diff options
Diffstat (limited to 'src/mesa/drivers/dri/i915/intel_tris.c')
-rw-r--r-- | src/mesa/drivers/dri/i915/intel_tris.c | 104 |
1 files changed, 98 insertions, 6 deletions
diff --git a/src/mesa/drivers/dri/i915/intel_tris.c b/src/mesa/drivers/dri/i915/intel_tris.c index 06210035af..e80996580c 100644 --- a/src/mesa/drivers/dri/i915/intel_tris.c +++ b/src/mesa/drivers/dri/i915/intel_tris.c @@ -61,9 +61,100 @@ 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->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 +166,10 @@ 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 + @@ -118,8 +213,7 @@ void intel_flush_prim(struct intel_context *intel) return; /* Clear the current prims out of the context state so that a batch flush - * flush triggered by wait_flips or emit_state doesn't loop back to - * flush_prim again. + * flush triggered by emit_state doesn't loop back to flush_prim again. */ vb_bo = intel->prim.vb_bo; dri_bo_reference(vb_bo); @@ -131,8 +225,6 @@ void intel_flush_prim(struct intel_context *intel) intel->prim.start_offset = ALIGN(intel->prim.start_offset, 128); intel->prim.flush = NULL; - intel_wait_flips(intel); - intel->vtbl.emit_state(intel); aper_array[0] = intel->batch->buf; @@ -155,7 +247,7 @@ 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 @@ -186,7 +278,7 @@ void intel_flush_prim(struct intel_context *intel) OUT_RELOC(vb_bo, I915_GEM_DOMAIN_VERTEX, 0, offset | (intel->vertex_size << S0_VB_PITCH_SHIFT_830) | S0_VB_ENABLE_830); - /* S1 + /* S2 * This is somewhat unfortunate -- VB width is tied up with * vertex format data that we've already uploaded through * _3DSTATE_VFT[01]_CMD. We may want to replace emits of VFT state with |