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LibGL+LibGPU+LibSoftGPU: Implement glCopyTex(Sub)?Image2d

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These two methods copy from the frame buffer to (part of) a texture.
This commit is contained in:
Jelle Raaijmakers 2022-09-04 20:02:37 +02:00 • committed by Linus Groh
parent d7f1dc146e
commit 44953a4301
7 changed files with 118 additions and 22 deletions
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87
Userland/Libraries/LibGL/Texture.cpp
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@ -82,21 +82,82 @@ void GLContext::gl_copy_tex_image_2d(GLenum target, GLint level, GLenum internal
APPEND_TO_CALL_LIST_AND_RETURN_IF_NEEDED(gl_copy_tex_image_2d, target, level, internalformat, x, y, width, height, border);
RETURN_WITH_ERROR_IF(m_in_draw_state, GL_INVALID_OPERATION);
// FIXME: implement
dbgln_if(GL_DEBUG, "GLContext FIXME: implement gl_copy_tex_image_2d({:#x}, {}, {:#x}, {}, {}, {}, {}, {})",
target, level, internalformat, x, y, width, height, border);
RETURN_WITH_ERROR_IF(internalformat == GL_NONE, GL_INVALID_ENUM);
auto pixel_type_or_error = get_validated_pixel_type(target, internalformat, GL_NONE, GL_NONE);
RETURN_WITH_ERROR_IF(pixel_type_or_error.is_error(), pixel_type_or_error.release_error().code());
RETURN_WITH_ERROR_IF(level < 0 || level > Texture2D::LOG2_MAX_TEXTURE_SIZE, GL_INVALID_VALUE);
RETURN_WITH_ERROR_IF(width < 0 || height < 0 || width > (2 + Texture2D::MAX_TEXTURE_SIZE) || height > (2 + Texture2D::MAX_TEXTURE_SIZE), GL_INVALID_VALUE);
if (!m_device_info.supports_npot_textures)
RETURN_WITH_ERROR_IF(!is_power_of_two(width) || !is_power_of_two(height), GL_INVALID_VALUE);
RETURN_WITH_ERROR_IF(border != 0, GL_INVALID_VALUE);
auto texture_2d = m_active_texture_unit->texture_2d_target_texture();
VERIFY(!texture_2d.is_null());
auto internal_pixel_format = pixel_format_for_internal_format(internalformat);
if (level == 0) {
texture_2d->set_device_image(m_rasterizer->create_image(internal_pixel_format, width, height, 1, 999, 1));
m_sampler_config_is_dirty = true;
}
auto pixel_type = pixel_type_or_error.release_value();
if (pixel_type.format == GPU::PixelFormat::DepthComponent) {
m_rasterizer->blit_from_depth_buffer(
*texture_2d->device_image(),
level,
{ static_cast<u32>(width), static_cast<u32>(height) },
{ x, y },
{ 0, 0, 0 });
} else if (pixel_type.format == GPU::PixelFormat::StencilIndex) {
dbgln("{}: GL_STENCIL_INDEX is not yet supported", __FUNCTION__);
} else {
m_rasterizer->blit_from_color_buffer(
*texture_2d->device_image(),
level,
{ static_cast<u32>(width), static_cast<u32>(height) },
{ x, y },
{ 0, 0, 0 });
}
}
void GLContext::gl_copy_tex_sub_image_2d(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height)
{
APPEND_TO_CALL_LIST_AND_RETURN_IF_NEEDED(gl_copy_tex_sub_image_2d, target, level, xoffset, yoffset, x, y, width, height);
RETURN_WITH_ERROR_IF(!(target == GL_TEXTURE_2D || target == GL_TEXTURE_1D_ARRAY), GL_INVALID_ENUM);
RETURN_WITH_ERROR_IF(level < 0, GL_INVALID_VALUE);
RETURN_WITH_ERROR_IF(m_in_draw_state, GL_INVALID_OPERATION);
// FIXME: implement
dbgln_if(GL_DEBUG, "GLContext FIXME: implement gl_copy_tex_sub_image_2d({:#x}, {}, {}, {}, {}, {}, {}, {})",
target, level, xoffset, yoffset, x, y, width, height);
RETURN_WITH_ERROR_IF(level < 0 || level > Texture2D::LOG2_MAX_TEXTURE_SIZE, GL_INVALID_VALUE);
