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path: root/src/gallium/drivers/i915simple/i915_state_emit.c
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Diffstat (limited to 'src/gallium/drivers/i915simple/i915_state_emit.c')
-rw-r--r--src/gallium/drivers/i915simple/i915_state_emit.c374
1 files changed, 374 insertions, 0 deletions
diff --git a/src/gallium/drivers/i915simple/i915_state_emit.c b/src/gallium/drivers/i915simple/i915_state_emit.c
new file mode 100644
index 0000000000..3339287f49
--- /dev/null
+++ b/src/gallium/drivers/i915simple/i915_state_emit.c
@@ -0,0 +1,374 @@
+/**************************************************************************
+ *
+ * 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.
+ *
+ **************************************************************************/
+
+
+#include "i915_reg.h"
+#include "i915_context.h"
+#include "i915_winsys.h"
+#include "i915_batch.h"
+#include "i915_reg.h"
+
+#include "pipe/p_context.h"
+#include "pipe/p_defines.h"
+
+static unsigned translate_format( enum pipe_format format )
+{
+ switch (format) {
+ case PIPE_FORMAT_A8R8G8B8_UNORM:
+ return COLOR_BUF_ARGB8888;
+ case PIPE_FORMAT_R5G6B5_UNORM:
+ return COLOR_BUF_RGB565;
+ default:
+ assert(0);
+ return 0;
+ }
+}
+
+static unsigned translate_depth_format( enum pipe_format zformat )
+{
+ switch (zformat) {
+ case PIPE_FORMAT_S8Z24_UNORM:
+ return DEPTH_FRMT_24_FIXED_8_OTHER;
+ case PIPE_FORMAT_Z16_UNORM:
+ return DEPTH_FRMT_16_FIXED;
+ default:
+ assert(0);
+ return 0;
+ }
+}
+
+
+/**
+ * Examine framebuffer state to determine width, height.
+ */
+static boolean
+framebuffer_size(const struct pipe_framebuffer_state *fb,
+ uint *width, uint *height)
+{
+ if (fb->cbufs[0]) {
+ *width = fb->cbufs[0]->width;
+ *height = fb->cbufs[0]->height;
+ return TRUE;
+ }
+ else if (fb->zsbuf) {
+ *width = fb->zsbuf->width;
+ *height = fb->zsbuf->height;
+ return TRUE;
+ }
+ else {
+ *width = *height = 0;
+ return FALSE;
+ }
+}
+
+
+/* Push the state into the sarea and/or texture memory.
+ */
+void
+i915_emit_hardware_state(struct i915_context *i915 )
+{
+ /* XXX: there must be an easier way */
+ const unsigned dwords = ( 14 +
+ 7 +
+ I915_MAX_DYNAMIC +
+ 8 +
+ 2 + I915_TEX_UNITS*3 +
+ 2 + I915_TEX_UNITS*3 +
+ 2 + I915_MAX_CONSTANT*4 +
+ i915->current.program_len +
+ 6
+ ) * 3/2; /* plus 50% margin */
+ const unsigned relocs = ( I915_TEX_UNITS +
+ 3
+ ) * 3/2; /* plus 50% margin */
+
+#if 0
+ debug_printf("i915_emit_hardware_state: %d dwords, %d relocs\n", dwords, relocs);
+#endif
+
+ if(!BEGIN_BATCH(dwords, relocs)) {
+ FLUSH_BATCH();
+ assert(BEGIN_BATCH(dwords, relocs));
+ }
+
+ /* 14 dwords, 0 relocs */
+ if (i915->hardware_dirty & I915_HW_INVARIENT)
+ {
+ OUT_BATCH(_3DSTATE_AA_CMD |
+ AA_LINE_ECAAR_WIDTH_ENABLE |
+ AA_LINE_ECAAR_WIDTH_1_0 |
+ AA_LINE_REGION_WIDTH_ENABLE | AA_LINE_REGION_WIDTH_1_0);
+
+ OUT_BATCH(_3DSTATE_DFLT_DIFFUSE_CMD);
+ OUT_BATCH(0);
+
+ OUT_BATCH(_3DSTATE_DFLT_SPEC_CMD);
+ OUT_BATCH(0);
+
+ OUT_BATCH(_3DSTATE_DFLT_Z_CMD);
+ OUT_BATCH(0);
+
+ OUT_BATCH(_3DSTATE_COORD_SET_BINDINGS |
+ CSB_TCB(0, 0) |
+ CSB_TCB(1, 1) |
+ CSB_TCB(2, 2) |
+ CSB_TCB(3, 3) |
+ CSB_TCB(4, 4) |
+ CSB_TCB(5, 5) |
+ CSB_TCB(6, 6) |
+ CSB_TCB(7, 7));
+
+ OUT_BATCH(_3DSTATE_RASTER_RULES_CMD |
+ ENABLE_POINT_RASTER_RULE |
+ OGL_POINT_RASTER_RULE |
+ ENABLE_LINE_STRIP_PROVOKE_VRTX |
+ ENABLE_TRI_FAN_PROVOKE_VRTX |
+ LINE_STRIP_PROVOKE_VRTX(1) |
+ TRI_FAN_PROVOKE_VRTX(2) |
+ ENABLE_TEXKILL_3D_4D |
+ TEXKILL_4D);
+
+ /* Need to initialize this to zero.
