i915: Remove gen6+ batchbuffer support.
[mesa.git] / src / mesa / drivers / dri / i915 / intel_batchbuffer.h
index b5c7a783a726b5fe8e75659ce8ebda8250b219f8..3017d388efaf8ad22bc871ecee88a04ff7b33619 100644 (file)
 #ifndef INTEL_BATCHBUFFER_H
 #define INTEL_BATCHBUFFER_H
 
-#include "mtypes.h"
+#include "main/mtypes.h"
 
-#include "dri_bufmgr.h"
+#include "intel_context.h"
+#include "intel_bufmgr.h"
+#include "intel_reg.h"
 
-struct intel_context;
-
-#define BATCH_SZ 16384
-#define BATCH_RESERVED 16
-
-#define INTEL_BATCH_NO_CLIPRECTS 0x1
-#define INTEL_BATCH_CLIPRECTS    0x2
-
-struct intel_batchbuffer
-{
-   struct intel_context *intel;
-
-   dri_bo *buf;
-   dri_fence *last_fence;
-   GLuint flags;
-
-   GLubyte *map;
-   GLubyte *ptr;
-
-   GLuint size;
-};
+#ifdef __cplusplus
+extern "C" {
+#endif
 
-struct intel_batchbuffer *intel_batchbuffer_alloc(struct intel_context
-                                                  *intel);
+/**
+ * Number of bytes to reserve for commands necessary to complete a batch.
+ *
+ * This includes:
+ * - MI_BATCHBUFFER_END (4 bytes)
+ * - Optional MI_NOOP for ensuring the batch length is qword aligned (4 bytes)
+ * - Any state emitted by vtbl->finish_batch():
+ *   - Gen4-5 record ending occlusion query values (4 * 4 = 16 bytes)
+ */
+#define BATCH_RESERVED 24
 
-void intel_batchbuffer_free(struct intel_batchbuffer *batch);
+struct intel_batchbuffer;
 
+void intel_batchbuffer_init(struct intel_context *intel);
+void intel_batchbuffer_free(struct intel_context *intel);
 
-void intel_batchbuffer_finish(struct intel_batchbuffer *batch);
+int _intel_batchbuffer_flush(struct intel_context *intel,
+                            const char *file, int line);
 
-void intel_batchbuffer_flush(struct intel_batchbuffer *batch);
+#define intel_batchbuffer_flush(intel) \
+       _intel_batchbuffer_flush(intel, __FILE__, __LINE__)
 
-void intel_batchbuffer_reset(struct intel_batchbuffer *batch);
 
 
 /* Unlike bmBufferData, this currently requires the buffer be mapped.
  * Consider it a convenience function wrapping multple
  * intel_buffer_dword() calls.
  */
-void intel_batchbuffer_data(struct intel_batchbuffer *batch,
-                            const void *data, GLuint bytes, GLuint flags);
-
-void intel_batchbuffer_release_space(struct intel_batchbuffer *batch,
-                                     GLuint bytes);
+void intel_batchbuffer_data(struct intel_context *intel,
+                            const void *data, GLuint bytes);
+
+bool intel_batchbuffer_emit_reloc(struct intel_context *intel,
+                                       drm_intel_bo *buffer,
+                                      uint32_t read_domains,
+                                      uint32_t write_domain,
+                                      uint32_t offset);
+bool intel_batchbuffer_emit_reloc_fenced(struct intel_context *intel,
+                                             drm_intel_bo *buffer,
+                                             uint32_t read_domains,
+                                             uint32_t write_domain,
+                                             uint32_t offset);
+void intel_batchbuffer_emit_mi_flush(struct intel_context *intel);
+
+static INLINE uint32_t float_as_int(float f)
+{
+   union {
+      float f;
+      uint32_t d;
+   } fi;
 
-GLboolean intel_batchbuffer_emit_reloc(struct intel_batchbuffer *batch,
-                                       dri_bo *buffer,
-                                       GLuint flags, GLuint offset);
+   fi.f = f;
+   return fi.d;
+}
 
