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Route RTT utility clears through GL backend

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This commit is contained in:
omigamedev
2026-06-04 21:58:27 +02:00
parent ce787ce186
commit 4c61a490ce
7 changed files with 275 additions and 23 deletions
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81
src/rtt.cpp
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@@ -29,11 +29,31 @@ void query_opengl_integer(std::uint32_t name, std::int32_t* value) noexcept
glGetIntegerv(static_cast<GLenum>(name), reinterpret_cast<GLint*>(value));
}
void query_opengl_boolean(std::uint32_t name, std::uint8_t* value) noexcept
{
glGetBooleanv(static_cast<GLenum>(name), reinterpret_cast<GLboolean*>(value));
}
void bind_opengl_framebuffer(std::uint32_t target, std::uint32_t framebuffer) noexcept
{
glBindFramebuffer(static_cast<GLenum>(target), static_cast<GLuint>(framebuffer));
}
void set_opengl_clear_color(float r, float g, float b, float a) noexcept
{
glClearColor(r, g, b, a);
}
void clear_opengl_buffers(std::uint32_t mask) noexcept
{
glClear(static_cast<GLbitfield>(mask));
}
void set_opengl_color_mask(std::uint8_t r, std::uint8_t g, std::uint8_t b, std::uint8_t a) noexcept
{
glColorMask(r, g, b, a);
}
void gen_opengl_textures(std::uint32_t count, std::uint32_t* ids) noexcept
{
glGenTextures(static_cast<GLsizei>(count), reinterpret_cast<GLuint*>(ids));
@@ -649,26 +669,41 @@ void RTT::unbindFramebuffer()
void RTT::clear(glm::vec4 color)
{
assert(App::I->is_render_thread());
glClearColor(color.r, color.g, color.b, color.a);
glClear(static_cast<GLbitfield>(
pp::renderer::gl::framebuffer_color_buffer_mask()
| pp::renderer::gl::framebuffer_depth_buffer_mask()));
const auto status = pp::renderer::gl::clear_opengl_render_target(
pp::renderer::gl::OpenGlDefaultClear {
.color = { color.r, color.g, color.b, color.a },
.mask = pp::renderer::gl::framebuffer_color_buffer_mask()
| pp::renderer::gl::framebuffer_depth_buffer_mask(),
},
pp::renderer::gl::OpenGlClearDispatch {
.clear_color = set_opengl_clear_color,
.clear = clear_opengl_buffers,
});
if (!status.ok())
LOG("RTT::clear() failed because: %s", status.message);
}
void RTT::clear_mask(glm::bool4 mask, glm::vec4 color)
{
assert(App::I->is_render_thread());
// save old state
std::array<GLboolean, 4> old_mask;
glGetBooleanv(static_cast<GLenum>(pp::renderer::gl::color_write_mask_query()), old_mask.data());
// clear with mask
glColorMask(mask.r, mask.g, mask.b, mask.a);
glClearColor(color.r, color.g, color.b, color.a);
glClear(static_cast<GLbitfield>(pp::renderer::gl::framebuffer_color_buffer_mask()));
// restore old state
glColorMask(old_mask[0], old_mask[1], old_mask[2], old_mask[3]);
const auto status = pp::renderer::gl::clear_opengl_color_buffer_with_write_mask(
pp::renderer::gl::OpenGlColorMaskedClear {
.mask = {
.r = static_cast<std::uint8_t>(mask.r),
.g = static_cast<std::uint8_t>(mask.g),
.b = static_cast<std::uint8_t>(mask.b),
.a = static_cast<std::uint8_t>(mask.a),
},
.color = { color.r, color.g, color.b, color.a },
},
pp::renderer::gl::OpenGlColorMaskedClearDispatch {
.get_boolean = query_opengl_boolean,
.color_mask = set_opengl_color_mask,
.clear_color = set_opengl_clear_color,
.clear = clear_opengl_buffers,
});
if (!status.ok())
LOG("RTT::clear_mask() failed because: %s", status.message);
}
glm::ivec4 RTT::calc_bounds() const noexcept
@@ -803,13 +838,25 @@ float * RTT::createBufferFloat() const noexcept
void RTT::bindTexture()
{
assert(App::I->is_render_thread());
glBindTexture(texture_2d_target(), texID);
const auto status = pp::renderer::gl::bind_opengl_texture_2d(
static_cast<std::uint32_t>(texID),
pp::renderer::gl::OpenGlTexture2DBindDispatch {
.bind_texture = bind_opengl_texture,
});
if (!status.ok())
LOG("RTT::bindTexture() failed because: %s", status.message);
}
void RTT::unbindTexture()
{
assert(App::I->is_render_thread());
glBindTexture(texture_2d_target(), 0);
const auto status = pp::renderer::gl::bind_opengl_texture_2d(
0U,
pp::renderer::gl::OpenGlTexture2DBindDispatch {
.bind_texture = bind_opengl_texture,
});
if (!status.ok())
LOG("RTT::unbindTexture() failed because: %s", status.message);
}
Image RTT::get_image() const noexcept