--- /dev/null
- /*
+/**************************************************************************
+ *
+ * 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 "draw/draw_context.h"
+#include "pipe/internal/p_winsys_screen.h"
+#include "pipe/p_inlines.h"
+#include "util/u_math.h"
+#include "util/u_memory.h"
+#include "tgsi/tgsi_parse.h"
+
+#include "i915_context.h"
+#include "i915_reg.h"
+#include "i915_state.h"
+#include "i915_state_inlines.h"
+#include "i915_fpc.h"
+
+/* The i915 (and related graphics cores) do not support GL_CLAMP. The
+ * Intel drivers for "other operating systems" implement GL_CLAMP as
+ * GL_CLAMP_TO_EDGE, so the same is done here.
+ */
+static unsigned
+translate_wrap_mode(unsigned wrap)
+{
+ switch (wrap) {
+ case PIPE_TEX_WRAP_REPEAT:
+ return TEXCOORDMODE_WRAP;
+ case PIPE_TEX_WRAP_CLAMP:
+ return TEXCOORDMODE_CLAMP_EDGE; /* not quite correct */
+ case PIPE_TEX_WRAP_CLAMP_TO_EDGE:
+ return TEXCOORDMODE_CLAMP_EDGE;
+ case PIPE_TEX_WRAP_CLAMP_TO_BORDER:
+ return TEXCOORDMODE_CLAMP_BORDER;
- */
++ /*
+ case PIPE_TEX_WRAP_MIRRORED_REPEAT:
+ return TEXCOORDMODE_MIRROR;
++ */
+ default:
+ return TEXCOORDMODE_WRAP;
+ }
+}
+
+static unsigned translate_img_filter( unsigned filter )
+{
+ switch (filter) {
+ case PIPE_TEX_FILTER_NEAREST:
+ return FILTER_NEAREST;
+ case PIPE_TEX_FILTER_LINEAR:
+ return FILTER_LINEAR;
+ case PIPE_TEX_FILTER_ANISO:
+ return FILTER_ANISOTROPIC;
+ default:
+ assert(0);
+ return FILTER_NEAREST;
+ }
+}
+
+static unsigned translate_mip_filter( unsigned filter )
+{
+ switch (filter) {
+ case PIPE_TEX_MIPFILTER_NONE:
+ return MIPFILTER_NONE;
+ case PIPE_TEX_MIPFILTER_NEAREST:
+ return MIPFILTER_NEAREST;
+ case PIPE_TEX_MIPFILTER_LINEAR:
+ return MIPFILTER_LINEAR;
+ default:
+ assert(0);
+ return MIPFILTER_NONE;
+ }
+}
+
+
+/* None of this state is actually used for anything yet.
+ */
+static void *
+i915_create_blend_state(struct pipe_context *pipe,
+ const struct pipe_blend_state *blend)
+{
+ struct i915_blend_state *cso_data = CALLOC_STRUCT( i915_blend_state );
+
+ {
+ unsigned eqRGB = blend->rgb_func;
+ unsigned srcRGB = blend->rgb_src_factor;
+ unsigned dstRGB = blend->rgb_dst_factor;
+
+ unsigned eqA = blend->alpha_func;
+ unsigned srcA = blend->alpha_src_factor;
+ unsigned dstA = blend->alpha_dst_factor;
+
+ /* Special handling for MIN/MAX filter modes handled at
+ * state_tracker level.
