omar/panopainter
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Move texture2d mapping to renderer gl

Browse Source
This commit is contained in:
omigamedev
2026-06-02 06:41:00 +02:00
parent 02f14f1bf5
commit 85a5d19a3e
6 changed files with 68 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files

68
src/texture.cpp
View File

@@ -7,6 +7,25 @@
#include <cstdint>
namespace {
[[nodiscard]] GLenum texture_2d_target() noexcept
{
return static_cast<GLenum>(pp::renderer::gl::texture_2d_target());
}
[[nodiscard]] GLenum framebuffer_target() noexcept
{
return static_cast<GLenum>(pp::renderer::gl::framebuffer_target());
}
[[nodiscard]] GLenum draw_framebuffer_binding_query() noexcept
{
return static_cast<GLenum>(pp::renderer::gl::draw_framebuffer_binding_query());
}
}
std::map<uint16_t, Texture2D> TextureManager::m_textures;
std::array<int, 6> TextureCube::m_faces_map {
static_cast<int>(pp::renderer::gl::cube_face_texture_target(0U)),
@@ -125,21 +144,35 @@ Image Texture2D::get_image() const noexcept
return;
GLint oldFboID;
glGetIntegerv(GL_DRAW_FRAMEBUFFER_BINDING, &oldFboID);
glGetIntegerv(draw_framebuffer_binding_query(), &oldFboID);
glBindFramebuffer(GL_FRAMEBUFFER, fboID);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, m_tex, 0);
GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
if (status == GL_FRAMEBUFFER_COMPLETE)
glBindFramebuffer(framebuffer_target(), fboID);
glFramebufferTexture2D(
framebuffer_target(),
static_cast<GLenum>(pp::renderer::gl::framebuffer_color_attachment()),
texture_2d_target(),
m_tex,
0);
GLenum status = glCheckFramebufferStatus(framebuffer_target());
if (status == static_cast<GLenum>(pp::renderer::gl::framebuffer_complete_status()))
{
glReadPixels(0, 0, m_width, m_height, GL_RGBA, GL_UNSIGNED_BYTE, ret.m_data.get());
const auto readback = pp::renderer::gl::rgba8_readback_format();
glReadPixels(
0,
0,
m_width,
m_height,
static_cast<GLenum>(readback.pixel_format),
static_cast<GLenum>(readback.component_type),
ret.m_data.get());
}
else
{
LOG("Texture2D::get_image() failed because framebuffer status = %d", (int)status);
LOG("Texture2D::get_image() failed because: %s",
pp::renderer::gl::framebuffer_status_name(static_cast<std::uint32_t>(status)));
}
glBindFramebuffer(GL_FRAMEBUFFER, oldFboID);
glBindFramebuffer(framebuffer_target(), oldFboID);
glDeleteFramebuffers(1, &fboID);
});
return ret;
@@ -181,7 +214,7 @@ bool Texture2D::create(int width, int height, GLint internal_format, GLint forma
bind();
const auto ifmt = static_cast<GLenum>(
pp::renderer::gl::texture_upload_type_for_internal_format(static_cast<std::uint32_t>(internal_format)));
glTexImage2D(GL_TEXTURE_2D, 0, internal_format, width, height, 0, format, ifmt, data);
glTexImage2D(texture_2d_target(), 0, internal_format, width, height, 0, format, ifmt, data);
unbind();
});
return true;
@@ -205,7 +238,7 @@ void Texture2D::create_mipmaps()
App::I->render_task([this]
{
bind();
glGenerateMipmap(GL_TEXTURE_2D);
glGenerateMipmap(texture_2d_target());
unbind();
has_mips = true;
});
@@ -253,13 +286,13 @@ void Texture2D::destroy()
void Texture2D::bind() const
{
assert(App::I->is_render_thread());
glBindTexture(GL_TEXTURE_2D, m_tex);
glBindTexture(texture_2d_target(), m_tex);
}
void Texture2D::unbind() const
{
assert(App::I->is_render_thread());
glBindTexture(GL_TEXTURE_2D, 0);
glBindTexture(texture_2d_target(), 0);
}
void Texture2D::update(const uint8_t* data)
@@ -267,7 +300,16 @@ void Texture2D::update(const uint8_t* data)
App::I->render_task([this, data]
{
bind();
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, m_width, m_height, m_format, GL_UNSIGNED_BYTE, data);
glTexSubImage2D(
texture_2d_target(),
0,
0,
0,
m_width,
m_height,
m_format,
static_cast<GLenum>(pp::renderer::gl::unsigned_byte_component_type()),
data);
});
}