Tizen 2.1 base
[sdk/emulator/qemu.git] / gl / mesa / src / gallium / drivers / i915 / i915_batchbuffer.h
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27
28 #ifndef I915_BATCHBUFFER_H
29 #define I915_BATCHBUFFER_H
30
31 #include "i915_winsys.h"
32 #include "util/u_debug.h"
33
34 struct i915_context;
35
36 static INLINE size_t
37 i915_winsys_batchbuffer_space(struct i915_winsys_batchbuffer *batch)
38 {
39    return batch->size - (batch->ptr - batch->map);
40 }
41
42 static INLINE boolean
43 i915_winsys_batchbuffer_check(struct i915_winsys_batchbuffer *batch,
44                               size_t dwords)
45 {
46    return dwords * 4 <= i915_winsys_batchbuffer_space(batch);
47 }
48
49 static INLINE void
50 i915_winsys_batchbuffer_dword_unchecked(struct i915_winsys_batchbuffer *batch,
51                                         unsigned dword)
52 {
53    *(unsigned *)batch->ptr = dword;
54    batch->ptr += 4;
55 }
56
57 static INLINE void
58 i915_winsys_batchbuffer_float(struct i915_winsys_batchbuffer *batch,
59                               float f)
60 {
61    union { float f; unsigned int ui; } uif;
62    uif.f = f;
63    assert (i915_winsys_batchbuffer_space(batch) >= 4);
64    i915_winsys_batchbuffer_dword_unchecked(batch, uif.ui);
65 }
66
67 static INLINE void
68 i915_winsys_batchbuffer_dword(struct i915_winsys_batchbuffer *batch,
69                               unsigned dword)
70 {
71    assert (i915_winsys_batchbuffer_space(batch) >= 4);
72    i915_winsys_batchbuffer_dword_unchecked(batch, dword);
73 }
74
75 static INLINE void
76 i915_winsys_batchbuffer_write(struct i915_winsys_batchbuffer *batch,
77                               void *data,
78                               size_t size)
79 {
80    assert (i915_winsys_batchbuffer_space(batch) >= size);
81
82    memcpy(batch->ptr, data, size);
83    batch->ptr += size;
84 }
85
86 static INLINE boolean
87 i915_winsys_validate_buffers(struct i915_winsys_batchbuffer *batch,
88                              struct i915_winsys_buffer **buffers,
89                              int num_of_buffers)
90 {
91    return batch->iws->validate_buffers(batch, buffers, num_of_buffers);
92 }
93
94 static INLINE int
95 i915_winsys_batchbuffer_reloc(struct i915_winsys_batchbuffer *batch,
96                               struct i915_winsys_buffer *buffer,
97                               enum i915_winsys_buffer_usage usage,
98                               size_t offset, boolean fenced)
99 {
100    return batch->iws->batchbuffer_reloc(batch, buffer, usage, offset, fenced);
101 }
102
103 #endif