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authorKeith Whitwell <keith@tungstengraphics.com>2008-09-11 16:05:15 +0100
committerKeith Whitwell <keith@tungstengraphics.com>2008-09-11 16:05:15 +0100
commit0397b2bb41b0f337af2949a15bcd7d0e7e8a7dc1 (patch)
tree732c93d74ed806942a13bf15575a61aa4f001253 /src/gallium/auxiliary/draw/draw_vs_aos_machine.c
parent80af50b35b5a4e8890e15b28940576f8a1ac1476 (diff)
parente6887a5752774c18cf527477fdd3e57e4893ff3b (diff)
Merge branch 'gallium-0.1' into gallium-0.2
A first attempt at moving gallium onto a branch directly off master... It will be interesting to see how much work this takes to get running. Have resolved the conflicts semi-arbitarily, not compiled or tested. Conflicts: .gitignore Makefile configs/config.mgw configs/darwin configs/darwin-x86ppc configs/default configs/freebsd-dri configs/linux-dri configs/linux-dri-xcb configs/linux-fbdev configs/linux-static configs/linux-x86-64-static configs/linux-x86-static doxygen/Makefile include/GL/gl.h progs/demos/Makefile progs/demos/descrip.mms progs/demos/texenv.c progs/egl/.gitignore progs/egl/Makefile progs/glsl/.gitignore progs/glsl/Makefile progs/glsl/convolutions.c progs/samples/Makefile.mgw progs/tests/.gitignore progs/trivial/.gitignore progs/trivial/point-param.c progs/trivial/tri.c progs/xdemos/.gitignore progs/xdemos/glthreads.c src/egl/drivers/demo/Makefile src/egl/drivers/dri/Makefile src/egl/main/Makefile src/glu/Makefile src/glu/sgi/Makefile src/glu/sgi/Makefile.mgw src/glut/glx/Makefile.mgw src/glut/os2/WarpWin.cpp src/glut/os2/glut_cindex.cpp src/glut/os2/glut_gamemode.cpp src/glut/os2/glut_win.cpp src/glut/os2/glut_winmisc.cpp src/glut/os2/os2_glx.cpp src/glut/os2/os2_menu.cpp src/glut/os2/os2_winproc.cpp src/glw/Makefile src/glx/x11/dri_glx.c src/glx/x11/glxext.c src/mesa/Makefile src/mesa/Makefile.mgw src/mesa/descrip.mms src/mesa/drivers/beos/Makefile src/mesa/drivers/common/descrip.mms src/mesa/drivers/common/driverfuncs.c src/mesa/drivers/directfb/Makefile src/mesa/drivers/dri/Makefile.template src/mesa/drivers/dri/common/dri_bufmgr.c src/mesa/drivers/dri/common/dri_bufmgr.h src/mesa/drivers/dri/common/dri_util.c src/mesa/drivers/dri/common/extension_helper.h src/mesa/drivers/dri/common/mmio.h src/mesa/drivers/dri/common/utils.c src/mesa/drivers/dri/common/utils.h src/mesa/drivers/dri/glcore/Makefile src/mesa/drivers/dri/i810/i810screen.c src/mesa/drivers/dri/i915/intel_ioctl.c src/mesa/drivers/dri/i915/intel_ioctl.h src/mesa/drivers/dri/i915/intel_screen.c src/mesa/drivers/dri/i915/server/i830_common.h src/mesa/drivers/dri/i915/server/i830_dri.h src/mesa/drivers/dri/i965/intel_screen.c src/mesa/drivers/dri/i965/server/i830_common.h src/mesa/drivers/dri/i965/server/i830_dri.h src/mesa/drivers/dri/mach64/mach64_screen.c src/mesa/drivers/dri/nouveau/nouveau_context.h src/mesa/drivers/dri/nouveau/nouveau_fifo.c