refactored out pipelines

This commit is contained in:
DaniTheSkunk 2022-12-12 05:13:24 +00:00
parent 007be3e9f3
commit baddb2cca8
9 changed files with 139 additions and 94 deletions

6
.idea/statistic.xml Normal file
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@ -0,0 +1,6 @@
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="Statistic">
<option name="fileTypesIncluded" value="java;" />
</component>
</project>

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@ -1,5 +1,22 @@
package com.danitheskunk.skunkworks.backends.gl;
public class BasePipeline {
public abstract class BasePipeline<TRenderContext> {
protected Program program;
protected TRenderContext renderContext;
public BasePipeline(Program program) {
this.program = program;
}
public TRenderContext getRenderContext() {
return renderContext;
}
public void setRenderContext(TRenderContext renderContext) {
this.renderContext = renderContext;
}
public void use() {
program.use();
}
}

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@ -0,0 +1,40 @@
package com.danitheskunk.skunkworks.backends.gl;
import com.danitheskunk.skunkworks.Vec2i;
public class Pipeline2D extends BasePipeline<RenderContext> {
private static final String fragmentSource = """
#version 450
layout(location = 1) in vec2 texCoord;
layout(binding = 0) uniform sampler2D tex;
layout(location = 3) uniform ivec2 texOffset;
layout(location = 4) uniform ivec2 texSize;
layout(location = 5) uniform vec4 tint;
out vec4 color;
void main() {
//color = vec4(vec2(texCoord).x/1000.f, 0.2f, 0.7f, 1.0f);
//color = texture(tex, texCoord);
vec4 col = texelFetch(tex, ivec2(mod(texCoord, texSize)) + texOffset, 0);
if(tint.a > 0.0) {
color = col * tint;
}
}
""";
private static final String vertexSource = """
#version 450
layout(location = 0) in vec2 pos;
layout(location = 1) in ivec2 texCoord;
layout(location = 2) uniform vec2 windowSize;
layout(location = 1) out vec2 out_texCoord;
void main() {
gl_Position = vec4(pos / windowSize * vec2(2.0f, -2.0f) + vec2(-1.0f, 1.0f), 0.0f, 1.0f);
out_texCoord = texCoord;
}
""";
public Pipeline2D(Vec2i size) {
super(new Program(vertexSource, fragmentSource));
renderContext = new RenderContext(program, size);
}
}

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@ -0,0 +1,34 @@
package com.danitheskunk.skunkworks.backends.gl;
public class Pipeline3D extends BasePipeline<RenderContext3D> {
private static final String fragmentSource = """
#version 450
layout(location = 1) in vec2 texCoord;
layout(binding = 0) uniform sampler2D tex;
layout(location = 5) uniform vec4 tint;
out vec4 color;
void main() {
//color = vec4(vec2(texCoord).x/1000.f, 0.2f, 0.7f, 1.0f);
color = texture(tex, texCoord) * tint;
//color = vec4(0.0, texCoord.xy, 1.0);
//color = vec4(1.0, texCoord.x / 2, 1.0, 1.0);
}
""";
private static final String vertexSource = """
#version 450
layout(location = 0) in vec3 pos;
layout(location = 1) in vec2 texCoord;
layout(location = 2) uniform mat4 projection;
layout(location = 1) out vec2 out_texCoord;
void main() {
gl_Position = projection * vec4(pos, 1.0f);
out_texCoord = texCoord;
}
""";
public Pipeline3D(TextureAtlas atlas) {
super(new Program(vertexSource, fragmentSource));
renderContext = new RenderContext3D(program);
renderContext.setTextureAtlas(atlas);
}
}

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@ -11,16 +11,15 @@ class RenderContext extends BaseRenderContext implements IRenderContext {
private final int texOffsetIndex;
private final int texSizeIndex;
private final int tintIndex;
private final int windowSizeIndex;
public RenderContext(
Vec2i size, int texCoordIndex, int texOffsetIndex,
int texSizeIndex, int tintIndex
) {
public RenderContext(Program program, Vec2i size) {
super(size);
this.texCoordIndex = texCoordIndex;
this.texOffsetIndex = texOffsetIndex;
this.texSizeIndex = texSizeIndex;
this.tintIndex = tintIndex;
texCoordIndex = program.getAttribLocation("texCoord");
texOffsetIndex = program.getUniformLocation("texOffset");
texSizeIndex = program.getUniformLocation("texSize");
tintIndex = program.getUniformLocation("tint");
windowSizeIndex = program.getUniformLocation("windowSize");
}
@Override
@ -186,4 +185,9 @@ class RenderContext extends BaseRenderContext implements IRenderContext {
glVertex2i(br.getX(), bl.getY());
glEnd();
}
@Override
public void preFrame() {
glUniform2f(windowSizeIndex, size.getX(), size.getY());
}
}

