X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;ds=sidebyside;f=src%2Fmesa%2Fdrivers%2Fdri%2Fi915%2Fi830_texblend.c;h=43328375e31a8a79efa57cdb26c1368f502dfa84;hb=70966570f3e4275dc15b5a94c70698f6aef64150;hp=e30b2dfd13889ccf5c2d1b53e671d281c787ca52;hpb=41b58954e1742493452b91d9ecdb761db5de3bed;p=mesa.git diff --git a/src/mesa/drivers/dri/i915/i830_texblend.c b/src/mesa/drivers/dri/i915/i830_texblend.c index e30b2dfd138..43328375e31 100644 --- a/src/mesa/drivers/dri/i915/i830_texblend.c +++ b/src/mesa/drivers/dri/i915/i830_texblend.c @@ -3,20 +3,36 @@ * 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 "glheader.h" -#include "macros.h" -#include "mtypes.h" -#include "simple_list.h" -#include "enums.h" -#include "texformat.h" -#include "texstore.h" - -#include "mm.h" +#include "main/glheader.h" +#include "main/macros.h" +#include "main/mtypes.h" +#include "main/simple_list.h" +#include "main/enums.h" +#include "main/mm.h" #include "intel_screen.h" -#include "intel_ioctl.h" #include "intel_tex.h" #include "i830_context.h" @@ -26,46 +42,42 @@ /* ================================================================ * Texture combine functions */ -static GLuint pass_through( GLuint *state, GLuint blendUnit ) +static GLuint +pass_through(GLuint * state, GLuint blendUnit) { state[0] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) | - TEXPIPE_COLOR | - ENABLE_TEXOUTPUT_WRT_SEL | - TEXOP_OUTPUT_CURRENT | - DISABLE_TEX_CNTRL_STAGE | - TEXOP_SCALE_1X | - TEXOP_MODIFY_PARMS | - TEXBLENDOP_ARG1); + TEXPIPE_COLOR | + ENABLE_TEXOUTPUT_WRT_SEL | + TEXOP_OUTPUT_CURRENT | + DISABLE_TEX_CNTRL_STAGE | + TEXOP_SCALE_1X | TEXOP_MODIFY_PARMS | TEXBLENDOP_ARG1); state[1] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) | - TEXPIPE_ALPHA | - ENABLE_TEXOUTPUT_WRT_SEL | - TEXOP_OUTPUT_CURRENT | - TEXOP_SCALE_1X | - TEXOP_MODIFY_PARMS | - TEXBLENDOP_ARG1); + TEXPIPE_ALPHA | + ENABLE_TEXOUTPUT_WRT_SEL | + TEXOP_OUTPUT_CURRENT | + TEXOP_SCALE_1X | TEXOP_MODIFY_PARMS | TEXBLENDOP_ARG1); state[2] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) | - TEXPIPE_COLOR | - TEXBLEND_ARG1 | - TEXBLENDARG_MODIFY_PARMS | - TEXBLENDARG_CURRENT); + TEXPIPE_COLOR | + TEXBLEND_ARG1 | + TEXBLENDARG_MODIFY_PARMS | TEXBLENDARG_CURRENT); state[3] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) | - TEXPIPE_ALPHA | - TEXBLEND_ARG1 | - TEXBLENDARG_MODIFY_PARMS | - TEXBLENDARG_CURRENT); + TEXPIPE_ALPHA | + TEXBLEND_ARG1 | + TEXBLENDARG_MODIFY_PARMS | TEXBLENDARG_CURRENT); return 4; } -static GLuint emit_factor( GLuint blendUnit, GLuint *state, GLuint count, - const GLfloat *factor ) +static GLuint +emit_factor(GLuint blendUnit, GLuint * state, GLuint count, + const GLfloat * factor) { GLubyte r, g, b, a; GLuint col; - + if (0) fprintf(stderr, "emit constant %d: %.2f %.2f %.2f %.2f\n", - blendUnit, factor[0], factor[1], factor[2], factor[3]); + blendUnit, factor[0], factor[1], factor[2], factor[3]); UNCLAMPED_FLOAT_TO_UBYTE(r, factor[0]); UNCLAMPED_FLOAT_TO_UBYTE(g, factor[1]); @@ -74,669 +86,79 @@ static GLuint emit_factor( GLuint blendUnit, GLuint *state, GLuint count, col = ((a << 24) | (r << 16) | (g << 8) | b); - state[count++] = _3DSTATE_COLOR_FACTOR_N_CMD(blendUnit); + state[count++] = _3DSTATE_COLOR_FACTOR_N_CMD(blendUnit); state[count++] = col; return count; } -static __inline__ GLuint GetTexelOp(GLint unit) +static INLINE GLuint +GetTexelOp(GLint unit) { - switch(unit) { - case 0: return TEXBLENDARG_TEXEL0; - case 1: return TEXBLENDARG_TEXEL1; - case 2: return TEXBLENDARG_TEXEL2; - case 3: return TEXBLENDARG_TEXEL3; - default: return TEXBLENDARG_TEXEL0; + switch (unit) { + case 0: + return TEXBLENDARG_TEXEL0; + case 1: + return TEXBLENDARG_TEXEL1; + case 2: + return TEXBLENDARG_TEXEL2; + case 3: + return TEXBLENDARG_TEXEL3; + default: + return TEXBLENDARG_TEXEL0; } } -GLuint i830SetBlend_GL1_2(i830ContextPtr i830, int blendUnit, - GLenum envMode, GLenum format, GLuint texel_op, - GLuint *state, const GLfloat *factor) +/** + * Calculate the hardware instuctions to setup the current texture enviromnemt + * settings. Since \c gl_texture_unit::_CurrentCombine is used, both + * "classic" texture enviroments and GL_ARB_texture_env_combine type texture + * environments are treated identically. + * + * \todo + * This function should return \c bool. When \c false is returned, + * it means that an environment is selected that the hardware cannot do. This + * is the way the Radeon and R200 drivers work. + * + * \todo + * Looking at i830_3d_regs.h, it seems the i830 can do part of + * GL_ATI_texture_env_combine3. It can handle using \c GL_ONE and + * \c GL_ZERO as combine inputs (which the code already supports). It can + * also handle the \c GL_MODULATE_ADD_ATI mode. Is it worth investigating + * partial support for the extension? + */ +GLuint +i830SetTexEnvCombine(struct i830_context * i830, + const struct gl_tex_env_combine_state * combine, + GLint blendUnit, + GLuint texel_op, GLuint * state, const GLfloat * factor) { - if(INTEL_DEBUG&DEBUG_TEXTURE) - fprintf(stderr, "%s %s %s texel_op(0x%x)\n", - __FUNCTION__, - _mesa_lookup_enum_by_nr(format), - _mesa_lookup_enum_by_nr(envMode), - texel_op); - - switch(envMode) { - case GL_REPLACE: - switch(format) { - case GL_ALPHA: - state[0] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) | - TEXPIPE_COLOR | - ENABLE_TEXOUTPUT_WRT_SEL | - TEXOP_OUTPUT_CURRENT | - DISABLE_TEX_CNTRL_STAGE | - TEXOP_SCALE_1X | - TEXOP_MODIFY_PARMS | - TEXBLENDOP_ARG1); - state[1] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) | - TEXPIPE_ALPHA | - ENABLE_TEXOUTPUT_WRT_SEL | - TEXOP_OUTPUT_CURRENT | - TEXOP_SCALE_1X | - TEXOP_MODIFY_PARMS | - TEXBLENDOP_ARG1); - state[2] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) | - TEXPIPE_COLOR | - TEXBLEND_ARG1 | - TEXBLENDARG_MODIFY_PARMS | - TEXBLENDARG_CURRENT); - state[3] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) | - TEXPIPE_ALPHA | - TEXBLEND_ARG1 | - TEXBLENDARG_MODIFY_PARMS | - texel_op); - return 4; - - case GL_LUMINANCE: - case GL_RGB: - case GL_YCBCR_MESA: - state[0] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) | - TEXPIPE_COLOR | - ENABLE_TEXOUTPUT_WRT_SEL | - TEXOP_OUTPUT_CURRENT | - DISABLE_TEX_CNTRL_STAGE | - TEXOP_SCALE_1X | - TEXOP_MODIFY_PARMS | - TEXBLENDOP_ARG1); - state[1] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) | - TEXPIPE_ALPHA | - ENABLE_TEXOUTPUT_WRT_SEL | - TEXOP_OUTPUT_CURRENT | - TEXOP_SCALE_1X | - TEXOP_MODIFY_PARMS | - TEXBLENDOP_ARG1); - state[2] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) | - TEXPIPE_COLOR | - TEXBLEND_ARG1 | - TEXBLENDARG_MODIFY_PARMS | - texel_op); - state[3] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) | - TEXPIPE_ALPHA | - TEXBLEND_ARG1 | - TEXBLENDARG_MODIFY_PARMS | - TEXBLENDARG_CURRENT); - return 4; - - case GL_INTENSITY: - case GL_LUMINANCE_ALPHA: - case GL_RGBA: - state[0] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) | - TEXPIPE_COLOR | - ENABLE_TEXOUTPUT_WRT_SEL | - TEXOP_OUTPUT_CURRENT | - DISABLE_TEX_CNTRL_STAGE | - TEXOP_SCALE_1X | - TEXOP_MODIFY_PARMS | - TEXBLENDOP_ARG1); - state[1] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) | - TEXPIPE_ALPHA | - ENABLE_TEXOUTPUT_WRT_SEL | - TEXOP_OUTPUT_CURRENT | - TEXOP_SCALE_1X | - TEXOP_MODIFY_PARMS | - TEXBLENDOP_ARG1); - state[2] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) | - TEXPIPE_COLOR | - TEXBLEND_ARG1 | - TEXBLENDARG_MODIFY_PARMS | - texel_op); - state[3] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) | - TEXPIPE_ALPHA | - TEXBLEND_ARG1 | - TEXBLENDARG_MODIFY_PARMS | - texel_op); - return 4; - - default: - /* Always set to passthru if something is funny */ - return pass_through( state, blendUnit ); - } - - case GL_MODULATE: - switch(format) { - case GL_ALPHA: - state[0] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) | - TEXPIPE_COLOR | - ENABLE_TEXOUTPUT_WRT_SEL | - TEXOP_OUTPUT_CURRENT | - DISABLE_TEX_CNTRL_STAGE | - TEXOP_SCALE_1X | - TEXOP_MODIFY_PARMS | - TEXBLENDOP_ARG1); - state[1] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) | - TEXPIPE_ALPHA | - ENABLE_TEXOUTPUT_WRT_SEL | - TEXOP_OUTPUT_CURRENT | - TEXOP_SCALE_1X | - TEXOP_MODIFY_PARMS | - TEXBLENDOP_MODULATE); - state[2] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) | - TEXPIPE_COLOR | - TEXBLEND_ARG1 | - TEXBLENDARG_MODIFY_PARMS | - TEXBLENDARG_CURRENT); - state[3] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) | - TEXPIPE_ALPHA | - TEXBLEND_ARG1 | - TEXBLENDARG_MODIFY_PARMS | - texel_op); - state[4] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) | - TEXPIPE_ALPHA | - TEXBLEND_ARG2 | - TEXBLENDARG_MODIFY_PARMS | - TEXBLENDARG_CURRENT); - return 5; - - case GL_LUMINANCE: - case GL_RGB: - case GL_YCBCR_MESA: - state[0] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) | - TEXPIPE_COLOR | - ENABLE_TEXOUTPUT_WRT_SEL | - TEXOP_OUTPUT_CURRENT | - DISABLE_TEX_CNTRL_STAGE | - TEXOP_SCALE_1X | - TEXOP_MODIFY_PARMS | - TEXBLENDOP_MODULATE); - state[1] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) | - TEXPIPE_ALPHA | - ENABLE_TEXOUTPUT_WRT_SEL | - TEXOP_OUTPUT_CURRENT | - TEXOP_SCALE_1X | - TEXOP_MODIFY_PARMS | - TEXBLENDOP_ARG1); - state[2] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) | - TEXPIPE_COLOR | - TEXBLEND_ARG1 | - TEXBLENDARG_MODIFY_PARMS | - texel_op); - state[3] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) | - TEXPIPE_COLOR | - TEXBLEND_ARG2 | - TEXBLENDARG_MODIFY_PARMS | - TEXBLENDARG_CURRENT); - state[4] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) | - TEXPIPE_ALPHA | - TEXBLEND_ARG1 | - TEXBLENDARG_MODIFY_PARMS | - TEXBLENDARG_CURRENT); - return 5; - - case GL_INTENSITY: - case GL_LUMINANCE_ALPHA: - case GL_RGBA: - state[0] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) | - TEXPIPE_COLOR | - ENABLE_TEXOUTPUT_WRT_SEL | - TEXOP_OUTPUT_CURRENT | - DISABLE_TEX_CNTRL_STAGE | - TEXOP_SCALE_1X | - TEXOP_MODIFY_PARMS | - TEXBLENDOP_MODULATE); - state[1] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) | - TEXPIPE_ALPHA | - ENABLE_TEXOUTPUT_WRT_SEL | - TEXOP_OUTPUT_CURRENT | - TEXOP_SCALE_1X | - TEXOP_MODIFY_PARMS | - TEXBLENDOP_MODULATE); - state[2] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) | - TEXPIPE_COLOR | - TEXBLEND_ARG1 | - TEXBLENDARG_MODIFY_PARMS | - texel_op); - state[3] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) | - TEXPIPE_COLOR | - TEXBLEND_ARG2 | - TEXBLENDARG_MODIFY_PARMS | - TEXBLENDARG_CURRENT); - state[4] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) | - TEXPIPE_ALPHA | - TEXBLEND_ARG1 | - TEXBLENDARG_MODIFY_PARMS | - texel_op); - state[5] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) | - TEXPIPE_ALPHA | - TEXBLEND_ARG2 | - TEXBLENDARG_MODIFY_PARMS | - TEXBLENDARG_CURRENT); - return 6; - - default: - /* Always set to passthru if something is funny */ - return pass_through( state, blendUnit ); - } - - case GL_DECAL: - switch(format) { - case GL_RGB: - case GL_YCBCR_MESA: - state[0] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) | - TEXPIPE_COLOR | - ENABLE_TEXOUTPUT_WRT_SEL | - TEXOP_OUTPUT_CURRENT | - DISABLE_TEX_CNTRL_STAGE | - TEXOP_SCALE_1X | - TEXOP_MODIFY_PARMS | - TEXBLENDOP_ARG1); - state[1] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) | - TEXPIPE_ALPHA | - ENABLE_TEXOUTPUT_WRT_SEL | - TEXOP_OUTPUT_CURRENT | - TEXOP_SCALE_1X | - TEXOP_MODIFY_PARMS | - TEXBLENDOP_ARG1); - state[2] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) | - TEXPIPE_COLOR | - TEXBLEND_ARG1 | - TEXBLENDARG_MODIFY_PARMS | - texel_op); - state[3] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) | - TEXPIPE_ALPHA | - TEXBLEND_ARG1 | - TEXBLENDARG_MODIFY_PARMS | - TEXBLENDARG_CURRENT); - return 4; - - case GL_RGBA: - state[0] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) | - TEXPIPE_COLOR | - ENABLE_TEXOUTPUT_WRT_SEL | - TEXOP_OUTPUT_CURRENT | - DISABLE_TEX_CNTRL_STAGE | - TEXOP_SCALE_1X | - TEXOP_MODIFY_PARMS | - TEXBLENDOP_BLEND); - state[1] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) | - TEXPIPE_ALPHA | - ENABLE_TEXOUTPUT_WRT_SEL | - TEXOP_OUTPUT_CURRENT | - TEXOP_SCALE_1X | - TEXOP_MODIFY_PARMS | - TEXBLENDOP_ARG1); - state[2] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) | - TEXPIPE_COLOR | - TEXBLEND_ARG0 | - TEXBLENDARG_MODIFY_PARMS | - TEXBLENDARG_REPLICATE_ALPHA | - texel_op); - state[3] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) | - TEXPIPE_COLOR | - TEXBLEND_ARG1 | - TEXBLENDARG_MODIFY_PARMS | - texel_op); - state[4] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) | - TEXPIPE_COLOR | - TEXBLEND_ARG2 | - TEXBLENDARG_MODIFY_PARMS | - TEXBLENDARG_CURRENT); - state[5] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) | - TEXPIPE_ALPHA | - TEXBLEND_ARG1 | - TEXBLENDARG_MODIFY_PARMS | - TEXBLENDARG_CURRENT); - return 6; - default: - /* Always set to passthru if something is funny */ - return pass_through( state, blendUnit ); - } - - case GL_BLEND: - switch(format) { - case GL_ALPHA: - state[0] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) | - TEXPIPE_COLOR | - ENABLE_TEXOUTPUT_WRT_SEL | - TEXOP_OUTPUT_CURRENT | - DISABLE_TEX_CNTRL_STAGE | - TEXOP_SCALE_1X | - TEXOP_MODIFY_PARMS | - TEXBLENDOP_ARG1); - state[1] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) | - TEXPIPE_ALPHA | - ENABLE_TEXOUTPUT_WRT_SEL | - TEXOP_OUTPUT_CURRENT | - TEXOP_SCALE_1X | - TEXOP_MODIFY_PARMS | - TEXBLENDOP_MODULATE); - state[2] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) | - TEXPIPE_COLOR | - TEXBLEND_ARG1 | - TEXBLENDARG_MODIFY_PARMS | - TEXBLENDARG_CURRENT); - state[3] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) | - TEXPIPE_ALPHA | - TEXBLEND_ARG1 | - TEXBLENDARG_MODIFY_PARMS | - texel_op); - state[4] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) | - TEXPIPE_ALPHA | - TEXBLEND_ARG2 | - TEXBLENDARG_MODIFY_PARMS | - TEXBLENDARG_CURRENT); - return 5; - - case GL_LUMINANCE: - case GL_RGB: - case GL_YCBCR_MESA: - state[0] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) | - TEXPIPE_COLOR | - ENABLE_TEXOUTPUT_WRT_SEL | - TEXOP_OUTPUT_CURRENT | - DISABLE_TEX_CNTRL_STAGE | - TEXOP_SCALE_1X | - TEXOP_MODIFY_PARMS | - TEXBLENDOP_BLEND); - state[1] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) | - TEXPIPE_ALPHA | - ENABLE_TEXOUTPUT_WRT_SEL | - TEXOP_OUTPUT_CURRENT | - TEXOP_SCALE_1X | - TEXOP_MODIFY_PARMS | - TEXBLENDOP_ARG1); - state[2] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) | - TEXPIPE_COLOR | - TEXBLEND_ARG0 | - TEXBLENDARG_MODIFY_PARMS | - texel_op); - state[3] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) | - TEXPIPE_COLOR | - TEXBLEND_ARG1 | - TEXBLENDARG_MODIFY_PARMS | - TEXBLENDARG_FACTOR_N); - state[4] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) | - TEXPIPE_COLOR | - TEXBLEND_ARG2 | - TEXBLENDARG_MODIFY_PARMS | - TEXBLENDARG_CURRENT); - state[5] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) | - TEXPIPE_ALPHA | - TEXBLEND_ARG1 | - TEXBLENDARG_MODIFY_PARMS | - TEXBLENDARG_CURRENT); - return emit_factor( blendUnit, state, 6, factor ); - - case GL_INTENSITY: - state[0] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) | - TEXPIPE_COLOR | - ENABLE_TEXOUTPUT_WRT_SEL | - TEXOP_OUTPUT_CURRENT | - DISABLE_TEX_CNTRL_STAGE | - TEXOP_SCALE_1X | - TEXOP_MODIFY_PARMS | - TEXBLENDOP_BLEND); - state[1] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) | - TEXPIPE_ALPHA | - ENABLE_TEXOUTPUT_WRT_SEL | - TEXOP_OUTPUT_CURRENT | - TEXOP_SCALE_1X | - TEXOP_MODIFY_PARMS | - TEXBLENDOP_BLEND); - state[2] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) | - TEXPIPE_COLOR | - TEXBLEND_ARG0 | - TEXBLENDARG_MODIFY_PARMS | - texel_op); - state[3] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) | - TEXPIPE_COLOR | - TEXBLEND_ARG1 | - TEXBLENDARG_MODIFY_PARMS | - TEXBLENDARG_FACTOR_N); - state[4] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) | - TEXPIPE_COLOR | - TEXBLEND_ARG2 | - TEXBLENDARG_MODIFY_PARMS | - TEXBLENDARG_CURRENT); - state[5] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) | - TEXPIPE_ALPHA | - TEXBLEND_ARG0 | - TEXBLENDARG_MODIFY_PARMS | - texel_op); - state[6] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) | - TEXPIPE_ALPHA | - TEXBLEND_ARG1 | - TEXBLENDARG_MODIFY_PARMS | - TEXBLENDARG_FACTOR_N); - state[7] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) | - TEXPIPE_ALPHA | - TEXBLEND_ARG2 | - TEXBLENDARG_MODIFY_PARMS | - TEXBLENDARG_CURRENT); - return emit_factor( blendUnit, state, 8, factor ); - - - case GL_LUMINANCE_ALPHA: - case GL_RGBA: - state[0] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) | - TEXPIPE_COLOR | - ENABLE_TEXOUTPUT_WRT_SEL | - TEXOP_OUTPUT_CURRENT | - DISABLE_TEX_CNTRL_STAGE | - TEXOP_SCALE_1X | - TEXOP_MODIFY_PARMS | - TEXBLENDOP_BLEND); - state[1] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) | - TEXPIPE_ALPHA | - ENABLE_TEXOUTPUT_WRT_SEL | - TEXOP_OUTPUT_CURRENT | - TEXOP_SCALE_1X | - TEXOP_MODIFY_PARMS | - TEXBLENDOP_MODULATE); - state[2] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) | - TEXPIPE_COLOR | - TEXBLEND_ARG0 | - TEXBLENDARG_MODIFY_PARMS | - texel_op); - state[3] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) | - TEXPIPE_COLOR | - TEXBLEND_ARG1 | - TEXBLENDARG_MODIFY_PARMS | - TEXBLENDARG_FACTOR_N); - state[4] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) | - TEXPIPE_COLOR | - TEXBLEND_ARG2 | - TEXBLENDARG_MODIFY_PARMS | - TEXBLENDARG_CURRENT); - state[5] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) | - TEXPIPE_ALPHA | - TEXBLEND_ARG1 | - TEXBLENDARG_MODIFY_PARMS | - texel_op); - state[6] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) | - TEXPIPE_ALPHA | - TEXBLEND_ARG2 | - TEXBLENDARG_MODIFY_PARMS | - TEXBLENDARG_CURRENT); - return emit_factor( blendUnit, state, 7, factor ); - - default: - /* Always set to passthru if something is funny */ - return pass_through( state, blendUnit ); - } + const GLuint numColorArgs = combine->_NumArgsRGB; + const GLuint numAlphaArgs = combine->_NumArgsA; - case GL_ADD: - switch(format) { - case GL_ALPHA: - state[0] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) | - TEXPIPE_COLOR | - ENABLE_TEXOUTPUT_WRT_SEL | - TEXOP_OUTPUT_CURRENT | - DISABLE_TEX_CNTRL_STAGE | - TEXOP_SCALE_1X | - TEXOP_MODIFY_PARMS | - TEXBLENDOP_ARG1); - state[1] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) | - TEXPIPE_ALPHA | - ENABLE_TEXOUTPUT_WRT_SEL | - TEXOP_OUTPUT_CURRENT | - TEXOP_SCALE_1X | - TEXOP_MODIFY_PARMS | - TEXBLENDOP_MODULATE); - state[2] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) | - TEXPIPE_COLOR | - TEXBLEND_ARG1 | - TEXBLENDARG_MODIFY_PARMS | - TEXBLENDARG_CURRENT); - state[3] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) | - TEXPIPE_ALPHA | - TEXBLEND_ARG1 | - TEXBLENDARG_MODIFY_PARMS | - texel_op); - state[4] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) | - TEXPIPE_ALPHA | - TEXBLEND_ARG2 | - TEXBLENDARG_MODIFY_PARMS | - TEXBLENDARG_CURRENT); - return 5; - - case GL_LUMINANCE: - case GL_RGB: - case GL_YCBCR_MESA: - state[0] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) | - TEXPIPE_COLOR | - ENABLE_TEXOUTPUT_WRT_SEL | - TEXOP_OUTPUT_CURRENT | - DISABLE_TEX_CNTRL_STAGE | - TEXOP_SCALE_1X | - TEXOP_MODIFY_PARMS | - TEXBLENDOP_ADD); - state[1] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) | - TEXPIPE_ALPHA | - ENABLE_TEXOUTPUT_WRT_SEL | - TEXOP_OUTPUT_CURRENT | - TEXOP_SCALE_1X | - TEXOP_MODIFY_PARMS | - TEXBLENDOP_ARG1); - state[2] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) | - TEXPIPE_COLOR | - TEXBLEND_ARG1 | - TEXBLENDARG_MODIFY_PARMS | - texel_op); - state[3] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) | - TEXPIPE_COLOR | - TEXBLEND_ARG2 | - TEXBLENDARG_MODIFY_PARMS | - TEXBLENDARG_CURRENT); - state[4] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) | - TEXPIPE_ALPHA | - TEXBLEND_ARG1 | - TEXBLENDARG_MODIFY_PARMS | - TEXBLENDARG_CURRENT); - return 5; - - case GL_INTENSITY: - state[0] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) | - TEXPIPE_COLOR | - ENABLE_TEXOUTPUT_WRT_SEL | - TEXOP_OUTPUT_CURRENT | - DISABLE_TEX_CNTRL_STAGE | - TEXOP_SCALE_1X | - TEXOP_MODIFY_PARMS | - TEXBLENDOP_ADD); - state[1] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) | - TEXPIPE_ALPHA | - ENABLE_TEXOUTPUT_WRT_SEL | - TEXOP_OUTPUT_CURRENT | - TEXOP_SCALE_1X | - TEXOP_MODIFY_PARMS | - TEXBLENDOP_ADD); - state[2] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) | - TEXPIPE_COLOR | - TEXBLEND_ARG1 | - TEXBLENDARG_MODIFY_PARMS | - texel_op); - state[3] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) | - TEXPIPE_COLOR | - TEXBLEND_ARG2 | - TEXBLENDARG_MODIFY_PARMS | - TEXBLENDARG_CURRENT); - state[4] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) | - TEXPIPE_ALPHA | - TEXBLEND_ARG1 | - TEXBLENDARG_MODIFY_PARMS | - texel_op); - state[5] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) | - TEXPIPE_ALPHA | - TEXBLEND_ARG2 | - TEXBLENDARG_MODIFY_PARMS | - TEXBLENDARG_CURRENT); - return 6; - - case GL_LUMINANCE_ALPHA: - case GL_RGBA: - state[0] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) | - TEXPIPE_COLOR | - ENABLE_TEXOUTPUT_WRT_SEL | - TEXOP_OUTPUT_CURRENT | - DISABLE_TEX_CNTRL_STAGE | - TEXOP_SCALE_1X | - TEXOP_MODIFY_PARMS | - TEXBLENDOP_ADD); - state[1] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) | - TEXPIPE_ALPHA | - ENABLE_TEXOUTPUT_WRT_SEL | - TEXOP_OUTPUT_CURRENT | - TEXOP_SCALE_1X | - TEXOP_MODIFY_PARMS | - TEXBLENDOP_MODULATE); - state[2] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) | - TEXPIPE_COLOR | - TEXBLEND_ARG1 | - TEXBLENDARG_MODIFY_PARMS | - texel_op); - state[3] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) | - TEXPIPE_COLOR | - TEXBLEND_ARG2 | - TEXBLENDARG_MODIFY_PARMS | - TEXBLENDARG_CURRENT); - state[4] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) | - TEXPIPE_ALPHA | - TEXBLEND_ARG1 | - TEXBLENDARG_MODIFY_PARMS | - texel_op); - state[5] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) | - TEXPIPE_ALPHA | - TEXBLEND_ARG2 | - TEXBLENDARG_MODIFY_PARMS | - TEXBLENDARG_CURRENT); - return 6; - - default: - /* Always set to passthru if