From 6b9e31f3eb3dbe20cbc8493b963bbc6530e392c6 Mon Sep 17 00:00:00 2001 From: Keith Whitwell Date: Wed, 1 Nov 2006 12:03:11 +0000 Subject: Import texmem i915 driver to its new location as i915tex. --- src/mesa/drivers/dri/i915tex/i915_texstate.c | 338 +++++++++++++++++++++++++++ 1 file changed, 338 insertions(+) create mode 100644 src/mesa/drivers/dri/i915tex/i915_texstate.c (limited to 'src/mesa/drivers/dri/i915tex/i915_texstate.c') diff --git a/src/mesa/drivers/dri/i915tex/i915_texstate.c b/src/mesa/drivers/dri/i915tex/i915_texstate.c new file mode 100644 index 0000000000..e0ecdfde24 --- /dev/null +++ b/src/mesa/drivers/dri/i915tex/i915_texstate.c @@ -0,0 +1,338 @@ +/************************************************************************** + * + * 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 "mtypes.h" +#include "enums.h" +#include "texformat.h" +#include "dri_bufmgr.h" + +#include "intel_mipmap_tree.h" +#include "intel_tex.h" + +#include "i915_context.h" +#include "i915_reg.h" + + +static GLuint +translate_texture_format(GLuint mesa_format) +{ + switch (mesa_format) { + case MESA_FORMAT_L8: + return MAPSURF_8BIT | MT_8BIT_L8; + case MESA_FORMAT_I8: + return MAPSURF_8BIT | MT_8BIT_I8; + case MESA_FORMAT_A8: + return MAPSURF_8BIT | MT_8BIT_A8; + case MESA_FORMAT_AL88: + return MAPSURF_16BIT | MT_16BIT_AY88; + case MESA_FORMAT_RGB565: + return MAPSURF_16BIT | MT_16BIT_RGB565; + case MESA_FORMAT_ARGB1555: + return MAPSURF_16BIT | MT_16BIT_ARGB1555; + case MESA_FORMAT_ARGB4444: + return MAPSURF_16BIT | MT_16BIT_ARGB4444; + case MESA_FORMAT_ARGB8888: + return MAPSURF_32BIT | MT_32BIT_ARGB8888; + case MESA_FORMAT_YCBCR_REV: + return (MAPSURF_422 | MT_422_YCRCB_NORMAL); + case MESA_FORMAT_YCBCR: + return (MAPSURF_422 | MT_422_YCRCB_SWAPY); + case MESA_FORMAT_RGB_FXT1: + case MESA_FORMAT_RGBA_FXT1: + return (MAPSURF_COMPRESSED | MT_COMPRESS_FXT1); + case MESA_FORMAT_Z16: + return (MAPSURF_16BIT | MT_16BIT_L16); + case MESA_FORMAT_RGBA_DXT1: + case MESA_FORMAT_RGB_DXT1: + return (MAPSURF_COMPRESSED | MT_COMPRESS_DXT1); + case MESA_FORMAT_RGBA_DXT3: + return (MAPSURF_COMPRESSED | MT_COMPRESS_DXT2_3); + case MESA_FORMAT_RGBA_DXT5: + return (MAPSURF_COMPRESSED | MT_COMPRESS_DXT4_5); + case MESA_FORMAT_Z24_S8: + return (MAPSURF_32BIT | MT_32BIT_xL824); + default: + fprintf(stderr, "%s: bad image format %x\n", __FUNCTION__, mesa_format); + abort(); + return 0; + } +} + + + + +/* 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 GLuint +translate_wrap_mode(GLenum wrap) +{ + switch (wrap) { + case GL_REPEAT: + return TEXCOORDMODE_WRAP; + case GL_CLAMP: + return TEXCOORDMODE_CLAMP_EDGE; /* not quite correct */ + case GL_CLAMP_TO_EDGE: + return TEXCOORDMODE_CLAMP_EDGE; + case GL_CLAMP_TO_BORDER: + return TEXCOORDMODE_CLAMP_BORDER; + case GL_MIRRORED_REPEAT: + return TEXCOORDMODE_MIRROR; + default: + return TEXCOORDMODE_WRAP; + } +} + + + +/* 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 +i915_update_tex_unit(struct intel_context *intel, GLuint unit, GLuint ss3) +{ + GLcontext *ctx = &intel->ctx; + struct i915_context *i915 = i915_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 = i915->state.Tex[unit]; + + memset(state, 0, sizeof(state)); + + /*We need to refcount these. */ + + if (i915->state.tex_buffer[unit] != NULL) { + driBOUnReference(i915->state.tex_buffer[unit]); + i915->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]; + + i915->state.tex_buffer[unit] = driBOReference(intelObj->mt->region->buffer); + i915->state.tex_offset[unit] = intel_miptree_image_offset(intelObj->mt, 0, + intelObj-> + firstLevel); + + state[I915_TEXREG_MS3] = + (((firstImage->Height - 