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@ -14,14 +14,14 @@ public class RenderContext3D extends BaseRenderContext3D {
private final int tintIndex;
private TextureAtlas textureAtlas;
public RenderContext3D(int texCoordIndex, int tintIndex) {
this.texCoordIndex = texCoordIndex;
this.tintIndex = tintIndex;
public RenderContext3D(Program program) {
texCoordIndex = program.getAttribLocation("texCoord");
tintIndex = program.getUniformLocation("tint");
}
@Override
public void renderMesh(Mesh mesh) {
renderMesh(mesh, Color.WHITE);
public void clearDepth() {
glClear(GL_DEPTH_BUFFER_BIT);
}
@Override
@ -32,7 +32,8 @@ public class RenderContext3D extends BaseRenderContext3D {
var texOff = Vec2f.div(texArea.getPos(), textureAtlas.getSize());
var texMult = Vec2f.div(texArea.getSize(), textureAtlas.getSize());
glUniform4f(tintIndex,
glUniform4f(
tintIndex,
tint.getR() / 255.0f,
tint.getG() / 255.0f,
tint.getB() / 255.0f,
@ -61,8 +62,6 @@ public class RenderContext3D extends BaseRenderContext3D {
t3 = Vec2f.add(texOff, Vec2f.mul(texMult, t3));
glVertexAttrib2d(texCoordIndex, t1.getX(), t1.getY());
glVertex3d(p1.getX(), p1.getY() - 0.5, p1.getZ() + 0.5);
glVertexAttrib2d(texCoordIndex, t2.getX(), t2.getY());
@ -74,8 +73,8 @@ public class RenderContext3D extends BaseRenderContext3D {
}
@Override
public void clearDepth() {
glClear(GL_DEPTH_BUFFER_BIT);
public void renderMesh(Mesh mesh) {
renderMesh(mesh, Color.WHITE);
}
@Override
@ -101,6 +100,11 @@ public class RenderContext3D extends BaseRenderContext3D {
glEnd();
}
@Override
public void preFrame() {
}
public void setTextureAtlas(TextureAtlas textureAtlas) {
this.textureAtlas = textureAtlas;
}