something is funny */ - return pass_through( state, blendUnit ); - } - - default: - /* Always set to passthru if something is funny */ - return pass_through( state, blendUnit ); - } -} - -static GLuint i830SetTexEnvCombine(i830ContextPtr i830, - const struct gl_texture_unit *texUnit, - GLint blendUnit, - GLuint texel_op, - GLuint *state, - const GLfloat *factor ) -{ GLuint blendop; GLuint ablendop; GLuint args_RGB[3]; GLuint args_A[3]; GLuint rgb_shift; GLuint alpha_shift; - GLboolean need_factor = 0; + bool need_factor = 0; int i; - - if(INTEL_DEBUG&DEBUG_TEXTURE) + unsigned used; + static const GLuint tex_blend_rgb[3] = { + TEXPIPE_COLOR | TEXBLEND_ARG1 | TEXBLENDARG_MODIFY_PARMS, + TEXPIPE_COLOR | TEXBLEND_ARG2 | TEXBLENDARG_MODIFY_PARMS, + TEXPIPE_COLOR | TEXBLEND_ARG0 | TEXBLENDARG_MODIFY_PARMS, + }; + static const GLuint tex_blend_a[3] = { + TEXPIPE_ALPHA | TEXBLEND_ARG1 | TEXBLENDARG_MODIFY_PARMS, + TEXPIPE_ALPHA | TEXBLEND_ARG2 | TEXBLENDARG_MODIFY_PARMS, + TEXPIPE_ALPHA | TEXBLEND_ARG0 | TEXBLENDARG_MODIFY_PARMS, + }; + + if (INTEL_DEBUG & DEBUG_TEXTURE) fprintf(stderr, "%s\n", __FUNCTION__); @@ -744,9 +166,9 @@ static GLuint i830SetTexEnvCombine(i830ContextPtr i830, * scale factor, but the ARB version (and the version in OpenGL * 1.3) does. */ - switch (texUnit->Combine.ModeRGB) { + switch (combine->ModeRGB) { case GL_DOT3_RGB_EXT: - alpha_shift = texUnit->Combine.ScaleShiftA; + alpha_shift = combine->ScaleShiftA; rgb_shift = 0; break; @@ -756,29 +178,29 @@ static GLuint i830SetTexEnvCombine(i830ContextPtr i830, break; default: - rgb_shift = texUnit->Combine.ScaleShiftRGB; - alpha_shift = texUnit->Combine.ScaleShiftA; + rgb_shift = combine->ScaleShiftRGB; + alpha_shift = combine->ScaleShiftA; break; } - switch(texUnit->Combine.ModeRGB) { - case GL_REPLACE: + switch (combine->ModeRGB) { + case GL_REPLACE: blendop = TEXBLENDOP_ARG1; break; - case GL_MODULATE: + case GL_MODULATE: blendop = TEXBLENDOP_MODULATE; break; - case GL_ADD: + case GL_ADD: blendop = TEXBLENDOP_ADD; break; case GL_ADD_SIGNED: - blendop = TEXBLENDOP_ADDSIGNED; + blendop = TEXBLENDOP_ADDSIGNED; break; case GL_INTERPOLATE: - blendop = TEXBLENDOP_BLEND; + blendop = TEXBLENDOP_BLEND; break; - case GL_SUBTRACT: + case GL_SUBTRACT: blendop = TEXBLENDOP_SUBTRACT; break; case GL_DOT3_RGB_EXT: @@ -789,49 +211,54 @@ static GLuint i830SetTexEnvCombine(i830ContextPtr i830, case GL_DOT3_RGBA: blendop = TEXBLENDOP_DOT3; break; - default: - return pass_through( state, blendUnit ); + default: + return pass_through(state, blendUnit); } blendop |= (rgb_shift << TEXOP_SCALE_SHIFT); /* Handle RGB args */ - for(i = 0; i < 3; i++) { - switch(texUnit->Combine.SourceRGB[i]) { - case GL_TEXTURE: - args_RGB[i] = texel_op; - break; + for (i = 0; i < 3; i++) { + switch (combine->SourceRGB[i]) { + case GL_TEXTURE: + args_RGB[i] = texel_op; + break; + case GL_TEXTURE0: + case GL_TEXTURE1: + case GL_TEXTURE2: + case GL_TEXTURE3: + args_RGB[i] = GetTexelOp(combine->SourceRGB[i] - GL_TEXTURE0); + break; case GL_CONSTANT: - args_RGB[i] = TEXBLENDARG_FACTOR_N; - need_factor = 1; - break; + args_RGB[i] = TEXBLENDARG_FACTOR_N; + need_factor = 1; + break; case GL_PRIMARY_COLOR: - args_RGB[i] = TEXBLENDARG_DIFFUSE; - break; + args_RGB[i] = TEXBLENDARG_DIFFUSE; + break; case GL_PREVIOUS: - args_RGB[i] = TEXBLENDARG_CURRENT; - break; - default: - return pass_through( state, blendUnit ); + args_RGB[i] = TEXBLENDARG_CURRENT; + break; + default: + return pass_through(state, blendUnit); } - switch(texUnit->Combine.OperandRGB[i]) { - case GL_SRC_COLOR: - args_RGB[i] |= 0; - break; - case GL_ONE_MINUS_SRC_COLOR: - args_RGB[i] |= TEXBLENDARG_INV_ARG; - break; - case GL_SRC_ALPHA: - args_RGB[i] |= TEXBLENDARG_REPLICATE_ALPHA; - break; - case GL_ONE_MINUS_SRC_ALPHA: - args_RGB[i] |= (TEXBLENDARG_REPLICATE_ALPHA | - TEXBLENDARG_INV_ARG); - break; - default: - return pass_through( state, blendUnit ); + switch (combine->OperandRGB[i]) { + case GL_SRC_COLOR: + args_RGB[i] |= 0; + break; + case GL_ONE_MINUS_SRC_COLOR: + args_RGB[i] |= TEXBLENDARG_INV_ARG; + break; + case GL_SRC_ALPHA: + args_RGB[i] |= TEXBLENDARG_REPLICATE_ALPHA; + break; + case GL_ONE_MINUS_SRC_ALPHA: + args_RGB[i] |= (TEXBLENDARG_REPLICATE_ALPHA | TEXBLENDARG_INV_ARG); + break; + default: + return pass_through(state, blendUnit); } } @@ -843,70 +270,76 @@ static GLuint i830SetTexEnvCombine(i830ContextPtr i830, * Note - the global factor