+ */
+
+ if (srcA != srcRGB ||
+ dstA != dstRGB ||
+ eqA != eqRGB) {
+
+ cso_data->iab = (_3DSTATE_INDEPENDENT_ALPHA_BLEND_CMD |
+ IAB_MODIFY_ENABLE |
+ IAB_ENABLE |
+ IAB_MODIFY_FUNC |
+ IAB_MODIFY_SRC_FACTOR |
+ IAB_MODIFY_DST_FACTOR |
+ SRC_ABLND_FACT(i915_translate_blend_factor(srcA)) |
+ DST_ABLND_FACT(i915_translate_blend_factor(dstA)) |
+ (i915_translate_blend_func(eqA) << IAB_FUNC_SHIFT));
+ }
+ else {
+ cso_data->iab = (_3DSTATE_INDEPENDENT_ALPHA_BLEND_CMD |
+ IAB_MODIFY_ENABLE |
+ 0);
+ }
+ }
+
+ cso_data->modes4 |= (_3DSTATE_MODES_4_CMD |
+ ENABLE_LOGIC_OP_FUNC |
+ LOGIC_OP_FUNC(i915_translate_logic_op(blend->logicop_func)));
+
+ if (blend->logicop_enable)
+ cso_data->LIS5 |= S5_LOGICOP_ENABLE;
+
+ if (blend->dither)
+ cso_data->LIS5 |= S5_COLOR_DITHER_ENABLE;
+
+ if ((blend->colormask & PIPE_MASK_R) == 0)
+ cso_data->LIS5 |= S5_WRITEDISABLE_RED;
+
+ if ((blend->colormask & PIPE_MASK_G) == 0)
+ cso_data->LIS5 |= S5_WRITEDISABLE_GREEN;
+
+ if ((blend->colormask & PIPE_MASK_B) == 0)
+ cso_data->LIS5 |= S5_WRITEDISABLE_BLUE;
+
+ if ((blend->colormask & PIPE_MASK_A) == 0)
+ cso_data->LIS5 |= S5_WRITEDISABLE_ALPHA;
+
+ if (blend->blend_enable) {
+ unsigned funcRGB = blend->rgb_func;
+ unsigned srcRGB = blend->rgb_src_factor;
+ unsigned dstRGB = blend->rgb_dst_factor;
+
+ cso_data->LIS6 |= (S6_CBUF_BLEND_ENABLE |
+ SRC_BLND_FACT(i915_translate_blend_factor(srcRGB)) |
+ DST_BLND_FACT(i915_translate_blend_factor(dstRGB)) |
+ (i915_translate_blend_func(funcRGB) << S6_CBUF_BLEND_FUNC_SHIFT));
+ }
+
+ return cso_data;
+}
+
+static void i915_bind_blend_state(struct pipe_context *pipe,
+ void *blend)
+{
+ struct i915_context *i915 = i915_context(pipe);
+ draw_flush(i915->draw);
+
+ i915->blend = (struct i915_blend_state*)blend;
+
+ i915->dirty |= I915_NEW_BLEND;
+}
+
+
+static void i915_delete_blend_state(struct pipe_context *pipe, void *blend)
+{
+ FREE(blend);
+}
+
+static void i915_set_blend_color( struct pipe_context *pipe,
+ const struct pipe_blend_color *blend_color )
+{
+ struct i915_context *i915 = i915_context(pipe);
+ draw_flush(i915->draw);
+
+ i915->blend_color = *blend_color;
+
+ i915->dirty |= I915_NEW_BLEND;
+}
+
+static void *
+i915_create_sampler_state(struct pipe_context *pipe,
+ const struct pipe_sampler_state *sampler)
+{
+ struct i915_sampler_state *cso = CALLOC_STRUCT( i915_sampler_state );
+ const unsigned ws = sampler->wrap_s;
+ const unsigned wt = sampler->wrap_t;
+ const unsigned wr = sampler->wrap_r;
+ unsigned minFilt, magFilt;
+ unsigned mipFilt;
+
+ cso->templ = sampler;
+
+ mipFilt = translate_mip_filter(sampler->min_mip_filter);
+ minFilt = translate_img_filter( sampler->min_img_filter );
+ magFilt = translate_img_filter( sampler->mag_img_filter );
+
+ if (sampler->max_anisotropy > 2.0) {
+ cso->state[0] |= SS2_MAX_ANISO_4;
+ }
+
+ {
+ int b = (int) (sampler->lod_bias * 16.0);
+ b = CLAMP(b, -256, 255);
+ cso->state[0] |= ((b << SS2_LOD_BIAS_SHIFT) & SS2_LOD_BIAS_MASK);
+ }
+
+ /* Shadow:
+ */
+ if (sampler->compare_mode == PIPE_TEX_COMPARE_R_TO_TEXTURE)
+ {
+ cso->state[0] |= (SS2_SHADOW_ENABLE |
+ i915_translate_compare_func(sampler->compare_func));
+
+ minFilt = FILTER_4X4_FLAT;
+ magFilt = FILTER_4X4_FLAT;
+ }
+
+ cso->state[0] |= ((minFilt << SS2_MIN_FILTER_SHIFT) |
+ (mipFilt << SS2_MIP_FILTER_SHIFT) |
