diff options
Diffstat (limited to 'src/gallium/drivers/i915/i915_state.c')
| -rw-r--r-- | src/gallium/drivers/i915/i915_state.c | 796 |
1 files changed, 796 insertions, 0 deletions
diff --git a/src/gallium/drivers/i915/i915_state.c b/src/gallium/drivers/i915/i915_state.c new file mode 100644 index 00000000000..7d48e6e84d5 --- /dev/null +++ b/src/gallium/drivers/i915/i915_state.c @@ -0,0 +1,796 @@ +/************************************************************************** + * + * 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 <[email protected]> + */ + + +#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; +} |