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-rw-r--r--gfx/gl/shaders/basicShader.fs31
-rw-r--r--gfx/gl/shaders/basicShader.vs12
-rw-r--r--gfx/gl/shaders/geometryOut.glsl3
-rw-r--r--gfx/gl/shaders/landmassShader.fs9
-rw-r--r--gfx/gl/shaders/landmassShader.vs12
-rw-r--r--gfx/gl/shaders/lightingShader.vs2
-rw-r--r--gfx/gl/shaders/materialInterface.glsl7
-rw-r--r--gfx/gl/shaders/meshIn.glsl5
-rw-r--r--gfx/gl/shaders/shadowDynamicPoint.vs2
-rw-r--r--gfx/gl/shaders/shadowFixedPoint.vs2
-rw-r--r--gfx/gl/shaders/waterShader.fs9
-rw-r--r--gfx/gl/shaders/waterShader.vs9
-rw-r--r--gfx/gl/vertexArrayObject.hpp2
-rw-r--r--gfx/models/mesh.cpp3
-rw-r--r--gfx/models/texture.cpp32
-rw-r--r--gfx/models/texture.h19
-rw-r--r--gfx/models/vertex.hpp9
17 files changed, 107 insertions, 61 deletions
diff --git a/gfx/gl/shaders/basicShader.fs b/gfx/gl/shaders/basicShader.fs
index 24b2791..8a72e6d 100644
--- a/gfx/gl/shaders/basicShader.fs
+++ b/gfx/gl/shaders/basicShader.fs
@@ -1,22 +1,29 @@
#version 330 core
+#extension GL_ARB_shading_language_420pack : enable
-in vec3 FragPos;
-in vec2 TexCoords;
-in vec3 Normal;
-in vec4 Colour;
+include(`materialInterface.glsl')
+include(`geometryOut.glsl')
-out vec4 gPosition;
-out vec4 gNormal;
-out vec4 gAlbedoSpec;
+layout(binding = 0) uniform sampler2D texture0;
+layout(binding = 1) uniform usampler2DRect material;
-uniform sampler2D texture0;
+vec4 getTextureColour(uint midx, vec2 uv)
+{
+ if (midx > 0u) {
+ const vec2 tSize = textureSize(texture0, 0);
+ const vec4 sPosSize = texture(material, uvec2(0, midx - 1u));
+ uv = (sPosSize.xy + sPosSize.zw * fract(uv)) / tSize;
+ }
+ return texture(texture0, uv);
+}
void
main()
{
- vec4 textureColour = texture(texture0, TexCoords);
- float clear = round(mix(textureColour.a, 1, Colour.a));
- gPosition = vec4(FragPos, clear);
- gNormal = vec4(Normal, clear);
+ vec4 textureColour = getTextureColour(Material, TexCoords);
+ float opaque = step(0.5, mix(textureColour.a, 1, Colour.a));
+ gPosition = vec4(FragPos, opaque);
+ gNormal = vec4(Normal, opaque);
+ gl_FragDepth = mix(1.0, gl_FragCoord.z, opaque);
gAlbedoSpec = mix(textureColour, vec4(Colour.rgb, 1), Colour.a);
}
diff --git a/gfx/gl/shaders/basicShader.vs b/gfx/gl/shaders/basicShader.vs
index ff9a401..e1701ed 100644
--- a/gfx/gl/shaders/basicShader.vs
+++ b/gfx/gl/shaders/basicShader.vs
@@ -1,14 +1,7 @@
#version 330 core
-in vec3 position;
-in vec2 texCoord;
-in vec3 normal;
-in vec4 colour;
-
-out vec3 FragPos;
-out vec2 TexCoords;
-out vec3 Normal;
-out vec4 Colour;
+include(`meshIn.glsl')
+include(`materialInterface.glsl')
uniform mat4 viewProjection;
uniform mat4 model;
@@ -22,6 +15,7 @@ main()
TexCoords = texCoord;
Normal = (model * vec4(normal, 0.0)).xyz;
Colour = colour;
+ Material = material;
gl_Position = viewProjection * worldPos;
}
diff --git a/gfx/gl/shaders/geometryOut.glsl b/gfx/gl/shaders/geometryOut.glsl
new file mode 100644
index 0000000..dc5f8e8
--- /dev/null
+++ b/gfx/gl/shaders/geometryOut.glsl
@@ -0,0 +1,3 @@
+layout(location = 0) out vec4 gPosition;