+ (magFilt << SS2_MAG_FILTER_SHIFT));
+
+ cso->state[1] |=
+ ((translate_wrap_mode(ws) << SS3_TCX_ADDR_MODE_SHIFT) |
+ (translate_wrap_mode(wt) << SS3_TCY_ADDR_MODE_SHIFT) |
+ (translate_wrap_mode(wr) << SS3_TCZ_ADDR_MODE_SHIFT));
+
+ if (sampler->normalized_coords)
+ cso->state[1] |= SS3_NORMALIZED_COORDS;
+
+ {
+ int minlod = (int) (16.0 * sampler->min_lod);
+ int maxlod = (int) (16.0 * sampler->max_lod);
+ minlod = CLAMP(minlod, 0, 16 * 11);
+ maxlod = CLAMP(maxlod, 0, 16 * 11);
+
+ if (minlod > maxlod)
+ maxlod = minlod;
+
+ cso->minlod = minlod;
+ cso->maxlod = maxlod;
+ }
+
+ {
+ ubyte r = float_to_ubyte(sampler->border_color[0]);
+ ubyte g = float_to_ubyte(sampler->border_color[1]);
+ ubyte b = float_to_ubyte(sampler->border_color[2]);
+ ubyte a = float_to_ubyte(sampler->border_color[3]);
+ cso->state[2] = I915PACKCOLOR8888(r, g, b, a);
+ }
+ return cso;
+}
+
+static void i915_bind_sampler_states(struct pipe_context *pipe,
+ unsigned num, void **sampler)
+{
+ struct i915_context *i915 = i915_context(pipe);
+ unsigned i;
+
+ assert(num <= PIPE_MAX_SAMPLERS);
+
+ /* Check for no-op */
+ if (num == i915->num_samplers &&
+ !memcmp(i915->sampler, sampler, num * sizeof(void *)))
+ return;
+
+ draw_flush(i915->draw);
+
+ for (i = 0; i < num; ++i)
+ i915->sampler[i] = sampler[i];
+ for (i = num; i < PIPE_MAX_SAMPLERS; ++i)
+ i915->sampler[i] = NULL;
+
+ i915->num_samplers = num;
+
+ i915->dirty |= I915_NEW_SAMPLER;
+}
+
+static void i915_delete_sampler_state(struct pipe_context *pipe,
+ void *sampler)
+{
+ FREE(sampler);
+}
+
+
+/** XXX move someday? Or consolidate all these simple state setters
+ * into one file.
+ */
+
+static void *
+i915_create_depth_stencil_state(struct pipe_context *pipe,
+ const struct pipe_depth_stencil_alpha_state *depth_stencil)
+{
+ struct i915_depth_stencil_state *cso = CALLOC_STRUCT( i915_depth_stencil_state );
+
+ {
+ int testmask = depth_stencil->stencil[0].valuemask & 0xff;
+ int writemask = depth_stencil->stencil[0].writemask & 0xff;
+
+ cso->stencil_modes4 |= (_3DSTATE_MODES_4_CMD |
+ ENABLE_STENCIL_TEST_MASK |
+ STENCIL_TEST_MASK(testmask) |
+ ENABLE_STENCIL_WRITE_MASK |
+ STENCIL_WRITE_MASK(writemask));
+ }
+
+ if (depth_stencil->stencil[0].enabled) {
+ int test = i915_translate_compare_func(depth_stencil->stencil[0].func);
+ int fop = i915_translate_stencil_op(depth_stencil->stencil[0].fail_op);
+ int dfop = i915_translate_stencil_op(depth_stencil->stencil[0].zfail_op);
+ int dpop = i915_translate_stencil_op(depth_stencil->stencil[0].zpass_op);
+ int ref = depth_stencil->stencil[0].ref_value & 0xff;
+
+ cso->stencil_LIS5 |= (S5_STENCIL_TEST_ENABLE |
+ S5_STENCIL_WRITE_ENABLE |
+ (ref << S5_STENCIL_REF_SHIFT) |
+ (test << S5_STENCIL_TEST_FUNC_SHIFT) |
+ (fop << S5_STENCIL_FAIL_SHIFT) |
+ (dfop << S5_STENCIL_PASS_Z_FAIL_SHIFT) |
+ (dpop << S5_STENCIL_PASS_Z_PASS_SHIFT));
+ }
+
+ if (depth_stencil->stencil[1].enabled) {
+ int test = i915_translate_compare_func(depth_stencil->stencil[1].func);
+ int fop = i915_translate_stencil_op(depth_stencil->stencil[1].fail_op);
+ int dfop = i915_translate_stencil_op(depth_stencil->stencil[1].zfail_op);
+ int dpop = i915_translate_stencil_op(depth_stencil->stencil[1].zpass_op);
+ int ref = depth_stencil->stencil[1].ref_value & 0xff;
