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Simplifying PlatformLayer a bit. Setting up texture loading

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This commit is contained in:
Matt Thorson 2020-08-23 18:12:15 -07:00
parent 1c084b55f9
commit 82f1f412eb
10 changed files with 141 additions and 185 deletions
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2
src/Core/Game.bf
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@ -54,7 +54,7 @@ namespace Strawberry
Directory.SetCurrentDirectory(exeDir);
platformLayer.Init();
Batcher = platformLayer.CreateBatcher();
Batcher = new Batcher();
VirtualInputs = new List<VirtualInput>();
Input.[Friend]Init();

85
src/PlatformLayer/Batcher.bf
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@ -1,11 +1,88 @@
using System.Collections;
namespace Strawberry
{
public abstract class Batcher
public class Batcher
{
public abstract void Draw();
private List<Vertex> vertices = new .() ~ delete _;
private List<uint32> indices = new .() ~ delete _;
protected abstract void PushQuad(Vertex a, Vertex b, Vertex c, Vertex d);
protected abstract void PushTri(Vertex a, Vertex b, Vertex c);
private uint32 vaoID;
private uint32 vertexBufferID;
private uint32 indexBufferID;
public this()
{
GL.glGenVertexArrays(1, &vaoID);
GL.glBindVertexArray(vaoID);
GL.glGenBuffers(1, &vertexBufferID);
GL.glGenBuffers(1, &indexBufferID);
GL.glBindVertexArray(0);
}
public ~this()
{
GL.glDeleteBuffers(1, &vertexBufferID);
GL.glDeleteBuffers(1, &indexBufferID);
GL.glDeleteVertexArrays(1, &vaoID);
}
public void Draw()
{
GL.glDisable(GL.GL_CULL_FACE);
GL.glBindVertexArray(vaoID);
GL.glBindBuffer(GL.GL_ARRAY_BUFFER, vertexBufferID);
GL.glEnableVertexAttribArray(0);
GL.glVertexAttribPointer(0, 2, GL.GL_FLOAT, GL.GL_FALSE, sizeof(Vertex), (void*)0);
GL.glEnableVertexAttribArray(1);
GL.glVertexAttribPointer(1, 2, GL.GL_FLOAT, GL.GL_FALSE, sizeof(Vertex), (void*)8);
GL.glEnableVertexAttribArray(2);
GL.glVertexAttribPointer(2, 4, GL.GL_UNSIGNED_BYTE, GL.GL_TRUE, sizeof(Vertex), (void*)16);
GL.glEnableVertexAttribArray(3);
GL.glVertexAttribPointer(3, 3, GL.GL_UNSIGNED_BYTE, GL.GL_TRUE, sizeof(Vertex), (void*)20);
GL.glBufferData(GL.GL_ARRAY_BUFFER, vertices.Count * sizeof(Vertex), vertices.Ptr, GL.GL_DYNAMIC_DRAW);
GL.glBindBuffer(GL.GL_ELEMENT_ARRAY_BUFFER, indexBufferID);
GL.glBufferData(GL.GL_ELEMENT_ARRAY_BUFFER, indices.Count * sizeof(uint32), indices.Ptr, GL.GL_DYNAMIC_DRAW);
GL.glDrawElements(GL.GL_TRIANGLES, indices.Count, GL.GL_UNSIGNED_INT, (void*)0);
GL.glBindVertexArray(0);
vertices.Clear();
indices.Clear();
}
protected void PushQuad(Vertex a, Vertex b, Vertex c, Vertex d)
{
uint32 count = (uint32)vertices.Count;
vertices.Add(a);
vertices.Add(b);
vertices.Add(c);
vertices.Add(d);
indices.Add(count + 0);
indices.Add(count + 1);
indices.Add(count + 2);
indices.Add(count + 0);
indices.Add(count + 2);
indices.Add(count + 3);
}
protected void PushTri(Vertex a, Vertex b, Vertex c)
{
uint32 count = (uint32)vertices.Count;
vertices.Add(a);
vertices.Add(b);
vertices.Add(c);
indices.Add(count + 0);
indices.Add(count + 1);
indices.Add(count + 2);
}
public void Rect(float x, float y, float w, float h, Color color)
{

2
src/PlatformLayer/PlatformLayer.bf
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@ -23,7 +23,5 @@ namespace Strawberry
//Graphics
public abstract Texture LoadTexture(String path);
public abstract Batcher CreateBatcher();
public abstract Shader CreateShader(ShaderDef def);
}
}