+layout(location = 1) out vec4 gNormal;
+layout(location = 2) out vec4 gAlbedoSpec;
diff --git a/gfx/gl/shaders/landmassShader.fs b/gfx/gl/shaders/landmassShader.fs
index 7c08e8e..f3cc3e8 100644
--- a/gfx/gl/shaders/landmassShader.fs
+++ b/gfx/gl/shaders/landmassShader.fs
@@ -1,12 +1,7 @@
#version 330 core
-in vec3 FragPos;
-in vec2 TexCoords;
-in vec3 Normal;
-
-layout(location = 0) out vec4 gPosition;
-layout(location = 1) out vec4 gNormal;
-layout(location = 2) out vec4 gAlbedoSpec;
+include(`materialInterface.glsl')
+include(`geometryOut.glsl')
uniform sampler2D texture0;
diff --git a/gfx/gl/shaders/landmassShader.vs b/gfx/gl/shaders/landmassShader.vs
index 30c4ef4..0cc8153 100644
--- a/gfx/gl/shaders/landmassShader.vs
+++ b/gfx/gl/shaders/landmassShader.vs
@@ -1,14 +1,7 @@
#version 330 core
-in vec3 position;
-in vec2 texCoord;
-in vec3 normal;
-in vec4 colour;
-
-out vec3 FragPos;
-out vec2 TexCoords;
-out vec3 Normal;
-out vec4 Colour;
+include(`meshIn.glsl')
+include(`materialInterface.glsl')
uniform mat4 viewProjection;
@@ -19,6 +12,7 @@ main()
TexCoords = texCoord;
Normal = normal;
Colour = colour;
+ Material = material;
gl_Position = viewProjection * vec4(position, 1.0);
}
diff --git a/gfx/gl/shaders/lightingShader.vs b/gfx/gl/shaders/lightingShader.vs
index 2271d2e..e07cd0a 100644
--- a/gfx/gl/shaders/lightingShader.vs
+++ b/gfx/gl/shaders/lightingShader.vs
@@ -1,6 +1,6 @@
#version 330 core
-in vec4 position;
+in ivec4 position;
out vec2 TexCoords;
diff --git a/gfx/gl/shaders/materialInterface.glsl b/gfx/gl/shaders/materialInterface.glsl
new file mode 100644
index 0000000..5735cf9
--- /dev/null
+++ b/gfx/gl/shaders/materialInterface.glsl
@@ -0,0 +1,7 @@
+ifelse(TYPE, .fs, in, out) vec3 FragPos;
+ifelse(TYPE, .fs, in, out) vec2 TexCoords;
+ifelse(TYPE, .fs, in, out) vec3 Normal;
+ifelse(TYPE, .fs, in, out) vec4 Colour;
+flat
+ifelse(TYPE, .fs, in, out)
+uint Material;
diff --git a/gfx/gl/shaders/meshIn.glsl b/gfx/gl/shaders/meshIn.glsl
new file mode 100644
index 0000000..dd84a10
--- /dev/null
+++ b/gfx/gl/shaders/meshIn.glsl
@@ -0,0 +1,5 @@
+layout(location = 0) in vec3 position;
+layout(location = 1) in vec2 texCoord;
+layout(location = 2) in vec3 normal;
+layout(location = 3) in vec4 colour;
+layout(location = 4) in uint material;
diff --git a/gfx/gl/shaders/shadowDynamicPoint.vs b/gfx/gl/shaders/shadowDynamicPoint.vs
index 6ea352f..531d8de 100644
--- a/gfx/gl/shaders/shadowDynamicPoint.vs
+++ b/gfx/gl/shaders/shadowDynamicPoint.vs
@@ -1,6 +1,6 @@
#version 330 core
-in vec3 position;
+include(`meshIn.glsl')
uniform mat4 viewProjection;
uniform mat4 model;
diff --git a/gfx/gl/shaders/shadowFixedPoint.vs b/gfx/gl/shaders/shadowFixedPoint.vs
index 246890c..c9fa19b 100644
--- a/gfx/gl/shaders/shadowFixedPoint.vs
+++ b/gfx/gl/shaders/shadowFixedPoint.vs
@@ -1,6 +1,6 @@
#version 330 core
-layout(location = 0) in vec3 position;
+include(`meshIn.glsl')
uniform mat4 viewProjection;
diff --git a/gfx/gl/shaders/waterShader.fs b/gfx/gl/shaders/waterShader.fs