+ int tmask = depth_stencil->stencil[1].valuemask & 0xff;
+ int wmask = depth_stencil->stencil[1].writemask & 0xff;
+
+ cso->bfo[0] = (_3DSTATE_BACKFACE_STENCIL_OPS |
+ BFO_ENABLE_STENCIL_FUNCS |
+ BFO_ENABLE_STENCIL_TWO_SIDE |
+ BFO_ENABLE_STENCIL_REF |
+ BFO_STENCIL_TWO_SIDE |
+ (ref << BFO_STENCIL_REF_SHIFT) |
+ (test << BFO_STENCIL_TEST_SHIFT) |
+ (fop << BFO_STENCIL_FAIL_SHIFT) |
+ (dfop << BFO_STENCIL_PASS_Z_FAIL_SHIFT) |
+ (dpop << BFO_STENCIL_PASS_Z_PASS_SHIFT));
+
+ cso->bfo[1] = (_3DSTATE_BACKFACE_STENCIL_MASKS |
+ BFM_ENABLE_STENCIL_TEST_MASK |
+ BFM_ENABLE_STENCIL_WRITE_MASK |
+ (tmask << BFM_STENCIL_TEST_MASK_SHIFT) |
+ (wmask << BFM_STENCIL_WRITE_MASK_SHIFT));
+ }
+ else {
+ /* This actually disables two-side stencil: The bit set is a
+ * modify-enable bit to indicate we are changing the two-side
+ * setting. Then there is a symbolic zero to show that we are
+ * setting the flag to zero/off.
+ */
+ cso->bfo[0] = (_3DSTATE_BACKFACE_STENCIL_OPS |
+ BFO_ENABLE_STENCIL_TWO_SIDE |
+ 0);
+ cso->bfo[1] = 0;
+ }
+
+ if (depth_stencil->depth.enabled) {
+ int func = i915_translate_compare_func(depth_stencil->depth.func);
+
+ cso->depth_LIS6 |= (S6_DEPTH_TEST_ENABLE |
+ (func << S6_DEPTH_TEST_FUNC_SHIFT));
+
+ if (depth_stencil->depth.writemask)
+ cso->depth_LIS6 |= S6_DEPTH_WRITE_ENABLE;
+ }
+
+ if (depth_stencil->alpha.enabled) {
+ int test = i915_translate_compare_func(depth_stencil->alpha.func);
+ ubyte refByte = float_to_ubyte(depth_stencil->alpha.ref_value);
+
+ cso->depth_LIS6 |= (S6_ALPHA_TEST_ENABLE |
+ (test << S6_ALPHA_TEST_FUNC_SHIFT) |
+ (((unsigned) refByte) << S6_ALPHA_REF_SHIFT));
+ }
+
+ return cso;
+}
+
+static void i915_bind_depth_stencil_state(struct pipe_context *pipe,
+ void *depth_stencil)
+{
+ struct i915_context *i915 = i915_context(pipe);
+ draw_flush(i915->draw);
+
+ i915->depth_stencil = (const struct i915_depth_stencil_state *)depth_stencil;
+
+ i915->dirty |= I915_NEW_DEPTH_STENCIL;
+}
+
+static void i915_delete_depth_stencil_state(struct pipe_context *pipe,
+ void *depth_stencil)
+{
+ FREE(depth_stencil);
+}
+
+
+static void i915_set_scissor_state( struct pipe_context *pipe,
+ const struct pipe_scissor_state *scissor )
+{
+ struct i915_context *i915 = i915_context(pipe);
+ draw_flush(i915->draw);
+
+ memcpy( &i915->scissor, scissor, sizeof(*scissor) );
+ i915->dirty |= I915_NEW_SCISSOR;
+}
+
+
+static void i915_set_polygon_stipple( struct pipe_context *pipe,
+ const struct pipe_poly_stipple *stipple )
+{
+}
+
+
+
+static void *
+i915_create_fs_state(struct pipe_context *pipe,
+ const struct pipe_shader_state *templ)
+{
+ struct i915_context *i915 = i915_context(pipe);
+ struct i915_fragment_shader *ifs = CALLOC_STRUCT(i915_fragment_shader);
+ if (!ifs)
+ return NULL;
+
+ ifs->state.tokens = tgsi_dup_tokens(templ->tokens);
+
+ tgsi_scan_shader(templ->tokens, &ifs->info);
+
+ /* The shader's compiled to i915 instructions here */
+ i915_translate_fragment_program(i915, ifs);
+
+ return ifs;
+}
+
+static void
+i915_bind_fs_state(struct pipe_context *pipe, void *shader)
+{
+ struct i915_context *i915 = i915_context(pipe);
+ draw_flush(i915->draw);
+
+ i915->fs = (struct i915_fragment_shader*) shader;
+
+ i915->dirty |= I915_NEW_FS;
+}
+
+static
+void i915_delete_fs_state(struct pipe_context *pipe, void *shader)