88
src/PlatformLayer/SDL2/SDL2Batcher.bf
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@ -1,88 +0,0 @@
using System.Collections;
using System;
namespace Strawberry.SDL2
{
public class SDL2Batcher : Batcher
{
private List<Vertex> vertices = new .() ~ delete _;
private List<uint32> indices = new .() ~ delete _;
private uint32 vaoID;
private uint32 vertexBufferID;
private uint32 indexBufferID;
public this()
{
GL.glGenVertexArrays(1, &vaoID);
GL.glBindVertexArray(vaoID);
GL.glGenBuffers(1, &vertexBufferID);
GL.glGenBuffers(1, &indexBufferID);
GL.glBindVertexArray(0);
}
public ~this()
{
GL.glDeleteBuffers(1, &vertexBufferID);
GL.glDeleteBuffers(1, &indexBufferID);
GL.glDeleteVertexArrays(1, &vaoID);
}
public override void Draw()
{
GL.glDisable(GL.GL_CULL_FACE);
GL.glBindVertexArray(vaoID);
GL.glBindBuffer(GL.GL_ARRAY_BUFFER, vertexBufferID);
GL.glEnableVertexAttribArray(0);
GL.glVertexAttribPointer(0, 2, GL.GL_FLOAT, GL.GL_FALSE, sizeof(Vertex), (void*)0);
GL.glEnableVertexAttribArray(1);
GL.glVertexAttribPointer(1, 2, GL.GL_FLOAT, GL.GL_FALSE, sizeof(Vertex), (void*)8);
GL.glEnableVertexAttribArray(2);
GL.glVertexAttribPointer(2, 4, GL.GL_UNSIGNED_BYTE, GL.GL_TRUE, sizeof(Vertex), (void*)16);
GL.glEnableVertexAttribArray(3);
GL.glVertexAttribPointer(3, 3, GL.GL_UNSIGNED_BYTE, GL.GL_TRUE, sizeof(Vertex), (void*)20);
GL.glBufferData(GL.GL_ARRAY_BUFFER, vertices.Count * sizeof(Vertex), vertices.Ptr, GL.GL_DYNAMIC_DRAW);
GL.glBindBuffer(GL.GL_ELEMENT_ARRAY_BUFFER, indexBufferID);
GL.glBufferData(GL.GL_ELEMENT_ARRAY_BUFFER, indices.Count * sizeof(uint32), indices.Ptr, GL.GL_DYNAMIC_DRAW);
GL.glDrawElements(GL.GL_TRIANGLES, indices.Count, GL.GL_UNSIGNED_INT, (void*)0);
GL.glBindVertexArray(0);
vertices.Clear();
indices.Clear();
}
protected override void PushQuad(Vertex a, Vertex b, Vertex c, Vertex d)
{
uint32 count = (uint32)vertices.Count;
vertices.Add(a);
vertices.Add(b);
vertices.Add(c);
vertices.Add(d);
indices.Add(count + 0);
indices.Add(count + 1);
indices.Add(count + 2);
indices.Add(count + 0);
indices.Add(count + 2);
indices.Add(count + 3);
}
protected override void PushTri(Vertex a, Vertex b, Vertex c)
{
uint32 count = (uint32)vertices.Count;
vertices.Add(a);
vertices.Add(b);
vertices.Add(c);
indices.Add(count + 0);
indices.Add(count + 1);
indices.Add(count + 2);
}
}
}

52
src/PlatformLayer/SDL2/SDL2Shader.bf
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@ -1,52 +0,0 @@
namespace Strawberry.SDL2
{
class SDL2Shader : Shader
{
public uint vertexHandle;
public uint fragmentHandle;
public this(ShaderDef def)
: base(def)
{
IsValid = true;
int32 logLen = 0;
char8[1024] log;
vertexHandle = GL.glCreateShader(GL.GL_VERTEX_SHADER);
{
int32 len = (int32)def.Vertex.Length;
char8* data = def.Vertex.CStr();
GL.glShaderSource(vertexHandle, 1, &data, &len);
GL.glCompileShader(vertexHandle);
GL.glGetShaderInfoLog(vertexHandle, 1024, &logLen, &log);
if (logLen > 0)
{
Calc.Log(&log, logLen);
IsValid = false;
}
}
fragmentHandle = GL.glCreateShader(GL.GL_FRAGMENT_SHADER);
{
int32 len = (int32)def.Fragment.Length;
char8* data = def.Fragment.CStr();
GL.glShaderSource(fragmentHandle, 1, &data, &len);
GL.glCompileShader(fragmentHandle);
GL.glGetShaderInfoLog(fragmentHandle, 1024, &logLen, &log);
if (logLen > 0)
{
Calc.Log(&log, logLen);
IsValid = false;
}
}
}
public ~this()
{
GL.glDeleteShader(vertexHandle);
GL.glDeleteShader(fragmentHandle);
}
}
}

