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gtk/gsk/gpu/gskgpublitop.c

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gpu: Add outline of new GPU renderer For now, it just renders using cairo, uploads the result to the GPU, blits it onto the framebuffer and then is happy. But it can do that using Vulkan and using GL (no idea which version). The most important thing still missing is shaders. It also has a bunch of copy/paste from the Vulkan renderer that isn't used yet. But I didn't want to rip it out and then try to copy it back later
2023-08-12 20:10:16 +00:00
#include "config.h"
#include "gskgpublitopprivate.h"
#include "gskglimageprivate.h"
#include "gskgpuprintprivate.h"
#ifdef GDK_RENDERING_VULKAN
#include "gskvulkanimageprivate.h"
#endif
typedef struct _GskGpuBlitOp GskGpuBlitOp;
struct _GskGpuBlitOp
{
GskGpuOp op;
GskGpuImage *src_image;
GskGpuImage *dest_image;
cairo_rectangle_int_t src_rect;
cairo_rectangle_int_t dest_rect;
GskGpuBlitFilter filter;
};
static void
gsk_gpu_blit_op_finish (GskGpuOp *op)
{
GskGpuBlitOp *self = (GskGpuBlitOp *) op;
g_object_unref (self->src_image);
g_object_unref (self->dest_image);
}
static void
gpu: Add ability to run shaders This heaves over an inital chunk of code from the Vulkan renderer to execute shaders. The only shader that exists for now is a shader that draws a single texture. We use that to replace the blit op we were doing before.
2023-08-21 00:18:37 +00:00
gsk_gpu_blit_op_print (GskGpuOp *op,
GskGpuFrame *frame,
GString *string,
guint indent)
gpu: Add outline of new GPU renderer For now, it just renders using cairo, uploads the result to the GPU, blits it onto the framebuffer and then is happy. But it can do that using Vulkan and using GL (no idea which version). The most important thing still missing is shaders. It also has a bunch of copy/paste from the Vulkan renderer that isn't used yet. But I didn't want to rip it out and then try to copy it back later
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{
GskGpuBlitOp *self = (GskGpuBlitOp *) op;
gsk_gpu_print_op (string, indent, "blit");
gsk_gpu_print_int_rect (string, &self->dest_rect);
gsk_gpu_print_newline (string);
}
#ifdef GDK_RENDERING_VULKAN
static GskGpuOp *
gpu: Add a CommandState struct to the command vfuncs This way, we can make it writable and track things like the active textures and the current program. We don't do that yet, but we can.
2023-11-04 02:57:38 +00:00
gsk_gpu_blit_op_vk_command (GskGpuOp *op,
GskGpuFrame *frame,
GskVulkanCommandState *state)
gpu: Add outline of new GPU renderer For now, it just renders using cairo, uploads the result to the GPU, blits it onto the framebuffer and then is happy. But it can do that using Vulkan and using GL (no idea which version). The most important thing still missing is shaders. It also has a bunch of copy/paste from the Vulkan renderer that isn't used yet. But I didn't want to rip it out and then try to copy it back later
2023-08-12 20:10:16 +00:00
{
GskGpuBlitOp *self = (GskGpuBlitOp *) op;
VkImageLayout src_layout, dest_layout;
VkFilter filter;
src_layout = gsk_vulkan_image_get_vk_image_layout (GSK_VULKAN_IMAGE (self->src_image));
if (src_layout != VK_IMAGE_LAYOUT_SHARED_PRESENT_KHR &&
src_layout != VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL &&
src_layout != VK_IMAGE_LAYOUT_GENERAL)
{
gsk_vulkan_image_transition (GSK_VULKAN_IMAGE (self->src_image),
gpu: sync dmabufs via semaphores This ensures both that we signal a semaphore for a dmabuf when we export an image and that we import semaphores for dmabufs and wait on them. Fixes Vulkan node-editor displaying the Vulkan renderer in the sidebar.
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state->semaphores,
gpu: Add a CommandState struct to the command vfuncs This way, we can make it writable and track things like the active textures and the current program. We don't do that yet, but we can.
2023-11-04 02:57:38 +00:00
state->vk_command_buffer,
gpu: Add outline of new GPU renderer For now, it just renders using cairo, uploads the result to the GPU, blits it onto the framebuffer and then is happy. But it can do that using Vulkan and using GL (no idea which version). The most important thing still missing is shaders. It also has a bunch of copy/paste from the Vulkan renderer that isn't used yet. But I didn't want to rip it out and then try to copy it back later
2023-08-12 20:10:16 +00:00
VK_PIPELINE_STAGE_TRANSFER_BIT,
VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
VK_ACCESS_TRANSFER_READ_BIT);
src_layout = VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL;
}
dest_layout = gsk_vulkan_image_get_vk_image_layout (GSK_VULKAN_IMAGE (self->dest_image));
if (dest_layout != VK_IMAGE_LAYOUT_SHARED_PRESENT_KHR &&
dest_layout != VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL &&
dest_layout != VK_IMAGE_LAYOUT_GENERAL)
{
gsk_vulkan_image_transition (GSK_VULKAN_IMAGE (self->dest_image),
gpu: sync dmabufs via semaphores This ensures both that we signal a semaphore for a dmabuf when we export an image and that we import semaphores for dmabufs and wait on them. Fixes Vulkan node-editor displaying the Vulkan renderer in the sidebar.