index d242566..5936da4 100644
--- a/gfx/gl/shaders/waterShader.fs
+++ b/gfx/gl/shaders/waterShader.fs
@@ -1,13 +1,8 @@
#version 330 core
#extension GL_ARB_shading_language_420pack : enable
-in vec3 FragPos;
-in vec2 TexCoords;
-in vec3 Normal;
-
-out vec4 gPosition;
-out vec4 gNormal;
-out vec4 gAlbedoSpec;
+include(`materialInterface.glsl')
+include(`geometryOut.glsl')
uniform sampler2D texture0;
uniform vec3 waves;
diff --git a/gfx/gl/shaders/waterShader.vs b/gfx/gl/shaders/waterShader.vs
index fe9206f..a21b49f 100644
--- a/gfx/gl/shaders/waterShader.vs
+++ b/gfx/gl/shaders/waterShader.vs
@@ -1,12 +1,7 @@
#version 330 core
-in vec3 position;
-in vec2 texCoord;
-in vec3 normal;
-
-out vec3 FragPos;
-out vec2 TexCoords;
-out vec3 Normal;
+include(`meshIn.glsl')
+include(`materialInterface.glsl')
uniform mat4 viewProjection;
uniform vec3 waves;
diff --git a/gfx/gl/vertexArrayObject.hpp b/gfx/gl/vertexArrayObject.hpp
index c0273c0..5b9fc60 100644
--- a/gfx/gl/vertexArrayObject.hpp
+++ b/gfx/gl/vertexArrayObject.hpp
@@ -61,7 +61,7 @@ private:
{
glEnableVertexAttribArray(vertexArrayId);
using traits = gl_traits<T>;
- glVertexAttribPointer(vertexArrayId, traits::size, traits::type, GL_FALSE, sizeof(Vertex), ptr);
+ traits::vertexAttribFunc(vertexArrayId, traits::size, traits::type, sizeof(Vertex), ptr);
}
template<auto Vertex::*attrib>
diff --git a/gfx/models/mesh.cpp b/gfx/models/mesh.cpp
index 3db1ad5..2719211 100644
--- a/gfx/models/mesh.cpp
+++ b/gfx/models/mesh.cpp
@@ -7,7 +7,8 @@
Mesh::Mesh(const std::span<const Vertex> vertices, const std::span<const unsigned int> indices, GLenum m) :
m_numIndices {static_cast<GLsizei>(indices.size())}, mode {m}
{
- VertexArrayObject<Vertex>::configure<&Vertex::pos, &Vertex::texCoord, &Vertex::normal, &Vertex::colour>(
+ VertexArrayObject<Vertex>::configure<&Vertex::pos, &Vertex::texCoord, &Vertex::normal, &Vertex::colour,
+ &Vertex::material>(
m_vertexArrayObject, m_vertexArrayBuffers[0], m_vertexArrayBuffers[1], vertices, indices);
}
diff --git a/gfx/models/texture.cpp b/gfx/models/texture.cpp
index efc76e1..a500fed 100644
--- a/gfx/models/texture.cpp
+++ b/gfx/models/texture.cpp
@@ -85,3 +85,35 @@ Texture::saveNormal(const glTexture & texture, const glm::ivec2 & size, const ch
{
save(texture, GL_BGR, GL_BYTE, size, 3, path, 2);
}
+
+TextureAtlas::TextureAtlas(GLsizei width, GLsizei height, GLuint count) : Texture(width, height, nullptr, {})
+{
+ glBindTexture(GL_TEXTURE_RECTANGLE, m_atlas);
+
+ glTexParameteri(GL_TEXTURE_RECTANGLE, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+ glTexParameteri(GL_TEXTURE_RECTANGLE, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+
+ glTexParameteri(GL_TEXTURE_RECTANGLE, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+ glTexParameteri(GL_TEXTURE_RECTANGLE, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+ glTexImage2D(GL_TEXTURE_RECTANGLE, 0, GL_RGBA16UI, 2, static_cast<GLsizei>(count), 0, GL_RGBA_INTEGER,
+ GL_UNSIGNED_BYTE, nullptr);
+}
+
+void
+TextureAtlas::bind(GLenum unit) const