+{
+ struct i915_fragment_shader *ifs = (struct i915_fragment_shader *) shader;
+
+ if (ifs->program)
+ FREE(ifs->program);
+ ifs->program_len = 0;
+
+ FREE((struct tgsi_token *)ifs->state.tokens);
+
+ FREE(ifs);
+}
+
+
+static void *
+i915_create_vs_state(struct pipe_context *pipe,
+ const struct pipe_shader_state *templ)
+{
+ struct i915_context *i915 = i915_context(pipe);
+
+ /* just pass-through to draw module */
+ return draw_create_vertex_shader(i915->draw, templ);
+}
+
+static void i915_bind_vs_state(struct pipe_context *pipe, void *shader)
+{
+ struct i915_context *i915 = i915_context(pipe);
+
+ /* just pass-through to draw module */
+ draw_bind_vertex_shader(i915->draw, (struct draw_vertex_shader *) shader);
+
+ i915->dirty |= I915_NEW_VS;
+}
+
+static void i915_delete_vs_state(struct pipe_context *pipe, void *shader)
+{
+ struct i915_context *i915 = i915_context(pipe);
+
+ /* just pass-through to draw module */
+ draw_delete_vertex_shader(i915->draw, (struct draw_vertex_shader *) shader);
+}
+
+static void i915_set_constant_buffer(struct pipe_context *pipe,
+ uint shader, uint index,
+ const struct pipe_constant_buffer *buf)
+{
+ struct i915_context *i915 = i915_context(pipe);
+ struct pipe_screen *screen = pipe->screen;
+ draw_flush(i915->draw);
+
+ assert(shader < PIPE_SHADER_TYPES);
+ assert(index == 0);
+
+ /* Make a copy of shader constants.
+ * During fragment program translation we may add additional
+ * constants to the array.
+ *
+ * We want to consider the situation where some user constants
+ * (ex: a material color) may change frequently but the shader program
+ * stays the same. In that case we should only be updating the first
+ * N constants, leaving any extras from shader translation alone.
+ */
+ if (buf) {
+ void *mapped;
+ if (buf->buffer && buf->buffer->size &&
+ (mapped = pipe_buffer_map(screen, buf->buffer,
+ PIPE_BUFFER_USAGE_CPU_READ))) {
+ memcpy(i915->current.constants[shader], mapped, buf->buffer->size);
+ pipe_buffer_unmap(screen, buf->buffer);
+ i915->current.num_user_constants[shader]
+ = buf->buffer->size / (4 * sizeof(float));
+ }
+ else {
+ i915->current.num_user_constants[shader] = 0;
+ }
+ }
+
+ i915->dirty |= I915_NEW_CONSTANTS;
+}
+
+
+static void i915_set_sampler_textures(struct pipe_context *pipe,
+ unsigned num,
+ struct pipe_texture **texture)
+{
+ struct i915_context *i915 = i915_context(pipe);
+ uint i;
+
+ assert(num <= PIPE_MAX_SAMPLERS);
+
+ /* Check for no-op */
+ if (num == i915->num_textures &&
+ !memcmp(i915->texture, texture, num * sizeof(struct pipe_texture *)))
+ return;
+
+ /* Fixes wrong texture in texobj with VBUF */
+ draw_flush(i915->draw);
+
+ for (i = 0; i < num; i++)
+ pipe_texture_reference((struct pipe_texture **) &i915->texture[i],
+ texture[i]);
+
+ for (i = num; i < i915->num_textures; i++)
+ pipe_texture_reference((struct pipe_texture **) &i915->texture[i],
+ NULL);
+
+ i915->num_textures = num;
+
+ i915->dirty |= I915_NEW_TEXTURE;
+}
+
+
+
+static void i915_set_framebuffer_state(struct pipe_context *pipe,
+ const struct pipe_framebuffer_state *fb)
+{
+ struct i915_context *i915 = i915_context(pipe);
+ int i;
+
+ draw_flush(i915->draw);
+
+ i915->framebuffer.width = fb->width;
+ i915->framebuffer.height = fb->height;
+ i915->framebuffer.nr_cbufs = fb->nr_cbufs;