is set up with alpha == .5, so * the alpha part of the DOT4 calculation should be zero. */ - if ( texUnit->Combine.ModeRGB == GL_DOT3_RGBA_EXT || - texUnit->Combine.ModeRGB == GL_DOT3_RGBA ) { + if (combine->ModeRGB == GL_DOT3_RGBA_EXT || + combine->ModeRGB == GL_DOT3_RGBA) { ablendop = TEXBLENDOP_DOT4; - args_A[0] = TEXBLENDARG_FACTOR; /* the global factor */ + args_A[0] = TEXBLENDARG_FACTOR; /* the global factor */ args_A[1] = TEXBLENDARG_FACTOR; args_A[2] = TEXBLENDARG_FACTOR; } else { - switch(texUnit->Combine.ModeA) { - case GL_REPLACE: - ablendop = TEXBLENDOP_ARG1; - break; - case GL_MODULATE: - ablendop = TEXBLENDOP_MODULATE; - break; - case GL_ADD: - ablendop = TEXBLENDOP_ADD; - break; + switch (combine->ModeA) { + case GL_REPLACE: + ablendop = TEXBLENDOP_ARG1; + break; + case GL_MODULATE: + ablendop = TEXBLENDOP_MODULATE; + break; + case GL_ADD: + ablendop = TEXBLENDOP_ADD; + break; case GL_ADD_SIGNED: - ablendop = TEXBLENDOP_ADDSIGNED; - break; + ablendop = TEXBLENDOP_ADDSIGNED; + break; case GL_INTERPOLATE: - ablendop = TEXBLENDOP_BLEND; - break; - case GL_SUBTRACT: - ablendop = TEXBLENDOP_SUBTRACT; - break; + ablendop = TEXBLENDOP_BLEND; + break; + case GL_SUBTRACT: + ablendop = TEXBLENDOP_SUBTRACT; + break; default: - return pass_through( state, blendUnit ); + return pass_through(state, blendUnit); } ablendop |= (alpha_shift << TEXOP_SCALE_SHIFT); /* Handle A args */ - for(i = 0; i < 3; i++) { - switch(texUnit->Combine.SourceA[i]) { - case GL_TEXTURE: - args_A[i] = texel_op; - break; - case GL_CONSTANT: - args_A[i] = TEXBLENDARG_FACTOR_N; - need_factor = 1; - break; - case GL_PRIMARY_COLOR: - args_A[i] = TEXBLENDARG_DIFFUSE; - break; - case GL_PREVIOUS: - args_A[i] = TEXBLENDARG_CURRENT; - break; - default: - return pass_through( state, blendUnit ); - } - - switch(texUnit->Combine.OperandA[i]) { - case GL_SRC_ALPHA: - args_A[i] |= 0; - break; - case GL_ONE_MINUS_SRC_ALPHA: - args_A[i] |= TEXBLENDARG_INV_ARG; - break; - default: - return pass_through( state, blendUnit ); - } + for (i = 0; i < 3; i++) { + switch (combine->SourceA[i]) { + case GL_TEXTURE: + args_A[i] = texel_op; + break; + case GL_TEXTURE0: + case GL_TEXTURE1: + case GL_TEXTURE2: + case GL_TEXTURE3: + args_A[i] = GetTexelOp(combine->SourceA[i] - GL_TEXTURE0); + break; + case GL_CONSTANT: + args_A[i] = TEXBLENDARG_FACTOR_N; + need_factor = 1; + break; + case GL_PRIMARY_COLOR: + args_A[i] = TEXBLENDARG_DIFFUSE; + break; + case GL_PREVIOUS: + args_A[i] = TEXBLENDARG_CURRENT; + break; + default: + return pass_through(state, blendUnit); + } + + switch (combine->OperandA[i]) { + case GL_SRC_ALPHA: + args_A[i] |= 0; + break; + case GL_ONE_MINUS_SRC_ALPHA: + args_A[i] |= TEXBLENDARG_INV_ARG; + break; + default: + return pass_through(state, blendUnit); + } } } @@ -921,138 +354,106 @@ static GLuint i830SetTexEnvCombine(i830ContextPtr i830, */ - /* Build color pipeline */ + /* Build color & alpha pipelines */ - state[0] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) | - TEXPIPE_COLOR | - ENABLE_TEXOUTPUT_WRT_SEL | - TEXOP_OUTPUT_CURRENT | - DISABLE_TEX_CNTRL_STAGE | - TEXOP_MODIFY_PARMS | - blendop); - state[1] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) | - TEXPIPE_COLOR | - TEXBLEND_ARG1 | - TEXBLENDARG_MODIFY_PARMS | - args_RGB[0]); - state[2] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) | - TEXPIPE_COLOR | - TEXBLEND_ARG2 | - TEXBLENDARG_MODIFY_PARMS | - args_RGB[1]); - state[3] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) | - TEXPIPE_COLOR | - TEXBLEND_ARG0 | - TEXBLENDARG_MODIFY_PARMS | - args_RGB[2]); + used = 0; + state[used++] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) | + TEXPIPE_COLOR | + ENABLE_TEXOUTPUT_WRT_SEL | + TEXOP_OUTPUT_CURRENT | + DISABLE_TEX_CNTRL_STAGE | TEXOP_MODIFY_PARMS | blendop); + state[used++] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) | + TEXPIPE_ALPHA | + ENABLE_TEXOUTPUT_WRT_SEL | + TEXOP_OUTPUT_CURRENT | TEXOP_MODIFY_PARMS | ablendop); - /* Build Alpha pipeline */ - state[4] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) | - TEXPIPE_ALPHA | - ENABLE_TEXOUTPUT_WRT_SEL | - TEXOP_OUTPUT_CURRENT | - TEXOP_MODIFY_PARMS | - ablendop); - state[5] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) | - TEXPIPE_ALPHA | - TEXBLEND_ARG1 | - TEXBLENDARG_MODIFY_PARMS | - args_A[0]); - state[6] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) | - TEXPIPE_ALPHA | - TEXBLEND_ARG2 | - TEXBLENDARG_MODIFY_PARMS | - args_A[1]); - state[7] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) | - TEXPIPE_ALPHA | - TEXBLEND_ARG0 | - TEXBLENDARG_MODIFY_PARMS | - args_A[2]); + for (i = 0; i < numColorArgs; i++) { + state[used++] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) | + tex_blend_rgb[i] | args_RGB[i]); + } + for (i = 0; i < numAlphaArgs; i++) { + state[used++] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) | + tex_blend_a[i] | args_A[i]); + } - if (need_factor) - return emit_factor( blendUnit, state, 8, factor ); - else - return 8; + + if (need_factor) + return emit_factor(blendUnit, state, used, factor); + else + return used; } -static void emit_texblend( i830ContextPtr i830, GLuint unit, GLuint blendUnit, - GLboolean last_stage ) +static void +emit_texblend(struct i830_context *i830, GLuint unit, GLuint blendUnit, + bool last_stage) { struct gl_texture_unit *texUnit = &i830->intel.ctx.Texture.Unit[unit]; - struct gl_texture_object *tObj = texUnit->_Current; - i830TextureObjectPtr t = (i830TextureObjectPtr)tObj->DriverData; GLuint tmp[I830_TEXBLEND_SIZE], tmp_sz; - if (0) fprintf(stderr, "%s unit %d\n", __FUNCTION__, unit); + if (0) + fprintf(stderr, "%s unit %d\n", __FUNCTION__, unit); /* Update i830->state.TexBlend - */ - if (texUnit->EnvMode == GL_COMBINE) { - tmp_sz = i830SetTexEnvCombine(i830, texUnit, blendUnit, - GetTexelOp(unit), tmp, - texUnit->EnvColor ); - } - else { - tmp_sz = i830SetBlend_GL1_2(i830, blendUnit, texUnit->EnvMode, - t->intel.image[0][0].internalFormat, - GetTexelOp(unit), tmp, - texUnit->EnvColor ); - } + */ + tmp_sz = i830SetTexEnvCombine(i830, texUnit->_CurrentCombine, blendUnit, + GetTexelOp(unit), tmp, texUnit->EnvColor); - if (last_stage) + if (last_stage) tmp[0] |= TEXOP_LAST_STAGE; if (tmp_sz != i830->state.TexBlendWordsUsed[blendUnit] || - memcmp( tmp, i830->state.TexBlend[blendUnit], tmp_sz * sizeof(GLuint))) { - - I830_STATECHANGE( i830, I830_UPLOAD_TEXBLEND(blendUnit) ); - memcpy( i830->state.TexBlend[blendUnit], tmp, tmp_sz * sizeof(GLuint)); + memcmp(tmp, i830->state.TexBlend[blendUnit], + tmp_sz * sizeof(GLuint))) { + + I830_STATECHANGE(i830, I830_UPLOAD_TEXBLEND(blendUnit)); + memcpy(i830->state.TexBlend[blendUnit], tmp, tmp_sz * sizeof(GLuint)); i830->state.TexBlendWordsUsed[blendUnit] = tmp_sz; } - I830_ACTIVESTATE(i830, I830_UPLOAD_TEXBLEND(blendUnit), GL_TRUE); + I830_ACTIVESTATE(i830, I830_UPLOAD_TEXBLEND(blendUnit), true); } -static void emit_passthrough( i830ContextPtr i830 ) +static void +emit_passthrough(struct i830_context *i830) { GLuint tmp[I830_TEXBLEND_SIZE], tmp_sz; GLuint unit = 0; - tmp_sz = pass_through( tmp, unit ); + tmp_sz = pass_through(tmp, unit); tmp[0] |= TEXOP_LAST_STAGE; if (tmp_sz != i830->state.TexBlendWordsUsed[unit] || - memcmp( tmp, i830->state.TexBlend[unit], tmp_sz * sizeof(GLuint))) { - - I830_STATECHANGE( i830, I830_UPLOAD_TEXBLEND(unit) ); - memcpy( i830->state.TexBlend[unit], tmp, tmp_sz * sizeof(GLuint)); + memcmp(tmp, i830->state.TexBlend[unit], tmp_sz * sizeof(GLuint))) { + + I830_STATECHANGE(i830, I830_UPLOAD_TEXBLEND(unit)); + memcpy(i830->state.TexBlend[unit], tmp, tmp_sz * sizeof(GLuint)); i830->state.TexBlendWordsUsed[unit] = tmp_sz; } - I830_ACTIVESTATE(i830, I830_UPLOAD_TEXBLEND(unit), GL_TRUE); + I830_ACTIVESTATE(i830, I830_UPLOAD_TEXBLEND(unit), true); } -void i830EmitTextureBlend( i830ContextPtr i830 ) +void +i830EmitTextureBlend(struct i830_context *i830) { - GLcontext *ctx = &i830->intel.ctx; + struct gl_context *ctx = &i830->intel.ctx; GLuint unit, last_stage = 0, blendunit = 0; - I830_ACTIVESTATE(i830, I830_UPLOAD_TEXBLEND_ALL, GL_FALSE); + I830_ACTIVESTATE(i830, I830_UPLOAD_TEXBLEND_ALL, false); if (ctx->Texture._EnabledUnits) { - for (unit = 0 ; unit < ctx->Const.MaxTextureUnits ; unit++) - if (ctx->Texture.Unit[unit]._ReallyEnabled) - last_stage = unit; + for (unit = 0; unit < ctx->Const.MaxTextureUnits; unit++) + if (ctx->Texture.Unit[unit]._ReallyEnabled) + last_stage = unit; - for (unit = 0 ; unit < ctx->Const.MaxTextureUnits ; unit++) - if (ctx->Texture.Unit[unit]._ReallyEnabled) - emit_texblend( i830, unit, blendunit++, last_stage == unit ); + for (unit = 0; unit < ctx->Const.MaxTextureUnits; unit++) + if (ctx->Texture.Unit[unit]._ReallyEnabled) + emit_texblend(i830, unit, blendunit++, last_stage == unit); } else { - emit_passthrough( i830 ); + emit_passthrough(i830); } } -