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DrawQuad Transform

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- DraqQuadImpl functions now call a non-static DrawQuadFinal function with a mat4
      transform matrix
This commit is contained in:
Light 2021-07-30 12:49:48 +04:30
parent 931a3a168c
commit 98184d358f
10 changed files with 45 additions and 35 deletions
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4
Engine/res/Shaders/Quad/Quad_VS.glsl
View file

@ -1,6 +1,6 @@
#version 440 core
layout(location = 0) in vec3 a_Position;
layout(location = 0) in vec4 a_Position;
layout(location = 1) in vec4 a_Color;
layout(std140, binding = 0) uniform ub_ViewProjection
@ -12,6 +12,6 @@ out vec4 vso_FragmentColor;
void main()
{
gl_Position = viewProjection * vec4(a_Position, 1.0);
gl_Position = viewProjection * a_Position;
vso_FragmentColor = a_Color;
}

4
Engine/res/Shaders/Quad/Quad_VS.hlsl
View file

@ -9,10 +9,10 @@ cbuffer cv_ViewProjection : register(b0)
row_major matrix viewProjection;
}
VertexOut main(float3 InPosition : POSITION, float4 InColor : COLOR)
VertexOut main(float4 InPosition : POSITION, float4 InColor : COLOR)
{
VertexOut vso;
vso.Position = mul(float4(InPosition.x, InPosition.y, InPosition.z, 1.0), viewProjection);
vso.Position = mul(InPosition, viewProjection);
vso.Color = InColor;
return vso;

4
Engine/res/Shaders/Texture/Texture_VS.glsl
View file

@ -1,6 +1,6 @@
#version 440 core
layout(location = 0) in vec3 a_Position;
layout(location = 0) in vec4 a_Position;
layout(location = 1) in vec2 a_TexCoord;
layout(std140, binding = 0) uniform ub_ViewProjection
@ -12,6 +12,6 @@ out vec2 vso_TexCoord;
void main()
{
gl_Position = u_ViewProjection * vec4(a_Position, 1.0);
gl_Position = u_ViewProjection * a_Position;
vso_TexCoord = a_TexCoord;
}

4
Engine/res/Shaders/Texture/Texture_VS.hlsl
View file

@ -9,10 +9,10 @@ cbuffer cb_ViewProjection : register(b0)
row_major matrix viewProjection;
}
VertexOut main(float3 InPosition : POSITION, float2 InTexChoord : TEXCOORD)
VertexOut main(float4 InPosition : POSITION, float2 InTexChoord : TEXCOORD)
{
VertexOut vso;
vso.Position = mul(float4(InPosition, 1.0), viewProjection);
vso.Position = mul(float4(InPosition), viewProjection);
vso.TexChoord = InTexChoord;
return vso;

53
Engine/src/Engine/Graphics/Renderer.cpp
View file

@ -47,31 +47,42 @@ namespace Light {
m_RenderCommand->SetViewport(0u, 0u, event.GetSize().x, event.GetSize().y);
}
//======================================== DRAW_QUAD_TINT ========================================//
//======================================== DRAW_QUAD ========================================//
/* tint */
void Renderer::DrawQuadImpl(const glm::vec3& position, const glm::vec2& size, const glm::vec4& tint)
{
DrawQuadFinal(glm::translate(glm::mat4(1.0f), position) * glm::scale(glm::mat4(1.0f), { size.x, size.y, 1.0f }),
tint);
}
/* texture */
void Renderer::DrawQuadImpl(const glm::vec3& position, const glm::vec2& size, Ref<Texture> texture)
{
DrawQuadFinal(glm::translate(glm::mat4(1.0f), position) * glm::scale(glm::mat4(1.0f), { size.x, size.y, 1.0f }),
texture);
}
//======================================== DRAW_QUAD ========================================//
//==================== DRAW_QUAD_TINT ====================//
void Renderer::DrawQuadFinal(const glm::mat4& transform, const glm::vec4& tint)
{
// locals
QuadRendererProgram::QuadVertexData* bufferMap = m_QuadRenderer.GetMapCurrent();
const float xMin = position.x;
const float yMin = position.y;
const float xMax = position.x + size.x;
const float yMax = position.y + size.y;
// top left
bufferMap[0].position = { xMin, yMin, position.z };
bufferMap[0].position = transform * glm::vec4(-0.5f, -0.5f, 0.0f, 1.0f);
bufferMap[0].tint = tint;
// top right
bufferMap[1].position = { xMax, yMin, position.z };
bufferMap[1].position = transform * glm::vec4( 0.5f, -0.5f, 0.0f, 1.0f);
bufferMap[1].tint = tint;
// bottom right
bufferMap[2].position = { xMax, yMax, position.z };
bufferMap[2].position = transform * glm::vec4( 0.5f, 0.5f, 0.0f, 1.0f);
bufferMap[2].tint = tint;
// bottom left
bufferMap[3].position = { xMin, yMax, position.z };
bufferMap[3].position = transform * glm::vec4(-0.5f, 0.5f, 0.0f, 1.0f);
bufferMap[3].tint = tint;
// advance
@ -81,10 +92,10 @@ namespace Light {
FlushScene();
}
}
//======================================== DRAW_QUAD_TINT ========================================//
//==================== DRAW_QUAD_TINT ====================//
//============================== DRAW_QUAD_TEXTURE ==============================//
void Renderer::DrawQuadImpl(const glm::vec3& position, const glm::vec2& size, Ref<Texture> texture)
//==================== DRAW_QUAD_TEXTURE ====================//
void Renderer::DrawQuadFinal(const glm::mat4& transform, Ref<Texture> texture)
{
// #todo: implement a proper binding
texture->Bind();
@ -92,25 +103,20 @@ namespace Light {
// locals
TextureRendererProgram::TextureVertexData* bufferMap = m_TextureRenderer.GetMapCurrent();
const float xMin = position.x;
const float yMin = position.y;
const float xMax = position.x + size.x;
const float yMax = position.y + size.y;
// top left
bufferMap[0].position = { xMin, yMin, position.z };
bufferMap[0].position = transform * glm::vec4(-0.5f, -0.5f, 0.0f, 1.0f);
bufferMap[0].texcoord = { 0.0f, 0.0f };
// top right
bufferMap[1].position = { xMax, yMin, position.z };
bufferMap[1].position = transform * glm::vec4( 0.5f, -0.5f, 0.0f, 1.0f);
bufferMap[1].texcoord = { 1.0f, 0.0f };
// bottom right
bufferMap[2].position = { xMax, yMax, position.z };
bufferMap[2].position = transform * glm::vec4( 0.5f, 0.5f, 0.0f, 1.0f);
bufferMap[2].texcoord = { 1.0f, 1.0f };
// bottom left
bufferMap[3].position = { xMin, yMax, position.z };
bufferMap[3].position = transform * glm::vec4(-0.5f, 0.5f, 0.0f, 1.0f);
bufferMap[3].texcoord = { 0.0f, 1.0f };
// advance
@ -120,7 +126,8 @@ namespace Light {
FlushScene();
}
}
//============================== DRAW_QUAD_TEXTURE ==============================//
//==================== DRAW_QUAD_TEXTURE ====================//
void Renderer::BeginFrame()
{