+ for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
+ pipe_surface_reference(&i915->framebuffer.cbufs[i], fb->cbufs[i]);
+ }
+ pipe_surface_reference(&i915->framebuffer.zsbuf, fb->zsbuf);
+
+ i915->dirty |= I915_NEW_FRAMEBUFFER;
+}
+
+
+
+static void i915_set_clip_state( struct pipe_context *pipe,
+ const struct pipe_clip_state *clip )
+{
+ struct i915_context *i915 = i915_context(pipe);
+ draw_flush(i915->draw);
+
+ draw_set_clip_state(i915->draw, clip);
+
+ i915->dirty |= I915_NEW_CLIP;
+}
+
+
+
+/* Called when driver state tracker notices changes to the viewport
+ * matrix:
+ */
+static void i915_set_viewport_state( struct pipe_context *pipe,
+ const struct pipe_viewport_state *viewport )
+{
+ struct i915_context *i915 = i915_context(pipe);
+
+ i915->viewport = *viewport; /* struct copy */
+
+ /* pass the viewport info to the draw module */
+ draw_set_viewport_state(i915->draw, &i915->viewport);
+
+ i915->dirty |= I915_NEW_VIEWPORT;
+}
+
+
+static void *
+i915_create_rasterizer_state(struct pipe_context *pipe,
+ const struct pipe_rasterizer_state *rasterizer)
+{
+ struct i915_rasterizer_state *cso = CALLOC_STRUCT( i915_rasterizer_state );
+
+ cso->templ = rasterizer;
+ cso->color_interp = rasterizer->flatshade ? INTERP_CONSTANT : INTERP_LINEAR;
+ cso->light_twoside = rasterizer->light_twoside;
+ cso->ds[0].u = _3DSTATE_DEPTH_OFFSET_SCALE;
+ cso->ds[1].f = rasterizer->offset_scale;
+ if (rasterizer->poly_stipple_enable) {
+ cso->st |= ST1_ENABLE;
+ }
+
+ if (rasterizer->scissor)
+ cso->sc[0] = _3DSTATE_SCISSOR_ENABLE_CMD | ENABLE_SCISSOR_RECT;
+ else
+ cso->sc[0] = _3DSTATE_SCISSOR_ENABLE_CMD | DISABLE_SCISSOR_RECT;
+
+ switch (rasterizer->cull_mode) {
+ case PIPE_WINDING_NONE:
+ cso->LIS4 |= S4_CULLMODE_NONE;
+ break;
+ case PIPE_WINDING_CW:
+ cso->LIS4 |= S4_CULLMODE_CW;
+ break;
+ case PIPE_WINDING_CCW:
+ cso->LIS4 |= S4_CULLMODE_CCW;
+ break;
+ case PIPE_WINDING_BOTH:
+ cso->LIS4 |= S4_CULLMODE_BOTH;
+ break;
+ }
+
+ {
+ int line_width = CLAMP((int)(rasterizer->line_width * 2), 1, 0xf);
+
+ cso->LIS4 |= line_width << S4_LINE_WIDTH_SHIFT;
+
+ if (rasterizer->line_smooth)
+ cso->LIS4 |= S4_LINE_ANTIALIAS_ENABLE;
+ }
+
+ {
+ int point_size = CLAMP((int) rasterizer->point_size, 1, 0xff);
+
+ cso->LIS4 |= point_size << S4_POINT_WIDTH_SHIFT;
+ }
+
+ if (rasterizer->flatshade) {
+ cso->LIS4 |= (S4_FLATSHADE_ALPHA |
+ S4_FLATSHADE_COLOR |
+ S4_FLATSHADE_SPECULAR);
+ }
+
+ cso->LIS7 = fui( rasterizer->offset_units );
+
+
+ return cso;
+}
+
+static void i915_bind_rasterizer_state( struct pipe_context *pipe,
+ void *raster )
+{
+ struct i915_context *i915 = i915_context(pipe);
+
+ i915->rasterizer = (struct i915_rasterizer_state *)raster;
+
+ /* pass-through to draw module */
+ draw_set_rasterizer_state(i915->draw,
+ (i915->rasterizer ? i915->rasterizer->templ : NULL));
+
+ i915->dirty |= I915_NEW_RASTERIZER;
+}
+
+static void i915_delete_rasterizer_state(struct pipe_context *pipe,
+ void *raster)
+{
+ FREE(raster);
+}
+
+static void i915_set_vertex_buffers(struct pipe_context *pipe,
+ unsigned count,
+ const struct pipe_vertex_buffer *buffers)
+{
+ struct i915_context *i915 = i915_context(pipe);
+ /* Because we change state before the draw_set_vertex_buffers call
+ * we need a flush here, just to be sure.
