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GL_ATI_texture_env_combine3 extension

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This commit is contained in:
Brian Paul 2003-01-21 15:49:06 +00:00
parent 19ad3fee8c
commit 943f0c6a41
8 changed files with 462 additions and 204 deletions
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5
docs/RELNOTES-5.1
View file

@ -18,6 +18,9 @@ Odd-numbered versions (such as 5.1) designate new developmental releases.
New Features in Mesa 5.1
------------------------
GL_ATI_texture_env_combine3 extension
This adds a few new texture combine modes.
Contributed by Ian Romanick.
@ -49,4 +52,4 @@ driver call the _mesa_enable_1_4_extensions() function.
----------------------------------------------------------------------
$Id: RELNOTES-5.1,v 1.1 2002/12/18 14:57:34 brianp Exp $
$Id: RELNOTES-5.1,v 1.2 2003/01/21 15:50:24 brianp Exp $

5
docs/VERSIONS
View file

@ -1,4 +1,4 @@
$Id: VERSIONS,v 1.120 2002/12/18 14:56:59 brianp Exp $
$Id: VERSIONS,v 1.121 2003/01/21 15:50:24 brianp Exp $
Mesa Version History
@ -1084,10 +1084,11 @@ Mesa Version History
5.1 Month day, 2003
New:
-
- GL_ATI_texture_env_combine3 extension (Ian Romanick)
Bug fixes:
- really enable OpenGL 1.4 features in DOS driver.
- glAreProgramsResidentNV was slightly incorrect
- fixed issues in glDrawPixels and glCopyPixels for very wide images
Changes:
- dropped API trace feature (src/Trace/)

8
include/GL/glext.h
View file

@ -2423,6 +2423,11 @@ extern "C" {
#define GL_ACTIVE_STENCIL_FACE_EXT 0x8911
#endif
#ifndef GL_ATI_texture_env_combine3
#define GL_MODULATE_ADD_ATI 0x8744
#define GL_MODULATE_SIGNED_ADD_ATI 0x8745
#define GL_MODULATE_SUBTRACT_ATI 0x8746
#endif
/*************************************************************/
@ -5016,6 +5021,9 @@ GLAPI void APIENTRY glActiveStencilFaceEXT (GLenum);
typedef void (APIENTRY * PFNGLACTIVESTENCILFACEEXTPROC) (GLenum face);
#endif
#ifndef GL_ATI_texture_env_combine3
#define GL_ATI_texture_env_combine3 1
#endif
#ifdef __cplusplus
}

11
src/mesa/main/enums.c
View file

@ -1,4 +1,4 @@
/* $Id: enums.c,v 1.24 2002/10/29 20:28:45 brianp Exp $ */
/* $Id: enums.c,v 1.25 2003/01/21 15:49:13 brianp Exp $ */
/*
* Mesa 3-D graphics library
@ -837,11 +837,16 @@ enum_elt all_enums[] =
{ "GL_DOT3_RGBA_EXT", 0x8741 },
/* GL_ARB_texture_env_dot3 */
{ "GL_DOT3_RGB_EXT", 0x86ae },
{ "GL_DOT3_RGBA_EXT", 0x86af },
{ "GL_DOT3_RGB_ARB", 0x86ae },
{ "GL_DOT3_RGBA_ARB", 0x86af },
/* GL_ARB_texture_border_clamp */
{ "GL_CLAMP_TO_BORDER_ARB", 0x812D },
/* GL_ATI_texture_env_combine3 */
{ "GL_MODULATE_ADD_ATI", 0x8744 },
{ "GL_MODULATE_SIGNED_ADD_ATI", 0x8745 },
{ "GL_MODULATE_SUBTRACT_ATI", 0x8746 },
};
#define Elements(x) sizeof(x)/sizeof(*x)

4
src/mesa/main/extensions.c
View file

@ -1,4 +1,4 @@
/* $Id: extensions.c,v 1.86 2003/01/14 04:55:45 brianp Exp $ */
/* $Id: extensions.c,v 1.87 2003/01/21 15:49:14 brianp Exp $ */
/*
* Mesa 3-D graphics library
@ -69,6 +69,7 @@ static struct {
{ ON, "GL_ARB_transpose_matrix", 0 },
{ ON, "GL_ARB_window_pos", F(ARB_window_pos) },
{ OFF, "GL_ATI_texture_mirror_once", F(ATI_texture_mirror_once)},
{ OFF, "GL_ATI_texture_env_combine3", F(ATI_texture_env_combine3)},
{ ON, "GL_EXT_abgr", 0 },
{ ON, "GL_EXT_bgra", 0 },
{ OFF, "GL_EXT_blend_color", F(EXT_blend_color) },
@ -157,6 +158,7 @@ _mesa_enable_sw_extensions(GLcontext *ctx)
"GL_ARB_texture_env_crossbar",
"GL_ARB_texture_env_dot3",
"GL_ARB_texture_mirrored_repeat",
"GL_ATI_texture_env_combine3",
"GL_ATI_texture_mirror_once",
"GL_EXT_blend_color",
"GL_EXT_blend_func_separate",

3
src/mesa/main/mtypes.h
View file

@ -1,4 +1,4 @@
/* $Id: mtypes.h,v 1.98 2003/01/14 04:55:45 brianp Exp $ */
/* $Id: mtypes.h,v 1.99 2003/01/21 15:49:15 brianp Exp $ */
/*
* Mesa 3-D graphics library
@ -1348,6 +1348,7 @@ struct gl_extensions {
GLboolean ARB_texture_mirrored_repeat;
GLboolean ARB_window_pos;
GLboolean ATI_texture_mirror_once;
GLboolean ATI_texture_env_combine3;
GLboolean EXT_blend_color;
GLboolean EXT_blend_func_separate;
GLboolean EXT_blend_logic_op;

