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Diffstat (limited to 'ui/egl-helpers.c')
-rw-r--r--ui/egl-helpers.c113
1 files changed, 84 insertions, 29 deletions
diff --git a/ui/egl-helpers.c b/ui/egl-helpers.c
index d591159..5503a79 100644
--- a/ui/egl-helpers.c
+++ b/ui/egl-helpers.c
@@ -23,6 +23,7 @@
#include "system/system.h"
#include "qapi/error.h"
#include "trace.h"
+#include "standard-headers/drm/drm_fourcc.h"
EGLDisplay *qemu_egl_display;
EGLConfig qemu_egl_config;
@@ -92,14 +93,18 @@ void egl_fb_destroy(egl_fb *fb)
fb->width = 0;
fb->height = 0;
+ fb->x = 0;
+ fb->y = 0;
fb->texture = 0;
fb->framebuffer = 0;
}
-void egl_fb_setup_default(egl_fb *fb, int width, int height)
+void egl_fb_setup_default(egl_fb *fb, int width, int height, int x, int y)
{
fb->width = width;
fb->height = height;
+ fb->x = x;
+ fb->y = y;
fb->framebuffer = 0; /* default framebuffer */
}
@@ -144,6 +149,7 @@ void egl_fb_blit(egl_fb *dst, egl_fb *src, bool flip)
glBindFramebuffer(GL_READ_FRAMEBUFFER, src->framebuffer);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, dst->framebuffer);
glViewport(0, 0, dst->width, dst->height);
+ glClear(GL_COLOR_BUFFER_BIT);
if (src->dmabuf) {
x1 = qemu_dmabuf_get_x(src->dmabuf);
@@ -160,7 +166,8 @@ void egl_fb_blit(egl_fb *dst, egl_fb *src, bool flip)
x2 = x1 + w;
glBlitFramebuffer(x1, y1, x2, y2,
- 0, 0, dst->width, dst->height,
+ dst->x, dst->y,
+ dst->x + dst->width, dst->y + dst->height,
GL_COLOR_BUFFER_BIT, GL_LINEAR);
}
@@ -257,6 +264,11 @@ int egl_rendernode_init(const char *rendernode, DisplayGLMode mode)
error_report("egl: EGL_MESA_image_dma_buf_export not supported");
goto err;
}
+ if (!epoxy_has_egl_extension(qemu_egl_display,
+ "EGL_EXT_image_dma_buf_import_modifiers")) {
+ error_report("egl: EGL_EXT_image_dma_buf_import_modifiers not supported");
+ goto err;
+ }
qemu_egl_rn_ctx = qemu_egl_init_ctx();
if (!qemu_egl_rn_ctx) {
@@ -277,44 +289,86 @@ err:
return -1;
}
-int egl_get_fd_for_texture(uint32_t tex_id, EGLint *stride, EGLint *fourcc,
- EGLuint64KHR *modifier)
+bool egl_dmabuf_export_texture(uint32_t tex_id, int *fd, EGLint *offset,
+ EGLint *stride, EGLint *fourcc, int *num_planes,
+ EGLuint64KHR *modifier)
{
EGLImageKHR image;
- EGLint num_planes, fd;
+ EGLuint64KHR modifiers[DMABUF_MAX_PLANES];
image = eglCreateImageKHR(qemu_egl_display, eglGetCurrentContext(),
EGL_GL_TEXTURE_2D_KHR,
(EGLClientBuffer)(unsigned long)tex_id,
NULL);
if (!image) {
- return -1;
+ return false;
}
eglExportDMABUFImageQueryMESA(qemu_egl_display, image, fourcc,
- &num_planes, modifier);
- if (num_planes != 1) {
- eglDestroyImageKHR(qemu_egl_display, image);
- return -1;
- }
- eglExportDMABUFImageMESA(qemu_egl_display, image, &fd, stride, NULL);
+ num_planes, modifiers);
+ eglExportDMABUFImageMESA(qemu_egl_display, image, fd, stride, offset);
eglDestroyImageKHR(qemu_egl_display, image);
- return fd;
+ /* Only first modifier matters. */
+ if (modifier) {
+ *modifier = modifiers[0];
