void i830UpdateTextureState(struct intel_context *intel) { struct i830_context *i830 = i830_context(&intel->ctx); GLboolean ok = GL_TRUE; GLuint i; for (i = 0; i < I830_TEX_UNITS && ok; i++) { switch (intel->ctx.Texture.Unit[i]._ReallyEnabled) { case TEXTURE_1D_BIT: case TEXTURE_2D_BIT: case TEXTURE_CUBE_BIT: ok = i830_update_tex_unit(intel, i, TEXCOORDS_ARE_NORMAL); break; case TEXTURE_RECT_BIT: ok = i830_update_tex_unit(intel, i, TEXCOORDS_ARE_IN_TEXELUNITS); break; case 0:{ struct i830_context *i830 = i830_context(&intel->ctx); if (i830->state.active & I830_UPLOAD_TEX(i)) I830_ACTIVESTATE(i830, I830_UPLOAD_TEX(i), GL_FALSE); if (i830->state.tex_buffer[i] != NULL) { dri_bo_unreference(i830->state.tex_buffer[i]); i830->state.tex_buffer[i] = NULL; } break; } case TEXTURE_3D_BIT: default: ok = GL_FALSE; break; } } FALLBACK(intel, I830_FALLBACK_TEXTURE, !ok); if (ok) i830EmitTextureBlend(i830); }
static void i830_render_start(struct intel_context *intel) { GLcontext *ctx = &intel->ctx; struct i830_context *i830 = i830_context(ctx); TNLcontext *tnl = TNL_CONTEXT(ctx); struct vertex_buffer *VB = &tnl->vb; DECLARE_RENDERINPUTS(index_bitset); GLuint v0 = _3DSTATE_VFT0_CMD; GLuint v2 = _3DSTATE_VFT1_CMD; GLuint mcsb1 = 0; RENDERINPUTS_COPY(index_bitset, tnl->render_inputs_bitset); /* Important: */ VB->AttribPtr[VERT_ATTRIB_POS] = VB->NdcPtr; intel->vertex_attr_count = 0; /* EMIT_ATTR's must be in order as they tell t_vertex.c how to * build up a hardware vertex. */ if (RENDERINPUTS_TEST_RANGE(index_bitset, _TNL_FIRST_TEX, _TNL_LAST_TEX)) { EMIT_ATTR(_TNL_ATTRIB_POS, EMIT_4F_VIEWPORT, VFT0_XYZW); intel->coloroffset = 4; } else { EMIT_ATTR(_TNL_ATTRIB_POS, EMIT_3F_VIEWPORT, VFT0_XYZ); intel->coloroffset = 3; } if (RENDERINPUTS_TEST(index_bitset, _TNL_ATTRIB_POINTSIZE)) { EMIT_ATTR(_TNL_ATTRIB_POINTSIZE, EMIT_1F, VFT0_POINT_WIDTH); } EMIT_ATTR(_TNL_ATTRIB_COLOR0, EMIT_4UB_4F_BGRA, VFT0_DIFFUSE); intel->specoffset = 0; if (RENDERINPUTS_TEST(index_bitset, _TNL_ATTRIB_COLOR1) || RENDERINPUTS_TEST(index_bitset, _TNL_ATTRIB_FOG)) { if (RENDERINPUTS_TEST(index_bitset, _TNL_ATTRIB_COLOR1)) { intel->specoffset = intel->coloroffset + 1; EMIT_ATTR(_TNL_ATTRIB_COLOR1, EMIT_3UB_3F_BGR, VFT0_SPEC); } else EMIT_PAD(3); if (RENDERINPUTS_TEST(index_bitset, _TNL_ATTRIB_FOG)) EMIT_ATTR(_TNL_ATTRIB_FOG, EMIT_1UB_1F, VFT0_SPEC); else EMIT_PAD(1); } if (RENDERINPUTS_TEST_RANGE(index_bitset, _TNL_FIRST_TEX, _TNL_LAST_TEX)) { int i, count = 0; for (i = 0; i < I830_TEX_UNITS; i++) { if (RENDERINPUTS_TEST(index_bitset, _TNL_ATTRIB_TEX(i))) { GLuint sz = VB->TexCoordPtr[i]->size; GLuint emit; GLuint mcs = (i830->state.Tex[i][I830_TEXREG_MCS] & ~TEXCOORDTYPE_MASK); switch (sz) { case 1: case 2: emit = EMIT_2F; sz = 2; mcs |= TEXCOORDTYPE_CARTESIAN; break; case 3: emit = EMIT_3F; sz = 3; mcs |= TEXCOORDTYPE_VECTOR; break; case 4: emit = EMIT_3F_XYW; sz = 3; mcs |= TEXCOORDTYPE_HOMOGENEOUS; break; default: continue; }; EMIT_ATTR(_TNL_ATTRIB_TEX0 + i, emit, 0); v2 |= VRTX_TEX_SET_FMT(count, SZ_TO_HW(sz)); mcsb1 |= (count + 8) << (i * 4); if (mcs != i830->state.Tex[i][I830_TEXREG_MCS]) { I830_STATECHANGE(i830, I830_UPLOAD_TEX(i)); i830->state.Tex[i][I830_TEXREG_MCS] = mcs; } count++; } } v0 |= VFT0_TEX_COUNT(count); } /* Only need to change the vertex emit code if there has been a * statechange to a new hardware vertex format: */ if (v0 != i830->state.Ctx[I830_CTXREG_VF] || v2 != i830->state.Ctx[I830_CTXREG_VF2] || mcsb1 != i830->state.Ctx[I830_CTXREG_MCSB1] || !RENDERINPUTS_EQUAL(index_bitset, i830->last_index_bitset)) { int k; I830_STATECHANGE(i830, I830_UPLOAD_CTX); /* Must do this *after* statechange, so as not to affect * buffered vertices reliant on the old state: */ intel->vertex_size = _tnl_install_attrs(ctx, intel->vertex_attrs, intel->vertex_attr_count, intel->ViewportMatrix.m, 0); intel->vertex_size >>= 2; i830->state.Ctx[I830_CTXREG_VF] = v0; i830->state.Ctx[I830_CTXREG_VF2] = v2; i830->state.Ctx[I830_CTXREG_MCSB1] = mcsb1; RENDERINPUTS_COPY(i830->last_index_bitset, index_bitset); k = i830_check_vertex_size(intel, intel->vertex_size); assert(k); }
/* Recalculate all state from scratch. Perhaps not the most * efficient, but this has gotten complex enough that we need * something which is understandable and reliable. */ static GLboolean i830_update_tex_unit(struct intel_context *intel, GLuint unit, GLuint ss3) { GLcontext *ctx = &intel->ctx; struct i830_context *i830 = i830_context(ctx); struct gl_texture_unit *tUnit = &ctx->Texture.Unit[unit]; struct gl_texture_object *tObj = tUnit->_Current; struct intel_texture_object *intelObj = intel_texture_object(tObj); struct gl_texture_image *firstImage; GLuint *state = i830->state.Tex[unit], format, pitch; GLint lodbias; GLubyte border[4]; GLuint dst_x, dst_y; memset(state, 0, sizeof(state)); /*We need to refcount these. */ if (i830->state.tex_buffer[unit] != NULL) { drm_intel_bo_unreference(i830->state.tex_buffer[unit]); i830->state.tex_buffer[unit] = NULL; } if (!intel_finalize_mipmap_tree(intel, unit)) return GL_FALSE; /* Get first image here, since intelObj->firstLevel will get set in * the intel_finalize_mipmap_tree() call above. */ firstImage = tObj->Image[0][intelObj->firstLevel]; intel_miptree_get_image_offset(intelObj->mt, intelObj->firstLevel, 0, 0, &dst_x, &dst_y); drm_intel_bo_reference(intelObj->mt->region->buffer); i830->state.tex_buffer[unit] = intelObj->mt->region->buffer; pitch = intelObj->mt->region->pitch * intelObj->mt->cpp; /* XXX: This calculation is probably broken for tiled images with * a non-page-aligned offset. */ i830->state.tex_offset[unit] = dst_x * intelObj->mt->cpp + dst_y * pitch; format = translate_texture_format(firstImage->TexFormat, firstImage->InternalFormat); state[I830_TEXREG_TM0LI] = (_3DSTATE_LOAD_STATE_IMMEDIATE_2 | (LOAD_TEXTURE_MAP0 << unit) | 4); state[I830_TEXREG_TM0S1] = (((firstImage->Height - 1) << TM0S1_HEIGHT_SHIFT) | ((firstImage->Width - 1) << TM0S1_WIDTH_SHIFT) | format); if (intelObj->mt->region->tiling != I915_TILING_NONE) { state[I830_TEXREG_TM0S1] |= TM0S1_TILED_SURFACE; if (intelObj->mt->region->tiling == I915_TILING_Y) state[I830_TEXREG_TM0S1] |= TM0S1_TILE_WALK; } state[I830_TEXREG_TM0S2] = ((((pitch / 4) - 1) << TM0S2_PITCH_SHIFT) | TM0S2_CUBE_FACE_ENA_MASK); { if (tObj->Target == GL_TEXTURE_CUBE_MAP) state[I830_TEXREG_CUBE] = (_3DSTATE_MAP_CUBE | MAP_UNIT(unit) | CUBE_NEGX_ENABLE | CUBE_POSX_ENABLE | CUBE_NEGY_ENABLE | CUBE_POSY_ENABLE | CUBE_NEGZ_ENABLE | CUBE_POSZ_ENABLE); else state[I830_TEXREG_CUBE] = (_3DSTATE_MAP_CUBE | MAP_UNIT(unit)); } { GLuint minFilt, mipFilt, magFilt; switch (tObj->MinFilter) { case GL_NEAREST: minFilt = FILTER_NEAREST; mipFilt = MIPFILTER_NONE; break; case GL_LINEAR: minFilt = FILTER_LINEAR; mipFilt = MIPFILTER_NONE; break; case GL_NEAREST_MIPMAP_NEAREST: minFilt = FILTER_NEAREST; mipFilt = MIPFILTER_NEAREST; break; case GL_LINEAR_MIPMAP_NEAREST: minFilt = FILTER_LINEAR; mipFilt = MIPFILTER_NEAREST; break; case GL_NEAREST_MIPMAP_LINEAR: minFilt = FILTER_NEAREST; mipFilt = MIPFILTER_LINEAR; break; case GL_LINEAR_MIPMAP_LINEAR: minFilt = FILTER_LINEAR; mipFilt = MIPFILTER_LINEAR; break; default: return GL_FALSE; } if (tObj->MaxAnisotropy > 1.0) { minFilt = FILTER_ANISOTROPIC; magFilt = FILTER_ANISOTROPIC; } else { switch (tObj->MagFilter) { case GL_NEAREST: magFilt = FILTER_NEAREST; break; case GL_LINEAR: magFilt = FILTER_LINEAR; break; default: return GL_FALSE; } } lodbias = (int) ((tUnit->LodBias + tObj->LodBias) * 16.0); if (lodbias < -64) lodbias = -64; if (lodbias > 63) lodbias = 63; state[I830_TEXREG_TM0S3] = ((lodbias << TM0S3_LOD_BIAS_SHIFT) & TM0S3_LOD_BIAS_MASK); #if 0 /* YUV conversion: */ if (firstImage->TexFormat->MesaFormat == MESA_FORMAT_YCBCR || firstImage->TexFormat->MesaFormat == MESA_FORMAT_YCBCR_REV) state[I830_TEXREG_TM0S3] |= SS2_COLORSPACE_CONVERSION; #endif state[I830_TEXREG_TM0S3] |= ((intelObj->lastLevel - intelObj->firstLevel) * 4) << TM0S3_MIN_MIP_SHIFT; state[I830_TEXREG_TM0S3] |= ((minFilt << TM0S3_MIN_FILTER_SHIFT) | (mipFilt << TM0S3_MIP_FILTER_SHIFT) | (magFilt << TM0S3_MAG_FILTER_SHIFT)); } { GLenum ws = tObj->WrapS; GLenum wt = tObj->WrapT; /* 3D textures not available on i830 */ if (tObj->Target == GL_TEXTURE_3D) return GL_FALSE; state[I830_TEXREG_MCS] = (_3DSTATE_MAP_COORD_SET_CMD | MAP_UNIT(unit) | ENABLE_TEXCOORD_PARAMS | ss3 | ENABLE_ADDR_V_CNTL | TEXCOORD_ADDR_V_MODE(translate_wrap_mode(wt)) | ENABLE_ADDR_U_CNTL | TEXCOORD_ADDR_U_MODE(translate_wrap_mode (ws))); } /* convert border color from float to ubyte */ CLAMPED_FLOAT_TO_UBYTE(border[0], tObj->BorderColor.f[0]); CLAMPED_FLOAT_TO_UBYTE(border[1], tObj->BorderColor.f[1]); CLAMPED_FLOAT_TO_UBYTE(border[2], tObj->BorderColor.f[2]); CLAMPED_FLOAT_TO_UBYTE(border[3], tObj->BorderColor.f[3]); state[I830_TEXREG_TM0S4] = PACK_COLOR_8888(border[3], border[0], border[1], border[2]); I830_ACTIVESTATE(i830, I830_UPLOAD_TEX(unit), GL_TRUE); /* memcmp was already disabled, but definitely won't work as the * region might now change and that wouldn't be detected: */ I830_STATECHANGE(i830, I830_UPLOAD_TEX(unit)); return GL_TRUE; }