256
src/mesa/main/texstate.c
View file

@ -1,4 +1,4 @@
/* $Id: texstate.c,v 1.91 2003/01/16 15:22:13 brianp Exp $ */
/* $Id: texstate.c,v 1.92 2003/01/21 15:49:17 brianp Exp $ */
/*
* Mesa 3-D graphics library
@ -171,7 +171,7 @@ _mesa_TexEnvfv( GLenum target, GLenum pname, const GLfloat *param )
mode == GL_DECAL ||
mode == GL_REPLACE ||
(mode == GL_ADD && ctx->Extensions.EXT_texture_env_add) ||
(mode == GL_COMBINE_EXT &&
(mode == GL_COMBINE &&
(ctx->Extensions.EXT_texture_env_combine ||
ctx->Extensions.ARB_texture_env_combine))) {
/* legal */
@ -199,7 +199,7 @@ _mesa_TexEnvfv( GLenum target, GLenum pname, const GLfloat *param )
COPY_4FV(texUnit->EnvColor, tmp);
}
break;
case GL_COMBINE_RGB_EXT:
case GL_COMBINE_RGB:
if (ctx->Extensions.EXT_texture_env_combine ||
ctx->Extensions.ARB_texture_env_combine) {
const GLenum mode = (GLenum) (GLint) *param;
@ -207,11 +207,11 @@ _mesa_TexEnvfv( GLenum target, GLenum pname, const GLfloat *param )
case GL_REPLACE:
case GL_MODULATE:
case GL_ADD:
case GL_ADD_SIGNED_EXT:
case GL_INTERPOLATE_EXT:
case GL_ADD_SIGNED:
case GL_INTERPOLATE:
/* OK */
break;
case GL_SUBTRACT_ARB:
case GL_SUBTRACT:
if (!ctx->Extensions.ARB_texture_env_combine) {
TE_ERROR(GL_INVALID_ENUM, "glTexEnv(param=%s)", mode);
return;
@ -224,13 +224,21 @@ _mesa_TexEnvfv( GLenum target, GLenum pname, const GLfloat *param )
return;
}
break;
case GL_DOT3_RGB_ARB:
case GL_DOT3_RGBA_ARB:
case GL_DOT3_RGB:
case GL_DOT3_RGBA:
if (!ctx->Extensions.ARB_texture_env_dot3) {
TE_ERROR(GL_INVALID_ENUM, "glTexEnv(param=%s)", mode);
return;
}
break;
case GL_MODULATE_ADD_ATI:
case GL_MODULATE_SIGNED_ADD_ATI:
case GL_MODULATE_SUBTRACT_ATI:
if (!ctx->Extensions.ATI_texture_env_combine3) {
TE_ERROR(GL_INVALID_ENUM, "glTexEnv(param=%s)", mode);
return;
}
break;
default:
TE_ERROR(GL_INVALID_ENUM, "glTexEnv(param=%s)", mode);
return;
@ -245,47 +253,63 @@ _mesa_TexEnvfv( GLenum target, GLenum pname, const GLfloat *param )
return;
}
break;
case GL_COMBINE_ALPHA_EXT:
case GL_COMBINE_ALPHA:
if (ctx->Extensions.EXT_texture_env_combine ||
ctx->Extensions.ARB_texture_env_combine) {
const GLenum mode = (GLenum) (GLint) *param;
if (mode == GL_REPLACE ||
mode == GL_MODULATE ||
mode == GL_ADD ||
mode == GL_ADD_SIGNED_EXT ||
mode == GL_INTERPOLATE_EXT ||
(mode == GL_SUBTRACT_ARB &&
ctx->Extensions.ARB_texture_env_combine)) {
/* legal */
if (texUnit->CombineModeA == mode)
return;
FLUSH_VERTICES(ctx, _NEW_TEXTURE);
texUnit->CombineModeA = mode;
}
else {
TE_ERROR(GL_INVALID_ENUM, "glTexEnv(param=%s)", mode);
switch (mode) {
case GL_REPLACE:
case GL_MODULATE:
case GL_ADD:
case GL_ADD_SIGNED:
case GL_INTERPOLATE:
/* OK */
break;
case GL_SUBTRACT:
if (!ctx->Extensions.ARB_texture_env_combine) {
TE_ERROR(GL_INVALID_ENUM, "glTexEnv(param=%s)", mode);
return;
}
break;
case GL_MODULATE_ADD_ATI:
case GL_MODULATE_SIGNED_ADD_ATI:
case GL_MODULATE_SUBTRACT_ATI:
if (!ctx->Extensions.ATI_texture_env_combine3) {
TE_ERROR(GL_INVALID_ENUM, "glTexEnv(param=%s)", mode);
return;
}
break;
default:
TE_ERROR(GL_INVALID_ENUM, "glTexEnv(param=%s)", mode);
return;
}
if (texUnit->CombineModeA == mode)
return;
FLUSH_VERTICES(ctx, _NEW_TEXTURE);
texUnit->CombineModeA = mode;
}
else {
TE_ERROR(GL_INVALID_ENUM, "glTexEnv(pname=%s)", pname);
return;
}
break;
case GL_SOURCE0_RGB_EXT:
case GL_SOURCE1_RGB_EXT:
case GL_SOURCE2_RGB_EXT:
case GL_SOURCE0_RGB:
case GL_SOURCE1_RGB:
case GL_SOURCE2_RGB:
if (ctx->Extensions.EXT_texture_env_combine ||
ctx->Extensions.ARB_texture_env_combine) {
const GLenum source = (GLenum) (GLint) *param;
const GLuint s = pname - GL_SOURCE0_RGB_EXT;
const GLuint s = pname - GL_SOURCE0_RGB;
if (source == GL_TEXTURE ||
source == GL_CONSTANT_EXT ||
source == GL_PRIMARY_COLOR_EXT ||
source == GL_PREVIOUS_EXT ||
source == GL_CONSTANT ||
source == GL_PRIMARY_COLOR ||
source == GL_PREVIOUS ||
(ctx->Extensions.ARB_texture_env_crossbar &&
source >= GL_TEXTURE0_ARB &&
source < GL_TEXTURE0_ARB + ctx->Const.MaxTextureUnits)) {
source >= GL_TEXTURE0 &&
source < GL_TEXTURE0 + ctx->Const.MaxTextureUnits) ||
(ctx->Extensions.ATI_texture_env_combine3 &&
(source == GL_ZERO || source == GL_ONE))) {
/* legal */
if (texUnit->CombineSourceRGB[s] == source)
return;
@ -302,20 +326,22 @@ _mesa_TexEnvfv( GLenum target, GLenum pname, const GLfloat *param )
return;
}
break;
case GL_SOURCE0_ALPHA_EXT:
case GL_SOURCE1_ALPHA_EXT:
case GL_SOURCE2_ALPHA_EXT:
case GL_SOURCE0_ALPHA:
case GL_SOURCE1_ALPHA:
case GL_SOURCE2_ALPHA:
if (ctx->Extensions.EXT_texture_env_combine ||
ctx->Extensions.ARB_texture_env_combine) {
const GLenum source = (GLenum) (GLint) *param;
const GLuint s = pname - GL_SOURCE0_ALPHA_EXT;
const GLuint s = pname - GL_SOURCE0_ALPHA;
if (source == GL_TEXTURE ||
source == GL_CONSTANT_EXT ||
source == GL_PRIMARY_COLOR_EXT ||
source == GL_PREVIOUS_EXT ||
source == GL_CONSTANT ||
