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LibGL+LibGPU+LibSoftGPU: Add virtual base class for Images

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This introduces a new device independent base class for Images in LibGPU
that also keeps track of the device from which it was created in order
to prevent assigning images across devices.
This commit is contained in:
Stephan Unverwerth 2022-03-27 16:26:50 +02:00 • committed by Andreas Kling
parent 1f3642ed48
commit 4a99875582
8 changed files with 69 additions and 26 deletions
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6
Userland/Libraries/LibSoftGPU/Device.cpp
View file

@ -1219,7 +1219,7 @@ GPU::DepthType Device::get_depthbuffer_value(int x, int y)
return m_frame_buffer->depth_buffer()->scanline(y)[x];
}
NonnullRefPtr<Image> Device::create_image(GPU::ImageFormat format, unsigned width, unsigned height, unsigned depth, unsigned levels, unsigned layers)
NonnullRefPtr<GPU::Image> Device::create_image(GPU::ImageFormat format, unsigned width, unsigned height, unsigned depth, unsigned levels, unsigned layers)
{
VERIFY(format == GPU::ImageFormat::BGRA8888);
VERIFY(width > 0);
@ -1228,11 +1228,13 @@ NonnullRefPtr<Image> Device::create_image(GPU::ImageFormat format, unsigned widt
VERIFY(levels > 0);
VERIFY(layers > 0);
return adopt_ref(*new Image(width, height, depth, levels, layers));
return adopt_ref(*new Image(this, width, height, depth, levels, layers));
}
void Device::set_sampler_config(unsigned sampler, GPU::SamplerConfig const& config)
{
VERIFY(config.bound_image.is_null() || config.bound_image->ownership_token() == this);
m_samplers[sampler].set_config(config);
}

4
Userland/Libraries/LibSoftGPU/Device.h
View file

@ -13,6 +13,7 @@
#include <AK/Vector.h>
#include <LibGPU/DeviceInfo.h>
#include <LibGPU/Enums.h>
#include <LibGPU/Image.h>
#include <LibGPU/ImageFormat.h>
#include <LibGPU/Light.h>
#include <LibGPU/LightModelParameters.h>
@ -33,7 +34,6 @@
#include <LibSoftGPU/Buffer/Typed2DBuffer.h>
#include <LibSoftGPU/Clipper.h>
#include <LibSoftGPU/Config.h>
#include <LibSoftGPU/Image.h>
#include <LibSoftGPU/Sampler.h>
#include <LibSoftGPU/Triangle.h>
@ -62,7 +62,7 @@ public:
GPU::ColorType get_color_buffer_pixel(int x, int y);
GPU::DepthType get_depthbuffer_value(int x, int y);
NonnullRefPtr<Image> create_image(GPU::ImageFormat format, unsigned width, unsigned height, unsigned depth, unsigned levels, unsigned layers);
NonnullRefPtr<GPU::Image> create_image(GPU::ImageFormat format, unsigned width, unsigned height, unsigned depth, unsigned levels, unsigned layers);
void set_sampler_config(unsigned, GPU::SamplerConfig const&);
void set_light_state(unsigned, GPU::Light const&);

23
Userland/Libraries/LibSoftGPU/Image.cpp
View file

@ -9,8 +9,9 @@
namespace SoftGPU {
Image::Image(unsigned width, unsigned height, unsigned depth, unsigned max_levels, unsigned layers)
: m_num_layers(layers)
Image::Image(void* const ownership_token, unsigned width, unsigned height, unsigned depth, unsigned max_levels, unsigned layers)
: GPU::Image(ownership_token)
, m_num_layers(layers)
, m_mipmap_buffers(FixedArray<RefPtr<Typed3DBuffer<GPU::ColorType>>>::must_create_but_fixme_should_propagate_errors(layers * max_levels))
{
VERIFY(width > 0);
@ -77,13 +78,17 @@ void Image::read_texels(unsigned layer, unsigned level, Vector3<unsigned> const&
}
}
void Image::copy_texels(Image const& source, unsigned source_layer, unsigned source_level, Vector3<unsigned> const& source_offset, Vector3<unsigned> const& size, unsigned destination_layer, unsigned destination_level, Vector3<unsigned> const& destination_offset)
void Image::copy_texels(GPU::Image const& source, unsigned source_layer, unsigned source_level, Vector3<unsigned> const& source_offset, Vector3<unsigned> const& size, unsigned destination_layer, unsigned destination_level, Vector3<unsigned> const& destination_offset)
{
VERIFY(source_layer < source.num_layers());
VERIFY(source_level < source.num_levels());
VERIFY(source_offset.x() + size.x() <= source.level_width(source_level));
VERIFY(source_offset.y() + size.y() <= source.level_height(source_level));
VERIFY(source_offset.z() + size.z() <= source.level_depth(source_level));
VERIFY(source.has_same_ownership_token(*this));
auto const& src_image = static_cast<Image const&>(source);
VERIFY(source_layer < src_image.num_layers());
VERIFY(source_level < src_image.num_levels());
VERIFY(source_offset.x() + size.x() <= src_image.level_width(source_level));
VERIFY(source_offset.y() + size.y() <= src_image.level_height(source_level));
VERIFY(source_offset.z() + size.z() <= src_image.level_depth(source_level));
VERIFY(destination_layer < num_layers());
VERIFY(destination_level < num_levels());
VERIFY(destination_offset.x() + size.x() <= level_width(destination_level));
@ -93,7 +98,7 @@ void Image::copy_texels(Image const& source, unsigned source_layer, unsigned sou
for (unsigned z = 0; z < size.z(); ++z) {
for (unsigned y = 0; y < size.y(); ++y) {
for (unsigned x = 0; x < size.x(); ++x) {
auto color = source.texel(source_layer, source_level, source_offset.x() + x, source_offset.y() + y, source_offset.z() + z);
auto color = src_image.texel(source_layer, source_level, source_offset.x() + x, source_offset.y() + y, source_offset.z() + z);
set_texel(destination_layer, destination_level, destination_offset.x() + x, destination_offset.y() + y, destination_offset.z() + z, color);
}
}

