As specified in:
http://www.khronos.org/registry/egl/extensions/EXT/EGL_EXT_image_dma_buf_import.txt
Checking for the valid fourcc values is left for drivers avoiding
dependency to drm header files here.
v2:
- enforce EGL_NO_CONTEXT
Signed-off-by: Topi Pohjolainen <topi.pohjolai...@intel.com>
---
include/EGL/eglext.h | 33 ++++++++++++++++++++
src/egl/main/eglapi.c | 7 ++++-
src/egl/main/egldisplay.h | 1 +
src/egl/main/eglimage.c | 76 ++++++++++++++++++++++++++++++++++++++++++++++
src/egl/main/eglimage.h | 15 +++++++++
src/mesa/main/extensions.c | 1 +
src/mesa/main/mtypes.h | 1 +
7 files changed, 133 insertions(+), 1 deletion(-)
diff --git a/include/EGL/eglext.h b/include/EGL/eglext.h
index b2b5a80..9b9be8f 100644
--- a/include/EGL/eglext.h
+++ b/include/EGL/eglext.h
@@ -532,6 +532,39 @@ typedef EGLint (EGLAPIENTRYP
PFNEGLDUPNATIVEFENCEFDANDROIDPROC)(EGLDisplay dpy,
#define EGL_BUFFER_AGE_EXT 0x313D
#endif
+#define EGL_LINUX_DMA_BUF_EXT 0x3270 /* eglCreateImageKHR target */
+
+/* Attributes for eglCreateImageKHR. */
+#define EGL_LINUX_DRM_FOURCC_EXT 0x3271
+#define EGL_DMA_BUF_PLANE0_FD_EXT 0x3272
+#define EGL_DMA_BUF_PLANE0_OFFSET_EXT 0x3273
+#define EGL_DMA_BUF_PLANE0_PITCH_EXT 0x3274
+#define EGL_DMA_BUF_PLANE1_FD_EXT 0x3275
+#define EGL_DMA_BUF_PLANE1_OFFSET_EXT 0x3276
+#define EGL_DMA_BUF_PLANE1_PITCH_EXT 0x3277
+#define EGL_DMA_BUF_PLANE2_FD_EXT 0x3278
+#define EGL_DMA_BUF_PLANE2_OFFSET_EXT 0x3279
+#define EGL_DMA_BUF_PLANE2_PITCH_EXT 0x327A
+#define EGL_YUV_COLOR_SPACE_HINT_EXT 0x327B
+#define EGL_SAMPLE_RANGE_HINT_EXT 0x327C
+#define EGL_YUV_CHROMA_HORIZONTAL_SITING_HINT_EXT 0x327D
+#define EGL_YUV_CHROMA_VERTICAL_SITING_HINT_EXT 0x327E
+
+/* Accepted values for EGL_YUV_COLOR_SPACE_HINT_EXT attribute */
+#define EGL_ITU_REC601_EXT 0x327F
+#define EGL_ITU_REC709_EXT 0x3280
+#define EGL_ITU_REC2020_EXT 0x3281
+
+/* Accepted values for EGL_SAMPLE_RANGE_HINT_EXT attribute */
+#define EGL_YUV_FULL_RANGE_EXT 0x3282
+#define EGL_YUV_NARROW_RANGE_EXT 0x3283
+
+/* Accepted values for attributes EGL_YUV_CHROMA_HORIZONTAL_SITING_HINT_EXT
+ * and EGL_YUV_CHROMA_VERTICAL_SITING_HINT_EXT
+ */
+#define EGL_YUV_CHROMA_SITING_0_EXT 0x3284
+#define EGL_YUV_CHROMA_SITING_0_5_EXT 0x3285
+
#include <EGL/eglmesaext.h>
#ifdef __cplusplus
diff --git a/src/egl/main/eglapi.c b/src/egl/main/eglapi.c
index bcc5465..2355d45 100644
--- a/src/egl/main/eglapi.c
+++ b/src/egl/main/eglapi.c
@@ -1310,7 +1310,12 @@ eglCreateImageKHR(EGLDisplay dpy, EGLContext ctx,
EGLenum target,
_EGL_CHECK_DISPLAY(disp, EGL_NO_IMAGE_KHR, drv);
if (!disp->Extensions.KHR_image_base)
RETURN_EGL_EVAL(disp, EGL_NO_IMAGE_KHR);
- if (!context && ctx != EGL_NO_CONTEXT)
+
+ /**
+ * "If <target> is EGL_LINUX_DMA_BUF_EXT, <dpy> must be a valid display,
+ * <ctx> must be EGL_NO_CONTEXT..."