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@ -18,37 +18,6 @@ import static org.lwjgl.opengl.GL46.*;
import static org.lwjgl.system.MemoryUtil.NULL;
public class Window extends BaseWindow {
private static final String fragmentSource = """
#version 450
layout(location = 1) in vec2 texCoord;
layout(binding = 0) uniform sampler2D tex;
layout(location = 3) uniform ivec2 texOffset;
layout(location = 4) uniform ivec2 texSize;
layout(location = 5) uniform vec4 tint;
out vec4 color;
void main() {
//color = vec4(vec2(texCoord).x/1000.f, 0.2f, 0.7f, 1.0f);
//color = texture(tex, texCoord);
vec4 col = texelFetch(tex, ivec2(mod(texCoord, texSize)) + texOffset, 0);
if(tint.a > 0.0) {
color = col * tint;
}
}
""";
private static final String fragmentSource3D = """
#version 450
layout(location = 1) in vec2 texCoord;
layout(binding = 0) uniform sampler2D tex;
layout(location = 5) uniform vec4 tint;
out vec4 color;
void main() {
//color = vec4(vec2(texCoord).x/1000.f, 0.2f, 0.7f, 1.0f);
color = texture(tex, texCoord) * tint;
//color = vec4(0.0, texCoord.xy, 1.0);
//color = vec4(1.0, texCoord.x / 2, 1.0, 1.0);
}
""";
private static final String fragmentSourceScaler = """
#version 450
layout(location = 1) in vec2 texCoord;
@ -65,28 +34,6 @@ public class Window extends BaseWindow {
//color = vec4(texCoord.xy, 0.0, 1.0);
}
""";
private static final String vertexSource = """
#version 450
layout(location = 0) in vec2 pos;
layout(location = 1) in ivec2 texCoord;
layout(location = 2) uniform vec2 windowSize;
layout(location = 1) out vec2 out_texCoord;
void main() {
gl_Position = vec4(pos / windowSize * vec2(2.0f, -2.0f) + vec2(-1.0f, 1.0f), 0.0f, 1.0f);
out_texCoord = texCoord;
}
""";
private static final String vertexSource3D = """
#version 450
layout(location = 0) in vec3 pos;
layout(location = 1) in vec2 texCoord;
layout(location = 2) uniform mat4 projection;
layout(location = 1) out vec2 out_texCoord;
void main() {
gl_Position = projection * vec4(pos, 1.0f);
out_texCoord = texCoord;
}
""";
private static final String vertexSourceScaler = """
#version 450
layout(location = 0) in vec2 pos;
@ -99,12 +46,8 @@ public class Window extends BaseWindow {
}
""";
private final Framebuffer framebuffer;
private final Program program;
private final Program program3D;
private final Program programScaler;
private final Mat4f projection;
private final RenderContext renderContext;
private final RenderContext3D renderContext3D;
private final Vec2i size;
private final boolean[] stateMouseClicked;
private final boolean[] stateMouseDown;
@ -113,6 +56,8 @@ public class Window extends BaseWindow {
private boolean debug;
private boolean shouldClose;
private Vec2i windowSize;
private final Pipeline2D pipeline2D;
private final Pipeline3D pipeline3D;
public Window(Vec2i size, String title, Engine engine) {
super(engine);
@ -150,25 +95,16 @@ public class Window extends BaseWindow {
framebuffer = new Framebuffer(size);
textureAtlas = new TextureAtlas();
program = new Program(vertexSource, fragmentSource);
program3D = new Program(vertexSource3D, fragmentSource3D);
programScaler = new Program(vertexSourceScaler, fragmentSourceScaler);
projection = Mat4f.perspective(Math.PI / 2, 16.0 / 9.0, 0.1, 100.0);
renderContext = new RenderContext(size,
program.getAttribLocation("texCoord"),
program.getUniformLocation("texOffset"),
program.getUniformLocation("texSize"),
program.getUniformLocation("tint")
);
pipeline2D = new Pipeline2D(size);
pipeline3D = new Pipeline3D(textureAtlas);
renderContext3D = new RenderContext3D(program3D.getAttribLocation(
"texCoord"), program3D.getUniformLocation("tint"));
renderContext3D.setTextureAtlas(textureAtlas);
glProgramUniform2f(program.getProgram(),
program.getUniformLocation("windowSize"),
glProgramUniform2f(programScaler.getProgram(),
programScaler.getUniformLocation("windowSize"),
size.getX(),
size.getY()
);
@ -298,7 +234,7 @@ public class Window extends BaseWindow {
@Override
public IRenderContext renderStart() {
program.use();
pipeline2D.use();
textureAtlas.bind();
framebuffer.bind();
glViewport(0, 0, size.getX(), size.getY());
@ -307,12 +243,12 @@ public class Window extends BaseWindow {
glClear(GL_DEPTH_BUFFER_BIT);
glDepthFunc(GL_ALWAYS);
//glBegin(GL_TRIANGLES);
return renderContext;
return pipeline2D.getRenderContext();
}
@Override
public IRenderContext3D renderStart3D() {
program3D.use();
pipeline3D.use();
textureAtlas.bind();
framebuffer.bind();
glViewport(0, 0, size.getX(), size.getY());
@ -321,12 +257,12 @@ public class Window extends BaseWindow {
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glDepthFunc(GL_LESS);
//glBegin(GL_TRIANGLES);
glUniformMatrix4fv(program3D.getUniformLocation("projection"),
glUniformMatrix4fv(pipeline3D.program.getUniformLocation("projection"),
true,
projection.asFloatArray()
);
return renderContext3D;
return pipeline3D.getRenderContext();
}
@Override

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@ -27,5 +27,7 @@ public interface IRenderContext {
void drawTextureRectangle(
Recti rect, ITexture texture, Color color, boolean repeat
);
void preFrame();
//todo: drawTextureRectangleRepeat
}

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@ -15,4 +15,6 @@ public interface IRenderContext3D {
void renderModel(Model model);
void renderTriangle(Vec3f p1, Vec3f p2, Vec3f p3);
void preFrame();
}