diff options
Diffstat (limited to 'src/gallium/drivers/i915simple/i915_state_emit.c')
-rw-r--r-- | src/gallium/drivers/i915simple/i915_state_emit.c | 374 |
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 0000000..3339287 --- /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; +} |