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Diffstat (limited to 'src/gallium/drivers/i915/i915_state_immediate.c')
-rw-r--r--src/gallium/drivers/i915/i915_state_immediate.c225
1 files changed, 225 insertions, 0 deletions
diff --git a/src/gallium/drivers/i915/i915_state_immediate.c b/src/gallium/drivers/i915/i915_state_immediate.c
new file mode 100644
index 0000000000..8c16bb4e27
--- /dev/null
+++ b/src/gallium/drivers/i915/i915_state_immediate.c
@@ -0,0 +1,225 @@
+/**************************************************************************
+ *
+ * Copyright 2007 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.
+ *
+ **************************************************************************/
+ /*
+ * Authors:
+ * Keith Whitwell <keith@tungstengraphics.com>
+ */
+
+#include "i915_state_inlines.h"
+#include "i915_context.h"
+#include "i915_state.h"
+#include "i915_reg.h"
+#include "util/u_memory.h"
+
+
+/* All state expressable with the LOAD_STATE_IMMEDIATE_1 packet.
+ * Would like to opportunistically recombine all these fragments into
+ * a single packet containing only what has changed, but for now emit
+ * as multiple packets.
+ */
+
+
+
+
+/***********************************************************************
+ * S0,S1: Vertex buffer state.
+ */
+static void upload_S0S1(struct i915_context *i915)
+{
+ unsigned LIS0, LIS1;
+
+ /* INTEL_NEW_VBO */
+ /* TODO: re-use vertex buffers here? */
+ LIS0 = i915->vbo_offset;
+
+ /* INTEL_NEW_VERTEX_SIZE -- do this where the vertex size is calculated!
+ */
+ {
+ unsigned vertex_size = i915->current.vertex_info.size;
+
+ LIS1 = ((vertex_size << 24) |
+ (vertex_size << 16));
+ }
+
+ /* INTEL_NEW_VBO */
+ /* TODO: use a vertex generation number to track vbo changes */
+ if (1 ||
+ i915->current.immediate[I915_IMMEDIATE_S0] != LIS0 ||
+ i915->current.immediate[I915_IMMEDIATE_S1] != LIS1)
+ {
+ i915->current.immediate[I915_IMMEDIATE_S0] = LIS0;
+ i915->current.immediate[I915_IMMEDIATE_S1] = LIS1;
+ i915->hardware_dirty |= I915_HW_IMMEDIATE;
+ }
+}
+
+const struct i915_tracked_state i915_upload_S0S1 = {
+ I915_NEW_VBO | I915_NEW_VERTEX_FORMAT,
+ upload_S0S1
+};
+
+
+
+
+/***********************************************************************
+ * S4: Vertex format, rasterization state
+ */
+static void upload_S2S4(struct i915_context *i915)
+{
+ unsigned LIS2, LIS4;
+
+ /* I915_NEW_VERTEX_FORMAT */
+ {
+ LIS2 = i915->current.vertex_info.hwfmt[1];
+ LIS4 = i915->current.vertex_info.hwfmt[0];
+ /*
+ debug_printf("LIS2: 0x%x LIS4: 0x%x\n", LIS2, LIS4);
+ */
+ assert(LIS4); /* should never be zero? */
+ }
+
+ LIS4 |= i915->rasterizer->LIS4;
+
+ if (LIS2 != i915->current.immediate[I915_IMMEDIATE_S2] ||
+ LIS4 != i915->current.immediate[I915_IMMEDIATE_S4]) {
+
+ i915->current.immediate[I915_IMMEDIATE_S2] = LIS2;
+ i915->current.immediate[I915_IMMEDIATE_S4] = LIS4;
+ i915->hardware_dirty |= I915_HW_IMMEDIATE;
+ }
+}
+
+
+const struct i915_tracked_state i915_upload_S2S4 = {
+ I915_NEW_RASTERIZER | I915_NEW_VERTEX_FORMAT,
+ upload_S2S4
+};
+
+
+
+/***********************************************************************
+ *
+ */
+static void upload_S5( struct i915_context *i915 )
+{
+ unsigned LIS5 = 0;
+
+ LIS5 |= i915->depth_stencil->stencil_LIS5;
+
+ LIS5 |= i915->blend->LIS5;
+
+#if 0
+ /* I915_NEW_RASTERIZER */
+ if (i915->state.Polygon->OffsetFill) {
+ LIS5 |= S5_GLOBAL_DEPTH_OFFSET_ENABLE;
+ }
+#endif
+
+
+ if (LIS5 != i915->current.immediate[I915_IMMEDIATE_S5]) {
+ i915->current.immediate[I915_IMMEDIATE_S5] = LIS5;
+ i915->hardware_dirty |= I915_HW_IMMEDIATE;
+ }
+}
+
+const struct i915_tracked_state i915_upload_S5 = {
+ (I915_NEW_DEPTH_STENCIL | I915_NEW_BLEND | I915_NEW_RASTERIZER),
+ upload_S5
+};
+
+
+/***********************************************************************
+ */
+static void upload_S6( struct i915_context *i915 )
+{
+ unsigned LIS6 = (2 << S6_TRISTRIP_PV_SHIFT);
+
+ /* I915_NEW_FRAMEBUFFER
+ */
+ if (i915->framebuffer.cbufs[0])
+ LIS6 |= S6_COLOR_WRITE_ENABLE;
+
+ /* I915_NEW_BLEND
+ */
+ LIS6 |= i915->blend->LIS6;
+
+ /* I915_NEW_DEPTH
+ */
+ LIS6 |= i915->depth_stencil->depth_LIS6;
+
+ if (LIS6 != i915->current.immediate[I915_IMMEDIATE_S6]) {
+ i915->current.immediate[I915_IMMEDIATE_S6] = LIS6;
+ i915->hardware_dirty |= I915_HW_IMMEDIATE;
+ }
+}
+
+const struct i915_tracked_state i915_upload_S6 = {
+ I915_NEW_BLEND | I915_NEW_DEPTH_STENCIL | I915_NEW_FRAMEBUFFER,
+ upload_S6
+};
+
+
+/***********************************************************************
+ */
+static void upload_S7( struct i915_context *i915 )
+{
+ unsigned LIS7;
+
+ /* I915_NEW_RASTERIZER
+ */
+ LIS7 = i915->rasterizer->LIS7;
+
+ if (LIS7 != i915->current.immediate[I915_IMMEDIATE_S7]) {
+ i915->current.immediate[I915_IMMEDIATE_S7] = LIS7;
+ i915->hardware_dirty |= I915_HW_IMMEDIATE;
+ }
+}
+
+const struct i915_tracked_state i915_upload_S7 = {
+ I915_NEW_RASTERIZER,
+ upload_S7
+};
+
+
+static const struct i915_tracked_state *atoms[] = {
+ &i915_upload_S0S1,
+ &i915_upload_S2S4,
+ &i915_upload_S5,
+ &i915_upload_S6,
+ &i915_upload_S7
+};
+
+/*
+ */
+void i915_update_immediate( struct i915_context *i915 )
+{
+ int i;
+
+ for (i = 0; i < Elements(atoms); i++)
+ if (i915->dirty & atoms[i]->dirty)
+ atoms[i]->update( i915 );
+}