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-rw-r--r--src/mesa/drivers/dri/i915/intel_render.c25
-rw-r--r--src/mesa/drivers/dri/i915/intel_tris.c98
-rw-r--r--src/mesa/drivers/dri/intel/intel_context.h1
-rw-r--r--src/mesa/drivers/dri/intel/intel_reg.h4
-rw-r--r--src/mesa/drivers/dri/intel/intel_screen.c1
-rw-r--r--src/mesa/drivers/dri/intel/intel_screen.h1
6 files changed, 124 insertions, 6 deletions
diff --git a/src/mesa/drivers/dri/i915/intel_render.c b/src/mesa/drivers/dri/i915/intel_render.c
index 467abe4d7cb..410052b3c2b 100644
--- a/src/mesa/drivers/dri/i915/intel_render.c
+++ b/src/mesa/drivers/dri/i915/intel_render.c
@@ -117,6 +117,26 @@ intelDmaPrimitive(struct intel_context *intel, GLenum prim)
intel_set_prim(intel, hw_prim[prim]);
}
+static inline GLuint intel_get_vb_max(struct intel_context *intel)
+{
+ GLuint ret;
+
+ if (intel->intelScreen->no_vbo)
+ ret = intel->batch->size - 1500;
+ else
+ ret = INTEL_VB_SIZE;
+ ret /= (intel->vertex_size * 4);
+ return ret;
+}
+
+static inline GLuint intel_get_current_max(struct intel_context *intel)
+{
+
+ if (intel->intelScreen->no_vbo)
+ return intel_get_vb_max(intel);
+ else
+ return (INTEL_VB_SIZE - intel->prim.current_offset) / (intel->vertex_size * 4);
+}
#define LOCAL_VARS struct intel_context *intel = intel_context(ctx)
#define INIT( prim ) \
@@ -126,9 +146,8 @@ do { \
#define FLUSH() INTEL_FIREVERTICES(intel)
-#define GET_SUBSEQUENT_VB_MAX_VERTS() (INTEL_VB_SIZE / (intel->vertex_size * 4))
-#define GET_CURRENT_VB_MAX_VERTS() \
- ((INTEL_VB_SIZE - intel->prim.current_offset) / (intel->vertex_size * 4))
+#define GET_SUBSEQUENT_VB_MAX_VERTS() intel_get_vb_max(intel)
+#define GET_CURRENT_VB_MAX_VERTS() intel_get_current_max(intel)
#define ALLOC_VERTS(nr) intel_get_prim_space(intel, nr)
diff --git a/src/mesa/drivers/dri/i915/intel_tris.c b/src/mesa/drivers/dri/i915/intel_tris.c
index 797d6c58587..c4708dc7abc 100644
--- a/src/mesa/drivers/dri/i915/intel_tris.c
+++ b/src/mesa/drivers/dri/i915/intel_tris.c
@@ -61,9 +61,101 @@ static void intelRenderPrimitive(GLcontext * ctx, GLenum prim);
static void intelRasterPrimitive(GLcontext * ctx, GLenum rprim,
GLuint hwprim);
+static void
+intel_flush_inline_primitive(struct intel_context *intel)
+{
+ GLuint used = intel->batch->ptr - intel->prim.start_ptr;
+
+ assert(intel->prim.primitive != ~0);
+
+/* _mesa_printf("/\n"); */
+
+ if (used < 8)
+ goto do_discard;
+
+ *(int *) intel->prim.start_ptr = (_3DPRIMITIVE |
+ intel->prim.primitive | (used / 4 - 2));
+
+ goto finished;
+
+ do_discard:
+ intel->batch->ptr -= used;
+
+ finished:
+ intel->prim.primitive = ~0;
+ intel->prim.start_ptr = 0;
+ intel->prim.flush = 0;
+}
+
+static void intel_start_inline(struct intel_context *intel, uint32_t prim)
+{
+ BATCH_LOCALS;
+ uint32_t batch_flags = LOOP_CLIPRECTS;
+
+ intel_wait_flips(intel);
+ intel->vtbl.emit_state(intel);
+
+ intel->no_batch_wrap = GL_TRUE;
+
+ /*_mesa_printf("%s *", __progname);*/
+
+ /* Emit a slot which will be filled with the inline primitive
+ * command later.
