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drm: better handle drm blits

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This commit is contained in:
Vaxry 2024-07-11 22:17:19 +02:00
parent 46ce868cbb
commit d619af4971
5 changed files with 142 additions and 46 deletions
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1
include/aquamarine/misc/Attachment.hpp
View file

@ -7,6 +7,7 @@ namespace Aquamarine {
enum eAttachmentType : uint32_t {
AQ_ATTACHMENT_DRM_BUFFER = 0,
AQ_ATTACHMENT_DRM_KMS_UNIMPORTABLE,
AQ_ATTACHMENT_DRM_RENDERER_DATA,
};
class IAttachment {

2
src/backend/drm/DRM.cpp
View file

@ -496,6 +496,8 @@ bool Aquamarine::CDRMBackend::initMgpu() {
return false;
}
mgpu.renderer->self = mgpu.renderer;
return true;
}

113
src/backend/drm/Renderer.cpp
View file

@ -5,6 +5,7 @@
#include <fcntl.h>
#include "Math.hpp"
#include "Shared.hpp"
#include "FormatUtils.hpp"
using namespace Aquamarine;
using namespace Hyprutils::Memory;
@ -276,6 +277,8 @@ EGLImageKHR CDRMRenderer::createEGLImage(const SDMABUFAttrs& attrs) {
attribs.push_back(EGL_LINUX_DRM_FOURCC_EXT);
attribs.push_back(attrs.format);
TRACE(backend->log(AQ_LOG_TRACE, std::format("EGL: createEGLImage: size {} with format {}", attrs.size, fourccToName(attrs.format))));
struct {
EGLint fd;
EGLint offset;
@ -364,24 +367,56 @@ bool CDRMRenderer::blit(SP<IBuffer> from, SP<IBuffer> to) {
}
// firstly, get a texture from the from buffer
auto fromTex = glTex(from);
// if it has an attachment, use that
// both from and to have the same AQ_ATTACHMENT_DRM_RENDERER_DATA.
// Those buffers always come from different swapchains, so it's OK.
GLTex fromTex;
{
auto attachment = from->attachments.get(AQ_ATTACHMENT_DRM_RENDERER_DATA);
if (attachment) {
TRACE(backend->log(AQ_LOG_TRACE, "EGL (blit): From attachment found"));
auto att = (CDRMRendererBufferAttachment*)attachment.get();
fromTex = {att->eglImage, att->texid};
}
if (!fromTex.image) {
backend->log(AQ_LOG_DEBUG, "EGL (blit): No attachment in from, creating a new image");
fromTex = glTex(from);
// should never remove anything, but JIC. We'll leak an EGLImage if this removes anything.
from->attachments.removeByType(AQ_ATTACHMENT_DRM_RENDERER_DATA);
from->attachments.add(makeShared<CDRMRendererBufferAttachment>(self, from, fromTex.image, 0, 0, fromTex.texid));
}
}
TRACE(backend->log(AQ_LOG_TRACE, std::format("EGL (blit): fromTex id {}, image 0x{:x}", fromTex.texid, (uintptr_t)fromTex.image)));
// then, get a rbo from our to buffer
auto toDma = to->dmabuf();
// if it has an attachment, use that
auto rboImage = createEGLImage(toDma);
EGLImageKHR rboImage = nullptr;
GLuint rboID = 0, fboID = 0;
auto toDma = to->dmabuf();
{
auto attachment = to->attachments.get(AQ_ATTACHMENT_DRM_RENDERER_DATA);
if (attachment) {
TRACE(backend->log(AQ_LOG_TRACE, "EGL (blit): To attachment found"));
auto att = (CDRMRendererBufferAttachment*)attachment.get();
rboImage = att->eglImage;
fboID = att->fbo;
rboID = att->rbo;
}
if (!rboImage) {
backend->log(AQ_LOG_DEBUG, "EGL (blit): No attachment in to, creating a new image");
rboImage = createEGLImage(toDma);
if (rboImage == EGL_NO_IMAGE_KHR) {
backend->log(AQ_LOG_ERROR, std::format("EGL (blit): createEGLImage failed: {}", eglGetError()));
return false;
}
TRACE(backend->log(AQ_LOG_TRACE, std::format("EGL (blit): rboImage 0x{:x}", (uintptr_t)rboImage)));
GLuint rboID = 0, fboID = 0;
// TODO: don't spam this?
GLCALL(glGenRenderbuffers(1, &rboID));
GLCALL(glBindRenderbuffer(GL_RENDERBUFFER, rboID));
egl.glEGLImageTargetRenderbufferStorageOES(GL_RENDERBUFFER, (GLeglImageOES)rboImage);
@ -396,6 +431,14 @@ bool CDRMRenderer::blit(SP<IBuffer> from, SP<IBuffer> to) {
return false;
}
// should never remove anything, but JIC. We'll leak an RBO and FBO if this removes anything.
to->attachments.removeByType(AQ_ATTACHMENT_DRM_RENDERER_DATA);
to->attachments.add(makeShared<CDRMRendererBufferAttachment>(self, to, rboImage, fboID, rboID, 0));
}
}
TRACE(backend->log(AQ_LOG_TRACE, std::format("EGL (blit): rboImage 0x{:x}", (uintptr_t)rboImage)));
GLCALL(glBindRenderbuffer(GL_RENDERBUFFER, rboID));
GLCALL(glBindFramebuffer(GL_FRAMEBUFFER, fboID));
@ -410,12 +453,18 @@ bool CDRMRenderer::blit(SP<IBuffer> from, SP<IBuffer> to) {
TRACE(backend->log(AQ_LOG_TRACE, std::format("EGL (blit): box size {}", renderBox.size())));
float mtx[9];
float identity[9];
float base[9];
float monitorProj[9];
matrixIdentity(identity);
projectBox(mtx, renderBox, HYPRUTILS_TRANSFORM_NORMAL, 0, identity);
matrixIdentity(base);
matrixProjection(monitorProj, toDma.size.x, toDma.size.y, HYPRUTILS_TRANSFORM_NORMAL);
// KMS uses flipped y, we have to do FLIPPED_180
matrixTranslate(base, toDma.size.x / 2.0, toDma.size.y / 2.0);
matrixTransform(base, HYPRUTILS_TRANSFORM_FLIPPED_180);
matrixTranslate(base, -toDma.size.x / 2.0, -toDma.size.y / 2.0);
projectBox(mtx, renderBox, HYPRUTILS_TRANSFORM_FLIPPED_180, 0, base);
matrixProjection(monitorProj, toDma.size.x, toDma.size.y, HYPRUTILS_TRANSFORM_FLIPPED_180);
float glMtx[9];
matrixMultiply(glMtx, monitorProj, mtx);
@ -424,6 +473,10 @@ bool CDRMRenderer::blit(SP<IBuffer> from, SP<IBuffer> to) {
GLCALL(glActiveTexture(GL_TEXTURE0));
GLCALL(glBindTexture(GL_TEXTURE_2D, fromTex.texid));
GLCALL(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST));
GLCALL(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST));
GLCALL(glUseProgram(gl.shader.program));
GLCALL(glDisable(GL_BLEND));
GLCALL(glDisable(GL_SCISSOR_TEST));
@ -448,18 +501,36 @@ bool CDRMRenderer::blit(SP<IBuffer> from, SP<IBuffer> to) {
// rendered, cleanup
GLCALL(glBindRenderbuffer(GL_RENDERBUFFER, 0));
glFlush();
GLCALL(glBindFramebuffer(GL_FRAMEBUFFER, 0));
GLCALL(glDeleteTextures(1, &fromTex.texid));
GLCALL(glDeleteRenderbuffers(1, &rboID));
GLCALL(glDeleteFramebuffers(1, &fboID));
egl.eglDestroyImageKHR(egl.display, rboImage);
egl.eglDestroyImageKHR(egl.display, fromTex.image);
GLCALL(glBindRenderbuffer(GL_RENDERBUFFER, 0));
restoreEGL();
return true;
}
void CDRMRenderer::onBufferAttachmentDrop(CDRMRendererBufferAttachment* attachment) {
setEGL();
TRACE(backend->log(AQ_LOG_TRACE,
std::format("EGL (onBufferAttachmentDrop): dropping fbo {} rbo {} image 0x{:x}", attachment->fbo, attachment->rbo, (uintptr_t)attachment->eglImage)));
if (attachment->texid)
GLCALL(glDeleteTextures(1, &attachment->texid));
if (attachment->rbo)
GLCALL(glDeleteRenderbuffers(1, &attachment->rbo));
if (attachment->fbo)
GLCALL(glDeleteFramebuffers(1, &attachment->fbo));
if (attachment->eglImage)
egl.eglDestroyImageKHR(egl.display, attachment->eglImage);
restoreEGL();
}
CDRMRendererBufferAttachment::CDRMRendererBufferAttachment(Hyprutils::Memory::CWeakPointer<CDRMRenderer> renderer_, Hyprutils::Memory::CSharedPointer<IBuffer> buffer,
EGLImageKHR image, GLuint fbo_, GLuint rbo_, GLuint texid_) :
eglImage(image), fbo(fbo_), rbo(rbo_), renderer(renderer_), texid(texid_) {
bufferDestroy = buffer->events.destroy.registerListener([this](std::any d) { renderer->onBufferAttachmentDrop(this); });
}