11
Userland/Libraries/LibSoftGPU/Image.h
View file

@ -11,6 +11,7 @@
#include <AK/RefCounted.h>
#include <AK/RefPtr.h>
#include <LibGPU/Enums.h>
#include <LibGPU/Image.h>
#include <LibGPU/ImageDataLayout.h>
#include <LibGPU/ImageFormat.h>
#include <LibGfx/Vector3.h>
@ -133,9 +134,9 @@ inline static void pack_color(FloatVector4 const& color, void* ptr, GPU::ImageFo
}
}
class Image final : public RefCounted<Image> {
class Image final : public GPU::Image {
public:
Image(unsigned width, unsigned height, unsigned depth, unsigned max_levels, unsigned layers);
Image(void* const ownership_token, unsigned width, unsigned height, unsigned depth, unsigned max_levels, unsigned layers);
unsigned level_width(unsigned level) const { return m_mipmap_buffers[level]->width(); }
unsigned level_height(unsigned level) const { return m_mipmap_buffers[level]->height(); }
@ -156,9 +157,9 @@ public:
pack_color(color, texel_pointer(layer, level, x, y, z), GPU::ImageFormat::BGRA8888);
}
void write_texels(unsigned layer, unsigned level, Vector3<unsigned> const& offset, Vector3<unsigned> const& size, void const* data, GPU::ImageDataLayout const& layout);
void read_texels(unsigned layer, unsigned level, Vector3<unsigned> const& offset, Vector3<unsigned> const& size, void* data, GPU::ImageDataLayout const& layout) const;
void copy_texels(Image const& source, unsigned source_layer, unsigned source_level, Vector3<unsigned> const& source_offset, Vector3<unsigned> const& size, unsigned destination_layer, unsigned destination_level, Vector3<unsigned> const& destination_offset);
virtual void write_texels(unsigned layer, unsigned level, Vector3<unsigned> const& offset, Vector3<unsigned> const& size, void const* data, GPU::ImageDataLayout const& layout) override;
virtual void read_texels(unsigned layer, unsigned level, Vector3<unsigned> const& offset, Vector3<unsigned> const& size, void* data, GPU::ImageDataLayout const& layout) const override;
virtual void copy_texels(GPU::Image const& source, unsigned source_layer, unsigned source_level, Vector3<unsigned> const& source_offset, Vector3<unsigned> const& size, unsigned destination_layer, unsigned destination_level, Vector3<unsigned> const& destination_offset) override;
private:
void const* texel_pointer(unsigned layer, unsigned level, int x, int y, int z) const

4
Userland/Libraries/LibSoftGPU/Sampler.cpp
View file

@ -109,7 +109,7 @@ Vector4<AK::SIMD::f32x4> Sampler::sample_2d(Vector2<AK::SIMD::f32x4> const& uv)
if (m_config.bound_image.is_null())
return expand4(FloatVector4 { 1, 0, 0, 1 });
auto const& image = *m_config.bound_image;
auto const& image = *static_ptr_cast<Image>(m_config.bound_image);
// FIXME: Make base level configurable with glTexParameteri(GL_TEXTURE_BASE_LEVEL, base_level)
constexpr unsigned base_level = 0;
@ -152,7 +152,7 @@ Vector4<AK::SIMD::f32x4> Sampler::sample_2d(Vector2<AK::SIMD::f32x4> const& uv)
Vector4<AK::SIMD::f32x4> Sampler::sample_2d_lod(Vector2<AK::SIMD::f32x4> const& uv, AK::SIMD::u32x4 level, GPU::TextureFilter filter) const
{
auto const& image = *m_config.bound_image;
auto const& image = *static_ptr_cast<Image>(m_config.bound_image);
u32x4 const layer = expand4(0u);
u32x4 const width = {