source == GL_PRIMARY_COLOR ||
source == GL_PREVIOUS ||
(ctx->Extensions.ARB_texture_env_crossbar &&
source >= GL_TEXTURE0_ARB &&
source < GL_TEXTURE0_ARB + ctx->Const.MaxTextureUnits)) {
source >= GL_TEXTURE0 &&
source < GL_TEXTURE0 + ctx->Const.MaxTextureUnits) ||
(ctx->Extensions.ATI_texture_env_combine3 &&
(source == GL_ZERO || source == GL_ONE))) {
/* legal */
if (texUnit->CombineSourceA[s] == source)
return;
@ -332,12 +358,12 @@ _mesa_TexEnvfv( GLenum target, GLenum pname, const GLfloat *param )
return;
}
break;
case GL_OPERAND0_RGB_EXT:
case GL_OPERAND1_RGB_EXT:
case GL_OPERAND0_RGB:
case GL_OPERAND1_RGB:
if (ctx->Extensions.EXT_texture_env_combine ||
ctx->Extensions.ARB_texture_env_combine) {
const GLenum operand = (GLenum) (GLint) *param;
const GLuint s = pname - GL_OPERAND0_RGB_EXT;
const GLuint s = pname - GL_OPERAND0_RGB;
switch (operand) {
case GL_SRC_COLOR:
case GL_ONE_MINUS_SRC_COLOR:
@ -358,19 +384,19 @@ _mesa_TexEnvfv( GLenum target, GLenum pname, const GLfloat *param )
return;
}
break;
case GL_OPERAND0_ALPHA_EXT:
case GL_OPERAND1_ALPHA_EXT:
case GL_OPERAND0_ALPHA:
case GL_OPERAND1_ALPHA:
if (ctx->Extensions.EXT_texture_env_combine ||
ctx->Extensions.ARB_texture_env_combine) {
const GLenum operand = (GLenum) (GLint) *param;
switch (operand) {
case GL_SRC_ALPHA:
case GL_ONE_MINUS_SRC_ALPHA:
if (texUnit->CombineOperandA[pname-GL_OPERAND0_ALPHA_EXT] ==
if (texUnit->CombineOperandA[pname-GL_OPERAND0_ALPHA] ==
operand)
return;
FLUSH_VERTICES(ctx, _NEW_TEXTURE);
texUnit->CombineOperandA[pname-GL_OPERAND0_ALPHA_EXT] = operand;
texUnit->CombineOperandA[pname-GL_OPERAND0_ALPHA] = operand;
break;
default:
TE_ERROR(GL_INVALID_ENUM, "glTexEnv(param=%s)", operand);
@ -382,7 +408,7 @@ _mesa_TexEnvfv( GLenum target, GLenum pname, const GLfloat *param )
return;
}
break;
case GL_OPERAND2_RGB_EXT:
case GL_OPERAND2_RGB:
if (ctx->Extensions.EXT_texture_env_combine ||
ctx->Extensions.ARB_texture_env_combine) {
const GLenum operand = (GLenum) (GLint) *param;
@ -405,7 +431,7 @@ _mesa_TexEnvfv( GLenum target, GLenum pname, const GLfloat *param )
return;
}
break;
case GL_OPERAND2_ALPHA_EXT:
case GL_OPERAND2_ALPHA:
if (ctx->Extensions.EXT_texture_env_combine ||
ctx->Extensions.ARB_texture_env_combine) {
const GLenum operand = (GLenum) (GLint) *param;
@ -427,7 +453,7 @@ _mesa_TexEnvfv( GLenum target, GLenum pname, const GLfloat *param )
return;
}
break;
case GL_RGB_SCALE_EXT:
case GL_RGB_SCALE:
if (ctx->Extensions.EXT_texture_env_combine ||
ctx->Extensions.ARB_texture_env_combine) {
GLuint newshift;
@ -604,7 +630,7 @@ _mesa_GetTexEnvfv( GLenum target, GLenum pname, GLfloat *params )
case GL_TEXTURE_ENV_COLOR:
COPY_4FV( params, texUnit->EnvColor );
break;
case GL_COMBINE_RGB_EXT:
case GL_COMBINE_RGB:
if (ctx->Extensions.EXT_texture_env_combine ||
ctx->Extensions.ARB_texture_env_combine) {
*params = (GLfloat) texUnit->CombineModeRGB;
@ -613,7 +639,7 @@ _mesa_GetTexEnvfv( GLenum target, GLenum pname, GLfloat *params )
_mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
}
break;
case GL_COMBINE_ALPHA_EXT:
case GL_COMBINE_ALPHA:
if (ctx->Extensions.EXT_texture_env_combine ||
ctx->Extensions.ARB_texture_env_combine) {
*params = (GLfloat) texUnit->CombineModeA;
@ -622,7 +648,7 @@ _mesa_GetTexEnvfv( GLenum target, GLenum pname, GLfloat *params )
_mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
}
break;
case GL_SOURCE0_RGB_EXT:
case GL_SOURCE0_RGB:
if (ctx->Extensions.EXT_texture_env_combine ||
ctx->Extensions.ARB_texture_env_combine) {
*params = (GLfloat) texUnit->CombineSourceRGB[0];
@ -631,7 +657,7 @@ _mesa_GetTexEnvfv( GLenum target, GLenum pname, GLfloat *params )
_mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
}
break;
case GL_SOURCE1_RGB_EXT:
case GL_SOURCE1_RGB:
if (ctx->Extensions.EXT_texture_env_combine ||
ctx->Extensions.ARB_texture_env_combine) {
*params = (GLfloat) texUnit->CombineSourceRGB[1];
@ -640,7 +666,7 @@ _mesa_GetTexEnvfv( GLenum target, GLenum pname, GLfloat *params )
_mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
}
break;
case GL_SOURCE2_RGB_EXT:
case GL_SOURCE2_RGB:
if (ctx->Extensions.EXT_texture_env_combine ||
ctx->Extensions.ARB_texture_env_combine) {
*params = (GLfloat) texUnit->CombineSourceRGB[2];
@ -649,7 +675,7 @@ _mesa_GetTexEnvfv( GLenum target, GLenum pname, GLfloat *params )
_mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
}
break;
case GL_SOURCE0_ALPHA_EXT:
case GL_SOURCE0_ALPHA:
if (ctx->Extensions.EXT_texture_env_combine ||
ctx->Extensions.ARB_texture_env_combine) {
*params = (GLfloat) texUnit->CombineSourceA[0];
@ -658,7 +684,7 @@ _mesa_GetTexEnvfv( GLenum target, GLenum pname, GLfloat *params )
_mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
}
break;
case GL_SOURCE1_ALPHA_EXT:
case GL_SOURCE1_ALPHA:
if (ctx->Extensions.EXT_texture_env_combine ||
ctx->Extensions.ARB_texture_env_combine) {
