diff options
Diffstat (limited to 'src/mesa/drivers/dri/i810/i810tex.c')
-rw-r--r-- | src/mesa/drivers/dri/i810/i810tex.c | 546 |
1 files changed, 0 insertions, 546 deletions
diff --git a/src/mesa/drivers/dri/i810/i810tex.c b/src/mesa/drivers/dri/i810/i810tex.c deleted file mode 100644 index dba4ebaa5c7..00000000000 --- a/src/mesa/drivers/dri/i810/i810tex.c +++ /dev/null @@ -1,546 +0,0 @@ -/* - * GLX Hardware Device Driver for Intel i810 - * Copyright (C) 1999 Keith Whitwell - * - * 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, sublicense, - * 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 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 NONINFRINGEMENT. IN NO EVENT SHALL - * KEITH WHITWELL, OR ANY OTHER CONTRIBUTORS 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 "main/glheader.h" -#include "main/mtypes.h" -#include "main/imports.h" -#include "main/simple_list.h" -#include "main/enums.h" -#include "main/texstore.h" -#include "main/teximage.h" -#include "main/texobj.h" -#include "main/colormac.h" -#include "main/mm.h" - -#include "texmem.h" - -#include "i810screen.h" -#include "i810_dri.h" - -#include "i810context.h" -#include "i810tex.h" -#include "i810ioctl.h" - - -/* - * Compute the 'S2.4' lod bias factor from the floating point OpenGL bias. - */ -static GLuint i810ComputeLodBias(GLfloat bias) -{ - int b = (int) (bias * 16.0) + 12; - if (b > 63) - b = 63; - else if (b < -64) - b = -64; - return (GLuint) (b & MLC_LOD_BIAS_MASK); -} - - -static void i810SetTexWrapping(i810TextureObjectPtr tex, - GLenum swrap, GLenum twrap) -{ - tex->Setup[I810_TEXREG_MCS] &= ~(MCS_U_STATE_MASK| MCS_V_STATE_MASK); - - switch( swrap ) { - case GL_REPEAT: - tex->Setup[I810_TEXREG_MCS] |= MCS_U_WRAP; - break; - case GL_CLAMP: - case GL_CLAMP_TO_EDGE: - tex->Setup[I810_TEXREG_MCS] |= MCS_U_CLAMP; - break; - case GL_MIRRORED_REPEAT: - tex->Setup[I810_TEXREG_MCS] |= MCS_U_MIRROR; - break; - default: - _mesa_problem(NULL, "bad S wrap mode in %s", __FUNCTION__); - } - - switch( twrap ) { - case GL_REPEAT: - tex->Setup[I810_TEXREG_MCS] |= MCS_V_WRAP; - break; - case GL_CLAMP: - case GL_CLAMP_TO_EDGE: - tex->Setup[I810_TEXREG_MCS] |= MCS_V_CLAMP; - break; - case GL_MIRRORED_REPEAT: - tex->Setup[I810_TEXREG_MCS] |= MCS_V_MIRROR; - break; - default: - _mesa_problem(NULL, "bad T wrap mode in %s", __FUNCTION__); - } -} - - -static void i810SetTexFilter(i810ContextPtr imesa, - i810TextureObjectPtr t, - GLenum minf, GLenum magf, - GLfloat bias) -{ - t->Setup[I810_TEXREG_MF] &= ~(MF_MIN_MASK| - MF_MAG_MASK| - MF_MIP_MASK); - t->Setup[I810_TEXREG_MLC] &= ~(MLC_LOD_BIAS_MASK); - - switch (minf) { - case GL_NEAREST: - t->Setup[I810_TEXREG_MF] |= MF_MIN_NEAREST | MF_MIP_NONE; - break; - case GL_LINEAR: - t->Setup[I810_TEXREG_MF] |= MF_MIN_LINEAR | MF_MIP_NONE; - break; - case GL_NEAREST_MIPMAP_NEAREST: - t->Setup[I810_TEXREG_MF] |= MF_MIN_NEAREST | MF_MIP_NEAREST; - if (magf == GL_LINEAR) { - /*bias -= 0.5;*/ /* this doesn't work too good */ - } - break; - case GL_LINEAR_MIPMAP_NEAREST: - t->Setup[I810_TEXREG_MF] |= MF_MIN_LINEAR | MF_MIP_NEAREST; - break; - case GL_NEAREST_MIPMAP_LINEAR: - if (IS_I815(imesa)) - t->Setup[I810_TEXREG_MF] |= MF_MIN_NEAREST | MF_MIP_LINEAR; - else - t->Setup[I810_TEXREG_MF] |= MF_MIN_NEAREST | MF_MIP_DITHER; - /* - if (magf == GL_LINEAR) { - bias -= 0.5; - } - */ - bias -= 0.5; /* always biasing here looks better */ - break; - case GL_LINEAR_MIPMAP_LINEAR: - if (IS_I815(imesa)) - t->Setup[I810_TEXREG_MF] |= MF_MIN_LINEAR | MF_MIP_LINEAR; - else - t->Setup[I810_TEXREG_MF] |= MF_MIN_LINEAR | MF_MIP_DITHER; - break; - default: - return; - } - - switch (magf) { - case GL_NEAREST: - t->Setup[I810_TEXREG_MF] |= MF_MAG_NEAREST; - break; - case GL_LINEAR: - t->Setup[I810_TEXREG_MF] |= MF_MAG_LINEAR; - break; - default: - return; - } - - t->Setup[I810_TEXREG_MLC] |= i810ComputeLodBias(bias); -} - - -static void -i810SetTexBorderColor( i810TextureObjectPtr t, const GLfloat color[4] ) -{ - /* Need a fallback. - */ -} - - -static i810TextureObjectPtr -i810AllocTexObj( struct gl_context *ctx, struct gl_texture_object *texObj ) -{ - i810TextureObjectPtr t; - i810ContextPtr imesa = I810_CONTEXT(ctx); - - t = CALLOC_STRUCT( i810_texture_object_t ); - texObj->DriverData = t; - if ( t != NULL ) { - GLfloat bias = ctx->Texture.Unit[ctx->Texture.CurrentUnit].LodBias; - /* Initialize non-image-dependent parts of the state: - */ - t->base.tObj = texObj; - t->Setup[I810_TEXREG_MI0] = GFX_OP_MAP_INFO; - t->Setup[I810_TEXREG_MI1] = MI1_MAP_0; - t->Setup[I810_TEXREG_MI2] = MI2_DIMENSIONS_ARE_LOG2; - t->Setup[I810_TEXREG_MLC] = (GFX_OP_MAP_LOD_CTL | - MLC_MAP_0 | - /*MLC_DITHER_WEIGHT_FULL |*/ - MLC_DITHER_WEIGHT_12 | - MLC_UPDATE_LOD_BIAS | - 0x0); - t->Setup[I810_TEXREG_MCS] = (GFX_OP_MAP_COORD_SETS | - MCS_COORD_0 | - MCS_UPDATE_NORMALIZED | - MCS_NORMALIZED_COORDS | - MCS_UPDATE_V_STATE | - MCS_V_WRAP | - MCS_UPDATE_U_STATE | - MCS_U_WRAP); - t->Setup[I810_TEXREG_MF] = (GFX_OP_MAP_FILTER | - MF_MAP_0 | - MF_UPDATE_ANISOTROPIC | - MF_UPDATE_MIP_FILTER | - MF_UPDATE_MAG_FILTER | - MF_UPDATE_MIN_FILTER); - - make_empty_list( & t->base ); - - i810SetTexWrapping( t, texObj->Sampler.WrapS, texObj->Sampler.WrapT ); - /*i830SetTexMaxAnisotropy( t, texObj->MaxAnisotropy );*/ - i810SetTexFilter( imesa, t, texObj->Sampler.MinFilter, texObj->Sampler.MagFilter, bias ); - i810SetTexBorderColor( t, texObj->Sampler.BorderColor.f ); - } - - return t; -} - - -static void i810TexParameter( struct gl_context *ctx, GLenum target, - struct gl_texture_object *tObj, - GLenum pname, const GLfloat *params ) -{ - i810ContextPtr imesa = I810_CONTEXT(ctx); - i810TextureObjectPtr t = (i810TextureObjectPtr) tObj->DriverData; - - if (!t) - return; - - if ( target != GL_TEXTURE_2D ) - return; - - /* Can't do the update now as we don't