src/mesa/drivers/dri/nouveau/nouveau_fifo.h src/mesa/drivers/dri/nouveau/nouveau_screen.c src/mesa/drivers/dri/nouveau/nouveau_screen.h src/mesa/drivers/dri/r128/r128_tex.h src/mesa/drivers/dri/savage/savageioctl.h src/mesa/drivers/fbdev/Makefile src/mesa/drivers/osmesa/Makefile src/mesa/drivers/osmesa/descrip.mms src/mesa/drivers/x11/Makefile src/mesa/drivers/x11/descrip.mms src/mesa/drivers/x11/xm_dd.c src/mesa/glapi/glapi.c src/mesa/glapi/glthread.c src/mesa/main/api_validate.c src/mesa/main/attrib.c src/mesa/main/bufferobj.c src/mesa/main/bufferobj.h src/mesa/main/buffers.c src/mesa/main/config.h src/mesa/main/context.c src/mesa/main/descrip.mms src/mesa/main/drawpix.c src/mesa/main/enums.c src/mesa/main/fbobject.c src/mesa/main/glheader.h src/mesa/main/imports.c src/mesa/main/mipmap.c src/mesa/main/mm.c src/mesa/main/mm.h src/mesa/main/mtypes.h src/mesa/main/points.c src/mesa/main/sources src/mesa/main/state.c src/mesa/main/texcompress_fxt1.c src/mesa/main/texenvprogram.c src/mesa/main/texobj.c src/mesa/main/texstate.c src/mesa/main/texstore.c src/mesa/math/descrip.mms src/mesa/shader/arbprogram.c src/mesa/shader/descrip.mms src/mesa/shader/prog_execute.c src/mesa/shader/prog_statevars.c src/mesa/shader/prog_statevars.h src/mesa/shader/prog_uniform.c src/mesa/shader/program.c src/mesa/shader/program.h src/mesa/shader/shader_api.c src/mesa/shader/slang/descrip.mms src/mesa/shader/slang/library/slang_vertex_builtin_gc.h src/mesa/sources src/mesa/swrast/descrip.mms src/mesa/swrast/s_drawpix.c src/mesa/swrast/s_fragprog.c src/mesa/swrast/s_readpix.c src/mesa/swrast/s_span.c src/mesa/swrast_setup/descrip.mms src/mesa/tnl/descrip.mms src/mesa/tnl/t_context.h src/mesa/tnl/t_vp_build.c src/mesa/tnl/tnl.h src/mesa/vbo/descrip.mms src/mesa/vbo/vbo_context.c src/mesa/vbo/vbo_exec_array.c src/mesa/x86-64/xform4.S src/mesa/x86/rtasm/x86sse.c src/mesa/x86/rtasm/x86sse.h windows/VC6/progs/glut/glut.dsp windows/VC7/mesa/gdi/gdi.vcproj windows/VC7/mesa/glu/glu.vcproj windows/VC7/mesa/mesa.sln windows/VC7/mesa/mesa/mesa.vcproj windows/VC7/mesa/osmesa/osmesa.vcproj windows/VC7/progs/glut/glut.vcproj windows/VC8/mesa/gdi/gdi.vcproj windows/VC8/mesa/glu/glu.vcproj windows/VC8/mesa/mesa.sln windows/VC8/mesa/mesa/mesa.vcproj windows/VC8/progs/glut/glut.vcproj
Diffstat (limited to 'src/gallium/auxiliary/draw/draw_vs_aos_machine.c')
-rw-r--r--src/gallium/auxiliary/draw/draw_vs_aos_machine.c324
1 files changed, 324 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/draw/draw_vs_aos_machine.c b/src/gallium/auxiliary/draw/draw_vs_aos_machine.c
new file mode 100644
index 0000000000..b358bd2df4
--- /dev/null
+++ b/src/gallium/auxiliary/draw/draw_vs_aos_machine.c
@@ -0,0 +1,324 @@
+/**************************************************************************
+ *
+ * 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.