+{
+ Texture::bind(unit);
+ glActiveTexture(unit + 1);
+ glBindTexture(GL_TEXTURE_RECTANGLE, m_atlas);
+}
+
+GLuint
+TextureAtlas::add(glm::ivec2 position, glm::ivec2 size, void * data, TextureOptions)
+{
+ glTextureSubImage2D(m_texture, 0, position.x, position.y, size.x, size.y, GL_RGBA, GL_UNSIGNED_BYTE, data);
+ struct Material {
+ glm::vec<2, uint16_t> position, size, unused1 {}, unused2 {};
+ } material {position, size};
+ glTextureSubImage2D(m_atlas, 0, 0, static_cast<GLsizei>(used), 2, 1, GL_RGBA_INTEGER, GL_UNSIGNED_SHORT, &material);
+ return ++used;
+}
diff --git a/gfx/models/texture.h b/gfx/models/texture.h
index ffc9a4a..7900f17 100644
--- a/gfx/models/texture.h
+++ b/gfx/models/texture.h
@@ -16,6 +16,9 @@ struct TextureOptions {
class Texture {
public:
+ virtual ~Texture() = default;
+ DEFAULT_MOVE_NO_COPY(Texture);
+
explicit Texture(const std::filesystem::path & fileName, TextureOptions = {});
explicit Texture(const Image & image, TextureOptions = {});
explicit Texture(GLsizei width, GLsizei height, TextureOptions = {});
@@ -23,17 +26,29 @@ public:
static Cache<Texture, std::filesystem::path> cachedTexture;
- void bind(GLenum unit = GL_TEXTURE0) const;
+ virtual void bind(GLenum unit = GL_TEXTURE0) const;
void save(const glm::ivec2 & size, const char * path) const;
static void save(const glTexture &, const glm::ivec2 & size, const char * path);
static void saveDepth(const glTexture &, const glm::ivec2 & size, const char * path);
static void saveNormal(const glTexture &, const glm::ivec2 & size, const char * path);
-private:
+protected:
static void save(const glTexture &, GLenum, GLenum, const glm::ivec2 & size, unsigned short channels,
const char * path, short tgaFormat);
glTexture m_texture;
GLenum type;
};
+
+class TextureAtlas : public Texture {
+public:
+ TextureAtlas(GLsizei width, GLsizei height, GLuint count);
+
+ void bind(GLenum unit = GL_TEXTURE0) const override;
+ GLuint add(glm::ivec2 position, glm::ivec2 size, void * data, TextureOptions = {});
+
+private:
+ glTexture m_atlas;
+ GLuint used {};
+};
diff --git a/gfx/models/vertex.hpp b/gfx/models/vertex.hpp
index 64ec3d0..181e7e7 100644
--- a/gfx/models/vertex.hpp
+++ b/gfx/models/vertex.hpp
@@ -1,12 +1,14 @@
#pragma once
+#include <GL/glew.h>
#include <glm/glm.hpp>
class Vertex {
public:
#ifndef __cpp_aggregate_paren_init
- constexpr Vertex(glm::vec3 pos, glm::vec2 texCoord, glm::vec3 normal, glm::vec4 colour = {}) :
- pos {std::move(pos)}, texCoord {std::move(texCoord)}, normal {std::move(normal)}, colour {std::move(colour)}
+ constexpr Vertex(glm::vec3 pos, glm::vec2 texCoord, glm::vec3 normal, glm::vec4 colour = {}, GLuint material = 0) :
+ pos {std::move(pos)}, texCoord {std::move(texCoord)}, normal {std::move(normal)}, colour {std::move(colour)},
+ material {material}
{
}
#endif
@@ -16,5 +18,6 @@ public:
glm::vec3 pos;
glm::vec2 texCoord;
glm::vec3 normal;
- glm::vec4 colour;
+ glm::vec4 colour {};
+ GLuint material {};
};
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-23 11:41:41 +0000