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-rw-r--r--kms++/CMakeLists.txt14
-rw-r--r--kms++/inc/kms++/omap/omapcard.h21
-rw-r--r--kms++/inc/kms++/omap/omapframebuffer.h52
-rw-r--r--kms++/inc/kms++/omap/omapkms++.h4
-rw-r--r--kms++/src/omap/omapcard.cpp29
-rw-r--r--kms++/src/omap/omapframebuffer.cpp126
6 files changed, 245 insertions, 1 deletions
diff --git a/kms++/CMakeLists.txt b/kms++/CMakeLists.txt
index 51ccc65..10352a2 100644
--- a/kms++/CMakeLists.txt
+++ b/kms++/CMakeLists.txt
@@ -1,8 +1,20 @@
include_directories(${LIBDRM_INCLUDE_DIRS})
link_directories(${LIBDRM_LIBRARY_DIRS})
+include_directories(${LIBDRM_OMAP_INCLUDE_DIRS})
+link_directories(${LIBDRM_OMAP_LIBRARY_DIRS})
+
file(GLOB SRCS "src/*.cpp" "src/*.h")
file(GLOB PUB_HDRS "inc/kms++/*.h")
+
+if(LIBDRM_OMAP_FOUND)
+ file(GLOB OMAP_SRCS "src/omap/*.cpp" "src/omap/*.h")
+ file(GLOB OMAP_PUB_HDRS "inc/kms++/omap/*.h")
+
+ set(SRCS ${SRCS} ${OMAP_SRCS})
+ set(PUB_HDRS ${PUB_HDRS} ${OMAP_PUB_HDRS})
+endif()
+
add_library(kms++ ${SRCS} ${PUB_HDRS})
target_include_directories(kms++ PUBLIC
@@ -10,7 +22,7 @@ target_include_directories(kms++ PUBLIC
$<INSTALL_INTERFACE:include>
PRIVATE src)
-target_link_libraries(kms++ ${LIBDRM_LIBRARIES})
+target_link_libraries(kms++ ${LIBDRM_LIBRARIES} ${LIBDRM_OMAP_LIBRARIES})
set_target_properties(kms++ PROPERTIES
PUBLIC_HEADER "${PUB_HDRS}")
diff --git a/kms++/inc/kms++/omap/omapcard.h b/kms++/inc/kms++/omap/omapcard.h
new file mode 100644
index 0000000..5c2f3a5
--- /dev/null
+++ b/kms++/inc/kms++/omap/omapcard.h
@@ -0,0 +1,21 @@
+#pragma once
+
+#include <kms++/card.h>
+
+struct omap_device;
+
+namespace kms
+{
+class OmapCard : public Card
+{
+public:
+ OmapCard();
+ OmapCard(const std::string& device);
+ virtual ~OmapCard();
+
+ struct omap_device* dev() const { return m_omap_dev; }
+
+private:
+ struct omap_device* m_omap_dev;
+};
+}
diff --git a/kms++/inc/kms++/omap/omapframebuffer.h b/kms++/inc/kms++/omap/omapframebuffer.h
new file mode 100644
index 0000000..b39ede6
--- /dev/null
+++ b/kms++/inc/kms++/omap/omapframebuffer.h
@@ -0,0 +1,52 @@
+#pragma once
+
+#include <kms++/mappedframebuffer.h>
+#include <kms++/pixelformats.h>
+
+struct omap_bo;
+
+namespace kms
+{
+class OmapCard;
+
+class OmapFramebuffer : public MappedFramebuffer
+{
+public:
+ OmapFramebuffer(OmapCard& card, uint32_t width, uint32_t height, PixelFormat format);
+ virtual ~OmapFramebuffer();
+
+ uint32_t width() const { return Framebuffer::width(); }
+ uint32_t height() const { return Framebuffer::height(); }
+
+ PixelFormat format() const { return m_format; }
+ unsigned num_planes() const { return m_num_planes; }
+
+ uint32_t handle(unsigned plane) const { return m_planes[plane].handle; }
+ uint32_t stride(unsigned plane) const { return m_planes[plane].stride; }
+ uint32_t size(unsigned plane) const { return m_planes[plane].size; }
+ uint32_t offset(unsigned plane) const { return m_planes[plane].offset; }
+ uint8_t* map(unsigned plane);
+ int prime_fd(unsigned plane);
+
+private:
+ OmapCard& m_omap_card;
+
+ struct FramebufferPlane {
+ struct omap_bo* omap_bo;
+ uint32_t handle;
+ int prime_fd;
+ uint32_t size;
+ uint32_t stride;
+ uint32_t offset;
+ uint8_t* map;
+ };
+
+ void Create();
+ void Destroy();
+
+ unsigned m_num_planes;
+ struct FramebufferPlane m_planes[3];
+
+ PixelFormat m_format;
+};
+}
diff --git a/kms++/inc/kms++/omap/omapkms++.h b/kms++/inc/kms++/omap/omapkms++.h
new file mode 100644
index 0000000..0d86841
--- /dev/null
+++ b/kms++/inc/kms++/omap/omapkms++.h
@@ -0,0 +1,4 @@
+#pragma once
+
+#include <kms++/omap/omapcard.h>
+#include <kms++/omap/omapframebuffer.h>
