diff options
author | Brian Paul <[email protected]> | 2001-06-18 17:26:08 +0000 |
---|---|---|
committer | Brian Paul <[email protected]> | 2001-06-18 17:26:08 +0000 |
commit | 1b258989462e907e45abbdf8743b0a75f22c02b3 (patch) | |
tree | aaf3847b0189aa370616fbd571a1650d13f1d145 /src/mesa/main/blend.c | |
parent | 24ae7c4c1f18c3086a779a2ee8f480ee5f4e7612 (diff) |
Consolidated source files. Since the re-org a number of source files
only had one or two functions left in them.
Diffstat (limited to 'src/mesa/main/blend.c')
-rw-r--r-- | src/mesa/main/blend.c | 127 |
1 files changed, 126 insertions, 1 deletions
diff --git a/src/mesa/main/blend.c b/src/mesa/main/blend.c index 382c27d710b..d99d0787484 100644 --- a/src/mesa/main/blend.c +++ b/src/mesa/main/blend.c @@ -1,4 +1,4 @@ -/* $Id: blend.c,v 1.32 2001/03/29 16:50:31 brianp Exp $ */ +/* $Id: blend.c,v 1.33 2001/06/18 17:26:08 brianp Exp $ */ /* * Mesa 3-D graphics library @@ -30,6 +30,7 @@ #else #include "glheader.h" #include "blend.h" +#include "colormac.h" #include "context.h" #include "enums.h" #include "macros.h" @@ -339,3 +340,127 @@ _mesa_BlendColor( GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha ) if (ctx->Driver.BlendColor) (*ctx->Driver.BlendColor)(ctx, tmp); } + + +void +_mesa_AlphaFunc( GLenum func, GLclampf ref ) +{ + GET_CURRENT_CONTEXT(ctx); + GLchan cref; + ASSERT_OUTSIDE_BEGIN_END(ctx); + + switch (func) { + case GL_NEVER: + case GL_LESS: + case GL_EQUAL: + case GL_LEQUAL: + case GL_GREATER: + case GL_NOTEQUAL: + case GL_GEQUAL: + case GL_ALWAYS: + /* convert float alpha ref to GLchan type */ + UNCLAMPED_FLOAT_TO_CHAN(cref, ref); + + if (ctx->Color.AlphaFunc == func && ctx->Color.AlphaRef == cref) + return; + + FLUSH_VERTICES(ctx, _NEW_COLOR); + ctx->Color.AlphaFunc = func; + ctx->Color.AlphaRef = cref; + + if (ctx->Driver.AlphaFunc) + ctx->Driver.AlphaFunc(ctx, func, cref); + return; + + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glAlphaFunc(func)" ); + return; + } +} + + +void +_mesa_LogicOp( GLenum opcode ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + switch (opcode) { + case GL_CLEAR: + case GL_SET: + case GL_COPY: + case GL_COPY_INVERTED: + case GL_NOOP: + case GL_INVERT: + case GL_AND: + case GL_NAND: + case GL_OR: + case GL_NOR: + case GL_XOR: + case GL_EQUIV: + case GL_AND_REVERSE: + case GL_AND_INVERTED: + case GL_OR_REVERSE: + case GL_OR_INVERTED: + break; + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glLogicOp" ); + return; + } + + if (ctx->Color.LogicOp == opcode) + return; + + FLUSH_VERTICES(ctx, _NEW_COLOR); + ctx->Color.LogicOp = opcode; + + if (ctx->Driver.LogicOpcode) + ctx->Driver.LogicOpcode( ctx, opcode ); +} + + +void +_mesa_IndexMask( GLuint mask ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (ctx->Color.IndexMask == mask) + return; + + FLUSH_VERTICES(ctx, _NEW_COLOR); + ctx->Color.IndexMask = mask; + + if (ctx->Driver.IndexMask) + ctx->Driver.IndexMask( ctx, mask ); +} + + +void +_mesa_ColorMask( GLboolean red, GLboolean green, + GLboolean blue, GLboolean alpha ) +{ + GET_CURRENT_CONTEXT(ctx); + GLubyte tmp[4]; + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (MESA_VERBOSE & VERBOSE_API) + fprintf(stderr, "glColorMask %d %d %d %d\n", red, green, blue, alpha); + + /* Shouldn't have any information about channel depth in core mesa + * -- should probably store these as the native booleans: + */ + tmp[RCOMP] = red ? 0xff : 0x0; + tmp[GCOMP] = green ? 0xff : 0x0; + tmp[BCOMP] = blue ? 0xff : 0x0; + tmp[ACOMP] = alpha ? 0xff : 0x0; + + if (TEST_EQ_4UBV(tmp, ctx->Color.ColorMask)) + return; + + FLUSH_VERTICES(ctx, _NEW_COLOR); + COPY_4UBV(ctx->Color.ColorMask, tmp); + + if (ctx->Driver.ColorMask) + ctx->Driver.ColorMask( ctx, red, green, blue, alpha ); +} |