3
Engine/src/Engine/Graphics/Renderer.h
View file

@ -62,6 +62,9 @@ namespace Light {
void DrawQuadImpl(const glm::vec3& position, const glm::vec2& size, const glm::vec4& tint);
void DrawQuadImpl(const glm::vec3& position, const glm::vec2& size, Ref<Texture> texture);
void DrawQuadFinal(const glm::mat4& transform, const glm::vec4& tint);
void DrawQuadFinal(const glm::mat4& transform, Ref<Texture> texture);
void BeginSceneImpl(const Ref<Camera>& camera, const Ref<Framebuffer>& targetFrameBuffer = nullptr);
void FlushScene();
void EndSceneImpl();

2
Engine/src/Engine/Graphics/RendererPrograms/QuadRendererProgram.cpp
View file

@ -26,7 +26,7 @@ namespace Light {
m_Shader = ResourceManager::GetShader("LT_ENGINE_RESOURCES_QUAD_SHADER");
m_VertexBuffer = Ref<VertexBuffer>(VertexBuffer::Create(nullptr, sizeof(QuadVertexData), maxVertices, sharedContext));
m_IndexBuffer = Ref<IndexBuffer>(IndexBuffer::Create(nullptr, (maxVertices / 4) * 6, sharedContext));
m_VertexLayout = Ref<VertexLayout>(VertexLayout::Create(m_VertexBuffer, m_Shader, { { "POSITION", VertexElementType::Float3 },
m_VertexLayout = Ref<VertexLayout>(VertexLayout::Create(m_VertexBuffer, m_Shader, { { "POSITION", VertexElementType::Float4 },
{ "COLOR" , VertexElementType::Float4 }}, sharedContext));
}

2
Engine/src/Engine/Graphics/RendererPrograms/QuadRendererProgram.h
View file

@ -22,7 +22,7 @@ namespace Light {
public:
struct QuadVertexData
{
glm::vec3 position;
glm::vec4 position;
glm::vec4 tint;
};

2
Engine/src/Engine/Graphics/RendererPrograms/TextureRendererProgram.cpp
View file

@ -26,7 +26,7 @@ namespace Light {
m_Shader = ResourceManager::GetShader("LT_ENGINE_RESOURCES_TEXTURE_SHADER");
m_VertexBuffer = Ref<VertexBuffer>(VertexBuffer::Create(nullptr, sizeof(TextureVertexData), maxVertices, sharedContext));
m_IndexBuffer = Ref<IndexBuffer>(IndexBuffer::Create(nullptr, (maxVertices / 4) * 6, sharedContext));
m_VertexLayout = Ref<VertexLayout>(VertexLayout::Create(m_VertexBuffer, m_Shader, { { "POSITION", VertexElementType::Float3 },
m_VertexLayout = Ref<VertexLayout>(VertexLayout::Create(m_VertexBuffer, m_Shader, { { "POSITION", VertexElementType::Float4 },
{ "TEXCOORD", VertexElementType::Float2 }}, sharedContext));
}

2
Engine/src/Engine/Graphics/RendererPrograms/TextureRendererProgram.h
View file

@ -22,7 +22,7 @@ namespace Light {
public:
struct TextureVertexData
{
glm::vec3 position;
glm::vec4 position;
glm::vec2 texcoord;
};