22
src/backend/drm/Renderer.hpp
View file

@ -8,6 +8,24 @@
#include <gbm.h>
namespace Aquamarine {
class CDRMRendererBufferAttachment : public IAttachment {
public:
CDRMRendererBufferAttachment(Hyprutils::Memory::CWeakPointer<CDRMRenderer> renderer_, Hyprutils::Memory::CSharedPointer<IBuffer> buffer, EGLImageKHR image, GLuint fbo_,
GLuint rbo_, GLuint texid_);
virtual ~CDRMRendererBufferAttachment() {
;
}
virtual eAttachmentType type() {
return AQ_ATTACHMENT_DRM_RENDERER_DATA;
}
EGLImageKHR eglImage = nullptr;
GLuint fbo = 0, rbo = 0, texid = 0;
Hyprutils::Signal::CHyprSignalListener bufferDestroy;
Hyprutils::Memory::CWeakPointer<CDRMRenderer> renderer;
};
class CDRMRenderer {
public:
static Hyprutils::Memory::CSharedPointer<CDRMRenderer> attempt(int drmfd, Hyprutils::Memory::CSharedPointer<CBackend> backend_);
@ -19,6 +37,8 @@ namespace Aquamarine {
void setEGL();
void restoreEGL();
void onBufferAttachmentDrop(CDRMRendererBufferAttachment* attachment);
struct {
struct {
GLuint program = 0;
@ -55,6 +75,8 @@ namespace Aquamarine {
GLTex glTex(Hyprutils::Memory::CSharedPointer<IBuffer> buf);
Hyprutils::Memory::CWeakPointer<CDRMRenderer> self;
private:
CDRMRenderer() = default;