+ */
+ OUT_BATCH(_3DSTATE_LOAD_STATE_IMMEDIATE_1 | I1_LOAD_S(3) | (0));
+ OUT_BATCH(0);
+
+ OUT_BATCH(_3DSTATE_DEPTH_SUBRECT_DISABLE);
+
+ /* disable indirect state for now
+ */
+ OUT_BATCH(_3DSTATE_LOAD_INDIRECT | 0);
+ OUT_BATCH(0);
+ }
+
+ /* 7 dwords, 1 relocs */
+ if (i915->hardware_dirty & I915_HW_IMMEDIATE)
+ {
+ OUT_BATCH(_3DSTATE_LOAD_STATE_IMMEDIATE_1 |
+ I1_LOAD_S(0) |
+ I1_LOAD_S(1) |
+ I1_LOAD_S(2) |
+ I1_LOAD_S(4) |
+ I1_LOAD_S(5) |
+ I1_LOAD_S(6) |
+ (5));
+
+ if(i915->vbo)
+ OUT_RELOC(i915->vbo,
+ I915_BUFFER_ACCESS_READ,
+ i915->current.immediate[I915_IMMEDIATE_S0]);
+ else
+ /* FIXME: we should not do this */
+ OUT_BATCH(0);
+ OUT_BATCH(i915->current.immediate[I915_IMMEDIATE_S1]);
+ OUT_BATCH(i915->current.immediate[I915_IMMEDIATE_S2]);
+ OUT_BATCH(i915->current.immediate[I915_IMMEDIATE_S4]);
+ OUT_BATCH(i915->current.immediate[I915_IMMEDIATE_S5]);
+ OUT_BATCH(i915->current.immediate[I915_IMMEDIATE_S6]);
+ }
+
+ /* I915_MAX_DYNAMIC dwords, 0 relocs */
+ if (i915->hardware_dirty & I915_HW_DYNAMIC)
+ {
+ int i;
+ for (i = 0; i < I915_MAX_DYNAMIC; i++) {
+ OUT_BATCH(i915->current.dynamic[i]);
+ }
+ }
+
+ /* 8 dwords, 2 relocs */
+ if (i915->hardware_dirty & I915_HW_STATIC)
+ {
+ struct pipe_surface *cbuf_surface = i915->framebuffer.cbufs[0];
+ struct pipe_surface *depth_surface = i915->framebuffer.zsbuf;
+
+ if (cbuf_surface) {
+ unsigned pitch = (cbuf_surface->pitch * cbuf_surface->cpp);
+
+ OUT_BATCH(_3DSTATE_BUF_INFO_CMD);
+
+ OUT_BATCH(BUF_3D_ID_COLOR_BACK |
+ BUF_3D_PITCH(pitch) | /* pitch in bytes */
+ BUF_3D_USE_FENCE);
+
+ OUT_RELOC(cbuf_surface->buffer,
+ I915_BUFFER_ACCESS_WRITE,
+ 0);
+ }
+
+ /* What happens if no zbuf??
+ */
+ if (depth_surface) {
+ unsigned zpitch = (depth_surface->pitch * depth_surface->cpp);
+
+ OUT_BATCH(_3DSTATE_BUF_INFO_CMD);
+
+ OUT_BATCH(BUF_3D_ID_DEPTH |
+ BUF_3D_PITCH(zpitch) | /* pitch in bytes */
+ BUF_3D_USE_FENCE);
+
+ OUT_RELOC(depth_surface->buffer,
+ I915_BUFFER_ACCESS_WRITE,
+ 0);
+ }
+
+ {
+ unsigned cformat, zformat = 0;
+
+ if (cbuf_surface)
+ cformat = cbuf_surface->format;
+ else
+ cformat = PIPE_FORMAT_A8R8G8B8_UNORM; /* arbitrary */
+ cformat = translate_format(cformat);
+
+ if (depth_surface)
+ zformat = translate_depth_format( i915->framebuffer.zsbuf->format );
+
+ OUT_BATCH(_3DSTATE_DST_BUF_VARS_CMD);
+ OUT_BATCH(DSTORG_HORT_BIAS(0x8) | /* .5 */
+ DSTORG_VERT_BIAS(0x8) | /* .5 */
+ LOD_PRECLAMP_OGL |
+ TEX_DEFAULT_COLOR_OGL |
+ cformat |
+ zformat );
+ }
+ }
+
+#if 01
+ /* texture images */
+ /* 2 + I915_TEX_UNITS*3 dwords, I915_TEX_UNITS relocs */
+ if (i915->hardware_dirty & (I915_HW_MAP | I915_HW_SAMPLER))
+ {
+ /* XXX: we were refering to sampler state
+ * (current.sampler_enable_nr) below, but only checking
+ * I915_HW_MAP above. Should probably calculate the enabled
+ * flags separately - but there will be further rework of
+ * state so perhaps not necessary yet.