*params = (GLfloat) texUnit->CombineSourceA[1];
@ -667,7 +693,7 @@ _mesa_GetTexEnvfv( GLenum target, GLenum pname, GLfloat *params )
_mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
}
break;
case GL_SOURCE2_ALPHA_EXT:
case GL_SOURCE2_ALPHA:
if (ctx->Extensions.EXT_texture_env_combine ||
ctx->Extensions.ARB_texture_env_combine) {
*params = (GLfloat) texUnit->CombineSourceA[2];
@ -676,7 +702,7 @@ _mesa_GetTexEnvfv( GLenum target, GLenum pname, GLfloat *params )
_mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
}
break;
case GL_OPERAND0_RGB_EXT:
case GL_OPERAND0_RGB:
if (ctx->Extensions.EXT_texture_env_combine ||
ctx->Extensions.ARB_texture_env_combine) {
*params = (GLfloat) texUnit->CombineOperandRGB[0];
@ -685,7 +711,7 @@ _mesa_GetTexEnvfv( GLenum target, GLenum pname, GLfloat *params )
_mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
}
break;
case GL_OPERAND1_RGB_EXT:
case GL_OPERAND1_RGB:
if (ctx->Extensions.EXT_texture_env_combine ||
ctx->Extensions.ARB_texture_env_combine) {
*params = (GLfloat) texUnit->CombineOperandRGB[1];
@ -694,7 +720,7 @@ _mesa_GetTexEnvfv( GLenum target, GLenum pname, GLfloat *params )
_mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
}
break;
case GL_OPERAND2_RGB_EXT:
case GL_OPERAND2_RGB:
if (ctx->Extensions.EXT_texture_env_combine ||
ctx->Extensions.ARB_texture_env_combine) {
*params = (GLfloat) texUnit->CombineOperandRGB[2];
@ -703,7 +729,7 @@ _mesa_GetTexEnvfv( GLenum target, GLenum pname, GLfloat *params )
_mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
}
break;
case GL_OPERAND0_ALPHA_EXT:
case GL_OPERAND0_ALPHA:
if (ctx->Extensions.EXT_texture_env_combine ||
ctx->Extensions.ARB_texture_env_combine) {
*params = (GLfloat) texUnit->CombineOperandA[0];
@ -712,7 +738,7 @@ _mesa_GetTexEnvfv( GLenum target, GLenum pname, GLfloat *params )
_mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
}
break;
case GL_OPERAND1_ALPHA_EXT:
case GL_OPERAND1_ALPHA:
if (ctx->Extensions.EXT_texture_env_combine ||
ctx->Extensions.ARB_texture_env_combine) {
*params = (GLfloat) texUnit->CombineOperandA[1];
@ -721,7 +747,7 @@ _mesa_GetTexEnvfv( GLenum target, GLenum pname, GLfloat *params )
_mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
}
break;
case GL_OPERAND2_ALPHA_EXT:
case GL_OPERAND2_ALPHA:
if (ctx->Extensions.EXT_texture_env_combine ||
ctx->Extensions.ARB_texture_env_combine) {
*params = (GLfloat) texUnit->CombineOperandA[2];
@ -730,7 +756,7 @@ _mesa_GetTexEnvfv( GLenum target, GLenum pname, GLfloat *params )
_mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
}
break;
case GL_RGB_SCALE_EXT:
case GL_RGB_SCALE:
if (ctx->Extensions.EXT_texture_env_combine ||
ctx->Extensions.ARB_texture_env_combine) {
if (texUnit->CombineScaleShiftRGB == 0)
@ -817,7 +843,7 @@ _mesa_GetTexEnviv( GLenum target, GLenum pname, GLint *params )
params[2] = FLOAT_TO_INT( texUnit->EnvColor[2] );
params[3] = FLOAT_TO_INT( texUnit->EnvColor[3] );
break;
case GL_COMBINE_RGB_EXT:
case GL_COMBINE_RGB:
if (ctx->Extensions.EXT_texture_env_combine ||
ctx->Extensions.ARB_texture_env_combine) {
*params = (GLint) texUnit->CombineModeRGB;
@ -826,7 +852,7 @@ _mesa_GetTexEnviv( GLenum target, GLenum pname, GLint *params )
_mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
}
break;
case GL_COMBINE_ALPHA_EXT:
case GL_COMBINE_ALPHA:
if (ctx->Extensions.EXT_texture_env_combine ||
ctx->Extensions.ARB_texture_env_combine) {
*params = (GLint) texUnit->CombineModeA;
@ -835,7 +861,7 @@ _mesa_GetTexEnviv( GLenum target, GLenum pname, GLint *params )
_mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
}
break;
case GL_SOURCE0_RGB_EXT:
case GL_SOURCE0_RGB:
if (ctx->Extensions.EXT_texture_env_combine ||
ctx->Extensions.ARB_texture_env_combine) {
*params = (GLint) texUnit->CombineSourceRGB[0];
@ -844,7 +870,7 @@ _mesa_GetTexEnviv( GLenum target, GLenum pname, GLint *params )
_mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
}
break;
case GL_SOURCE1_RGB_EXT:
case GL_SOURCE1_RGB:
if (ctx->Extensions.EXT_texture_env_combine ||
ctx->Extensions.ARB_texture_env_combine) {
*params = (GLint) texUnit->CombineSourceRGB[1];
@ -853,7 +879,7 @@ _mesa_GetTexEnviv( GLenum target, GLenum pname, GLint *params )
_mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
}
break;
case GL_SOURCE2_RGB_EXT:
case GL_SOURCE2_RGB:
if (ctx->Extensions.EXT_texture_env_combine ||
ctx->Extensions.ARB_texture_env_combine) {
*params = (GLint) texUnit->CombineSourceRGB[2];
@ -862,7 +888,7 @@ _mesa_GetTexEnviv( GLenum target, GLenum pname, GLint *params )
_mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
}
break;
case GL_SOURCE0_ALPHA_EXT:
case GL_SOURCE0_ALPHA:
if (ctx->Extensions.EXT_texture_env_combine ||
ctx->Extensions.ARB_texture_env_combine) {
*params = (GLint) texUnit->CombineSourceA[0];
