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-rw-r--r--gfx/gl/sceneRenderer.cpp6
-rw-r--r--gfx/gl/sceneShader.cpp8
-rw-r--r--gfx/gl/vertexArrayObject.hpp78
3 files changed, 50 insertions, 42 deletions
diff --git a/gfx/gl/sceneRenderer.cpp b/gfx/gl/sceneRenderer.cpp
index 873dc5b..6542bea 100644
--- a/gfx/gl/sceneRenderer.cpp
+++ b/gfx/gl/sceneRenderer.cpp
@@ -18,7 +18,7 @@ SceneRenderer::SceneRenderer(glm::ivec2 s, GLuint o) :
lighting {lighting_vs, lighting_fs}, shadowMapper {{2048, 2048}}
{
shader.setViewPort({0, 0, size.x, size.y});
- VertexArrayObject<glm::i8vec4>::configure(displayVAO, displayVBO, displayVAOdata);
+ VertexArrayObject {displayVAO}.addAttribs<glm::i8vec4>(displayVBO, displayVAOdata);
glBindFramebuffer(GL_FRAMEBUFFER, gBuffer);
const auto configuregdata
@@ -128,8 +128,8 @@ SceneRenderer::renderQuad() const
SceneRenderer::DirectionalLightProgram::DirectionalLightProgram() :
Program {lighting_vs, directionalLight_fs}, directionLoc {*this, "lightDirection"},
colourLoc {*this, "lightColour"}, lightViewProjectionLoc {*this, "lightViewProjection"},
- lightViewProjectionCountLoc {*this, "lightViewProjectionCount"}, lightViewShadowMapRegionLoc {
- *this, "shadowMapRegion"}
+ lightViewProjectionCountLoc {*this, "lightViewProjectionCount"},
+ lightViewShadowMapRegionLoc {*this, "shadowMapRegion"}
{
}
diff --git a/gfx/gl/sceneShader.cpp b/gfx/gl/sceneShader.cpp
index 37eacbd..bccd970 100644
--- a/gfx/gl/sceneShader.cpp
+++ b/gfx/gl/sceneShader.cpp
@@ -88,7 +88,7 @@ SceneShader::WaterProgram::use(float waveCycle) const
SceneShader::PointLightShader::PointLightShader() :
SceneProgram {pointLight_vs, pointLight_gs, pointLight_fs}, colourLoc {*this, "colour"}, kqLoc {*this, "kq"}
{
- VertexArrayObject<glm::vec3>::configure(va, b);
+ VertexArrayObject {va}.addAttribs<glm::vec3>(b);
}
void
@@ -99,7 +99,7 @@ SceneShader::PointLightShader::add(const glm::vec3 & position, const glm::vec3 &
glBindBuffer(GL_ARRAY_BUFFER, b);
glUniform3fv(colourLoc, 1, glm::value_ptr(colour));
glUniform1f(kqLoc, kq);
- glBufferSubData(GL_ARRAY_BUFFER, 0, sizeof(glm::vec3), glm::value_ptr(position));
+ glBufferData(GL_ARRAY_BUFFER, sizeof(glm::vec3), glm::value_ptr(position), GL_DYNAMIC_DRAW);
glDrawArrays(GL_POINTS, 0, 1);
}
@@ -108,7 +108,7 @@ SceneShader::SpotLightShader::SpotLightShader() :
colourLoc {*this, "colour"}, kqLoc {*this, "kq"}, arcLoc {*this, "arc"}
{
using v3pair = std::pair<glm::vec3, glm::vec3>;
- VertexArrayObject<v3pair>::configure<&v3pair::first, &v3pair::second>(va, b);
+ VertexArrayObject {va}.addAttribs<v3pair, &v3pair::first, &v3pair::second>(b);
}
void
@@ -122,6 +122,6 @@ SceneShader::SpotLightShader::add(const glm::vec3 & position, const glm::vec3 &
glUniform3fv(directionLoc, 1, glm::value_ptr(direction));
glUniform1f(kqLoc, kq);
glUniform1f(arcLoc, arc);
- glBufferSubData(GL_ARRAY_BUFFER, 0, sizeof(glm::vec3), glm::value_ptr(position));
+ glBufferData(GL_ARRAY_BUFFER, sizeof(glm::vec3), glm::value_ptr(position), GL_DYNAMIC_DRAW);
glDrawArrays(GL_POINTS, 0, 1);
}
diff --git a/gfx/gl/vertexArrayObject.hpp b/gfx/gl/vertexArrayObject.hpp
index 5b9fc60..3e2a18b 100644
--- a/gfx/gl/vertexArrayObject.hpp
+++ b/gfx/gl/vertexArrayObject.hpp
@@ -2,47 +2,56 @@
#include "collections.hpp"
#include "gl_traits.hpp"
+#include "special_members.hpp"
#include <GL/glew.h>
-#include <glm/common.hpp>
-template<typename Vertex> class VertexArrayObject {
+class VertexArrayObject {
public:
- template<auto Vertex::*... attribs>
- static void