know whether to flush - * vertices or not. Setting imesa->new_state means that - * i810UpdateTextureState() will be called before any triangles are - * rendered. If a statechange has occurred, it will be detected at - * that point, and buffered vertices flushed. - */ - switch (pname) { - case GL_TEXTURE_MIN_FILTER: - case GL_TEXTURE_MAG_FILTER: - { - GLfloat bias = ctx->Texture.Unit[ctx->Texture.CurrentUnit].LodBias; - i810SetTexFilter( imesa, t, tObj->Sampler.MinFilter, tObj->Sampler.MagFilter, bias ); - } - break; - - case GL_TEXTURE_WRAP_S: - case GL_TEXTURE_WRAP_T: - i810SetTexWrapping( t, tObj->Sampler.WrapS, tObj->Sampler.WrapT ); - break; - - case GL_TEXTURE_BORDER_COLOR: - i810SetTexBorderColor( t, tObj->Sampler.BorderColor.f ); - break; - - case GL_TEXTURE_BASE_LEVEL: - case GL_TEXTURE_MAX_LEVEL: - case GL_TEXTURE_MIN_LOD: - case GL_TEXTURE_MAX_LOD: - /* This isn't the most efficient solution but there doesn't appear to - * be a nice alternative for Radeon. Since there's no LOD clamping, - * we just have to rely on loading the right subset of mipmap levels - * to simulate a clamped LOD. - */ - I810_FIREVERTICES( I810_CONTEXT(ctx) ); - driSwapOutTextureObject( (driTextureObject *) t ); - break; - - default: - return; - } - - if (t == imesa->CurrentTexObj[0]) { - I810_STATECHANGE( imesa, I810_UPLOAD_TEX0 ); - } - - if (t == imesa->CurrentTexObj[1]) { - I810_STATECHANGE( imesa, I810_UPLOAD_TEX1 ); - } -} - - -/** - * Setup hardware bits for new texture environment settings. - * - * \todo - * Determine whether or not \c param can be used instead of - * \c texUnit->EnvColor in the \c GL_TEXTURE_ENV_COLOR case. - */ -static void i810TexEnv( struct gl_context *ctx, GLenum target, - GLenum pname, const GLfloat *param ) -{ - i810ContextPtr imesa = I810_CONTEXT( ctx ); - const GLuint unit = ctx->Texture.CurrentUnit; - const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit]; - - /* Only one env color. Need a fallback if env colors are different - * and texture setup references env color in both units. - */ - switch (pname) { - case GL_TEXTURE_ENV_COLOR: { - GLubyte c[4]; - GLuint envColor; - - UNCLAMPED_FLOAT_TO_RGBA_CHAN( c, texUnit->EnvColor ); - envColor = PACK_COLOR_8888( c[3], c[0], c[1], c[2] ); - - if (imesa->Setup[I810_CTXREG_CF1] != envColor) { - I810_STATECHANGE(imesa, I810_UPLOAD_CTX); - imesa->Setup[I810_CTXREG_CF1] = envColor; - } - break; - } - - case GL_TEXTURE_ENV_MODE: - imesa->TexEnvImageFmt[unit] = 0; /* force recalc of env state */ - break; - - case GL_TEXTURE_LOD_BIAS: { - if ( texUnit->_Current != NULL ) { - const struct gl_texture_object *tObj = texUnit->_Current; - i810TextureObjectPtr t = (i810TextureObjectPtr) tObj->DriverData; - - t->Setup[I810_TEXREG_MLC] &= ~(MLC_LOD_BIAS_MASK); - t->Setup[I810_TEXREG_MLC] |= i810ComputeLodBias(*param); - } - break; - } - - default: - break; - } -} - - - -#if 0 -static void