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path: root/src/mesa/swrast/s_fragprog.c
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2008-01-06Simplify ctx->_NumColorDrawBuffers, _ColorDrawBuffers and fix bug 13835.Brian
These fields are no longer indexed by shader output. Now, we just have a simple array of renderbuffer pointers. If the shader writes to gl_FragData[i], send those colors to the N _ColorDrawBuffers. Otherwise, replicate the single gl_FragColor (or the fixed-function color) to the N _ColorDrawBuffers. A few more changes and simplifications can follow from this...
2007-12-04fix span->facing computation and gl_FrontFacing initializationBrian
2007-11-30fix broken two-sided stencilBrian
2007-11-23Consolidate texture fetch code and use partial derivatives when possible.Brian
2007-11-20clamp lambda to Min/MaxLodBrian
2007-10-24Implement gl_PointCoord attribute for GLSL fragment shaders.Brian
Contains the normalized fragment position within a point sprite.
2007-07-04Be more consistant with paths in #includes. Eventually, eliminate a bunch ↵Brian
of -I flags.
2007-06-11Rework _mesa_update_texture_compare_function() to only be called duringBrian
state validation/update. Note that we're still temporarily skipping the test for an active fragment program. Need to fix shadow2D() ...
2007-06-11Temporarily disable the calls to _mesa_update_texture_compare_function().Brian
This fixes the depth-peel regression reported by Brad King.
2007-06-07Add support for GL_ARB_fragment_program_shadow.Ian Romanick
2007-06-07Fix ARB_fp spec conformance bug WRT shadow sampling.Ian Romanick
The ARB_fp (and other assembly-level fragment program specs) say that the depth comparison function is always GL_NONE in fragment program mode.
2007-05-11remove some unneeded code in init_machine()Brian
2007-05-02changes to get DDX/DDY working againBrian
2007-04-28only load front/back face attrib if using a shader (bug 10788)Brian
2007-04-21undo a test/debug changeBrian
2007-04-19Put gl_program_machine into swrast structure rather than using a local variable.Brian
Basically an easy way to make sure the memory gets initialized once (to zero) to avoid lots of valgrind warnings.
2007-03-13Check if FRAG_RESULT_COLR is written and update span->interpMask, arrayMask.Brian
Also, fix an assertion.
2007-03-11Implement support for GL_ARB_draw_buffers with GL_MAX_DRAW_BUFFERS > 1.Brian
GL_MAX_DRAW_BUFFERS is currently 4. Added gl_FragData[] output for fragment programs. In _swrast_write_rgba_span() loop over the color outputs/renderbuffers.
2007-03-10Implement gl_FrontFacing for fragment shaders.Brian
For the time being, we put the gl_FrontFacing value in the FOGC.Y input register. Combining FOGC and FrontFacing in one register is a bit of a hack and may need to be changed someday.
2007-02-25remove unneeded includesBrian
2007-02-25remove 'maxInst' parameter from _mesa_execute_program()Brian
2007-02-25remove unused 'element' parameter from _mesa_execute_program()Brian
2007-02-22Use the new unified vertex/fragment program interpreter from prog_execute.c.Brian
Currently, DDX, DDY don't work.
2007-02-22use MAX_PROGRAM_ENV_PARAMSBrian
2007-02-17Lots of changes to prog_print.c code.Brian
Mainly, allow printing programs in either ARB, NV or "debug" formats.
2007-02-08consolidate BRA with BRK, CONTBrian
2007-02-08Simplify code with eval_condition(). Implement conditional BRK.Brian
2007-02-07Use IR_LOOP to represent do-while and for-loops.Brian
Also, start moving high vs. low-level instruction selection into slang_emit.c
2007-02-06BRK and CONT work the sameBrian
2007-02-06Implement CONT, improve BRK.Brian
IR_LOOP's BranchNode ptr is the head of a linked list of CONT and BRK nodes. After emitting loop, walk over the linked list, filling in the CONT/BRK instruction's BranchTarget field (location of the ENDLOOP instruction, or one past).
2007-02-05BRK instruction's BranchTarget field now used for efficiently breaking out ↵Brian
of loops. BRK's BranchTarget field actually points to the top of the loop, not the bottom, since we don't know the later's location yet. In the interpreter, basically do an indirect jump to update the PC.
2007-02-05Use IR node's BranchNode field for IF/ELSE/ENDIF instructions.Brian
This allows us to back-patch the IF/ELSE instruction's BranchTarget field to point to the location of the ELSE/ENDIF instructions. No longer have to search for ELSE/ENDIF in the interpreter. Also makes it trivial to translate IF/ELSE instructions into conditional/unconditional BRA instructions.
2007-02-05Initial implementation of high-level flow-control instructions.Brian
IF/ELSE/ENDIF and BEGIN_LOOP/END_LOOP/BREAK instructions seem to work. Disabled by default though until better tested. Implemented IR_NOT, but needs optimization.
2007-02-05Initial support of loop and subroutine instructions.Brian
New high-level flow-control instructions, both at IR level and GPU instructions for looping and subroutines.
2007-02-02fix maxInst argumentBrian
2007-02-02simplify derivative-related codeBrian
2007-02-02Replace color, z, w, texture interpolants with new generic attrib interpolants.Brian
2007-02-02New span attrStart/attrStepX/attrStepY fields to replace fog, specular, etc. ↵Brian
fields. More to come.
2007-02-01New SWspanarrays attribs[] array.Brian
Replace texcoord[], varying[], etc. arrays with single attribs[] array, indexed by FRAG_ATTRIB_* values. Eliminates need to copy data into fragment program machine input registers. Will lead to future clean-ups.
2007-02-01additional assertions, bump up MAX_EXECBrian
2007-01-28noise functionsBrian
2007-01-25fixes, clean-ups, transpose span->varying array indexingBrian
2007-01-23fix g++ warnings/errorsBrian
2007-01-20Initial implementation of OPCODE_IF/ELSE/ENDIF instructions.Brian
2007-01-17Added OPCODE_INT to convert 4 floats to 4 ints.Brian
2007-01-09more debug code (disabled)Brian
2007-01-08check if _Current == NULL for TXBBrian
2006-12-18Added instruction counter to catch infinite loops (temporary).Brian
2006-12-16fix comment, handle NOPBrian
2006-12-15Renamed s_nvfragprog.[ch] to s_fragprog.[ch]Brian
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