@ -871,7 +897,7 @@ _mesa_GetTexEnviv( GLenum target, GLenum pname, GLint *params )
_mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
}
break;
case GL_SOURCE1_ALPHA_EXT:
case GL_SOURCE1_ALPHA:
if (ctx->Extensions.EXT_texture_env_combine ||
ctx->Extensions.ARB_texture_env_combine) {
*params = (GLint) texUnit->CombineSourceA[1];
@ -880,7 +906,7 @@ _mesa_GetTexEnviv( GLenum target, GLenum pname, GLint *params )
_mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
}
break;
case GL_SOURCE2_ALPHA_EXT:
case GL_SOURCE2_ALPHA:
if (ctx->Extensions.EXT_texture_env_combine ||
ctx->Extensions.ARB_texture_env_combine) {
*params = (GLint) texUnit->CombineSourceA[2];
@ -889,7 +915,7 @@ _mesa_GetTexEnviv( GLenum target, GLenum pname, GLint *params )
_mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
}
break;
case GL_OPERAND0_RGB_EXT:
case GL_OPERAND0_RGB:
if (ctx->Extensions.EXT_texture_env_combine ||
ctx->Extensions.ARB_texture_env_combine) {
*params = (GLint) texUnit->CombineOperandRGB[0];
@ -898,7 +924,7 @@ _mesa_GetTexEnviv( GLenum target, GLenum pname, GLint *params )
_mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
}
break;
case GL_OPERAND1_RGB_EXT:
case GL_OPERAND1_RGB:
if (ctx->Extensions.EXT_texture_env_combine ||
ctx->Extensions.ARB_texture_env_combine) {
*params = (GLint) texUnit->CombineOperandRGB[1];
@ -907,7 +933,7 @@ _mesa_GetTexEnviv( GLenum target, GLenum pname, GLint *params )
_mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
}
break;
case GL_OPERAND2_RGB_EXT:
case GL_OPERAND2_RGB:
if (ctx->Extensions.EXT_texture_env_combine ||
ctx->Extensions.ARB_texture_env_combine) {
*params = (GLint) texUnit->CombineOperandRGB[2];
@ -916,7 +942,7 @@ _mesa_GetTexEnviv( GLenum target, GLenum pname, GLint *params )
_mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
}
break;
case GL_OPERAND0_ALPHA_EXT:
case GL_OPERAND0_ALPHA:
if (ctx->Extensions.EXT_texture_env_combine ||
ctx->Extensions.ARB_texture_env_combine) {
*params = (GLint) texUnit->CombineOperandA[0];
@ -925,7 +951,7 @@ _mesa_GetTexEnviv( GLenum target, GLenum pname, GLint *params )
_mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
}
break;
case GL_OPERAND1_ALPHA_EXT:
case GL_OPERAND1_ALPHA:
if (ctx->Extensions.EXT_texture_env_combine ||
ctx->Extensions.ARB_texture_env_combine) {
*params = (GLint) texUnit->CombineOperandA[1];
@ -934,7 +960,7 @@ _mesa_GetTexEnviv( GLenum target, GLenum pname, GLint *params )
_mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
}
break;
case GL_OPERAND2_ALPHA_EXT:
case GL_OPERAND2_ALPHA:
if (ctx->Extensions.EXT_texture_env_combine ||
ctx->Extensions.ARB_texture_env_combine) {
*params = (GLint) texUnit->CombineOperandA[2];
@ -943,7 +969,7 @@ _mesa_GetTexEnviv( GLenum target, GLenum pname, GLint *params )
_mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
}
break;
case GL_RGB_SCALE_EXT:
case GL_RGB_SCALE:
if (ctx->Extensions.EXT_texture_env_combine ||
ctx->Extensions.ARB_texture_env_combine) {
if (texUnit->CombineScaleShiftRGB == 0)
@ -1049,10 +1075,10 @@ _mesa_TexParameterfv( GLenum target, GLenum pname, const GLfloat *params )
case GL_TEXTURE_2D:
texObj = texUnit->Current2D;
break;
case GL_TEXTURE_3D_EXT:
case GL_TEXTURE_3D:
texObj = texUnit->Current3D;
break;
case GL_TEXTURE_CUBE_MAP_ARB:
case GL_TEXTURE_CUBE_MAP:
if (!ctx->Extensions.ARB_texture_cube_map) {
_mesa_error( ctx, GL_INVALID_ENUM, "glTexParameter(target)" );
return;
@ -1111,7 +1137,7 @@ _mesa_TexParameterfv( GLenum target, GLenum pname, const GLfloat *params )
if (texObj->WrapS == eparam)
return;
if (eparam == GL_CLAMP || eparam == GL_CLAMP_TO_EDGE ||
(eparam == GL_CLAMP_TO_BORDER_ARB &&
(eparam == GL_CLAMP_TO_BORDER &&
ctx->Extensions.ARB_texture_border_clamp)) {
/* any texture target */
FLUSH_VERTICES(ctx, _NEW_TEXTURE);
@ -1119,7 +1145,7 @@ _mesa_TexParameterfv( GLenum target, GLenum pname, const GLfloat *params )
}
else if (texObj->Target != GL_TEXTURE_RECTANGLE_NV &&
(eparam == GL_REPEAT ||
(eparam == GL_MIRRORED_REPEAT_ARB &&
(eparam == GL_MIRRORED_REPEAT &&
ctx->Extensions.ARB_texture_mirrored_repeat) ||
(eparam == GL_MIRROR_CLAMP_ATI &&
ctx->Extensions.ATI_texture_mirror_once) ||
@ -1138,7 +1164,7 @@ _mesa_TexParameterfv( GLenum target, GLenum pname, const GLfloat *params )
if (texObj->WrapT == eparam)
return;
if (eparam == GL_CLAMP || eparam == GL_CLAMP_TO_EDGE ||
(eparam == GL_CLAMP_TO_BORDER_ARB &&
(eparam == GL_CLAMP_TO_BORDER &&
ctx->Extensions.ARB_texture_border_clamp)) {
/* any texture target */
FLUSH_VERTICES(ctx, _NEW_TEXTURE);
@ -1146,7 +1172,7 @@ _mesa_TexParameterfv( GLenum target, GLenum pname, const GLfloat *params )
}
else if (texObj->Target != GL_TEXTURE_RECTANGLE_NV &&
(eparam == GL_REPEAT ||
(eparam == GL_MIRRORED_REPEAT_ARB &&
(eparam == GL_MIRRORED_REPEAT &&
ctx->Extensions.ARB_texture_mirrored_repeat) ||
(eparam == GL_MIRROR_CLAMP_ATI &&