i810TexImage1D( struct gl_context *ctx, GLenum target, GLint level, - GLint internalFormat, - GLint width, GLint border, - GLenum format, GLenum type, - const GLvoid *pixels, - const struct gl_pixelstore_attrib *pack, - struct gl_texture_object *texObj, - struct gl_texture_image *texImage ) -{ - i810TextureObjectPtr t = (i810TextureObjectPtr) texObj->DriverData; - if (t) { - i810SwapOutTexObj( imesa, t ); - } -} - -static void i810TexSubImage1D( struct gl_context *ctx, - GLenum target, - GLint level, - GLint xoffset, - GLsizei width, - GLenum format, GLenum type, - const GLvoid *pixels, - const struct gl_pixelstore_attrib *pack, - struct gl_texture_object *texObj, - struct gl_texture_image *texImage ) -{ -} -#endif - - -static void i810TexImage2D( struct gl_context *ctx, GLenum target, GLint level, - GLint internalFormat, - GLint width, GLint height, GLint border, - GLenum format, GLenum type, const GLvoid *pixels, - const struct gl_pixelstore_attrib *packing, - struct gl_texture_object *texObj, - struct gl_texture_image *texImage ) -{ - driTextureObject *t = (driTextureObject *) texObj->DriverData; - if (t) { - I810_FIREVERTICES( I810_CONTEXT(ctx) ); - driSwapOutTextureObject( t ); - } - else { - t = (driTextureObject *) i810AllocTexObj( ctx, texObj ); - if (!t) { - _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage2D"); - return; - } - } - _mesa_store_teximage2d( ctx, target, level, internalFormat, - width, height, border, format, type, - pixels, packing, texObj, texImage ); -} - -static void i810TexSubImage2D( struct gl_context *ctx, - GLenum target, - GLint level, - GLint xoffset, GLint yoffset, - GLsizei width, GLsizei height, - GLenum format, GLenum type, - const GLvoid *pixels, - const struct gl_pixelstore_attrib *packing, - struct gl_texture_object *texObj, - struct gl_texture_image *texImage ) -{ - driTextureObject *t = (driTextureObject *)texObj->DriverData; - if (t) { - I810_FIREVERTICES( I810_CONTEXT(ctx) ); - driSwapOutTextureObject( t ); - } - _mesa_store_texsubimage2d(ctx, target, level, xoffset, yoffset, width, - height, format, type, pixels, packing, texObj, - texImage); -} - - -static void i810BindTexture( struct gl_context *ctx, GLenum target, - struct gl_texture_object *tObj ) -{ - assert( (target != GL_TEXTURE_2D) || (tObj->DriverData != NULL) ); -} - - -static void i810DeleteTexture( struct gl_context *ctx, struct gl_texture_object *tObj ) -{ - driTextureObject * t = (driTextureObject *) tObj->DriverData; - if (t) { - i810ContextPtr imesa = I810_CONTEXT( ctx ); - if (imesa) - I810_FIREVERTICES( imesa ); - driDestroyTextureObject( t ); - } - /* Free mipmap images and the texture object itself */ - _mesa_delete_texture_object(ctx, tObj); -} - -/** - * Choose a Mesa texture format to match the requested format. - * - * The i810 only supports 5 texture modes that are useful to Mesa. That - * makes this routine pretty simple. - */ -static