+ */
+ draw_flush(i915->draw);
+
+ memcpy(i915->vertex_buffer, buffers, count * sizeof(buffers[0]));
+ i915->num_vertex_buffers = count;
+
+ /* pass-through to draw module */
+ draw_set_vertex_buffers(i915->draw, count, buffers);
+}
+
+static void i915_set_vertex_elements(struct pipe_context *pipe,
+ unsigned count,
+ const struct pipe_vertex_element *elements)
+{
+ struct i915_context *i915 = i915_context(pipe);
+ /* Because we change state before the draw_set_vertex_buffers call
+ * we need a flush here, just to be sure.
+ */
+ draw_flush(i915->draw);
+
+ i915->num_vertex_elements = count;
+ /* pass-through to draw module */
+ draw_set_vertex_elements(i915->draw, count, elements);
+}
+
+
+static void i915_set_edgeflags(struct pipe_context *pipe,
+ const unsigned *bitfield)
+{
+ /* TODO do something here */
+}
+
+void
+i915_init_state_functions( struct i915_context *i915 )
+{
+ i915->base.set_edgeflags = i915_set_edgeflags;
+ i915->base.create_blend_state = i915_create_blend_state;
+ i915->base.bind_blend_state = i915_bind_blend_state;
+ i915->base.delete_blend_state = i915_delete_blend_state;
+
+ i915->base.create_sampler_state = i915_create_sampler_state;
+ i915->base.bind_sampler_states = i915_bind_sampler_states;
+ i915->base.delete_sampler_state = i915_delete_sampler_state;
+
+ i915->base.create_depth_stencil_alpha_state = i915_create_depth_stencil_state;
+ i915->base.bind_depth_stencil_alpha_state = i915_bind_depth_stencil_state;
+ i915->base.delete_depth_stencil_alpha_state = i915_delete_depth_stencil_state;
+
+ i915->base.create_rasterizer_state = i915_create_rasterizer_state;
+ i915->base.bind_rasterizer_state = i915_bind_rasterizer_state;
+ i915->base.delete_rasterizer_state = i915_delete_rasterizer_state;
+ i915->base.create_fs_state = i915_create_fs_state;
+ i915->base.bind_fs_state = i915_bind_fs_state;
+ i915->base.delete_fs_state = i915_delete_fs_state;
+ i915->base.create_vs_state = i915_create_vs_state;
+ i915->base.bind_vs_state = i915_bind_vs_state;
+ i915->base.delete_vs_state = i915_delete_vs_state;
+
+ i915->base.set_blend_color = i915_set_blend_color;
+ i915->base.set_clip_state = i915_set_clip_state;
+ i915->base.set_constant_buffer = i915_set_constant_buffer;
+ i915->base.set_framebuffer_state = i915_set_framebuffer_state;
+
+ i915->base.set_polygon_stipple = i915_set_polygon_stipple;
+ i915->base.set_scissor_state = i915_set_scissor_state;
+ i915->base.set_sampler_textures = i915_set_sampler_textures;
+ i915->base.set_viewport_state = i915_set_viewport_state;
+ i915->base.set_vertex_buffers = i915_set_vertex_buffers;
+ i915->base.set_vertex_elements = i915_set_vertex_elements;
+}
projects / mesa.git / commitdiff