"}\n"
);
#else
#error Shader Type must be either GLSL or HLSL
#endif
this->paramProjection = this->getParameterByName("u_Proj");
this->paramView = this->getParameterByName("u_View");
this->paramModel = this->getParameterByName("u_Model");
this->paramColor = this->getParameterByName("u_Color");
this->paramTexture = this->getParameterByName("u_Text");
this->paramHasTexture = this->getParameterByName("u_HasTexture");
// Copyright (c) 2023 Dominic Masters
//
// This software is released under the MIT License.
// https://opensource.org/licenses/MIT
#include "SimpleTexturedShader.hpp"
using namespace Dawn;
void SimpleTexturedShader::compile() {
#if DAWN_OPENGL_GLSL
this->compileShader(
{
{ "aPos", 0 },
{ "aTexCoord", 1 }
},
// Vertex Shader
"#version 330 core\n"
"layout (location = 0) in vec3 aPos;\n"
"layout (location = 1) in vec2 aTexCoord;\n" +
RenderPipelineShaderBuffer::getShaderUniform() + ""
// "uniform mat4 u_Proj;\n"
// "uniform mat4 u_View;\n"
"uniform mat4 u_Model;\n"
"out vec2 o_TextCoord;\n"
"void main() {\n"
"gl_Position = u_Projection * u_View * u_Model * vec4(aPos, 1.0);\n"
"o_TextCoord = vec2(aTexCoord.x, aTexCoord.y);\n"
"}",
// Fragment Shader
"#version 330 core\n"
"in vec2 o_TextCoord;\n"
"out vec4 o_Color;\n"
"uniform vec4 u_Color;\n"
"uniform bool u_HasTexture;\n"
"uniform sampler2D u_Text;\n"
"void main() {\n"
"if(u_HasTexture) {\n"
"o_Color = texture(u_Text, o_TextCoord) * u_Color;\n"
"} else {\n"
"o_Color = u_Color;"
"}\n"
"}\n"
);
#elif DAWN_OPENGL_HLSL
this->compileShader(
{
{ "aPos", 0 },
{ "aTexCoord", 1 }
},
// Vertex Shader
"uniform float4x4 u_Proj;\n"
"uniform float4x4 u_View;\n"
"uniform float4x4 u_Model;\n"
"void main("
"float3 aPos,\n"
"float2 aTexCoord,\n"
"float2 out o_TextCoord : TEXCOORD0,\n"
"float4 out gl_Position : POSITION\n"
") {\n"
"o_TextCoord = aTexCoord;\n"
"gl_Position = mul(mul(mul(float4(aPos, 1.0), u_Model), u_View), u_Proj);\n"
"}",
// Fragment Shader
"uniform float4 u_Color;\n"
"uniform bool u_HasTexture;\n"
"uniform sampler2D u_Text : TEXUNIT0;\n"
"float4 main(\n"
"float2 o_TextCoord : TEXCOORD0\n"
") {\n"
"float4 o_Color;\n"
"if(u_HasTexture) {\n"
"o_Color = mul(tex2D(u_Text, o_TextCoord), u_Color);\n"
"} else {\n"
"o_Color = u_Color;\n"
"}\n"
"return o_Color;\n"
"}\n"
);
#else
#error Shader Type must be either GLSL or HLSL
#endif
this->paramModel = this->getParameterByName("u_Model");
this->paramColor = this->getParameterByName("u_Color");
this->paramTexture = this->getParameterByName("u_Text");
this->paramHasTexture = this->getParameterByName("u_HasTexture");
this->bufferRenderPipeline = this->getBufferLocationByName(RenderPipelineShaderBuffer::getShaderUniformName());
}

43
src/dawnopengl/display/shader/SimpleTexturedShader.hpp → src/dawnopengl/display/shader/shaders/SimpleTexturedShader.hpp
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@ -1,21 +1,24 @@
// Copyright (c) 2023 Dominic Masters
//
// This software is released under the MIT License.
// https://opensource.org/licenses/MIT
#pragma once
#include "display/shader/Shader.hpp"
namespace Dawn {
class SimpleTexturedShader : public Shader {
public:
shaderparameter_t paramProjection;
shaderparameter_t paramView;
shaderparameter_t paramModel;
shaderparameter_t paramColor;
shaderparameter_t paramTexture;
shaderparameter_t paramHasTexture;
void compile() override;
};
// Copyright (c) 2023 Dominic Masters
//
// This software is released under the MIT License.
// https://opensource.org/licenses/MIT
#pragma once
#include "display/shader/buffers/RenderPipelineShaderBuffer.hpp"
#include "display/shader/Shader.hpp"
namespace Dawn {
class SimpleTexturedShader : public Shader {
public:
shaderparameter_t paramProjection;
shaderparameter_t paramView;
shaderparameter_t paramModel;
shaderparameter_t paramColor;
shaderparameter_t paramTexture;
shaderparameter_t paramHasTexture;
shaderbufferlocation_t bufferRenderPipeline;
void compile() override;
};
}

0
src/dawnopengl/display/shader/UIShader.hpp → src/dawnopengl/display/shader/shaders/UIShader.hpp
View File

2
src/dawnopengl/scene/components/display/material/SimpleBillboardedMaterial.cpp
View File

@ -3,7 +3,7 @@
// This software is released under the MIT License.
// https://opensource.org/licenses/MIT
#include "display/shader/SimpleBillboardedShader.hpp"
#include "display/shader/shaders/SimpleBillboardedShader.hpp"
#include "SimpleBillboardedMaterial.hpp"
#include "game/DawnGame.hpp"

8
src/dawnopengl/scene/components/display/material/SimpleTexturedMaterial.cpp
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@ -36,8 +36,12 @@ std::vector<struct ShaderPassItem> SimpleTexturedMaterial::getRenderPasses() {
onlyPass.shader = shader;
onlyPass.colorValues[shader->paramColor] = this->color;
onlyPass.matrixValues[shader->paramModel] = this->transform->getWorldTransform();
onlyPass.matrixValues[shader->paramView] = camera->transform->getWorldTransform();
onlyPass.matrixValues[shader->paramProjection] = camera->getProjection();
onlyPass.parameterBuffers[shader->bufferRenderPipeline] = &this->getGame()->renderManager.getRenderPipeline()->shaderBuffer;
// onlyPass.matrixValues[shader->paramView] = camera->transform->getWorldTransform();
// onlyPass.matrixValues[shader->paramProjection] = camera->getProjection();
onlyPass.renderFlags = (
RENDER_MANAGER_RENDER_FLAG_BLEND |
RENDER_MANAGER_RENDER_FLAG_DEPTH_TEST