/* Recalculate all state from scratch. Perhaps not the most * efficient, but this has gotten complex enough that we need * something which is understandable and reliable. */ static GLboolean i830_update_tex_unit(struct intel_context *intel, GLuint unit, GLuint ss3) { GLcontext *ctx = &intel->ctx; struct i830_context *i830 = i830_context(ctx); struct gl_texture_object *tObj = ctx->Texture.Unit[unit]._Current; struct intel_texture_object *intelObj = intel_texture_object(tObj); struct gl_texture_image *firstImage; GLuint *state = i830->state.Tex[unit], format, pitch; memset(state, 0, sizeof(state)); /*We need to refcount these. */ if (i830->state.tex_buffer[unit] != NULL) { dri_bo_unreference(i830->state.tex_buffer[unit]); i830->state.tex_buffer[unit] = NULL; } if (!intelObj->imageOverride && !intel_finalize_mipmap_tree(intel, unit)) return GL_FALSE; /* Get first image here, since intelObj->firstLevel will get set in * the intel_finalize_mipmap_tree() call above. */ firstImage = tObj->Image[0][intelObj->firstLevel]; if (intelObj->imageOverride) { i830->state.tex_buffer[unit] = NULL; i830->state.tex_offset[unit] = intelObj->textureOffset; switch (intelObj->depthOverride) { case 32: format = MAPSURF_32BIT | MT_32BIT_ARGB8888; break; case 24: default: format = MAPSURF_32BIT | MT_32BIT_XRGB8888; break; case 16: format = MAPSURF_16BIT | MT_16BIT_RGB565; break; } pitch = intelObj->pitchOverride; } else { dri_bo_reference(intelObj->mt->region->buffer); i830->state.tex_buffer[unit] = intelObj->mt->region->buffer; i830->state.tex_offset[unit] = intel_miptree_image_offset(intelObj->mt, 0, intelObj-> firstLevel); format = translate_texture_format(firstImage->TexFormat->MesaFormat); pitch = intelObj->mt->pitch * intelObj->mt->cpp; } state[I830_TEXREG_TM0LI] = (_3DSTATE_LOAD_STATE_IMMEDIATE_2 | (LOAD_TEXTURE_MAP0 << unit) | 4); /* state[I830_TEXREG_TM0S0] = (TM0S0_USE_FENCE | */ /* t->intel.TextureOffset); */ state[I830_TEXREG_TM0S1] = (((firstImage->Height - 1) << TM0S1_HEIGHT_SHIFT) | ((firstImage->Width - 1) << TM0S1_WIDTH_SHIFT) | format); state[I830_TEXREG_TM0S2] = ((((pitch / 4) - 1) << TM0S2_PITCH_SHIFT) | TM0S2_CUBE_FACE_ENA_MASK); { if (tObj->Target == GL_TEXTURE_CUBE_MAP) state[I830_TEXREG_CUBE] = (_3DSTATE_MAP_CUBE | MAP_UNIT(unit) | CUBE_NEGX_ENABLE | CUBE_POSX_ENABLE | CUBE_NEGY_ENABLE | CUBE_POSY_ENABLE | CUBE_NEGZ_ENABLE | CUBE_POSZ_ENABLE); else state[I830_TEXREG_CUBE] = (_3DSTATE_MAP_CUBE | MAP_UNIT(unit)); } { GLuint minFilt, mipFilt, magFilt; switch (tObj->MinFilter) { case GL_NEAREST: minFilt = FILTER_NEAREST; mipFilt = MIPFILTER_NONE; break; case GL_LINEAR: minFilt = FILTER_LINEAR; mipFilt = MIPFILTER_NONE; break; case GL_NEAREST_MIPMAP_NEAREST: minFilt = FILTER_NEAREST; mipFilt = MIPFILTER_NEAREST; break; case GL_LINEAR_MIPMAP_NEAREST: minFilt = FILTER_LINEAR; mipFilt = MIPFILTER_NEAREST; break; case GL_NEAREST_MIPMAP_LINEAR: minFilt = FILTER_NEAREST; mipFilt = MIPFILTER_LINEAR; break; case GL_LINEAR_MIPMAP_LINEAR: minFilt = FILTER_LINEAR; mipFilt = MIPFILTER_LINEAR; break; default: return GL_FALSE; } if (tObj->MaxAnisotropy > 1.0) { minFilt = FILTER_ANISOTROPIC; magFilt = FILTER_ANISOTROPIC; } else { switch (tObj->MagFilter) { case GL_NEAREST: magFilt = FILTER_NEAREST; break; case GL_LINEAR: magFilt = FILTER_LINEAR; break; default: return GL_FALSE; } } state[I830_TEXREG_TM0S3] = i830->lodbias_tm0s3[unit]; #if 0 /* YUV conversion: */ if (firstImage->TexFormat->MesaFormat == MESA_FORMAT_YCBCR || firstImage->TexFormat->MesaFormat == MESA_FORMAT_YCBCR_REV) state[I830_TEXREG_TM0S3] |= SS2_COLORSPACE_CONVERSION; #endif state[I830_TEXREG_TM0S3] |= ((intelObj->lastLevel - intelObj->firstLevel) * 4) << TM0S3_MIN_MIP_SHIFT; state[I830_TEXREG_TM0S3] |= ((minFilt << TM0S3_MIN_FILTER_SHIFT) | (mipFilt << TM0S3_MIP_FILTER_SHIFT) | (magFilt << TM0S3_MAG_FILTER_SHIFT)); } { GLenum ws = tObj->WrapS; GLenum wt = tObj->WrapT; /* 3D textures not available on i830 */ if (tObj->Target == GL_TEXTURE_3D) return GL_FALSE; state[I830_TEXREG_MCS] = (_3DSTATE_MAP_COORD_SET_CMD | MAP_UNIT(unit) | ENABLE_TEXCOORD_PARAMS | ss3 | ENABLE_ADDR_V_CNTL | TEXCOORD_ADDR_V_MODE(translate_wrap_mode(wt)) | ENABLE_ADDR_U_CNTL | TEXCOORD_ADDR_U_MODE(translate_wrap_mode (ws))); } state[I830_TEXREG_TM0S4] = INTEL_PACKCOLOR8888(tObj->_BorderChan[0], tObj->_BorderChan[1], tObj->_BorderChan[2], tObj->_BorderChan[3]); I830_ACTIVESTATE(i830, I830_UPLOAD_TEX(unit), GL_TRUE); /* memcmp was already disabled, but definitely won't work as the * region might now change and that wouldn't be detected: */ I830_STATECHANGE(i830, I830_UPLOAD_TEX(unit)); return GL_TRUE; }
static void i830TexEnv( GLcontext *ctx, GLenum target, GLenum pname, const GLfloat *param ) { i830ContextPtr i830 = I830_CONTEXT( ctx ); GLuint unit = ctx->Texture.CurrentUnit; switch (pname) { case GL_TEXTURE_ENV_COLOR: #if 0 { GLubyte r, g, b, a; GLuint col; UNCLAMPED_FLOAT_TO_UBYTE(r, param[RCOMP]); UNCLAMPED_FLOAT_TO_UBYTE(g, param[GCOMP]); UNCLAMPED_FLOAT_TO_UBYTE(b, param[BCOMP]); UNCLAMPED_FLOAT_TO_UBYTE(a, param[ACOMP]); col = ((a << 24) | (r << 16) | (g << 8) | b); if (col != i830->state.TexEnv[unit][I830_TEXENVREG_COL1]) { I830_STATECHANGE(i830, I830_UPLOAD_TEXENV); i830->state.TexEnv[unit][I830_TEXENVREG_COL1] = col; } break; } #endif case GL_TEXTURE_ENV_MODE: case GL_COMBINE_RGB: case GL_COMBINE_ALPHA: case GL_SOURCE0_RGB: case GL_SOURCE1_RGB: case GL_SOURCE2_RGB: case GL_SOURCE0_ALPHA: case GL_SOURCE1_ALPHA: case GL_SOURCE2_ALPHA: case GL_OPERAND0_RGB: case GL_OPERAND1_RGB: case GL_OPERAND2_RGB: case GL_OPERAND0_ALPHA: case GL_OPERAND1_ALPHA: case GL_OPERAND2_ALPHA: case GL_RGB_SCALE: case GL_ALPHA_SCALE: break; case GL_TEXTURE_LOD_BIAS: { int b = (int) ((*param) * 16.0); if (b > 63) b = 63; if (b < -64) b = -64; I830_STATECHANGE(i830, I830_UPLOAD_TEX(unit)); i830->state.Tex[unit][I830_TEXREG_TM0S3] &= ~TM0S3_LOD_BIAS_MASK; i830->state.Tex[unit][I830_TEXREG_TM0S3] |= ((b << TM0S3_LOD_BIAS_SHIFT) & TM0S3_LOD_BIAS_MASK); break; } default: break; } }