+ }
+
+ return true;
}
void egl_dmabuf_import_texture(QemuDmaBuf *dmabuf)
{
EGLImageKHR image = EGL_NO_IMAGE_KHR;
EGLint attrs[64];
- int i = 0;
- uint64_t modifier;
+ int i = 0, j;
+ uint64_t modifier = qemu_dmabuf_get_modifier(dmabuf);
uint32_t texture = qemu_dmabuf_get_texture(dmabuf);
+ int nfds, noffsets, nstrides;
+ const int *fds = qemu_dmabuf_get_fds(dmabuf, &nfds);
+ const uint32_t *offsets = qemu_dmabuf_get_offsets(dmabuf, &noffsets);
+ const uint32_t *strides = qemu_dmabuf_get_strides(dmabuf, &nstrides);
+ uint32_t num_planes = qemu_dmabuf_get_num_planes(dmabuf);
+
+ EGLint fd_attrs[] = {
+ EGL_DMA_BUF_PLANE0_FD_EXT,
+ EGL_DMA_BUF_PLANE1_FD_EXT,
+ EGL_DMA_BUF_PLANE2_FD_EXT,
+ EGL_DMA_BUF_PLANE3_FD_EXT,
+ };
+ EGLint offset_attrs[] = {
+ EGL_DMA_BUF_PLANE0_OFFSET_EXT,
+ EGL_DMA_BUF_PLANE1_OFFSET_EXT,
+ EGL_DMA_BUF_PLANE2_OFFSET_EXT,
+ EGL_DMA_BUF_PLANE3_OFFSET_EXT,
+ };
+ EGLint stride_attrs[] = {
+ EGL_DMA_BUF_PLANE0_PITCH_EXT,
+ EGL_DMA_BUF_PLANE1_PITCH_EXT,
+ EGL_DMA_BUF_PLANE2_PITCH_EXT,
+ EGL_DMA_BUF_PLANE3_PITCH_EXT,
+ };
+ EGLint modifier_lo_attrs[] = {
+ EGL_DMA_BUF_PLANE0_MODIFIER_LO_EXT,
+ EGL_DMA_BUF_PLANE1_MODIFIER_LO_EXT,
+ EGL_DMA_BUF_PLANE2_MODIFIER_LO_EXT,
+ EGL_DMA_BUF_PLANE3_MODIFIER_LO_EXT,
+ };
+ EGLint modifier_hi_attrs[] = {
+ EGL_DMA_BUF_PLANE0_MODIFIER_HI_EXT,
+ EGL_DMA_BUF_PLANE1_MODIFIER_HI_EXT,
+ EGL_DMA_BUF_PLANE2_MODIFIER_HI_EXT,
+ EGL_DMA_BUF_PLANE3_MODIFIER_HI_EXT,
+ };
if (texture != 0) {
return;
}
+ assert(nfds >= num_planes);
+ assert(noffsets >= num_planes);
+ assert(nstrides >= num_planes);
+
attrs[i++] = EGL_WIDTH;
attrs[i++] = qemu_dmabuf_get_backing_width(dmabuf);
attrs[i++] = EGL_HEIGHT;
@@ -322,21 +376,22 @@ void egl_dmabuf_import_texture(QemuDmaBuf *dmabuf)
attrs[i++] = EGL_LINUX_DRM_FOURCC_EXT;
attrs[i++] = qemu_dmabuf_get_fourcc(dmabuf);
- attrs[i++] = EGL_DMA_BUF_PLANE0_FD_EXT;
- attrs[i++] = qemu_dmabuf_get_fd(dmabuf);
- attrs[i++] = EGL_DMA_BUF_PLANE0_PITCH_EXT;
- attrs[i++] = qemu_dmabuf_get_stride(dmabuf);
- attrs[i++] = EGL_DMA_BUF_PLANE0_OFFSET_EXT;
- attrs[i++] = 0;
-#ifdef EGL_DMA_BUF_PLANE0_MODIFIER_LO_EXT
- modifier = qemu_dmabuf_get_modifier(dmabuf);
- if (modifier) {
- attrs[i++] = EGL_DMA_BUF_PLANE0_MODIFIER_LO_EXT;
- attrs[i++] = (modifier >> 0) & 0xffffffff;
- attrs[i++] = EGL_DMA_BUF_PLANE0_MODIFIER_HI_EXT;
- attrs[i++] = (modifier >> 32) & 0xffffffff;
+ for (j = 0; j < num_planes; j++) {
+ attrs[i++] = fd_attrs[j];
+ /* fd[1-3] may be -1 if using a joint buffer for all planes */
+ attrs[i++] = fds[j] >= 0 ? fds[j] : fds[0];
+ attrs[i++] = stride_attrs[j];
+ attrs[i++] = strides[j];
+ attrs[i++] = offset_attrs[j];
+ attrs[i++] = offsets[j];
+ if (modifier != DRM_FORMAT_MOD_INVALID) {
+ attrs[i++] = modifier_lo_attrs[j];
+ attrs[i++] = (modifier >> 0) & 0xffffffff;
+ attrs[i++] = modifier_hi_attrs[j];
+ attrs[i++] = (modifier >> 32) & 0xffffffff;
+ }
}
-#endif
+
attrs[i++] = EGL_NONE;
image = eglCreateImageKHR(qemu_egl_display,