RGBCube/serenity
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LibGL+LibGPU+LibSoftGPU: Load SoftGPU driver dynamically

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This loads libsoftgpu.so during GLContext creation and instantiates the
device class which is then passed into the GLContext constructor.
This commit is contained in:
Stephan Unverwerth 2022-03-27 18:54:31 +02:00 • committed by Andreas Kling
parent 211d24a218
commit 5bb76e9b63
11 changed files with 165 additions and 9 deletions
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2
Userland/Libraries/LibGL/CMakeLists.txt
View file

@ -18,4 +18,4 @@ set(SOURCES
)
serenity_lib(LibGL gl)
target_link_libraries(LibGL LibM LibCore LibGfx LibSoftGPU)
target_link_libraries(LibGL LibM LibCore LibGfx LibGPU)

14
Userland/Libraries/LibGL/GLContext.cpp
View file

@ -15,12 +15,12 @@
#include <AK/Variant.h>
#include <AK/Vector.h>
#include <LibGL/GLContext.h>
#include <LibGPU/Device.h>
#include <LibGPU/Enums.h>
#include <LibGPU/ImageFormat.h>
#include <LibGfx/Bitmap.h>
#include <LibGfx/Painter.h>
#include <LibGfx/Vector4.h>
#include <LibSoftGPU/Device.h>
__attribute__((visibility("hidden"))) GL::GLContext* g_gl_context;
@ -61,10 +61,11 @@ static constexpr size_t TEXTURE_MATRIX_STACK_LIMIT = 8;
return return_value; \
}
GLContext::GLContext(Gfx::Bitmap& frontbuffer)
GLContext::GLContext(RefPtr<GPU::Driver> driver, NonnullOwnPtr<GPU::Device> device, Gfx::Bitmap& frontbuffer)
: m_viewport { frontbuffer.rect() }
, m_frontbuffer { frontbuffer }
, m_rasterizer { make<SoftGPU::Device>(frontbuffer.size()) }
, m_driver { driver }
, m_rasterizer { move(device) }
, m_device_info { m_rasterizer->info() }
{
m_texture_units.resize(m_device_info.num_texture_units);
@ -3064,7 +3065,7 @@ void GLContext::sync_light_state()
}
m_rasterizer->set_options(options);
for (auto light_id = 0u; light_id < SoftGPU::NUM_LIGHTS; light_id++) {
for (auto light_id = 0u; light_id < m_device_info.num_lights; light_id++) {
auto const& current_light_state = m_light_states.at(light_id);
m_rasterizer->set_light_state(light_id, current_light_state);
}
@ -3645,7 +3646,10 @@ void GLContext::get_material_param(Face face, GLenum pname, T* params)
NonnullOwnPtr<GLContext> create_context(Gfx::Bitmap& bitmap)
{
auto context = make<GLContext>(bitmap);
// FIXME: Make driver selectable. This is currently hardcoded to LibSoftGPU
auto driver = MUST(GPU::Driver::try_create("softgpu"));
auto device = MUST(driver->try_create_device(bitmap.size()));
auto context = make<GLContext>(driver, move(device), bitmap);
dbgln_if(GL_DEBUG, "GL::create_context({}) -> {:p}", bitmap.size(), context.ptr());
if (!g_gl_context)

4
Userland/Libraries/LibGL/GLContext.h
View file

@ -19,6 +19,7 @@
#include <LibGL/Tex/TextureUnit.h>
#include <LibGPU/Device.h>
#include <LibGPU/DeviceInfo.h>
#include <LibGPU/Driver.h>
#include <LibGPU/Light.h>
#include <LibGPU/Vertex.h>
#include <LibGfx/Bitmap.h>
@ -48,7 +49,7 @@ enum Face {
class GLContext final {
public:
GLContext(Gfx::Bitmap&);
GLContext(RefPtr<GPU::Driver> driver, NonnullOwnPtr<GPU::Device>, Gfx::Bitmap&);
~GLContext();
void gl_begin(GLenum mode);
@ -303,6 +304,7 @@ private:
return m_texture_coordinate_generation[texture_unit][capability - GL_TEXTURE_GEN_S];
}
RefPtr<GPU::Driver> m_driver;
NonnullOwnPtr<GPU::Device> m_rasterizer;
GPU::DeviceInfo const m_device_info;
bool m_sampler_config_is_dirty { true };