+ */
+ BEGIN_BATCH(2, batch_flags);
+ OUT_BATCH(0);
+
+ assert((intel->batch->dirty_state & (1<<1)) == 0);
+
+ intel->prim.start_ptr = intel->batch->ptr;
+ intel->prim.primitive = prim;
+ intel->prim.flush = intel_flush_inline_primitive;
+
+ OUT_BATCH(0);
+ ADVANCE_BATCH();
+
+ intel->no_batch_wrap = GL_FALSE;
+/* _mesa_printf(">"); */
+}
+
+static void intel_wrap_inline(struct intel_context *intel)
+{
+ GLuint prim = intel->prim.primitive;
+
+ intel_flush_inline_primitive(intel);
+ intel_batchbuffer_flush(intel->batch);
+ intel_start_inline(intel, prim); /* ??? */
+}
+
+static GLuint *intel_extend_inline(struct intel_context *intel, GLuint dwords)
+{
+ GLuint sz = dwords * sizeof(GLuint);
+ GLuint *ptr;
+
+ assert(intel->prim.flush == intel_flush_inline_primitive);
+
+ if (intel_batchbuffer_space(intel->batch) < sz)
+ intel_wrap_inline(intel);
+
+/* _mesa_printf("."); */
+
+ intel->vtbl.assert_not_dirty(intel);
+
+ ptr = (GLuint *) intel->batch->ptr;
+ intel->batch->ptr += sz;
+
+ return ptr;
+}
+
/** Sets the primitive type for a primitive sequence, flushing as needed. */
void intel_set_prim(struct intel_context *intel, uint32_t prim)
{
+ /* if we have no VBOs */
+
+ if (intel->intelScreen->no_vbo) {
+ intel_start_inline(intel, prim);
+ return;
+ }
if (prim != intel->prim.primitive) {
INTEL_FIREVERTICES(intel);
intel->prim.primitive = prim;
@@ -75,6 +167,10 @@ uint32_t *intel_get_prim_space(struct intel_context *intel, unsigned int count)
{
uint32_t *addr;
+ if (intel->intelScreen->no_vbo) {
+ return intel_extend_inline(intel, count * intel->vertex_size);
+ }
+
/* Check for space in the existing VB */
if (intel->prim.vb_bo == NULL ||
(intel->prim.current_offset +
@@ -155,7 +251,7 @@ void intel_flush_prim(struct intel_context *intel)
#if 0
printf("emitting %d..%d=%d vertices size %d\n", offset,
- intel->prim.current_offset, intel->prim.count,
+ intel->prim.current_offset, count,
intel->vertex_size * 4);
#endif
diff --git a/src/mesa/drivers/dri/intel/intel_context.h b/src/mesa/drivers/dri/intel/intel_context.h
index 60028f090ae..ee43ed7e833 100644
--- a/src/mesa/drivers/dri/intel/intel_context.h
+++ b/src/mesa/drivers/dri/intel/intel_context.h
@@ -184,6 +184,7 @@ struct intel_context
GLuint id;
uint32_t primitive; /**< Current hardware primitive type */
void (*flush) (struct intel_context *);
+ GLubyte *start_ptr; /**< for i8xx */
dri_bo *vb_bo;
uint8_t *vb;
unsigned int start_offset; /**< Byte offset of primitive sequence */
diff --git a/src/mesa/drivers/dri/intel/intel_reg.h b/src/mesa/drivers/dri/intel/intel_reg.h
index 68d8a05b836..57ac8f0cc14 100644
--- a/src/mesa/drivers/dri/intel/intel_reg.h
+++ b/src/mesa/drivers/dri/intel/intel_reg.h
@@ -71,14 +71,14 @@
/** @{
* 915 definitions
*/
-#define S0_VB_OFFSET_MASK 0xffffffc
+#define S0_VB_OFFSET_MASK 0xffffffc0
#define S0_AUTO_CACHE_INV_DISABLE (1<<0)
/** @} */
/** @{
* 830 definitions
*/
-#define S0_VB_OFFSET_MASK_830 0xffffff8
+#define S0_VB_OFFSET_MASK_830 0xffffff80
#define S0_VB_PITCH_SHIFT_830 1
#define S0_VB_ENABLE_830 (1<<0)
/** @} */
diff --git a/src/mesa/drivers/dri/intel/intel_screen.c b/src/mesa/drivers/dri/intel/intel_screen.c
index cf09fad7451..61b55b97b51 100644
--- a/src/mesa/drivers/dri/intel/intel_screen.c
+++ b/src/mesa/drivers/dri/intel/intel_screen.c
@@ -461,6 +461,7 @@ intelCreateContext(const __GLcontextModes * mesaVis,
sharedContextPrivate);
}
} else {
+ intelScreen->no_vbo = GL_TRUE;
return i830CreateContext(mesaVis, driContextPriv, sharedContextPrivate);
}
#else
diff --git a/src/mesa/drivers/dri/intel/intel_screen.h b/src/mesa/drivers/dri/intel/intel_screen.h
index fc913da5bfe..91f0d6d1ae8 100644
--- a/src/mesa/drivers/dri/intel/intel_screen.h
+++ b/src/mesa/drivers/dri/intel/intel_screen.h
@@ -77,6 +77,7 @@ typedef struct
GLboolean no_hw;
+ GLboolean no_vbo;
int ttm;
dri_bufmgr *bufmgr;
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-12 12:42:49 +0000