+ */
+ const uint nr = i915->current.sampler_enable_nr;
+ if (nr) {
+ const uint enabled = i915->current.sampler_enable_flags;
+ uint unit;
+ uint count = 0;
+ OUT_BATCH(_3DSTATE_MAP_STATE | (3 * nr));
+ OUT_BATCH(enabled);
+ for (unit = 0; unit < I915_TEX_UNITS; unit++) {
+ if (enabled & (1 << unit)) {
+ struct pipe_buffer *buf =
+ i915->texture[unit]->buffer;
+ uint offset = 0;
+ assert(buf);
+
+ count++;
+
+ OUT_RELOC(buf,
+ I915_BUFFER_ACCESS_READ,
+ offset);
+ OUT_BATCH(i915->current.texbuffer[unit][0]); /* MS3 */
+ OUT_BATCH(i915->current.texbuffer[unit][1]); /* MS4 */
+ }
+ }
+ assert(count == nr);
+ }
+ }
+#endif
+
+#if 01
+ /* samplers */
+ /* 2 + I915_TEX_UNITS*3 dwords, 0 relocs */
+ if (i915->hardware_dirty & I915_HW_SAMPLER)
+ {
+ if (i915->current.sampler_enable_nr) {
+ int i;
+
+ OUT_BATCH( _3DSTATE_SAMPLER_STATE |
+ (3 * i915->current.sampler_enable_nr) );
+
+ OUT_BATCH( i915->current.sampler_enable_flags );
+
+ for (i = 0; i < I915_TEX_UNITS; i++) {
+ if (i915->current.sampler_enable_flags & (1<<i)) {
+ OUT_BATCH( i915->current.sampler[i][0] );
+ OUT_BATCH( i915->current.sampler[i][1] );
+ OUT_BATCH( i915->current.sampler[i][2] );
+ }
+ }
+ }
+ }
+#endif
+
+ /* constants */
+ /* 2 + I915_MAX_CONSTANT*4 dwords, 0 relocs */
+ if (i915->hardware_dirty & I915_HW_PROGRAM)
+ {
+ const uint nr = i915->current.num_constants[PIPE_SHADER_FRAGMENT];
+ assert(nr <= I915_MAX_CONSTANT);
+ if (nr > 0) {
+ const uint *c
+ = (const uint *) i915->current.constants[PIPE_SHADER_FRAGMENT];
+ uint i;
+ OUT_BATCH( _3DSTATE_PIXEL_SHADER_CONSTANTS | (nr * 4) );
+ OUT_BATCH( (1 << (nr - 1)) | ((1 << (nr - 1)) - 1) );
+ for (i = 0; i < nr; i++) {
+ OUT_BATCH(*c++);
+ OUT_BATCH(*c++);
+ OUT_BATCH(*c++);
+ OUT_BATCH(*c++);
+ }
+ }
+ }
+
+ /* Fragment program */
+ /* i915->current.program_len dwords, 0 relocs */
+ if (i915->hardware_dirty & I915_HW_PROGRAM)
+ {
+ uint i;
+ /* we should always have, at least, a pass-through program */
+ assert(i915->current.program_len > 0);
+ for (i = 0; i < i915->current.program_len; i++) {
+ OUT_BATCH(i915->current.program[i]);
+ }
+ }
+
+ /* drawing surface size */
+ /* 6 dwords, 0 relocs */
+ {
+ uint w, h;
+ boolean k = framebuffer_size(&i915->framebuffer, &w, &h);
+ assert(k);
+
+ OUT_BATCH(_3DSTATE_DRAW_RECT_CMD);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(((w - 1) & 0xffff) | ((h - 1) << 16));
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ }
+
+
+ i915->hardware_dirty = 0;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-13 20:37:58 +0000