diff options
author | Chia-I Wu <[email protected]> | 2010-01-12 11:25:02 +0800 |
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committer | Chia-I Wu <[email protected]> | 2010-01-12 11:25:02 +0800 |
commit | 562c127693200822f04a145db50add1be2425d7b (patch) | |
tree | 9441774fb212b17ddf2a364f06abc43f166cc00b /src/gallium/drivers/i965/brw_batchbuffer.h | |
parent | e5d351dcfde58777162552cf5cd2a9cd8299f4cd (diff) | |
parent | 077d6dd7508af88509dd0499c5dfbdaa186b4015 (diff) |
Merge branch 'master' into opengl-es-v2
Conflicts:
src/mesa/main/dd.h
Diffstat (limited to 'src/gallium/drivers/i965/brw_batchbuffer.h')
-rw-r--r-- | src/gallium/drivers/i965/brw_batchbuffer.h | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/src/gallium/drivers/i965/brw_batchbuffer.h b/src/gallium/drivers/i965/brw_batchbuffer.h new file mode 100644 index 00000000000..7473f5bea4d --- /dev/null +++ b/src/gallium/drivers/i965/brw_batchbuffer.h @@ -0,0 +1,148 @@ +#ifndef BRW_BATCHBUFFER_H +#define BRW_BATCHBUFFER_H + +#include "util/u_debug.h" + +#include "brw_types.h" +#include "brw_winsys.h" +#include "brw_reg.h" + +#define BATCH_SZ 16384 +#define BATCH_RESERVED 16 + +/* All ignored: + */ +enum cliprect_mode { + IGNORE_CLIPRECTS, + LOOP_CLIPRECTS, + NO_LOOP_CLIPRECTS, + REFERENCES_CLIPRECTS +}; + + + + +struct brw_batchbuffer { + + struct brw_winsys_screen *sws; + struct brw_winsys_buffer *buf; + struct brw_chipset chipset; + + /** + * Values exported to speed up the writing the batchbuffer, + * instead of having to go trough a accesor function for + * each dword written. + */ + /*{@*/ + uint8_t *map; + uint8_t *ptr; + size_t size; + struct { + uint8_t *end_ptr; + } emit; + + + size_t relocs; + size_t max_relocs; + /*@}*/ +}; + +struct brw_batchbuffer *brw_batchbuffer_alloc( struct brw_winsys_screen *sws, + struct brw_chipset chipset ); + +void brw_batchbuffer_free(struct brw_batchbuffer *batch); + +void _brw_batchbuffer_flush(struct brw_batchbuffer *batch, + const char *file, int line); + + +enum pipe_error +brw_batchbuffer_reset(struct brw_batchbuffer *batch); + + +/* Unlike bmBufferData, this currently requires the buffer be mapped. + * Consider it a convenience function wrapping multple + * intel_buffer_dword() calls. + */ +int brw_batchbuffer_data(struct brw_batchbuffer *batch, + const void *data, GLuint bytes, + enum cliprect_mode cliprect_mode); + + +int brw_batchbuffer_emit_reloc(struct brw_batchbuffer *batch, + struct brw_winsys_buffer *buffer, + enum brw_buffer_usage usage, + uint32_t offset); + +/* Inline functions - might actually be better off with these + * non-inlined. Certainly better off switching all command packets to + * be passed as structs rather than dwords, but that's a little bit of + * work... + */ +static INLINE GLint +brw_batchbuffer_space(struct brw_batchbuffer *batch) +{ + return (batch->size - BATCH_RESERVED) - (batch->ptr - batch->map); +} + + +static INLINE void +brw_batchbuffer_emit_dword(struct brw_batchbuffer *batch, GLuint dword) +{ + assert(batch->map); + assert(brw_batchbuffer_space(batch) >= 4); + *(GLuint *) (batch->ptr) = dword; + batch->ptr += 4; +} + +static INLINE enum pipe_error +brw_batchbuffer_require_space(struct brw_batchbuffer *batch, + GLuint sz) +{ + assert(sz < batch->size - 8); + if (brw_batchbuffer_space(batch) < sz) { + assert(0); + return PIPE_ERROR_OUT_OF_MEMORY; + } +#ifdef DEBUG + batch->emit.end_ptr = batch->ptr + sz; +#endif + return 0; +} + +/* Here are the crusty old macros, to be removed: + */ +#define BEGIN_BATCH(n, cliprect_mode) do { \ + brw_batchbuffer_require_space(brw->batch, (n)*4); \ + } while (0) + +#define OUT_BATCH(d) brw_batchbuffer_emit_dword(brw->batch, d) + +#define OUT_RELOC(buf, usage, delta) do { \ + assert((unsigned) (delta) < buf->size); \ + brw_batchbuffer_emit_reloc(brw->batch, buf, \ + usage, delta); \ + } while (0) + +#ifdef DEBUG +#define ADVANCE_BATCH() do { \ + unsigned int _n = brw->batch->ptr - brw->batch->emit.end_ptr; \ + if (_n != 0) { \ + debug_printf("%s: %d too many bytes emitted to batch\n", \ + __FUNCTION__, _n); \ + abort(); \ + } \ + brw->batch->emit.end_ptr = NULL; \ + } while(0) +#else +#define ADVANCE_BATCH() +#endif + +static INLINE void +brw_batchbuffer_emit_mi_flush(struct brw_batchbuffer *batch) +{ + brw_batchbuffer_require_space(batch, 4); + brw_batchbuffer_emit_dword(batch, MI_FLUSH); +} + +#endif |