20
src/PlatformLayer/SDL2/SDL2Texture.bf
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@ -1,20 +0,0 @@
namespace Strawberry.SDL2
{
class SDL2Texture : Texture
{
private uint32 handle;
public this(int width, int height, uint8* pixels)
: base(width, height, pixels)
{
GL.glGenTextures(1, &handle);
GL.glBindTexture(GL.GL_TEXTURE_2D, handle);
GL.glTexImage2D(GL.GL_TEXTURE_2D, 0, GL.GL_RGBA, width, height, 0, GL.GL_RGBA, GL.GL_UNSIGNED_BYTE, pixels);
}
public ~this()
{
GL.glDeleteTextures(1, &handle);
}
}
}

16
src/PlatformLayer/SDL2/SDL2PlatformLayer.bf → src/PlatformLayer/SDL2PlatformLayer.bf
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@ -10,7 +10,7 @@ namespace Strawberry.SDL2
private SDL.Surface* screen;
private SDL.Rect screenRect;
private SDL.Renderer* renderer;
private SDL2Shader shader;
private Shader shader;
private SDL.SDL_GameController*[] gamepads;
private bool* keyboard;
@ -53,7 +53,7 @@ namespace Strawberry.SDL2
SDL.GL_SetSwapInterval(1);
GL.Init(=> SdlGetProcAddress);
shader = new SDL2Shader(String[2] (
shader = new Shader(String[2] (
// vertex shader
"""
#version 330
@ -167,7 +167,7 @@ namespace Strawberry.SDL2
public override Texture LoadTexture(String path)
{
var surface = SDLImage.Load(path);
var tex = new SDL2Texture(surface.w, surface.h, (uint8*)surface.pixels);
var tex = new Texture(surface.w, surface.h, (uint8*)surface.pixels);
SDL.FreeSurface(surface);
return tex;
@ -210,15 +210,5 @@ namespace Strawberry.SDL2
else
return val / 32768f;
}
public override Batcher CreateBatcher()
{
return new SDL2Batcher();
}
public override Shader CreateShader(ShaderDef def)
{
return new SDL2Shader(def);
}
}
}

45
src/PlatformLayer/Shader.bf
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@ -1,12 +1,53 @@
namespace Strawberry
{
public abstract class Shader
class Shader
{
public bool IsValid { get; protected set; }
public bool IsValid { get; private set; }
public uint vertexHandle;
public uint fragmentHandle;
public this(ShaderDef def)
{
IsValid = true;
int32 logLen = 0;
char8[1024] log;
vertexHandle = GL.glCreateShader(GL.GL_VERTEX_SHADER);
{
int32 len = (int32)def.Vertex.Length;
char8* data = def.Vertex.CStr();
GL.glShaderSource(vertexHandle, 1, &data, &len);
GL.glCompileShader(vertexHandle);
GL.glGetShaderInfoLog(vertexHandle, 1024, &logLen, &log);
if (logLen > 0)
{
Calc.Log(&log, logLen);
IsValid = false;
}
}
fragmentHandle = GL.glCreateShader(GL.GL_FRAGMENT_SHADER);
{
int32 len = (int32)def.Fragment.Length;
char8* data = def.Fragment.CStr();
GL.glShaderSource(fragmentHandle, 1, &data, &len);
GL.glCompileShader(fragmentHandle);
GL.glGetShaderInfoLog(fragmentHandle, 1024, &logLen, &log);
if (logLen > 0)
{
Calc.Log(&log, logLen);
IsValid = false;
}
}
}
public ~this()
{
GL.glDeleteShader(vertexHandle);
GL.glDeleteShader(fragmentHandle);
}
}
}

14
src/PlatformLayer/Texture.bf
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@ -1,14 +1,24 @@
namespace Strawberry
{
public abstract class Texture
public class Texture
{
public uint32 Handle { get; private set; }
public int Width { get; private set; }
public int Height { get; private set; }
public virtual this(int width, int height, uint8* pixels)
public this(int width, int height, uint8* pixels)
{
Width = width;
Height = height;
GL.glGenTextures(1, &Handle);
GL.glBindTexture(GL.GL_TEXTURE_2D, Handle);
GL.glTexImage2D(GL.GL_TEXTURE_2D, 0, GL.GL_RGBA, width, height, 0, GL.GL_RGBA, GL.GL_UNSIGNED_BYTE, pixels);
}
public ~this()
{
GL.glDeleteTextures(1, &Handle);
}
}
}

2
src/Static/Console.bf
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@ -88,7 +88,7 @@ namespace Strawberry
static public void Log(StringView str, params Object[] args)
{
let string = Calc.[Friend]StringArgs(scope String(str), params args);
let string = Calc.StringArgs(scope String(str), params args);
Log(string);
}