i965: Move the back-end compiler to src/intel/compiler
[mesa.git] / src / mesa / drivers / dri / i915 / intel_batchbuffer.h
index b0aed89af556124faaf334bcd14db9ed7fd23f11..9ebc61f1c2937c28c2646923a0817b10ff77f584 100644 (file)
-/**************************************************************************
- * 
- * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
- * All Rights Reserved.
- * 
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sub license, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- * 
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial portions
- * of the Software.
- * 
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
- * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
- * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- * 
- **************************************************************************/
-
 #ifndef INTEL_BATCHBUFFER_H
 #define INTEL_BATCHBUFFER_H
 
-#include "intel_context.h"
-#include "intel_ioctl.h"
+#include "main/mtypes.h"
 
+#include "intel_context.h"
+#include "intel_bufmgr.h"
+#include "intel_reg.h"
+
+/**
+ * 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
+
+struct intel_batchbuffer;
+
+void intel_batchbuffer_init(struct intel_context *intel);
+void intel_batchbuffer_free(struct intel_context *intel);
+
+int _intel_batchbuffer_flush(struct intel_context *intel,
+                            const char *file, int line);
+
+#define intel_batchbuffer_flush(intel) \
+       _intel_batchbuffer_flush(intel, __FILE__, __LINE__)
+
+
+
+/* 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_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;
 
-#define BATCH_LOCALS   GLubyte *batch_ptr;
+   fi.f = f;
+   return fi.d;
+}
 
-/* #define VERBOSE 0 */
-#ifndef VERBOSE
-extern int VERBOSE;
-#endif
+/* 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 unsigned
+intel_batchbuffer_space(struct intel_context *intel)
+{
+   return (intel->batch.bo->size - intel->batch.reserved_space)
+      - intel->batch.used*4;
+}
 
 
-#define BEGIN_BATCH(n)                                                 \
-do {                                                                   \
-   if (VERBOSE) fprintf(stderr,                                        \
-                       "BEGIN_BATCH(%d) in %s, %d dwords free\n",      \
-                       (n), __FUNCTION__, intel->batch.space/4);       \
-   if (intel->batch.space < (n)*4)                                     \
-      intelFlushBatch(intel, GL_TRUE);                                 \
-   if (intel->batch.space == intel->batch.size)        intel->batch.func = __FUNCTION__;                       \
-   batch_ptr = intel->batch.ptr;                                       \
-} while (0)
+static inline void
+intel_batchbuffer_emit_dword(struct intel_context *intel, GLuint dword)
+{
+#ifdef DEBUG
+   assert(intel_batchbuffer_space(intel) >= 4);
+#endif
+   intel->batch.map[intel->batch.used++] = dword;
+}
 
-#define OUT_BATCH(n)                                   \
-do {                                                   \
-   *(GLuint *)batch_ptr = (n);                         \
-   if (VERBOSE) fprintf(stderr, " -- %08x at %s/%d\n", (n), __FILE__, __LINE__);       \
-   batch_ptr += 4;                                     \
-} while (0)
+static inline void
+intel_batchbuffer_emit_float(struct intel_context *intel, float f)
+{
+   intel_batchbuffer_emit_dword(intel, float_as_int(f));
+}
 
-#define ADVANCE_BATCH()                                                \
-do {                                                           \
-   if (VERBOSE) fprintf(stderr, "ADVANCE_BATCH()\n");          \
-   intel->batch.space -= (batch_ptr - intel->batch.ptr);       \
-   intel->batch.ptr = batch_ptr;                               \
-   assert(intel->batch.space >= 0);                            \
-} while(0)
-
-extern void intelInitBatchBuffer( GLcontext *ctx );
-extern void intelDestroyBatchBuffer( GLcontext *ctx );
-
-extern void intelStartInlinePrimitive( intelContextPtr intel, GLuint prim );
-extern void intelWrapInlinePrimitive( intelContextPtr intel );
-extern void intelRestartInlinePrimitive( intelContextPtr intel );
-extern GLuint *intelEmitInlinePrimitiveLocked(intelContextPtr intel, 
-                                             int primitive, int dwords,
-                                             int vertex_size);
-extern void intelCopyBuffer( const __DRIdrawablePrivate *dpriv,
-                            const drm_clip_rect_t      *rect);
-extern void intelClearWithBlit(GLcontext *ctx, GLbitfield mask, GLboolean all,
-                            GLint cx1, GLint cy1, GLint cw, GLint ch);
-
-extern void intelEmitCopyBlitLocked( intelContextPtr intel,
-                                    GLuint cpp,
-                                    GLshort src_pitch,
-                                    GLuint  src_offset,
-                                    GLshort dst_pitch,
-                                    GLuint  dst_offset,
-                                    GLshort srcx, GLshort srcy,
-                                    GLshort dstx, GLshort dsty,
-                                    GLshort w, GLshort h );
-
-extern void intelEmitFillBlitLocked( intelContextPtr intel,
-                                    GLuint cpp,
-                                    GLshort dst_pitch,
-                                    GLuint dst_offset,
-                                    GLshort x, GLshort y, 
-                                    GLshort w, GLshort h,
-                                    GLuint color );
-
-
-
-
-static __inline GLuint *intelExtendInlinePrimitive( intelContextPtr intel, 
-                                               GLuint dwords )
+static inline void
+intel_batchbuffer_require_space(struct intel_context *intel,
+                                GLuint sz)
 {
-   GLuint sz = dwords * sizeof(GLuint);
-   GLuint *ptr;
+#ifdef DEBUG
+   assert(sz < intel->maxBatchSize - BATCH_RESERVED);
+#endif
+   if (intel_batchbuffer_space(intel) < sz)
+      intel_batchbuffer_flush(intel);
+}
 
-   if (intel->batch.space < sz) {
-      intelWrapInlinePrimitive( intel );
-/*       assert(intel->batch.space >= sz); */
-   }
+static inline void
+intel_batchbuffer_begin(struct intel_context *intel, int n)
+{
+   intel_batchbuffer_require_space(intel, n * 4);
 
-/*    assert(intel->prim.primitive != ~0); */
-   ptr = (GLuint *)intel->batch.ptr;
-   intel->batch.ptr += sz;
-   intel->batch.space -= sz;
+   intel->batch.emit = intel->batch.used;
+#ifdef DEBUG
+   intel->batch.total = n;
+#endif
+}
 
-   return ptr;
+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;
+#else
+   (void) intel;
+#endif
 }
 
+/* Here are the crusty old macros, to be removed:
+ */
+#define BATCH_LOCALS
+
+#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_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() intel_batchbuffer_advance(intel);
+#define CACHED_BATCH() intel_batchbuffer_cached_advance(intel);
 
 #endif