+ */
+ if (ctx != EGL_NO_CONTEXT && (!context || target == EGL_LINUX_DMA_BUF_EXT))
RETURN_EGL_ERROR(disp, EGL_BAD_CONTEXT, EGL_NO_IMAGE_KHR);
img = drv->API.CreateImageKHR(drv,
diff --git a/src/egl/main/egldisplay.h b/src/egl/main/egldisplay.h
index 4b33470..5a21f78 100644
--- a/src/egl/main/egldisplay.h
+++ b/src/egl/main/egldisplay.h
@@ -115,6 +115,7 @@ struct _egl_extensions
EGLBoolean EXT_create_context_robustness;
EGLBoolean EXT_buffer_age;
+ EGLBoolean EXT_image_dma_buf_import;
};
diff --git a/src/egl/main/eglimage.c b/src/egl/main/eglimage.c
index bfae709..1cede31 100644
--- a/src/egl/main/eglimage.c
+++ b/src/egl/main/eglimage.c
@@ -93,6 +93,82 @@ _eglParseImageAttribList(_EGLImageAttribs *attrs,
_EGLDisplay *dpy,
attrs->PlaneWL = val;
break;
+ case EGL_LINUX_DRM_FOURCC_EXT:
+ attrs->DMABufFourCC.Value = val;
+ attrs->DMABufFourCC.IsPresent = EGL_TRUE;
+ break;
+ case EGL_DMA_BUF_PLANE0_FD_EXT:
+ attrs->DMABufPlaneFds[0].Value = val;
+ attrs->DMABufPlaneFds[0].IsPresent = EGL_TRUE;
+ break;
+ case EGL_DMA_BUF_PLANE0_OFFSET_EXT:
+ attrs->DMABufPlaneOffsets[0].Value = val;
+ attrs->DMABufPlaneOffsets[0].IsPresent = EGL_TRUE;
+ break;
+ case EGL_DMA_BUF_PLANE0_PITCH_EXT:
+ attrs->DMABufPlanePitches[0].Value = val;
+ attrs->DMABufPlanePitches[0].IsPresent = EGL_TRUE;
+ break;
+ case EGL_DMA_BUF_PLANE1_FD_EXT:
+ attrs->DMABufPlaneFds[1].Value = val;
+ attrs->DMABufPlaneFds[1].IsPresent = EGL_TRUE;
+ break;
+ case EGL_DMA_BUF_PLANE1_OFFSET_EXT:
+ attrs->DMABufPlaneOffsets[1].Value = val;
+ attrs->DMABufPlaneOffsets[1].IsPresent = EGL_TRUE;
+ break;
+ case EGL_DMA_BUF_PLANE1_PITCH_EXT:
+ attrs->DMABufPlanePitches[1].Value = val;
+ attrs->DMABufPlanePitches[1].IsPresent = EGL_TRUE;
+ break;
+ case EGL_DMA_BUF_PLANE2_FD_EXT:
+ attrs->DMABufPlaneFds[2].Value = val;
+ attrs->DMABufPlaneFds[2].IsPresent = EGL_TRUE;
+ break;
+ case EGL_DMA_BUF_PLANE2_OFFSET_EXT:
+ attrs->DMABufPlaneOffsets[2].Value = val;
+ attrs->DMABufPlaneOffsets[2].IsPresent = EGL_TRUE;
+ break;
+ case EGL_DMA_BUF_PLANE2_PITCH_EXT:
+ attrs->DMABufPlanePitches[2].Value = val;
+ attrs->DMABufPlanePitches[2].IsPresent = EGL_TRUE;
+ break;
+ case EGL_YUV_COLOR_SPACE_HINT_EXT:
+ if (val != EGL_ITU_REC601_EXT || val != EGL_ITU_REC709_EXT ||
+ val != EGL_ITU_REC2020_EXT) {
+ err = EGL_BAD_ATTRIBUTE;
+ } else {
+ attrs->DMABufYuvColorSpaceHint.Value = val;
+ attrs->DMABufYuvColorSpaceHint.IsPresent = EGL_TRUE;
+ }
+ break;
+ case EGL_SAMPLE_RANGE_HINT_EXT:
+ if (val != EGL_YUV_FULL_RANGE_EXT || val != EGL_YUV_NARROW_RANGE_EXT)
{
+ err = EGL_BAD_ATTRIBUTE;
+ } else {
+ attrs->DMABufSampleRangeHint.Value = val;
+ attrs->DMABufSampleRangeHint.IsPresent = EGL_TRUE;