1) << MS3_HEIGHT_SHIFT) | + ((firstImage->Width - 1) << MS3_WIDTH_SHIFT) | + translate_texture_format(firstImage->TexFormat->MesaFormat) | + MS3_USE_FENCE_REGS); + + state[I915_TEXREG_MS4] = + (((((intelObj->mt->pitch * intelObj->mt->cpp) / 4) - + 1) << MS4_PITCH_SHIFT) | MS4_CUBE_FACE_ENA_MASK | + ((((intelObj->lastLevel - + intelObj->firstLevel) * + 4)) << MS4_MAX_LOD_SHIFT) | ((firstImage->Depth - + 1) << MS4_VOLUME_DEPTH_SHIFT)); + + + { + 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[I915_TEXREG_SS2] = i915->lodbias_ss2[unit]; + + /* YUV conversion: + */ + if (firstImage->TexFormat->MesaFormat == MESA_FORMAT_YCBCR || + firstImage->TexFormat->MesaFormat == MESA_FORMAT_YCBCR_REV) + state[I915_TEXREG_SS2] |= SS2_COLORSPACE_CONVERSION; + + /* Shadow: + */ + if (tObj->CompareMode == GL_COMPARE_R_TO_TEXTURE_ARB && + tObj->Target != GL_TEXTURE_3D) { + + state[I915_TEXREG_SS2] |= + (SS2_SHADOW_ENABLE | + intel_translate_compare_func(tObj->CompareFunc)); + + minFilt = FILTER_4X4_FLAT; + magFilt = FILTER_4X4_FLAT; + } + + state[I915_TEXREG_SS2] |= ((minFilt << SS2_MIN_FILTER_SHIFT) | + (mipFilt << SS2_MIP_FILTER_SHIFT) | + (magFilt << SS2_MAG_FILTER_SHIFT)); + } + + { + GLenum ws = tObj->WrapS; + GLenum wt = tObj->WrapT; + GLenum wr = tObj->WrapR; + + + /* 3D textures don't seem to respect the border color. + * Fallback if there's ever a danger that they might refer to + * it. + * + * Effectively this means fallback on 3D clamp or + * clamp_to_border. + */ + if (tObj->Target == GL_TEXTURE_3D && + (tObj->MinFilter != GL_NEAREST || + tObj->MagFilter != GL_NEAREST) && + (ws == GL_CLAMP || + wt == GL_CLAMP || + wr == GL_CLAMP || + ws == GL_CLAMP_TO_BORDER || + wt == GL_CLAMP_TO_BORDER || wr == GL_CLAMP_TO_BORDER)) + return GL_FALSE; + + + state[I915_TEXREG_SS3] = ss3; /* SS3_NORMALIZED_COORDS */ + + state[I915_TEXREG_SS3] |= + ((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)); + + state[I915_TEXREG_SS3] |= (unit << SS3_TEXTUREMAP_INDEX_SHIFT); + } + + + state[I915_TEXREG_SS4] = INTEL_PACKCOLOR8888(tObj->_BorderChan[0], + tObj->_BorderChan[1], + tObj->_BorderChan[2], + tObj->_BorderChan[3]); + + + I915_ACTIVESTATE(i915, I915_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: + */ + I915_STATECHANGE(i915, I915_UPLOAD_TEX(unit)); + + +#if 0 + DBG(TEXTURE, "state[I915_TEXREG_SS2] = 0x%x\n", state[I915_TEXREG_SS2]); + DBG(TEXTURE, "state[I915_TEXREG_SS3] = 0x%x\n", state[I915_TEXREG_SS3]); + DBG(TEXTURE, "state[I915_TEXREG_SS4] = 0x%x\n", state[I915_TEXREG_SS4]); + DBG(TEXTURE, "state[I915_TEXREG_MS2] = 0x%x\n", state[I915_TEXREG_MS2]); + DBG(TEXTURE, "state[I915_TEXREG_MS3] = 0x%x\n", state[I915_TEXREG_MS3]); + DBG(TEXTURE, "state[I915_TEXREG_MS4] = 0x%x\n", state[I915_TEXREG_MS4]); +#endif + + return GL_TRUE; +} + + + + +void +i915UpdateTextureState(struct intel_context *intel) +{ + GLboolean ok = GL_TRUE; + GLuint i; + + for (i = 0; i < I915_TEX_UNITS && ok; i++) { + switch (intel->ctx.Texture.Unit[i]._ReallyEnabled) { + case TEXTURE_1D_BIT: + case TEXTURE_2D_BIT: + case TEXTURE_CUBE_BIT: + case TEXTURE_3D_BIT: + ok = i915_update_tex_unit(intel, i, SS3_NORMALIZED_COORDS); + break; + case TEXTURE_RECT_BIT: + ok = i915_update_tex_unit(intel, i, 0); + break; + case 0:{ + struct i915_context *i915 = i915_context(&intel->ctx); + if (i915->state.active & I915_UPLOAD_TEX(i)) + I915_ACTIVESTATE(i915, I915_UPLOAD_TEX(i), GL_FALSE); + + if (i915->state.tex_buffer[i] != NULL) { + driBOUnReference(i915->state.tex_buffer[i]); + i915->state.tex_buffer[i] = NULL; + } + + break; + } + default: + ok = GL_FALSE; + break; + } + } + + FALLBACK(intel, I915_FALLBACK_TEXTURE, !ok); +} -- cgit v1.2.3