ctx->Extensions.ATI_texture_mirror_once) ||
@ -1161,11 +1187,11 @@ _mesa_TexParameterfv( GLenum target, GLenum pname, const GLfloat *params )
return;
}
break;
case GL_TEXTURE_WRAP_R_EXT:
case GL_TEXTURE_WRAP_R:
if (texObj->WrapR == eparam)
return;
if (eparam == GL_CLAMP || eparam == GL_CLAMP_TO_EDGE ||
(eparam == GL_CLAMP_TO_BORDER_ARB &&
(eparam == GL_CLAMP_TO_BORDER &&
ctx->Extensions.ARB_texture_border_clamp)) {
/* any texture target */
FLUSH_VERTICES(ctx, _NEW_TEXTURE);
@ -1173,7 +1199,7 @@ _mesa_TexParameterfv( GLenum target, GLenum pname, const GLfloat *params )
}
else if (texObj->Target != GL_TEXTURE_RECTANGLE_NV &&
(eparam == GL_REPEAT ||
(eparam == GL_MIRRORED_REPEAT_ARB &&
(eparam == GL_MIRRORED_REPEAT &&
ctx->Extensions.ARB_texture_mirrored_repeat) ||
(eparam == GL_MIRROR_CLAMP_ATI &&
ctx->Extensions.ATI_texture_mirror_once) ||
@ -1433,14 +1459,14 @@ tex_image_dimensions(GLcontext *ctx, GLenum target)
case GL_TEXTURE_3D:
case GL_PROXY_TEXTURE_3D:
return 3;
case GL_TEXTURE_CUBE_MAP_ARB:
case GL_PROXY_TEXTURE_CUBE_MAP_ARB:
case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB:
case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB:
case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB:
case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB:
case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB:
case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB:
case GL_TEXTURE_CUBE_MAP:
case GL_PROXY_TEXTURE_CUBE_MAP:
case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
return ctx->Extensions.ARB_texture_cube_map ? 2 : 0;
case GL_TEXTURE_RECTANGLE_NV:
case GL_PROXY_TEXTURE_RECTANGLE_NV:
@ -1482,13 +1508,13 @@ _mesa_GetTexLevelParameteriv( GLenum target, GLint level,
case GL_PROXY_TEXTURE_3D:
maxLevels = ctx->Const.Max3DTextureLevels;
break;
case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB:
case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB:
case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB:
case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB:
case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB:
case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB:
case GL_PROXY_TEXTURE_CUBE_MAP_ARB:
case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
case GL_PROXY_TEXTURE_CUBE_MAP:
maxLevels = ctx->Const.MaxCubeTextureLevels;
break;
case GL_TEXTURE_RECTANGLE_NV:
@ -1518,7 +1544,7 @@ _mesa_GetTexLevelParameteriv( GLenum target, GLint level,
isProxy = (target == GL_PROXY_TEXTURE_1D) ||
(target == GL_PROXY_TEXTURE_2D) ||
(target == GL_PROXY_TEXTURE_3D) ||
(target == GL_PROXY_TEXTURE_CUBE_MAP_ARB) ||
(target == GL_PROXY_TEXTURE_CUBE_MAP) ||
(target == GL_PROXY_TEXTURE_RECTANGLE_NV);
switch (pname) {
@ -1597,7 +1623,7 @@ _mesa_GetTexLevelParameteriv( GLenum target, GLint level,
return;
/* GL_ARB_texture_compression */
case GL_TEXTURE_COMPRESSED_IMAGE_SIZE_ARB:
case GL_TEXTURE_COMPRESSED_IMAGE_SIZE:
if (ctx->Extensions.ARB_texture_compression) {
if (img->IsCompressed && !isProxy)
*params = img->CompressedSize;
@ -1610,7 +1636,7 @@ _mesa_GetTexLevelParameteriv( GLenum target, GLint level,
"glGetTexLevelParameter[if]v(pname)");
}
return;
case GL_TEXTURE_COMPRESSED_ARB:
case GL_TEXTURE_COMPRESSED:
if (ctx->Extensions.ARB_texture_compression) {
*params = (GLint) img->IsCompressed;
}
@ -1655,7 +1681,7 @@ _mesa_GetTexParameterfv( GLenum target, GLenum pname, GLfloat *params )
case GL_TEXTURE_WRAP_T:
*params = ENUM_TO_FLOAT(obj->WrapT);
return;
case GL_TEXTURE_WRAP_R_EXT:
case GL_TEXTURE_WRAP_R:
*params = ENUM_TO_FLOAT(obj->WrapR);
return;
case GL_TEXTURE_BORDER_COLOR:
@ -1772,7 +1798,7 @@ _mesa_GetTexParameteriv( GLenum target, GLenum pname, GLint *params )
case GL_TEXTURE_WRAP_T:
*params = (GLint) obj->WrapT;
return;
case GL_TEXTURE_WRAP_R_EXT:
case GL_TEXTURE_WRAP_R:
*params = (GLint) obj->WrapR;
return;
case GL_TEXTURE_BORDER_COLOR:
@ -2420,7 +2446,7 @@ void
_mesa_ActiveTextureARB( GLenum target )
{
GET_CURRENT_CONTEXT(ctx);
GLuint texUnit = target - GL_TEXTURE0_ARB;
GLuint texUnit = target - GL_TEXTURE0;
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE))
@ -2429,7 +2455,7 @@ _mesa_ActiveTextureARB( GLenum target )
/* Cater for texture unit 0 is first, therefore use >= */
if (texUnit >= ctx->Const.MaxTextureUnits) {
_mesa_error(ctx, GL_INVALID_ENUM, "glActiveTextureARB(target)");
_mesa_error(ctx, GL_INVALID_ENUM, "glActiveTexture(target)");
return;
}
@ -2452,11 +2478,11 @@ void
_mesa_ClientActiveTextureARB( GLenum target )
{
GET_CURRENT_CONTEXT(ctx);
GLuint texUnit = target - GL_TEXTURE0_ARB;
GLuint texUnit = target - GL_TEXTURE0;
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (texUnit > ctx->Const.MaxTextureUnits) {
_mesa_error(ctx, GL_INVALID_ENUM, "glClientActiveTextureARB(target)");
_mesa_error(ctx, GL_INVALID_ENUM, "glClientActiveTexture(target)");
return;
}