+ }
+ break;
+ case EGL_YUV_CHROMA_HORIZONTAL_SITING_HINT_EXT:
+ if (val != EGL_YUV_CHROMA_SITING_0_EXT ||
+ val != EGL_YUV_CHROMA_SITING_0_5_EXT) {
+ err = EGL_BAD_ATTRIBUTE;
+ } else {
+ attrs->DMABufChromaHorizontalSiting.Value = val;
+ attrs->DMABufChromaHorizontalSiting.IsPresent = EGL_TRUE;
+ }
+ break;
+ case EGL_YUV_CHROMA_VERTICAL_SITING_HINT_EXT:
+ if (val != EGL_YUV_CHROMA_SITING_0_EXT ||
+ val != EGL_YUV_CHROMA_SITING_0_5_EXT) {
+ err = EGL_BAD_ATTRIBUTE;
+ } else {
+ attrs->DMABufChromaVerticalSiting.Value = val;
+ attrs->DMABufChromaVerticalSiting.IsPresent = EGL_TRUE;
+ }
+ break;
+
default:
/* unknown attrs are ignored */
break;
diff --git a/src/egl/main/eglimage.h b/src/egl/main/eglimage.h
index 9cc86d5..1b4d6cd 100644
--- a/src/egl/main/eglimage.h
+++ b/src/egl/main/eglimage.h
@@ -34,6 +34,11 @@
#include "egltypedefs.h"
#include "egldisplay.h"
+struct _egl_image_attrib_int
+{
+ EGLint Value;
+ EGLBoolean IsPresent;
+};
struct _egl_image_attribs
{
@@ -53,6 +58,16 @@ struct _egl_image_attribs
/* EGL_WL_bind_wayland_display */
EGLint PlaneWL;
+
+ /* EGL_EXT_image_dma_buf_import */
+ struct _egl_image_attrib_int DMABufFourCC;
+ struct _egl_image_attrib_int DMABufPlaneFds[3];
+ struct _egl_image_attrib_int DMABufPlaneOffsets[3];
+ struct _egl_image_attrib_int DMABufPlanePitches[3];
+ struct _egl_image_attrib_int DMABufYuvColorSpaceHint;
+ struct _egl_image_attrib_int DMABufSampleRangeHint;
+ struct _egl_image_attrib_int DMABufChromaHorizontalSiting;
+ struct _egl_image_attrib_int DMABufChromaVerticalSiting;
};
/**
diff --git a/src/mesa/main/extensions.c b/src/mesa/main/extensions.c
index d8c5f53..36a972c 100644
--- a/src/mesa/main/extensions.c
+++ b/src/mesa/main/extensions.c
@@ -239,6 +239,7 @@ static const struct extension extension_table[] = {
{ "GL_EXT_vertex_array_bgra", o(EXT_vertex_array_bgra),
GL, 2008 },
{ "GL_EXT_vertex_array", o(dummy_true),
GLL, 1995 },
{ "GL_EXT_color_buffer_float", o(dummy_true),
ES3, 2013 },
+ { "GL_EXT_image_dma_buf_import",
o(EXT_image_dma_buf_import), ES1 | ES2,
2013 },
/* OES extensions */
{ "GL_OES_blend_equation_separate",
o(EXT_blend_equation_separate), ES1, 2009 },
diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
index 139c6af..26d16f2 100644
--- a/src/mesa/main/mtypes.h
+++ b/src/mesa/main/mtypes.h
@@ -3078,6 +3078,7 @@ struct gl_extensions
GLboolean OES_depth_texture_cube_map;
GLboolean OES_EGL_image_external;
GLboolean OES_compressed_ETC1_RGB8_texture;
+ GLboolean EXT_image_dma_buf_import;
GLboolean extension_sentinel;
/** The extension string */
const GLubyte *String;
--
1.8.1.2
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