gl_format -i810ChooseTextureFormat( struct gl_context *ctx, GLint internalFormat, - GLenum format, GLenum type ) -{ - switch ( internalFormat ) { - case 4: - case GL_RGBA: - case GL_RGBA2: - case GL_RGBA4: - case GL_RGB5_A1: - case GL_RGBA8: - case GL_RGB10_A2: - case GL_RGBA12: - case GL_RGBA16: - case GL_COMPRESSED_RGBA: - if ( ((format == GL_BGRA) && (type == GL_UNSIGNED_SHORT_1_5_5_5_REV)) - || ((format == GL_RGBA) && (type == GL_UNSIGNED_SHORT_5_5_5_1)) - || (internalFormat == GL_RGB5_A1) ) { - return MESA_FORMAT_ARGB1555; - } - return MESA_FORMAT_ARGB4444; - - case 3: - case GL_RGB: - case GL_COMPRESSED_RGB: - case GL_R3_G3_B2: - case GL_RGB4: - case GL_RGB5: - case GL_RGB8: - case GL_RGB10: - case GL_RGB12: - case GL_RGB16: - return MESA_FORMAT_RGB565; - - case GL_ALPHA: - case GL_ALPHA4: - case GL_ALPHA8: - case GL_ALPHA12: - case GL_ALPHA16: - case GL_COMPRESSED_ALPHA: - case 1: - case GL_LUMINANCE: - case GL_LUMINANCE4: - case GL_LUMINANCE8: - case GL_LUMINANCE12: - case GL_LUMINANCE16: - case GL_COMPRESSED_LUMINANCE: - case 2: - case GL_LUMINANCE_ALPHA: - case GL_LUMINANCE4_ALPHA4: - case GL_LUMINANCE6_ALPHA2: - case GL_LUMINANCE8_ALPHA8: - case GL_LUMINANCE12_ALPHA4: - case GL_LUMINANCE12_ALPHA12: - case GL_LUMINANCE16_ALPHA16: - case GL_COMPRESSED_LUMINANCE_ALPHA: - case GL_INTENSITY: - case GL_INTENSITY4: - case GL_INTENSITY8: - case GL_INTENSITY12: - case GL_INTENSITY16: - case GL_COMPRESSED_INTENSITY: - return MESA_FORMAT_AL88; - - case GL_YCBCR_MESA: - if (type == GL_UNSIGNED_SHORT_8_8_MESA || - type == GL_UNSIGNED_BYTE) - return MESA_FORMAT_YCBCR; - else - return MESA_FORMAT_YCBCR_REV; - - default: - fprintf(stderr, "unexpected texture format in %s\n", __FUNCTION__); - return MESA_FORMAT_NONE; - } - - return MESA_FORMAT_NONE; /* never get here */ -} - -/** - * Allocate a new texture object. - * Called via ctx->Driver.NewTextureObject. - * Note: this function will be called during context creation to - * allocate the default texture objects. - * Note: we could use containment here to 'derive' the driver-specific - * texture object from the core mesa gl_texture_object. Not done at this time. - */ -static struct gl_texture_object * -i810NewTextureObject( struct gl_context *ctx, GLuint name, GLenum target ) -{ - struct gl_texture_object *obj; - obj = _mesa_new_texture_object(ctx, name, target); - i810AllocTexObj( ctx, obj ); - return obj; -} - -void i810InitTextureFuncs( struct dd_function_table *functions ) -{ - functions->ChooseTextureFormat = i810ChooseTextureFormat; - functions->TexImage2D = i810TexImage2D; - functions->TexSubImage2D = i810TexSubImage2D; - functions->BindTexture = i810BindTexture; - functions->NewTextureObject = i810NewTextureObject; - functions->DeleteTexture = i810DeleteTexture; - functions->TexParameter = i810TexParameter; - functions->TexEnv = i810TexEnv; - functions->IsTextureResident = driIsTextureResident; -} |