+ *
+ **************************************************************************/
+
+
+#include "pipe/p_config.h"
+
+
+#include "pipe/p_shader_tokens.h"
+#include "util/u_math.h"
+#include "util/u_memory.h"
+#include "tgsi/tgsi_parse.h"
+#include "tgsi/tgsi_util.h"
+#include "tgsi/tgsi_exec.h"
+#include "draw_vs.h"
+#include "draw_vs_aos.h"
+#include "draw_vertex.h"
+
+#ifdef PIPE_ARCH_X86
+
+#include "rtasm/rtasm_x86sse.h"
+
+
+#define X87_CW_EXCEPTION_INV_OP (1<<0)
+#define X87_CW_EXCEPTION_DENORM_OP (1<<1)
+#define X87_CW_EXCEPTION_ZERO_DIVIDE (1<<2)
+#define X87_CW_EXCEPTION_OVERFLOW (1<<3)
+#define X87_CW_EXCEPTION_UNDERFLOW (1<<4)
+#define X87_CW_EXCEPTION_PRECISION (1<<5)
+#define X87_CW_PRECISION_SINGLE (0<<8)
+#define X87_CW_PRECISION_RESERVED (1<<8)
+#define X87_CW_PRECISION_DOUBLE (2<<8)
+#define X87_CW_PRECISION_DOUBLE_EXT (3<<8)
+#define X87_CW_PRECISION_MASK (3<<8)
+#define X87_CW_ROUND_NEAREST (0<<10)
+#define X87_CW_ROUND_DOWN (1<<10)
+#define X87_CW_ROUND_UP (2<<10)
+#define X87_CW_ROUND_ZERO (3<<10)
+#define X87_CW_ROUND_MASK (3<<10)
+#define X87_CW_INFINITY (1<<12)
+
+
+void PIPE_CDECL aos_do_lit( struct aos_machine *machine,
+ float *result,
+ const float *in,
+ unsigned count )
+{
+ if (in[0] > 0)
+ {
+ if (in[1] <= 0.0)
+ {
+ result[0] = 1.0F;
+ result[1] = in[0];
+ result[2] = 1.0;
+ result[3] = 1.0F;
+ }
+ else
+ {
+ const float epsilon = 1.0F / 256.0F;
+ float exponent = CLAMP(in[3], -(128.0F - epsilon), (128.0F - epsilon));
+ result[0] = 1.0F;
+ result[1] = in[0];
+ result[2] = powf(in[1], exponent);
+ result[3] = 1.0;
+ }
+ }
+ else
+ {
+ result[0] = 1.0F;
+ result[1] = 0.0;
+ result[2] = 0.0;
+ result[3] = 1.0F;
+ }
+}
+
+
+static void PIPE_CDECL do_lit_lut( struct aos_machine *machine,
+ float *result,
+ const float *in,
+ unsigned count )
+{
+ if (in[0] > 0)
+ {
+ if (in[1] <= 0.0)
+ {
+ result[0] = 1.0F;
+ result[1] = in[0];
+ result[2] = 1.0;
+ result[3] = 1.0F;
+ return;
+ }
+
+ if (machine->lit_info[count].shine_tab->exponent != in[3]) {
+ machine->lit_info[count].func = aos_do_lit;
+ goto no_luck;
+ }
+
+ if (in[1] <= 1.0)
+ {
+ const float *tab = machine->lit_info[count].shine_tab->values;
+ float f = in[1] * 256;
+ int k = (int)f;
+ float frac = f - (float)k;
+
+ result[0] = 1.0F;
+ result[1] = in[0];
+ result[2] = tab[k] + frac*(tab[k+1]-tab[k]);
+ result[3] = 1.0;
+ return;
+ }
+
+ no_luck:
+ {
+ const float epsilon = 1.0F / 256.0F;
+ float exponent = CLAMP(in[3], -(128.0F - epsilon), (128.0F - epsilon));
+ result[0] = 1.0F;
+ result[1] = in[0];
+ result[2] = powf(in[1], exponent);
+ result[3] = 1.0;
+ }
+ }
+ else
+ {
+ result[0] = 1.0F;
+ result[1] = 0.0;
+ result[2] = 0.0;
+ result[3] = 1.0F;
+ }
+}
+
+
+static void do_populate_lut( struct shine_tab *tab,
+ float unclamped_exponent )
+{
+ const float epsilon = 1.0F / 256.0F;
+ float exponent = CLAMP(unclamped_exponent, -(128.0F - epsilon), (128.0F - epsilon));
+ unsigned i;
+
+ tab->exponent = unclamped_exponent; /* for later comparison */
+
+ tab->values[0] = 0;
+ if (exponent == 0) {
+ for (i = 1; i < 258; i++) {
+ tab->values[i] = 1.0;
+ }
+ }
+ else {
+ for (i = 1; i < 258; i++) {
+ tab->values[i] = powf((float)i * epsilon, exponent);
+ }
+ }
+}
+
+
+
+
+static void PIPE_CDECL populate_lut( struct aos_machine *machine,
+ float *result,
+ const float *in,
+ unsigned count )
+{
+ unsigned i, tab;
+
+ /* Search for an existing table for this value. Note that without
+ * static analysis we don't really know if in[3] will be constant,
+ * but it usually is...