2023-11-29 22:14:00 +00:00
state->semaphores,
gpu: Add a CommandState struct to the command vfuncs This way, we can make it writable and track things like the active textures and the current program. We don't do that yet, but we can.
2023-11-04 02:57:38 +00:00
state->vk_command_buffer,
gpu: Add outline of new GPU renderer For now, it just renders using cairo, uploads the result to the GPU, blits it onto the framebuffer and then is happy. But it can do that using Vulkan and using GL (no idea which version). The most important thing still missing is shaders. It also has a bunch of copy/paste from the Vulkan renderer that isn't used yet. But I didn't want to rip it out and then try to copy it back later
2023-08-12 20:10:16 +00:00
VK_PIPELINE_STAGE_TRANSFER_BIT,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
VK_ACCESS_TRANSFER_WRITE_BIT);
dest_layout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL;
}
switch (self->filter)
{
default:
g_assert_not_reached ();
G_GNUC_FALLTHROUGH;
case GSK_GPU_BLIT_LINEAR:
filter = VK_FILTER_LINEAR;
break;
case GSK_GPU_BLIT_NEAREST:
filter = VK_FILTER_NEAREST;
break;
}
gpu: Add a CommandState struct to the command vfuncs This way, we can make it writable and track things like the active textures and the current program. We don't do that yet, but we can.
2023-11-04 02:57:38 +00:00
vkCmdBlitImage (state->vk_command_buffer,
gpu: Add outline of new GPU renderer For now, it just renders using cairo, uploads the result to the GPU, blits it onto the framebuffer and then is happy. But it can do that using Vulkan and using GL (no idea which version). The most important thing still missing is shaders. It also has a bunch of copy/paste from the Vulkan renderer that isn't used yet. But I didn't want to rip it out and then try to copy it back later
2023-08-12 20:10:16 +00:00
gsk_vulkan_image_get_vk_image (GSK_VULKAN_IMAGE (self->src_image)),
src_layout,
gsk_vulkan_image_get_vk_image (GSK_VULKAN_IMAGE (self->dest_image)),
dest_layout,
1,
&(VkImageBlit) {
.srcSubresource = {
.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
.mipLevel = 0,
.baseArrayLayer = 0,
.layerCount = 1
},
.srcOffsets = {
{
.x = self->src_rect.x,
.y = self->src_rect.y,
.z = 0,
},
{
.x = self->src_rect.x + self->src_rect.width,
.y = self->src_rect.y + self->src_rect.height,
.z = 1
}
},
.dstSubresource = {
.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
.mipLevel = 0,
.baseArrayLayer = 0,
.layerCount = 1
},
.dstOffsets = {
{
.x = self->dest_rect.x,
.y = self->dest_rect.y,
.z = 0,
},
{
.x = self->dest_rect.x + self->dest_rect.width,
.y = self->dest_rect.y + self->dest_rect.height,
.z = 1,
}
},
},
filter);
return op->next;
}
#endif
static GskGpuOp *
gpu: Add a CommandState struct to the command vfuncs This way, we can make it writable and track things like the active textures and the current program. We don't do that yet, but we can.
2023-11-04 02:57:38 +00:00
gsk_gpu_blit_op_gl_command (GskGpuOp *op,
GskGpuFrame *frame,
GskGLCommandState *state)
gpu: Add outline of new GPU renderer For now, it just renders using cairo, uploads the result to the GPU, blits it onto the framebuffer and then is happy. But it can do that using Vulkan and using GL (no idea which version). The most important thing still missing is shaders. It also has a bunch of copy/paste from the Vulkan renderer that isn't used yet. But I didn't want to rip it out and then try to copy it back later
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{
GskGpuBlitOp *self = (GskGpuBlitOp *) op;
GLenum filter;
gsk_gl_image_bind_framebuffer_target (GSK_GL_IMAGE (self->src_image), GL_READ_FRAMEBUFFER);
gsk_gl_image_bind_framebuffer_target (GSK_GL_IMAGE (self->dest_image), GL_DRAW_FRAMEBUFFER);
switch (self->filter)
{
default:
g_assert_not_reached ();
G_GNUC_FALLTHROUGH;
case GSK_GPU_BLIT_LINEAR:
filter = GL_LINEAR;
break;
case GSK_GPU_BLIT_NEAREST:
filter = GL_NEAREST;
break;
}
glDisable (GL_SCISSOR_TEST);
glBlitFramebuffer (self->src_rect.x,
self->src_rect.y,
self->src_rect.x + self->src_rect.width,
self->src_rect.y + self->src_rect.height,
self->dest_rect.x,
gpu: Add a CommandState struct to the command vfuncs This way, we can make it writable and track things like the active textures and the current program. We don't do that yet, but we can.