 /* 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 GLuint
-intel_batchbuffer_space(struct intel_batchbuffer *batch)
+static INLINE unsigned
+intel_batchbuffer_space(struct intel_context *intel)
+{
+   return (intel->batch.state_batch_offset - intel->batch.reserved_space)
+      - intel->batch.used*4;
+}
+
+
+static INLINE void
+intel_batchbuffer_emit_dword(struct intel_context *intel, GLuint dword)
 {
-   return (batch->size - BATCH_RESERVED) - (batch->ptr - batch->map);
+#ifdef DEBUG
+   assert(intel_batchbuffer_space(intel) >= 4);
+#endif
+   intel->batch.map[intel->batch.used++] = dword;
 }
 
+static INLINE void
+intel_batchbuffer_emit_float(struct intel_context *intel, float f)
+{
+   intel_batchbuffer_emit_dword(intel, float_as_int(f));
+}
 
 static INLINE void
-intel_batchbuffer_emit_dword(struct intel_batchbuffer *batch, GLuint dword)
+intel_batchbuffer_require_space(struct intel_context *intel,
+                                GLuint sz)
 {
-   assert(batch->map);
-   assert(intel_batchbuffer_space(batch) >= 4);
-   *(GLuint *) (batch->ptr) = dword;
-   batch->ptr += 4;
+#ifdef DEBUG
+   assert(sz < intel->maxBatchSize - BATCH_RESERVED);
+#endif
+   if (intel_batchbuffer_space(intel) < sz)
+      intel_batchbuffer_flush(intel);
 }
 
 static INLINE void
-intel_batchbuffer_require_space(struct intel_batchbuffer *batch,
-                                GLuint sz, GLuint flags)
+intel_batchbuffer_begin(struct intel_context *intel, int n)
 {
-   assert(sz < batch->size - 8);
-   if (intel_batchbuffer_space(batch) < sz ||
-       (batch->flags != 0 && flags != 0 && batch->flags != flags))
-      intel_batchbuffer_flush(batch);
+   intel_batchbuffer_require_space(intel, n * 4);
+
+   intel->batch.emit = intel->batch.used;
+#ifdef DEBUG
+   intel->batch.total = n;
+#endif
+}
 
-   batch->flags |= flags;
+static INLINE void
+intel_batchbuffer_advance(struct intel_context *intel)
+{
+#ifdef DEBUG
+   struct intel_batchbuffer *batch = &intel->batch;
+   unsigned int _n = batch->used - batch->emit;
+   assert(batch->total != 0);
+   if (_n != batch->total) {
+      fprintf(stderr, "ADVANCE_BATCH: %d of %d dwords emitted\n",
+             _n, batch->total);
+      abort();
+   }
+   batch->total = 0;
+#endif
 }
 
 /* Here are the crusty old macros, to be removed:
  */
 #define BATCH_LOCALS
 
-#define BEGIN_BATCH(n, flags) do {                             \
-   assert(!intel->prim.flush);                                 \
-   intel_batchbuffer_require_space(intel->batch, (n)*4, flags);        \
+#define BEGIN_BATCH(n) intel_batchbuffer_begin(intel, n)
+#define OUT_BATCH(d) intel_batchbuffer_emit_dword(intel, d)
+#define OUT_BATCH_F(f) intel_batchbuffer_emit_float(intel,f)
+#define OUT_RELOC(buf, read_domains, write_domain, delta) do {         \
+   intel_batchbuffer_emit_reloc(intel, buf,                    \
+                               read_domains, write_domain, delta);     \
 } while (0)
-
-#define OUT_BATCH(d)  intel_batchbuffer_emit_dword(intel->batch, d)
-
-#define OUT_RELOC(buf, flags, delta) do {                              \
-   assert((delta) >= 0);                                               \
-   intel_batchbuffer_emit_reloc(intel->batch, buf, flags, delta);      \
+#define OUT_RELOC_FENCED(buf, read_domains, write_domain, delta) do {  \
+   intel_batchbuffer_emit_reloc_fenced(intel, buf,             \
+                                      read_domains, write_domain, delta); \
 } while (0)
 
-#define ADVANCE_BATCH() do { } while(0)
+#define ADVANCE_BATCH() intel_batchbuffer_advance(intel);
+#define CACHED_BATCH() intel_batchbuffer_cached_advance(intel);
 
+#ifdef __cplusplus
+}
+#endif
 
 #endif