- configure(const GLuint arrayObject, const GLuint arrayBuffer, const GLuint indexBuffer,
- const SequentialCollection<Vertex> auto & vertices, const SequentialCollection<unsigned int> auto & indices)
+ [[nodiscard]] VertexArrayObject(const GLuint arrayObject)
{
glBindVertexArray(arrayObject);
-
- configure_attribs<attribs...>(arrayBuffer);
- data(vertices, arrayBuffer, GL_ARRAY_BUFFER);
- data(indices, indexBuffer, GL_ELEMENT_ARRAY_BUFFER);
-
+ }
+ ~VertexArrayObject()
+ {
glBindVertexArray(0);
}
+ NO_MOVE(VertexArrayObject);
+ NO_COPY(VertexArrayObject);
- template<auto Vertex::*... attribs>
- static void
- configure(const GLuint arrayObject, const GLuint arrayBuffer, const SequentialCollection<Vertex> auto & vertices)
- {
- glBindVertexArray(arrayObject);
+ template<typename m, typename T> struct MP {
+ constexpr MP(m T::*p) : P {p} { }
+ operator void *() const
+ {
+ return &(static_cast<T *>(nullptr)->*P);
+ }
+ m T::*P;
+ using value_type = m;
+ };
+ template<typename m, typename T> MP(m T::*) -> MP<m, T>;
- configure_attribs<attribs...>(arrayBuffer);
+ template<typename VertexT, MP... attribs>
+ VertexArrayObject &
+ addAttribs(const GLuint arrayBuffer, const SequentialCollection<VertexT> auto & vertices)
+ {
+ addAttribs<VertexT, attribs...>(arrayBuffer);
data(vertices, arrayBuffer, GL_ARRAY_BUFFER);
-
- glBindVertexArray(0);
+ return *this;
}
- template<auto Vertex::*... attribs>
- static void
- configure(const GLuint arrayObject, const GLuint arrayBuffer)
+ template<typename VertexT, MP... attribs>
+ VertexArrayObject &
+ addAttribs(const GLuint arrayBuffer)
{
- glBindVertexArray(arrayObject);
-
- configure_attribs<attribs...>(arrayBuffer);
- glBufferData(GL_ARRAY_BUFFER, static_cast<GLsizeiptr>(sizeof(Vertex)), nullptr, GL_DYNAMIC_DRAW);
+ configure_attribs<VertexT, attribs...>(arrayBuffer);
+ return *this;
+ }
- glBindVertexArray(0);
+ template<typename Indices>
+ VertexArrayObject &
+ addIndices(const GLuint arrayBuffer, const Indices & indices)
+ {
+ data(indices, arrayBuffer, GL_ELEMENT_ARRAY_BUFFER);
+ return *this;
}
private:
@@ -55,34 +64,33 @@ private:
glBufferData(target, static_cast<GLsizeiptr>(sizeof(Value) * data.size()), data.data(), GL_STATIC_DRAW);
}
- template<typename T>
+ template<typename VertexT, typename T>
static void
set_pointer(const GLuint vertexArrayId, const void * ptr)
{
glEnableVertexAttribArray(vertexArrayId);
using traits = gl_traits<T>;
- traits::vertexAttribFunc(vertexArrayId, traits::size, traits::type, sizeof(Vertex), ptr);
+ traits::vertexAttribFunc(vertexArrayId, traits::size, traits::type, sizeof(VertexT), ptr);
}
- template<auto Vertex::*attrib>
+ template<typename VertexT, MP attrib>
static void
set_pointer(const GLuint vertexArrayId)
{
- set_pointer<std::decay_t<decltype(std::declval<Vertex>().*attrib)>>(
- vertexArrayId, &(static_cast<const Vertex *>(nullptr)->*attrib));
+ set_pointer<VertexT, typename decltype(attrib)::value_type>(vertexArrayId, attrib);
}
- template<auto Vertex::*... attribs>
+ template<typename VertexT, MP... attribs>
static void
configure_attribs(const GLuint arrayBuffer)
{
glBindBuffer(GL_ARRAY_BUFFER, arrayBuffer);
if constexpr (sizeof...(attribs) == 0) {
- set_pointer<Vertex>(0, nullptr);
+ set_pointer<VertexT, VertexT>(0, nullptr);
}
else {
GLuint vertexArrayId {};
- (set_pointer<attribs>(vertexArrayId++), ...);
+ (set_pointer<VertexT, attribs>(vertexArrayId++), ...);
}
}
};
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 13:35:36 +0000