2023-11-04 02:57:38 +00:00
state->flip_y ? state->flip_y - self->dest_rect.y - self->dest_rect.height
gpu: Add a flip_y argument to shader execution Because GL flips its shit sometimes (ie when it's the framebuffer), pass the height of the target as the flip variable, so commands that need to operate on the pixels can flip the y axis around this value.
2023-08-29 06:34:55 +00:00
: self->dest_rect.y,
gpu: Add outline of new GPU renderer For now, it just renders using cairo, uploads the result to the GPU, blits it onto the framebuffer and then is happy. But it can do that using Vulkan and using GL (no idea which version). The most important thing still missing is shaders. It also has a bunch of copy/paste from the Vulkan renderer that isn't used yet. But I didn't want to rip it out and then try to copy it back later
2023-08-12 20:10:16 +00:00
self->dest_rect.x + self->dest_rect.width,
gpu: Add a CommandState struct to the command vfuncs This way, we can make it writable and track things like the active textures and the current program. We don't do that yet, but we can.
2023-11-04 02:57:38 +00:00
state->flip_y ? state->flip_y - self->dest_rect.y
gpu: Add a flip_y argument to shader execution Because GL flips its shit sometimes (ie when it's the framebuffer), pass the height of the target as the flip variable, so commands that need to operate on the pixels can flip the y axis around this value.
2023-08-29 06:34:55 +00:00
: self->dest_rect.y + self->dest_rect.height,
gpu: Add outline of new GPU renderer For now, it just renders using cairo, uploads the result to the GPU, blits it onto the framebuffer and then is happy. But it can do that using Vulkan and using GL (no idea which version). The most important thing still missing is shaders. It also has a bunch of copy/paste from the Vulkan renderer that isn't used yet. But I didn't want to rip it out and then try to copy it back later
2023-08-12 20:10:16 +00:00
GL_COLOR_BUFFER_BIT,
filter);
glEnable (GL_SCISSOR_TEST);
return op->next;
}
static const GskGpuOpClass GSK_GPU_BLIT_OP_CLASS = {
GSK_GPU_OP_SIZE (GskGpuBlitOp),
GSK_GPU_STAGE_PASS,
gsk_gpu_blit_op_finish,
gsk_gpu_blit_op_print,
#ifdef GDK_RENDERING_VULKAN
gsk_gpu_blit_op_vk_command,
#endif
gsk_gpu_blit_op_gl_command
};
void
gsk_gpu_blit_op (GskGpuFrame *frame,
GskGpuImage *src_image,
GskGpuImage *dest_image,
const cairo_rectangle_int_t *src_rect,
const cairo_rectangle_int_t *dest_rect,
GskGpuBlitFilter filter)
{
GskGpuBlitOp *self;
gpu: Add blitting support Add GSK_GPU_IMAGE_NO_BLIT flag for textures that can't be blitted from. Use a blit op to do image copies otherwise.
2023-11-01 05:04:14 +00:00
g_assert ((gsk_gpu_image_get_flags (src_image) & GSK_GPU_IMAGE_NO_BLIT) == 0);
gpu: Add more assertions to blitop The blitop is nasty, so we should make sure we have supported images when using it.
2024-01-03 12:24:40 +00:00
g_assert (filter != GSK_GPU_BLIT_LINEAR || (gsk_gpu_image_get_flags (src_image) & GSK_GPU_IMAGE_FILTERABLE) == GSK_GPU_IMAGE_FILTERABLE);
g_assert ((gsk_gpu_image_get_flags (dest_image) & GSK_GPU_IMAGE_RENDERABLE) == GSK_GPU_IMAGE_RENDERABLE);
gpu: Add blitting support Add GSK_GPU_IMAGE_NO_BLIT flag for textures that can't be blitted from. Use a blit op to do image copies otherwise.
2023-11-01 05:04:14 +00:00
gpu: Add outline of new GPU renderer For now, it just renders using cairo, uploads the result to the GPU, blits it onto the framebuffer and then is happy. But it can do that using Vulkan and using GL (no idea which version). The most important thing still missing is shaders. It also has a bunch of copy/paste from the Vulkan renderer that isn't used yet. But I didn't want to rip it out and then try to copy it back later
2023-08-12 20:10:16 +00:00
self = (GskGpuBlitOp *) gsk_gpu_op_alloc (frame, &GSK_GPU_BLIT_OP_CLASS);
self->src_image = g_object_ref (src_image);
self->dest_image = g_object_ref (dest_image);
self->src_rect = *src_rect;
self->dest_rect = *dest_rect;
self->filter = filter;
}
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