RETURN_WITH_ERROR_IF(width < 0 || height < 0 || width > (2 + Texture2D::MAX_TEXTURE_SIZE) || height > (2 + Texture2D::MAX_TEXTURE_SIZE), GL_INVALID_VALUE);
auto texture_2d = m_active_texture_unit->texture_2d_target_texture();
VERIFY(!texture_2d.is_null());
RETURN_WITH_ERROR_IF(texture_2d->device_image().is_null(), GL_INVALID_OPERATION);
m_rasterizer->blit_from_color_buffer(
*texture_2d->device_image(),
level,
{ static_cast<u32>(width), static_cast<u32>(height) },
{ x, y },
{ xoffset, yoffset, 0 });
// FIXME: use GPU::PixelFormat for Texture2D's internal format
if (texture_2d->internal_format() == GL_DEPTH_COMPONENT) {
m_rasterizer->blit_from_depth_buffer(
*texture_2d->device_image(),
level,
{ static_cast<u32>(width), static_cast<u32>(height) },
{ x, y },
{ 0, 0, 0 });
} else if (texture_2d->internal_format() == GL_STENCIL_INDEX) {
dbgln("{}: GL_STENCIL_INDEX is not yet supported", __FUNCTION__);
} else {
m_rasterizer->blit_from_color_buffer(
*texture_2d->device_image(),
level,
{ static_cast<u32>(width), static_cast<u32>(height) },
{ x, y },
{ 0, 0, 0 });
}
}
void GLContext::gl_delete_textures(GLsizei n, GLuint const* textures)
@ -146,6 +207,7 @@ void GLContext::gl_gen_textures(GLsizei n, GLuint* textures)
void GLContext::gl_get_tex_image(GLenum target, GLint level, GLenum format, GLenum type, void* pixels)
{
RETURN_WITH_ERROR_IF(level < 0 || level > Texture2D::LOG2_MAX_TEXTURE_SIZE, GL_INVALID_VALUE);
RETURN_WITH_ERROR_IF(format == GL_NONE || type == GL_NONE, GL_INVALID_ENUM);
auto pixel_type_or_error = get_validated_pixel_type(target, GL_NONE, format, type);
RETURN_WITH_ERROR_IF(pixel_type_or_error.is_error(), pixel_type_or_error.release_error().code());
@ -467,16 +529,14 @@ void GLContext::gl_tex_image_2d(GLenum target, GLint level, GLint internal_forma
{
RETURN_WITH_ERROR_IF(m_in_draw_state, GL_INVALID_OPERATION);
RETURN_WITH_ERROR_IF(internal_format == GL_NONE || format == GL_NONE || type == GL_NONE, GL_INVALID_ENUM);
auto pixel_type_or_error = get_validated_pixel_type(target, internal_format, format, type);
RETURN_WITH_ERROR_IF(pixel_type_or_error.is_error(), pixel_type_or_error.release_error().code());
RETURN_WITH_ERROR_IF(level < 0 || level > Texture2D::LOG2_MAX_TEXTURE_SIZE, GL_INVALID_VALUE);
RETURN_WITH_ERROR_IF(width < 0 || height < 0 || width > (2 + Texture2D::MAX_TEXTURE_SIZE) || height > (2 + Texture2D::MAX_TEXTURE_SIZE), GL_INVALID_VALUE);
// Check if width and height are a power of 2
if (!m_device_info.supports_npot_textures) {
RETURN_WITH_ERROR_IF(!is_power_of_two(width), GL_INVALID_VALUE);
RETURN_WITH_ERROR_IF(!is_power_of_two(height), GL_INVALID_VALUE);
}
if (!m_device_info.supports_npot_textures)
RETURN_WITH_ERROR_IF(!is_power_of_two(width) || !is_power_of_two(height), GL_INVALID_VALUE);
RETURN_WITH_ERROR_IF(border != 0, GL_INVALID_VALUE);
auto texture_2d = m_active_texture_unit->texture_2d_target_texture();
@ -622,6 +682,7 @@ void GLContext::gl_tex_sub_image_2d(GLenum target, GLint level, GLint xoffset, G
VERIFY(!texture_2d.is_null());
RETURN_WITH_ERROR_IF(texture_2d->device_image().is_null(), GL_INVALID_OPERATION);
RETURN_WITH_ERROR_IF(format == GL_NONE || type == GL_NONE, GL_INVALID_ENUM);
auto pixel_type_or_error = get_validated_pixel_type(target, texture_2d->internal_format(), format, type);
RETURN_WITH_ERROR_IF(pixel_type_or_error.is_error(), pixel_type_or_error.release_error().code());