- add double buffering, flip, sync grc opcode, add render-idle-notify.\n - add (disabled by default) accel hooks.

1 files changed, 134 insertions, 0 deletions

diff --git a/lib/gdi/accel.cpp b/lib/gdi/accel.cpp
new file mode 100644
index 00000000..dcc5db04
--- /dev/null
+++ b/lib/gdi/accel.cpp
@@ -0,0 +1,134 @@
+#include <lib/base/init.h>
+#include <lib/base/init_num.h>
+#include <lib/gdi/accel.h>
+#include <lib/base/eerror.h>
+#include <lib/gdi/esize.h>
+#include <lib/gdi/epoint.h>
+#include <lib/gdi/erect.h>
+#include <lib/gdi/gpixmap.h>
+
+gAccel *gAccel::instance;
+
+extern int ati_accel_init(void);
+extern void ati_accel_close(void);
+extern void ati_accel_blit(
+		int src_addr, int src_width, int src_height, int src_stride,
+		int dst_addr, int dst_width, int dst_height, int dst_stride,
+		int src_x, int src_y, int width, int height,
+		int dst_x, int dst_y);
+extern void ati_accel_fill(
+		int dst_addr, int dst_width, int dst_height, int dst_stride,
+		int x, int y, int width, int height,
+		unsigned long color);
+
+gAccel::gAccel()
+{
+	m_accel_addr = 0;
+	m_accel_phys_addr = 0;
+	m_accel_size = 0;
+	m_accel_allocation = 0;
+	instance = this;
+
+#ifdef ATI_ACCEL	
+	ati_accel_init();
+#endif
+}
+
+gAccel::~gAccel()
+{
+#ifdef ATI_ACCEL
+	ati_accel_close();
+#endif
+	instance = 0;
+}
+
+gAccel *gAccel::getInstance()
+{
+	return instance;
+}
+ 
+void gAccel::setAccelMemorySpace(void *addr, int phys_addr, int size)
+{
+	if (m_accel_allocation)
+		delete[] m_accel_allocation;
+	
+	m_accel_size = size >> 12;
+	
+	m_accel_allocation = new int[m_accel_size];
+	memset(m_accel_allocation, 0, sizeof(int)*m_accel_size);
+	
+	m_accel_addr = addr;
+	m_accel_phys_addr = phys_addr;
+}
+
+int gAccel::blit(gSurface *dst, const gSurface *src, const ePoint &p, const eRect &area, int flags)
+{
+#ifdef ATI_ACCEL
+	ati_accel_blit(
+		src->data_phys, src->x, src->y, src->stride,
+		dst->data_phys, dst->x, dst->y, dst->stride, 
+		area.left(), area.top(), area.width(), area.height(),
+		p.x(), p.y());
+	return 0;
+#endif
+	return -1;
+}
+
+int gAccel::fill(gSurface *dst, const eRect &area, unsigned long col)
+{
+#ifdef ATI_ACCEL
+	ati_accel_fill(
+		dst->data_phys, dst->x, dst->y, dst->stride, 
+		area.left(), area.top(), area.width(), area.height(),
+		col);
+	return 0;
+#endif
+	return -1;
+}
+
+int gAccel::accelAlloc(void *&addr, int &phys_addr, int size)
+{
+	if ((!size) || (!m_accel_allocation))
+	{
+		eDebug("size: %d, alloc %p", m_accel_allocation);
+		addr = 0;
+		phys_addr = 0;
+		return -1;
+	}
+	
+	size += 4095; size >>= 12;
+	int i;
+
+	for (i=0; i < m_accel_size - size; ++i)
+	{
+		int a;
+		for (a=0; a<size; ++a)
+			if (m_accel_allocation[i+a])
+				break;
+		if (a == size)
+		{
+			m_accel_allocation[i+a] = size;
+			for (a=1; a<size; ++a)
+				m_accel_allocation[i+a] = -1;
+			addr = ((unsigned char*)m_accel_addr) + (i << 12);
+			phys_addr = m_accel_phys_addr + (i << 12);
+			return 0;
+		}
+	}
+	return -1;
+}
+
+void gAccel::accelFree(int phys_addr)
+{
+	phys_addr -= m_accel_phys_addr;
+	phys_addr >>= 12;
+	
+	int size = m_accel_allocation[phys_addr];
+	
+	ASSERT(size > 0);
+	
+	while (size--)
+		m_accel_allocation[phys_addr++] = 0;
+}
+
+eAutoInitP0<gAccel> init_gAccel(eAutoInitNumbers::graphic-2, "graphics acceleration manager");