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author | Dan Goodliffe <dan@randomdan.homeip.net> | 2023-04-13 23:06:39 +0100 |
---|---|---|
committer | Dan Goodliffe <dan@randomdan.homeip.net> | 2023-04-13 23:06:39 +0100 |
commit | 1c8e84d9503237e7a308107a0a44fbc7f188c700 (patch) | |
tree | 60e80d7f4e91621bc62cb5fb2f6c61aae631b4d9 /gfx | |
parent | Load assimp textures in parallel (diff) | |
parent | Fix typo in name SceneCPtr (diff) | |
download | ilt-1c8e84d9503237e7a308107a0a44fbc7f188c700.tar.bz2 ilt-1c8e84d9503237e7a308107a0a44fbc7f188c700.tar.xz ilt-1c8e84d9503237e7a308107a0a44fbc7f188c700.zip |
Merge branch 'materials' into assimp
Diffstat (limited to 'gfx')
-rw-r--r-- | gfx/gl/shaders/basicShader.fs | 31 | ||||
-rw-r--r-- | gfx/gl/shaders/basicShader.vs | 12 | ||||
-rw-r--r-- | gfx/gl/shaders/geometryOut.glsl | 3 | ||||
-rw-r--r-- | gfx/gl/shaders/landmassShader.fs | 9 | ||||
-rw-r--r-- | gfx/gl/shaders/landmassShader.vs | 12 | ||||
-rw-r--r-- | gfx/gl/shaders/lightingShader.vs | 2 | ||||
-rw-r--r-- | gfx/gl/shaders/materialInterface.glsl | 7 | ||||
-rw-r--r-- | gfx/gl/shaders/meshIn.glsl | 5 | ||||
-rw-r--r-- | gfx/gl/shaders/shadowDynamicPoint.vs | 2 | ||||
-rw-r--r-- | gfx/gl/shaders/shadowFixedPoint.vs | 2 | ||||
-rw-r--r-- | gfx/gl/shaders/waterShader.fs | 9 | ||||
-rw-r--r-- | gfx/gl/shaders/waterShader.vs | 9 | ||||
-rw-r--r-- | gfx/gl/vertexArrayObject.hpp | 2 | ||||
-rw-r--r-- | gfx/models/mesh.cpp | 3 | ||||
-rw-r--r-- | gfx/models/texture.cpp | 32 | ||||
-rw-r--r-- | gfx/models/texture.h | 19 | ||||
-rw-r--r-- | gfx/models/vertex.hpp | 9 |
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 {}; }; |