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BLT-With-Graphics-Template
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texture getters

main
Brett 2024-04-16 16:22:14 -04:00
parent e9e3622963
commit f2a81237a8
4 changed files with 37 additions and 4 deletions
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2
CMakeLists.txt
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@ -1,6 +1,6 @@
cmake_minimum_required(VERSION 3.25) cmake_minimum_required(VERSION 3.25)
set(BLT_GRAPHICS_VERSION 0.9.14) set(BLT_GRAPHICS_VERSION 0.9.15)
set(BLT_GRAPHICS_TEST_VERSION 0.0.1) set(BLT_GRAPHICS_TEST_VERSION 0.0.1)
project(BLT_WITH_GRAPHICS VERSION ${BLT_GRAPHICS_VERSION}) project(BLT_WITH_GRAPHICS VERSION ${BLT_GRAPHICS_VERSION})

8
include/blt/gfx/framebuffer.h
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@ -41,8 +41,9 @@ namespace blt::gfx
private: private:
GLuint rboID; GLuint rboID;
GLuint storage_type; GLuint storage_type;
blt::i32 width_, height_;
public: public:
rbo_t(): rboID(0), storage_type(0) rbo_t(): rboID(0), storage_type(0), width_(-1), height_(-1)
{} {}
void create(); void create();
@ -51,7 +52,7 @@ namespace blt::gfx
void setStorage(GLuint storage_type, blt::i32 width, blt::i32 height); void setStorage(GLuint storage_type, blt::i32 width, blt::i32 height);
void updateStorage(blt::i32 width, blt::i32 height) const; void updateStorage(blt::i32 width, blt::i32 height);
static void unbind(); static void unbind();
@ -96,6 +97,9 @@ namespace blt::gfx
// this function takes ownership of the render buffer // this function takes ownership of the render buffer
void attachRenderBuffer(rbo_t rbo, attachment_t attachment); void attachRenderBuffer(rbo_t rbo, attachment_t attachment);
void blitTexture(const fbo_t& draw, blt::i32 x1_offset = 0, blt::i32 y1_offset = 0, blt::i32 x2_offset = 0, blt::i32 y2_offset = 0);
void blitDepth(fbo_t draw, blt::i32 x1_offset = 0, blt::i32 y1_offset = 0, blt::i32 x2_offset = 0, blt::i32 y2_offset = 0);
static bool validate(); static bool validate();
static void unbind(); static void unbind();

10
include/blt/gfx/texture.h
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@ -166,6 +166,16 @@ namespace blt::gfx
virtual void updateSize(blt::i32, blt::i32) virtual void updateSize(blt::i32, blt::i32)
{} {}
[[nodiscard]] int getHeight() const
{
return m_height;
}
[[nodiscard]] int getWidth() const
{
return m_width;
}
virtual ~texture_gl() virtual ~texture_gl()
{ {
glDeleteTextures(1, &textureID); glDeleteTextures(1, &textureID);

21
src/blt/gfx/framebuffer.cpp
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@ -38,8 +38,10 @@ namespace blt::gfx
glDeleteRenderbuffers(1, &rboID); glDeleteRenderbuffers(1, &rboID);
} }
void rbo_t::updateStorage(blt::i32 width, blt::i32 height) const void rbo_t::updateStorage(blt::i32 width, blt::i32 height)
{ {
width_ = width;
height_ = height;
glRenderbufferStorage(GL_RENDERBUFFER, storage_type, width, height); glRenderbufferStorage(GL_RENDERBUFFER, storage_type, width, height);
} }
@ -114,6 +116,23 @@ namespace blt::gfx
texture->updateSize(width, height); texture->updateSize(width, height);
} }
void fbo_t::blitTexture(const fbo_t& draw, blt::i32 x1_offset, blt::i32 y1_offset, blt::i32 x2_offset, blt::i32 y2_offset)
{
if (texture_buffers.empty())
{
BLT_ERROR("Trying to blit texture with no texture attached!");
return;
}
glBindFramebuffer(GL_READ_FRAMEBUFFER, fboID);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, draw.fboID);
//glBlitFramebuffer(x1_offset, y1_offset, texture_buffers[0].)
}
void fbo_t::blitDepth(fbo_t draw, blt::i32 x1_offset, blt::i32 y1_offset, blt::i32 x2_offset, blt::i32 y2_offset)
{
}
fbo_t fbo_t::make_render_texture(blt::i32 width, blt::i32 height) fbo_t fbo_t::make_render_texture(blt::i32 width, blt::i32 height)
{ {
fbo_t fbo; fbo_t fbo;