+ */
+ for (tab = 0; tab < 4; tab++) {
+ if (machine->shine_tab[tab].exponent == in[3]) {
+ goto found;
+ }
+ }
+
+ for (tab = 0, i = 1; i < 4; i++) {
+ if (machine->shine_tab[i].last_used < machine->shine_tab[tab].last_used)
+ tab = i;
+ }
+
+ if (machine->shine_tab[tab].last_used == machine->now) {
+ /* No unused tables (this is not a ffvertex program...). Just
+ * call pow each time:
+ */
+ machine->lit_info[count].func = aos_do_lit;
+ machine->lit_info[count].func( machine, result, in, count );
+ return;
+ }
+ else {
+ do_populate_lut( &machine->shine_tab[tab], in[3] );
+ }
+
+ found:
+ machine->shine_tab[tab].last_used = machine->now;
+ machine->lit_info[count].shine_tab = &machine->shine_tab[tab];
+ machine->lit_info[count].func = do_lit_lut;
+ machine->lit_info[count].func( machine, result, in, count );
+}
+
+
+void draw_vs_aos_machine_constants( struct aos_machine *machine,
+ const float (*constants)[4] )
+{
+ machine->constants = constants;
+
+ {
+ unsigned i;
+ for (i = 0; i < MAX_LIT_INFO; i++) {
+ machine->lit_info[i].func = populate_lut;
+ machine->now++;
+ }
+ }
+}
+
+
+void draw_vs_aos_machine_viewport( struct aos_machine *machine,
+ const struct pipe_viewport_state *viewport )
+{
+ memcpy(machine->scale, viewport->scale, 4 * sizeof(float));
+ memcpy(machine->translate, viewport->translate, 4 * sizeof(float));
+}
+
+
+
+void draw_vs_aos_machine_destroy( struct aos_machine *machine )
+{
+ align_free(machine);
+}
+
+struct aos_machine *draw_vs_aos_machine( void )
+{
+ struct aos_machine *machine;
+ unsigned i;
+ float inv = 1.0f/255.0f;
+ float f255 = 255.0f;
+
+ machine = align_malloc(sizeof(struct aos_machine), 16);
+ if (!machine)
+ return NULL;
+
+ memset(machine, 0, sizeof(*machine));
+
+ ASSIGN_4V(machine->internal[IMM_SWZ], 1.0f, -1.0f, 0.0f, 1.0f);
+ *(unsigned *)&machine->internal[IMM_SWZ][3] = 0xffffffff;
+
+ ASSIGN_4V(machine->internal[IMM_ONES], 1.0f, 1.0f, 1.0f, 1.0f);
+ ASSIGN_4V(machine->internal[IMM_NEGS], -1.0f, -1.0f, -1.0f, -1.0f);
+ ASSIGN_4V(machine->internal[IMM_IDENTITY], 0.0f, 0.0f, 0.0f, 1.0f);
+ ASSIGN_4V(machine->internal[IMM_INV_255], inv, inv, inv, inv);
+ ASSIGN_4V(machine->internal[IMM_255], f255, f255, f255, f255);
+ ASSIGN_4V(machine->internal[IMM_RSQ], -.5f, 1.5f, 0.0f, 0.0f);
+
+
+ machine->fpu_rnd_nearest = (X87_CW_EXCEPTION_INV_OP |
+ X87_CW_EXCEPTION_DENORM_OP |
+ X87_CW_EXCEPTION_ZERO_DIVIDE |
+ X87_CW_EXCEPTION_OVERFLOW |
+ X87_CW_EXCEPTION_UNDERFLOW |
+ X87_CW_EXCEPTION_PRECISION |
+ (1<<6) |
+ X87_CW_ROUND_NEAREST |
+ X87_CW_PRECISION_DOUBLE_EXT);
+
+ assert(machine->fpu_rnd_nearest == 0x37f);
+
+ machine->fpu_rnd_neg_inf = (X87_CW_EXCEPTION_INV_OP |
+ X87_CW_EXCEPTION_DENORM_OP |
+ X87_CW_EXCEPTION_ZERO_DIVIDE |
+ X87_CW_EXCEPTION_OVERFLOW |
+ X87_CW_EXCEPTION_UNDERFLOW |
+ X87_CW_EXCEPTION_PRECISION |
+ (1<<6) |
+ X87_CW_ROUND_DOWN |
+ X87_CW_PRECISION_DOUBLE_EXT);
+
+ for (i = 0; i < MAX_SHINE_TAB; i++)
+ do_populate_lut( &machine->shine_tab[i], 1.0f );
+
+ return machine;
+}
+
+#else
+
+void draw_vs_aos_machine_viewport( struct aos_machine *machine,
+ const struct pipe_viewport_state *viewport )
+{
+}
+
+void draw_vs_aos_machine_constants( struct aos_machine *machine,
+ const float (*constants)[4] )
+{
+}
+
+void draw_vs_aos_machine_destroy( struct aos_machine *machine )
+{
+}
+
+struct aos_machine *draw_vs_aos_machine( void )
+{
+ return NULL;
+}
+#endif
+