diff options
29 files changed, 207 insertions, 132 deletions
diff --git a/Jamroot.jam b/Jamroot.jam index ebe97a6..2275dd6 100644 --- a/Jamroot.jam +++ b/Jamroot.jam @@ -1,12 +1,10 @@ using gcc ; using pkg-config ; import pkg-config ; -import type : register ; -import type : type ; -import generators : register-standard ; import testing ; import lex ; import sequence ; +import glsl ; pkg-config.import sdl2 ; pkg-config.import glew ; @@ -50,26 +48,6 @@ project : requirements <toolset>tidy:<define>TIDY ; -type.register GL_VERTEX_SHADER : vs ; -type.register GL_GEOMETRY_SHADER : gs ; -type.register GL_FRAGMENT_SHADER : fs ; - -generators.register-standard embed.glsl : GL_VERTEX_SHADER : CPP(vs-%) H(vs-%) ; -generators.register-standard embed.glsl : GL_GEOMETRY_SHADER : CPP(gs-%) H(gs-%) ; -generators.register-standard embed.glsl : GL_FRAGMENT_SHADER : CPP(fs-%) H(fs-%) ; - -actions embed.glsl -{ - m4 -DNAME=$(2:B) -DTYPE=$(2:S) > $(1[2]) lib/embed-glsl.h.m4 - m4 -DSOURCE=$(2) -DNAME=$(2:B) -DTYPE=$(2:S) -DGLTYPE=$(OPTIONS) > $(1[1]) lib/embed-glsl.cpp.m4 -} -rule embed.glsl ( targets * : sources * : properties * ) -{ - DEPENDS $(targets) : lib/embed-glsl.h.m4 lib/embed-glsl.cpp.m4 ; - OPTIONS on $(targets) = [ type.type $(sources) ] ; -} -IMPORT $(__name__) : embed.glsl : : embed.glsl ; - exe iliketrains : application/main.cpp : diff --git a/assetFactory/asset.h b/assetFactory/asset.h index 30f40cd..dba4974 100644 --- a/assetFactory/asset.h +++ b/assetFactory/asset.h @@ -4,11 +4,11 @@ #include "persistence.h" #include <stdTypeDefs.hpp> -class Texture; +class TextureAtlas; class Asset : public Persistence::Persistable, public StdTypeDefs<Asset> { public: - using TexturePtr = std::shared_ptr<Texture>; + using TexturePtr = std::shared_ptr<TextureAtlas>; std::string id; std::string name; diff --git a/assetFactory/assetFactory.cpp b/assetFactory/assetFactory.cpp index 917edfe..46b4642 100644 --- a/assetFactory/assetFactory.cpp +++ b/assetFactory/assetFactory.cpp @@ -80,17 +80,11 @@ AssetFactory::parseColour(std::string_view in) const throw std::runtime_error("No such asset factory colour"); } -AssetFactory::TextureFragmentCoords -AssetFactory::getTextureCoords(std::string_view id) const +GLuint +AssetFactory::getMaterialIndex(std::string_view id) const { createTexutre(); - const auto & fragmentUV = textureFragmentPositions.at(id); - return { - fragmentUV.xy(), - fragmentUV.zy(), - fragmentUV.zw(), - fragmentUV.xw(), - }; + return textureFragmentPositions.at(id); } Asset::TexturePtr @@ -103,7 +97,7 @@ AssetFactory::getTexture() const void AssetFactory::createTexutre() const { - if (!textureFragments.empty() && (!texture || textureFragmentPositions.empty())) { + if (!textureFragments.empty() && !texture) { // * layout images std::vector<TexturePacker::Image> imageSizes; std::transform( @@ -112,18 +106,14 @@ AssetFactory::createTexutre() const }); const auto [layout, outSize] = TexturePacker {imageSizes}.pack(); // * create texture - texture = std::make_shared<Texture>(outSize.x, outSize.y, TextureOptions {.wrap = GL_CLAMP_TO_EDGE}); + texture = std::make_shared<TextureAtlas>(outSize.x, outSize.y, layout.size()); std::transform(textureFragments.begin(), textureFragments.end(), std::inserter(textureFragmentPositions, textureFragmentPositions.end()), - [position = layout.begin(), size = imageSizes.begin(), outSize = glm::vec2 {outSize}]( - const auto & tf) mutable { - const auto positionFraction = glm::vec4 {*position, *position + *size} / outSize.xyxy(); - glTexSubImage2D(GL_TEXTURE_2D, 0, static_cast<GLint>(position->x), static_cast<GLint>(position->y), - static_cast<GLint>(size->x), static_cast<GLint>(size->y), GL_RGBA, GL_UNSIGNED_BYTE, - tf.second->image->data.data()); + [position = layout.begin(), size = imageSizes.begin(), this](const auto & tf) mutable { + const auto m = texture->add(*position, *size, tf.second->image->data.data()); position++; size++; - return decltype(textureFragmentPositions)::value_type {tf.first, positionFraction}; + return decltype(textureFragmentPositions)::value_type {tf.first, m}; }); } } diff --git a/assetFactory/assetFactory.h b/assetFactory/assetFactory.h index 7843d44..9e5d205 100644 --- a/assetFactory/assetFactory.h +++ b/assetFactory/assetFactory.h @@ -23,7 +23,7 @@ public: AssetFactory(); [[nodiscard]] static std::shared_ptr<AssetFactory> loadXML(const std::filesystem::path &); [[nodiscard]] ColourAlpha parseColour(std::string_view) const; - [[nodiscard]] TextureFragmentCoords getTextureCoords(std::string_view) const; + [[nodiscard]] GLuint getMaterialIndex(std::string_view) const; [[nodiscard]] Asset::TexturePtr getTexture() const; Shapes shapes; @@ -42,5 +42,5 @@ private: void createTexutre() const; mutable Asset::TexturePtr texture; - mutable std::map<std::string_view, glm::vec4, std::less<>> textureFragmentPositions; + mutable std::map<std::string_view, GLuint, std::less<>> textureFragmentPositions; }; diff --git a/assetFactory/assimp.cpp b/assetFactory/assimp.cpp index 0c6cb86..878e7e7 100644 --- a/assetFactory/assimp.cpp +++ b/assetFactory/assimp.cpp @@ -29,12 +29,12 @@ operator!(const aiVector3t<T> & v) (parent)->m##member, (parent)->mNum##member \ } -using ScemeCPtr = std::shared_ptr<const aiScene>; +using SceneCPtr = std::shared_ptr<const aiScene>; class AssImpNode : public Shape { public: - AssImpNode(ScemeCPtr scene, const aiNode * node) : scene(std::move(scene)), node(node) { } + AssImpNode(SceneCPtr scene, const aiNode * node) : scene(std::move(scene)), node(node) { } - ScemeCPtr scene; + SceneCPtr scene; const aiNode * node; CreatedFaces @@ -64,11 +64,11 @@ public: }; const auto & m = *scene->mMaterials[amesh->mMaterialIndex]; - AssetFactory::TextureFragmentCoords tfc; + GLuint material {}; if (auto mf = Persistence::ParseBase::getShared<AssetFactory>("assetFactory")) { aiString path; m.Get(AI_MATKEY_TEXTURE_DIFFUSE(0), path); - tfc = mf->getTextureCoords(path.C_Str()); + material = mf->getMaterialIndex(path.C_Str()); } for (const auto & f : AIRANGE(amesh, Faces)) { @@ -79,8 +79,8 @@ public: if (amesh->HasTextureCoords(0)) { for (auto idx = f.mIndices; const auto fheh : mesh.fh_range(fh)) { const auto ouv = !amesh->mTextureCoords[0][*idx++]; - const auto uv = glm::mix(tfc[0], tfc[2], ouv); - mesh.set_texcoord2D(fheh, uv); + mesh.set_texcoord2D(fheh, ouv); + mesh.property(mesh.materialFaceProperty, fh) = material; } } } @@ -90,7 +90,7 @@ public: void AssImp::postLoad() { - ScemeCPtr scene { + SceneCPtr scene { aiImportFile(Resource::mapPath(path).c_str(), aiProcess_RemoveRedundantMaterials), &aiReleaseImport}; if (!scene) { throw std::runtime_error("Failed to load asset library: " + path); diff --git a/assetFactory/factoryMesh.cpp b/assetFactory/factoryMesh.cpp index 4922936..f7bc7c8 100644 --- a/assetFactory/factoryMesh.cpp +++ b/assetFactory/factoryMesh.cpp @@ -18,6 +18,7 @@ FactoryMesh::createMesh() const for (const auto & face : mesh.faces()) { const auto & smooth = mesh.property(mesh.smoothFaceProperty, face); const auto & colour = mesh.color(face); + const auto & material = mesh.property(mesh.materialFaceProperty, face); std::vector<unsigned int> faceIndices; for (const auto & heh : mesh.fh_range(face)) { @@ -26,7 +27,7 @@ FactoryMesh::createMesh() const const auto & point = mesh.point(vertex); const auto & normal = smooth ? mesh.property(mesh.vertex_normals_pph(), vertex) : mesh.property(mesh.face_normals_pph(), face); - Vertex outVertex {point, textureUV, normal, colour}; + Vertex outVertex {point, textureUV, normal, colour, material}; if (const auto existingItr = std::find(vertices.rbegin(), vertices.rend(), outVertex); existingItr != vertices.rend()) { faceIndices.push_back(static_cast<unsigned int>(std::distance(existingItr, vertices.rend()) - 1)); diff --git a/assetFactory/modelFactoryMesh.cpp b/assetFactory/modelFactoryMesh.cpp index e640502..3d4b5f3 100644 --- a/assetFactory/modelFactoryMesh.cpp +++ b/assetFactory/modelFactoryMesh.cpp @@ -3,6 +3,7 @@ ModelFactoryMesh::ModelFactoryMesh() { add_property(smoothFaceProperty); + add_property(materialFaceProperty); add_property(nameFaceProperty); add_property(nameAdjFaceProperty); } diff --git a/assetFactory/modelFactoryMesh.h b/assetFactory/modelFactoryMesh.h index 8ac2edd..4eac7ee 100644 --- a/assetFactory/modelFactoryMesh.h +++ b/assetFactory/modelFactoryMesh.h @@ -1,6 +1,7 @@ #pragma once #include "modelFactoryMesh_fwd.h" +#include <GL/glew.h> #include <OpenMesh/Core/Mesh/PolyMesh_ArrayKernelT.hh> #include <OpenMesh/Core/Mesh/Traits.hh> #include <glm/geometric.hpp> @@ -47,6 +48,7 @@ struct ModelFactoryMesh : public OpenMesh::PolyMesh_ArrayKernelT<ModelFactoryTra ModelFactoryMesh(); OpenMesh::FPropHandleT<bool> smoothFaceProperty; + OpenMesh::FPropHandleT<GLuint> materialFaceProperty; OpenMesh::FPropHandleT<std::string> nameFaceProperty; OpenMesh::HPropHandleT<std::string> nameAdjFaceProperty; diff --git a/assetFactory/style.cpp b/assetFactory/style.cpp index 12346a6..ea67fc2 100644 --- a/assetFactory/style.cpp +++ b/assetFactory/style.cpp @@ -30,7 +30,14 @@ Style::applyStyle( else { mesh.set_color(face, {}); if (auto mf = Persistence::ParseBase::getShared<const AssetFactory>("assetFactory")) { - auto coords = mf->getTextureCoords(texture); + const auto material = mf->getMaterialIndex(texture); + mesh.property(mesh.materialFaceProperty, face) = material; + static constexpr std::array<ModelFactoryTraits::TexCoord2D, 4> coords {{ + {0.f, 0.f}, + {1.f, 0.f}, + {1.f, 1.f}, + {0.f, 1.f}, + }}; auto coord = coords.begin(); // Wild assumption that face is a quad and the texture should apply linearly for (const auto & heh : mesh.fh_range(face)) { diff --git a/game/scenary/foliage.h b/game/scenary/foliage.h index 229bccb..b85aab2 100644 --- a/game/scenary/foliage.h +++ b/game/scenary/foliage.h @@ -5,6 +5,7 @@ class SceneShader; class ShadowMapper; class Location; +class Texture; class Foliage : public Asset, public StdTypeDefs<Foliage> { Mesh::Ptr bodyMesh; 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 {}; }; diff --git a/glsl.jam b/glsl.jam new file mode 100644 index 0000000..87dee61 --- /dev/null +++ b/glsl.jam @@ -0,0 +1,36 @@ +import type : register ; +import type : type ; +import generators : register-standard ; +import scanner : register ; + +type.register GL_VERTEX_SHADER : vs ; +type.register GL_GEOMETRY_SHADER : gs ; +type.register GL_FRAGMENT_SHADER : fs ; + +generators.register-standard glsl.embed : GL_VERTEX_SHADER : CPP(vs-%) H(vs-%) ; +generators.register-standard glsl.embed : GL_GEOMETRY_SHADER : CPP(gs-%) H(gs-%) ; +generators.register-standard glsl.embed : GL_FRAGMENT_SHADER : CPP(fs-%) H(fs-%) ; + +class m4-scanner : common-scanner { + rule pattern ( ) { + return "s?include\\(`([^']*)'\\)" ; + } +} + +scanner.register m4-scanner : include ; + +type.set-scanner GL_VERTEX_SHADER : m4-scanner ; +type.set-scanner GL_GEOMETRY_SHADER : m4-scanner ; +type.set-scanner GL_FRAGMENT_SHADER : m4-scanner ; + +actions glsl.embed +{ + m4 -I$(2:D) -DNAME=$(2:B) -DTYPE=$(2:S) > $(1[2]) lib/embed-glsl.h.m4 + m4 -I$(2:D) -DSOURCE=$(2) -DNAME=$(2:B) -DTYPE=$(2:S) -DGLTYPE=$(OPTIONS) > $(1[1]) lib/embed-glsl.cpp.m4 +} + +rule glsl.embed ( targets * : sources * : properties * ) +{ + DEPENDS $(targets) : lib/embed-glsl.h.m4 lib/embed-glsl.cpp.m4 ; + OPTIONS on $(targets) = [ type.type $(sources) ] ; +} diff --git a/lib/gl_traits.hpp b/lib/gl_traits.hpp index d140de9..e2e689d 100644 --- a/lib/gl_traits.hpp +++ b/lib/gl_traits.hpp @@ -6,37 +6,50 @@ #include <glm/fwd.hpp> template<typename T> struct gl_traits; -template<> struct gl_traits<glm::f32> { - static constexpr GLenum type {GL_FLOAT}; +struct gl_traits_base { static constexpr GLint size {1}; }; -template<> struct gl_traits<glm::f64> { +struct gl_traits_float : public gl_traits_base { + static constexpr auto vertexAttribFunc { + [](GLuint index, GLint size, GLenum type, GLsizei stride, const void * pointer) { + glVertexAttribPointer(index, size, type, GL_FALSE, stride, pointer); + }}; +}; +struct gl_traits_longfloat : public gl_traits_base { + static constexpr auto vertexAttribFunc { + [](GLuint index, GLint size, GLenum type, GLsizei stride, const void * pointer) { + glVertexAttribLPointer(index, size, type, stride, pointer); + }}; +}; +struct gl_traits_integer : public gl_traits_base { + static constexpr auto vertexAttribFunc { + [](GLuint index, GLint size, GLenum type, GLsizei stride, const void * pointer) { + glVertexAttribIPointer(index, size, type, stride, pointer); + }}; +}; +template<> struct gl_traits<glm::f32> : public gl_traits_float { + static constexpr GLenum type {GL_FLOAT}; +}; +template<> struct gl_traits<glm::f64> : public gl_traits_longfloat { static constexpr GLenum type {GL_DOUBLE}; - static constexpr GLint size {1}; }; -template<> struct gl_traits<glm::int8> { +template<> struct gl_traits<glm::int8> : public gl_traits_integer { static constexpr GLenum type {GL_BYTE}; - static constexpr GLint size {1}; }; -template<> struct gl_traits<glm::int16> { +template<> struct gl_traits<glm::int16> : public gl_traits_integer { static constexpr GLenum type {GL_SHORT}; - static constexpr GLint size {1}; }; -template<> struct gl_traits<glm::int32> { +template<> struct gl_traits<glm::int32> : public gl_traits_integer { static constexpr GLenum type {GL_INT}; - static constexpr GLint size {1}; }; -template<> struct gl_traits<glm::uint8> { +template<> struct gl_traits<glm::uint8> : public gl_traits_integer { static constexpr GLenum type {GL_UNSIGNED_BYTE}; - static constexpr GLint size {1}; }; -template<> struct gl_traits<glm::uint16> { +template<> struct gl_traits<glm::uint16> : public gl_traits_integer { static constexpr GLenum type {GL_UNSIGNED_SHORT}; - static constexpr GLint size {1}; }; -template<> struct gl_traits<glm::uint32> { +template<> struct gl_traits<glm::uint32> : public gl_traits_integer { static constexpr GLenum type {GL_UNSIGNED_INT}; - static constexpr GLint size {1}; }; template<typename T, std::size_t S> struct gl_traits<std::array<T, S>> : public gl_traits<T> { |