diff --git a/kms++/src/omap/omapcard.cpp b/kms++/src/omap/omapcard.cpp
new file mode 100644
index 0000000..e811b6d
--- /dev/null
+++ b/kms++/src/omap/omapcard.cpp
@@ -0,0 +1,29 @@
+
+#include <kms++/omap/omapcard.h>
+
+extern "C" {
+#include <omap_drmif.h>
+}
+
+using namespace std;
+
+namespace kms
+{
+OmapCard::OmapCard()
+ : OmapCard("/dev/dri/card0")
+{
+
+}
+
+OmapCard::OmapCard(const string& device)
+ : Card(device)
+{
+ m_omap_dev = omap_device_new(fd());
+}
+
+OmapCard::~OmapCard()
+{
+ omap_device_del(m_omap_dev);
+}
+
+}
diff --git a/kms++/src/omap/omapframebuffer.cpp b/kms++/src/omap/omapframebuffer.cpp
new file mode 100644
index 0000000..a3a696d
--- /dev/null
+++ b/kms++/src/omap/omapframebuffer.cpp
@@ -0,0 +1,126 @@
+
+#include <cstring>
+#include <stdexcept>
+#include <sys/mman.h>
+#include <xf86drm.h>
+#include <xf86drmMode.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <drm_fourcc.h>
+#include <drm.h>
+#include <drm_mode.h>
+
+#include <kms++/kms++.h>
+#include <kms++/omap/omapkms++.h>
+
+extern "C" {
+#include <omap_drmif.h>
+}
+
+using namespace std;
+
+namespace kms
+{
+
+OmapFramebuffer::OmapFramebuffer(OmapCard& card, uint32_t width, uint32_t height, PixelFormat format)
+ : MappedFramebuffer(card, width, height), m_omap_card(card), m_format(format)
+{
+ Create();
+}
+
+OmapFramebuffer::~OmapFramebuffer()
+{
+ Destroy();
+}
+
+void OmapFramebuffer::Create()
+{
+ const PixelFormatInfo& format_info = get_pixel_format_info(m_format);
+
+ m_num_planes = format_info.num_planes;
+
+ for (int i = 0; i < format_info.num_planes; ++i) {
+ const PixelFormatPlaneInfo& pi = format_info.planes[i];
+ FramebufferPlane& plane = m_planes[i];
+
+ uint32_t flags = OMAP_BO_SCANOUT | OMAP_BO_WC;
+
+ uint32_t size = width() * height() * pi.bitspp / 8;
+
+ struct omap_bo* bo = omap_bo_new(m_omap_card.dev(), size, flags);
+ if (!bo)
+ throw invalid_argument(string("omap_bo_new failed: ") + strerror(errno));
+
+ uint32_t stride = width() * pi.bitspp / 8;
+
+ plane.omap_bo = bo;
+ plane.handle = omap_bo_handle(bo);
+ plane.stride = stride;
+ plane.size = omap_bo_size(bo);
+ plane.offset = 0;
+ plane.map = 0;
+ plane.prime_fd = -1;
+ }
+
+ /* create framebuffer object for the dumb-buffer */
+ uint32_t bo_handles[4] = { m_planes[0].handle, m_planes[1].handle };
+ uint32_t pitches[4] = { m_planes[0].stride, m_planes[1].stride };
+ uint32_t offsets[4] = { m_planes[0].offset, m_planes[1].offset };
+ uint32_t id;
+ int r = drmModeAddFB2(card().fd(), width(), height(), (uint32_t)format(),
+ bo_handles, pitches, offsets, &id, 0);
+ if (r)
+ throw invalid_argument(string("drmModeAddFB2 failed: ") + strerror(errno));
+
+ set_id(id);
+}
+
+void OmapFramebuffer::Destroy()
+{
+ drmModeRmFB(card().fd(), id());
+
+ for (uint i = 0; i < m_num_planes; ++i) {
+ FramebufferPlane& plane = m_planes[i];
+
+ /* unmap buffer */
+ if (plane.map)
+ munmap(plane.map, plane.size);
+
+ omap_bo_del(plane.omap_bo);
+
+ if (plane.prime_fd >= 0)
+ ::close(plane.prime_fd);
+ }
+}
+
+uint8_t* OmapFramebuffer::map(unsigned plane)
+{
+ FramebufferPlane& p = m_planes[plane];
+
+ if (p.map)
+ return p.map;
+
+ p.map = (uint8_t*)omap_bo_map(p.omap_bo);
+ if (p.map == MAP_FAILED)
+ throw invalid_argument(string("mmap failed: ") + strerror(errno));
+
+ return p.map;
+}
+
+int OmapFramebuffer::prime_fd(unsigned int plane)
+{
+ FramebufferPlane& p = m_planes[plane];
+
+ if (p.prime_fd >= 0)
+ return p.prime_fd;
+
+ int fd = omap_bo_dmabuf(p.omap_bo);
+ if (fd < 0)
+ throw std::runtime_error("omap_bo_dmabuf failed\n");
+
+ p.prime_fd = fd;
+
+ return fd;
+}
+
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-26 14:58:14 +0000