374
src/mesa/swrast/s_texture.c
View file

@ -1,4 +1,4 @@
/* $Id: s_texture.c,v 1.75 2002/11/12 19:27:24 brianp Exp $ */
/* $Id: s_texture.c,v 1.76 2003/01/21 15:49:19 brianp Exp $ */
/*
* Mesa 3-D graphics library
@ -49,7 +49,7 @@
/*
* Used to compute texel locations for linear sampling.
* Input:
* wrapMode = GL_REPEAT, GL_CLAMP, GL_CLAMP_TO_EDGE, GL_CLAMP_TO_BORDER_ARB
* wrapMode = GL_REPEAT, GL_CLAMP, GL_CLAMP_TO_EDGE, GL_CLAMP_TO_BORDER
* S = texcoord in [0,1]
* SIZE = width (or height or depth) of texture
* Output:
@ -78,7 +78,7 @@
if (I1 >= (GLint) SIZE) \
I1 = SIZE - 1; \
} \
else if (wrapMode == GL_CLAMP_TO_BORDER_ARB) { \
else if (wrapMode == GL_CLAMP_TO_BORDER) { \
const GLfloat min = -1.0F / (2.0F * SIZE); \
const GLfloat max = 1.0F - min; \
if (S <= min) \
@ -91,7 +91,7 @@
I0 = IFLOOR(U); \
I1 = I0 + 1; \
} \
else if (wrapMode == GL_MIRRORED_REPEAT_ARB) { \
else if (wrapMode == GL_MIRRORED_REPEAT) { \
const GLint flr = IFLOOR(S); \
if (flr & 1) \
U = 1.0F - (S - (GLfloat) flr); /* flr is odd */ \
@ -167,7 +167,7 @@
else \
I = IFLOOR(S * SIZE); \
} \
else if (wrapMode == GL_CLAMP_TO_BORDER_ARB) { \
else if (wrapMode == GL_CLAMP_TO_BORDER) { \
/* s limited to [min,max] */ \
/* i limited to [-1, size] */ \
const GLfloat min = -1.0F / (2.0F * SIZE); \
@ -179,7 +179,7 @@
else \
I = IFLOOR(S * SIZE); \
} \
else if (wrapMode == GL_MIRRORED_REPEAT_ARB) { \
else if (wrapMode == GL_MIRRORED_REPEAT) { \
const GLfloat min = 1.0F / (2.0F * SIZE); \
const GLfloat max = 1.0F - min; \
const GLint flr = IFLOOR(S); \
@ -465,7 +465,7 @@ sample_1d_nearest(GLcontext *ctx,
i += img->Border;
if (i < 0 || i >= (GLint) img->Width) {
/* Need this test for GL_CLAMP_TO_BORDER_ARB mode */
/* Need this test for GL_CLAMP_TO_BORDER mode */
COPY_CHAN4(rgba, tObj->_BorderChan);
}
else {
@ -794,7 +794,7 @@ sample_2d_nearest(GLcontext *ctx,
j += img->Border;
if (i < 0 || i >= (GLint) img->Width || j < 0 || j >= (GLint) img->Height) {
/* Need this test for GL_CLAMP_TO_BORDER_ARB mode */
/* Need this test for GL_CLAMP_TO_BORDER mode */
COPY_CHAN4(rgba, tObj->_BorderChan);
}
else {
@ -1382,7 +1382,7 @@ sample_3d_nearest(GLcontext *ctx,
if (i < 0 || i >= (GLint) img->Width ||
j < 0 || j >= (GLint) img->Height ||
k < 0 || k >= (GLint) img->Depth) {
/* Need this test for GL_CLAMP_TO_BORDER_ARB mode */
/* Need this test for GL_CLAMP_TO_BORDER mode */
COPY_CHAN4(rgba, tObj->_BorderChan);
}
else {
@ -2089,10 +2089,10 @@ sample_nearest_rect(GLcontext *ctx, GLuint texUnit,
ASSERT(tObj->WrapS == GL_CLAMP ||
tObj->WrapS == GL_CLAMP_TO_EDGE ||
tObj->WrapS == GL_CLAMP_TO_BORDER_ARB);
tObj->WrapS == GL_CLAMP_TO_BORDER);
ASSERT(tObj->WrapT == GL_CLAMP ||
tObj->WrapT == GL_CLAMP_TO_EDGE ||
tObj->WrapT == GL_CLAMP_TO_BORDER_ARB);
tObj->WrapT == GL_CLAMP_TO_BORDER);
ASSERT(img->Format != GL_COLOR_INDEX);
/* XXX move Wrap mode tests outside of loops for common cases */
@ -2144,10 +2144,10 @@ sample_linear_rect(GLcontext *ctx, GLuint texUnit,
ASSERT(tObj->WrapS == GL_CLAMP ||
tObj->WrapS == GL_CLAMP_TO_EDGE ||
tObj->WrapS == GL_CLAMP_TO_BORDER_ARB);
tObj->WrapS == GL_CLAMP_TO_BORDER);
ASSERT(tObj->WrapT == GL_CLAMP ||
tObj->WrapT == GL_CLAMP_TO_EDGE ||
tObj->WrapT == GL_CLAMP_TO_BORDER_ARB);
tObj->WrapT == GL_CLAMP_TO_BORDER);
ASSERT(img->Format != GL_COLOR_INDEX);
/* XXX lots of opportunity for optimization in this loop */
@ -2736,7 +2736,7 @@ _swrast_choose_texture_sample_func( GLcontext *ctx, GLuint texUnit,
swrast->TextureSample[texUnit] = sample_nearest_3d;
}
break;
case GL_TEXTURE_CUBE_MAP_ARB:
case GL_TEXTURE_CUBE_MAP:
if (needLambda) {
swrast->TextureSample[texUnit] = sample_lambda_cube;
}
@ -2773,14 +2773,16 @@ _swrast_choose_texture_sample_func( GLcontext *ctx, GLuint texUnit,
/**
* Do texture application for GL_ARB/EXT_texture_env_combine.
* Input:
* ctx - rendering context
* textureUnit - the texture unit to apply
* n - number of fragments to process (span width)
* primary_rgba - incoming fragment color array
* texelBuffer - pointer to texel colors for all texture units
* Input/Output:
* rgba - incoming colors, which get modified here
* This function also supports GL_{EXT,ARB}_texture_env_dot3 and
* GL_ATI_texture_env_combine3
*
* \param ctx rendering context
* \param textureUnit the texture unit to apply
* \param n number of fragments to process (span width)
* \param primary_rgba incoming fragment color array
* \param texelBuffer pointer to texel colors for all texture units
*
* \param rgba incoming colors, which get modified here
*/
static INLINE void
texture_combine( const GLcontext *ctx, GLuint unit, GLuint n,
@ -2796,10 +2798,16 @@ texture_combine( const GLcontext *ctx, GLuint unit, GLuint n,
#if CHAN_TYPE == GL_FLOAT
const GLchan RGBmult = (GLfloat) (1 << RGBshift);
const GLchan Amult = (GLfloat) (1 << Ashift);
static const GLchan one[4] = { 1.0, 1.0, 1.0, 1.0 };
static const GLchan zero[4] = { 0.0, 0.0, 0.0, 0.0 };
#else
const GLint half = (CHAN_MAX + 1) / 2;
static const GLchan one[4] = { CHAN_MAX, CHAN_MAX, CHAN_MAX, CHAN_MAX };
static const GLchan zero[4] = { 0, 0, 0, 0 };
#endif
GLuint i, j;
GLuint numColorArgs;
GLuint numAlphaArgs;
/* GLchan ccolor[3][4]; */
DEFMNARRAY(GLchan, ccolor, 3, 3 * MAX_WIDTH, 4); /* mac 32k limitation */
@ -2823,54 +2831,70 @@ texture_combine( const GLcontext *ctx, GLuint unit, GLuint n,
/*
* Do operand setup for up to 3 operands. Loop over the terms.
*/
for (j = 0; j < 3; j++) {
const GLenum srcA = textureUnit->CombineSourceA[j];
switch (textureUnit->CombineModeRGB) {
case GL_REPLACE:
numColorArgs = 1;
break;
case GL_MODULATE:
case GL_ADD:
case GL_ADD_SIGNED:
case GL_SUBTRACT:
case GL_DOT3_RGB:
case GL_DOT3_RGBA:
case GL_DOT3_RGB_EXT:
case GL_DOT3_RGBA_EXT:
numColorArgs = 2;
break;
case GL_INTERPOLATE:
case GL_MODULATE_ADD_ATI:
case GL_MODULATE_SIGNED_ADD_ATI:
case GL_MODULATE_SUBTRACT_ATI:
numColorArgs = 3;
break;
default:
numColorArgs = 0;
ASSERT(0);
break;
}
switch (textureUnit->CombineModeA) {
case GL_REPLACE:
numAlphaArgs = 1;
break;
case GL_MODULATE:
case GL_ADD:
case GL_ADD_SIGNED:
case GL_SUBTRACT:
numAlphaArgs = 2;
break;
case GL_INTERPOLATE:
case GL_MODULATE_ADD_ATI:
case GL_MODULATE_SIGNED_ADD_ATI:
case GL_MODULATE_SUBTRACT_ATI:
numAlphaArgs = 3;
break;
default:
numAlphaArgs = 0;
ASSERT(0);
break;
}
for (j = 0; j < numColorArgs; j++) {
const GLenum srcRGB = textureUnit->CombineSourceRGB[j];
switch (srcA) {
case GL_TEXTURE:
argA[j] = (const GLchan (*)[4])
(texelBuffer + unit * (n * 4 * sizeof(GLchan)));
break;
case GL_PRIMARY_COLOR_EXT:
argA[j] = primary_rgba;
break;
case GL_PREVIOUS_EXT:
argA[j] = (const GLchan (*)[4]) rgba;
break;
case GL_CONSTANT_EXT:
{
GLchan alpha, (*c)[4] = ccolor[j];
UNCLAMPED_FLOAT_TO_CHAN(alpha, textureUnit->EnvColor[3]);
for (i = 0; i < n; i++)
c[i][ACOMP] = alpha;
argA[j] = (const GLchan (*)[4]) ccolor[j];
}
break;
default:
/* ARB_texture_env_crossbar source */
{
const GLuint srcUnit = srcA - GL_TEXTURE0_ARB;
ASSERT(srcUnit < ctx->Const.MaxTextureUnits);
if (!ctx->Texture.Unit[srcUnit]._ReallyEnabled)
return;
argA[j] = (const GLchan (*)[4])
(texelBuffer + srcUnit * (n * 4 * sizeof(GLchan)));
}
}
switch (srcRGB) {
case GL_TEXTURE:
argRGB[j] = (const GLchan (*)[4])
(texelBuffer + unit * (n * 4 * sizeof(GLchan)));
break;
case GL_PRIMARY_COLOR_EXT:
case GL_PRIMARY_COLOR:
argRGB[j] = primary_rgba;
break;
case GL_PREVIOUS_EXT:
case GL_PREVIOUS:
argRGB[j] = (const GLchan (*)[4]) rgba;
break;
case GL_CONSTANT_EXT:
case GL_CONSTANT:
{
GLchan (*c)[4] = ccolor[j];
GLchan red, green, blue, alpha;
@ -2887,10 +2911,18 @@ texture_combine( const GLcontext *ctx, GLuint unit, GLuint n,
argRGB[j] = (const GLchan (*)[4]) ccolor[j];
}
break;
/* GL_ATI_texture_env_combine3 allows GL_ZERO & GL_ONE as sources.
*/
case GL_ZERO:
argRGB[j] = & zero;
break;
case GL_ONE:
argRGB[j] = & one;
break;
default:
/* ARB_texture_env_crossbar source */
{
const GLuint srcUnit = srcRGB - GL_TEXTURE0_ARB;
const GLuint srcUnit = srcRGB - GL_TEXTURE0;
ASSERT(srcUnit < ctx->Const.MaxTextureUnits);
if (!ctx->Texture.Unit[srcUnit]._ReallyEnabled)
return;
@ -2929,6 +2961,51 @@ texture_combine( const GLcontext *ctx, GLuint unit, GLuint n,
}
}
}
}
for (j = 0; j < numAlphaArgs; j++) {
const GLenum srcA = textureUnit->CombineSourceA[j];
switch (srcA) {
case GL_TEXTURE:
argA[j] = (const GLchan (*)[4])
(texelBuffer + unit * (n * 4 * sizeof(GLchan)));
break;
case GL_PRIMARY_COLOR:
argA[j] = primary_rgba;
break;
case GL_PREVIOUS:
argA[j] = (const GLchan (*)[4]) rgba;
break;
case GL_CONSTANT:
{
GLchan alpha, (*c)[4] = ccolor[j];
UNCLAMPED_FLOAT_TO_CHAN(alpha, textureUnit->EnvColor[3]);
for (i = 0; i < n; i++)
c[i][ACOMP] = alpha;
argA[j] = (const GLchan (*)[4]) ccolor[j];
}
break;
/* GL_ATI_texture_env_combine3 allows GL_ZERO & GL_ONE as sources.
*/
case GL_ZERO:
argA[j] = & zero;
break;
case GL_ONE:
argA[j] = & one;
break;
default:
/* ARB_texture_env_crossbar source */
{
const GLuint srcUnit = srcA - GL_TEXTURE0;
ASSERT(srcUnit < ctx->Const.MaxTextureUnits);
if (!ctx->Texture.Unit[srcUnit]._ReallyEnabled)
return;
argA[j] = (const GLchan (*)[4])
(texelBuffer + srcUnit * (n * 4 * sizeof(GLchan)));
}
}
if (textureUnit->CombineOperandA[j] == GL_ONE_MINUS_SRC_ALPHA) {
const GLchan (*src)[4] = argA[j];
@ -2938,17 +3015,6 @@ texture_combine( const GLcontext *ctx, GLuint unit, GLuint n,
dst[i][ACOMP] = CHAN_MAX - src[i][ACOMP];
}
}
if (textureUnit->CombineModeRGB == GL_REPLACE &&
textureUnit->CombineModeA == GL_REPLACE) {
break; /* done, we need only arg0 */
}
if (j == 1 &&
textureUnit->CombineModeRGB != GL_INTERPOLATE_EXT &&
textureUnit->CombineModeA != GL_INTERPOLATE_EXT) {
break; /* arg0 and arg1 are done. we don't need arg2. */
}
}
/*
@ -3026,7 +3092,7 @@ texture_combine( const GLcontext *ctx, GLuint unit, GLuint n,
}
}
break;
case GL_ADD_SIGNED_EXT:
case GL_ADD_SIGNED:
{
const GLchan (*arg0)[4] = (const GLchan (*)[4]) argRGB[0];
const GLchan (*arg1)[4] = (const GLchan (*)[4]) argRGB[1];
@ -3049,7 +3115,7 @@ texture_combine( const GLcontext *ctx, GLuint unit, GLuint n,
}
}
break;
case GL_INTERPOLATE_EXT:
case GL_INTERPOLATE:
{
const GLchan (*arg0)[4] = (const GLchan (*)[4]) argRGB[0];
const GLchan (*arg1)[4] = (const GLchan (*)[4]) argRGB[1];
@ -3082,7 +3148,7 @@ texture_combine( const GLcontext *ctx, GLuint unit, GLuint n,
}
}
break;
case GL_SUBTRACT_ARB:
case GL_SUBTRACT:
{
const GLchan (*arg0)[4] = (const GLchan (*)[4]) argRGB[0];
const GLchan (*arg1)[4] = (const GLchan (*)[4]) argRGB[1];
@ -3128,8 +3194,8 @@ texture_combine( const GLcontext *ctx, GLuint unit, GLuint n,
}
}
break;
case GL_DOT3_RGB_ARB:
case GL_DOT3_RGBA_ARB:
case GL_DOT3_RGB:
case GL_DOT3_RGBA:
{
/* DO scale the result by 1 2 or 4 */
const GLchan (*arg0)[4] = (const GLchan (*)[4]) argRGB[0];
@ -3155,6 +3221,93 @@ texture_combine( const GLcontext *ctx, GLuint unit, GLuint n,
}
}
break;
case GL_MODULATE_ADD_ATI:
{
const GLchan (*arg0)[4] = (const GLchan (*)[4]) argRGB[0];
const GLchan (*arg1)[4] = (const GLchan (*)[4]) argRGB[1];
const GLchan (*arg2)[4] = (const GLchan (*)[4]) argRGB[2];
#if CHAN_TYPE != GL_FLOAT
const GLint shift = CHAN_BITS - RGBshift;
#endif
for (i = 0; i < n; i++) {
#if CHAN_TYPE == GL_FLOAT
rgba[i][RCOMP] = ((arg0[i][RCOMP] * arg2[i][RCOMP]) + arg1[i][RCOMP]) * RGBmult;
rgba[i][GCOMP] = ((arg0[i][GCOMP] * arg2[i][GCOMP]) + arg1[i][GCOMP]) * RGBmult;
rgba[i][BCOMP] = ((arg0[i][BCOMP] * arg2[i][BCOMP]) + arg1[i][BCOMP]) * RGBmult;
#else
GLuint r = (PROD(arg0[i][RCOMP], arg2[i][RCOMP])
+ ((GLuint) arg1[i][RCOMP] << CHAN_BITS)) >> shift;
GLuint g = (PROD(arg0[i][GCOMP], arg2[i][GCOMP])
+ ((GLuint) arg1[i][GCOMP] << CHAN_BITS)) >> shift;
GLuint b = (PROD(arg0[i][BCOMP], arg2[i][BCOMP])
+ ((GLuint) arg1[i][BCOMP] << CHAN_BITS)) >> shift;
rgba[i][RCOMP] = (GLchan) MIN2(r, CHAN_MAX);
rgba[i][GCOMP] = (GLchan) MIN2(g, CHAN_MAX);
rgba[i][BCOMP] = (GLchan) MIN2(b, CHAN_MAX);
#endif
}
}
break;
case GL_MODULATE_SIGNED_ADD_ATI:
{
const GLchan (*arg0)[4] = (const GLchan (*)[4]) argRGB[0];
const GLchan (*arg1)[4] = (const GLchan (*)[4]) argRGB[1];
const GLchan (*arg2)[4] = (const GLchan (*)[4]) argRGB[2];
#if CHAN_TYPE != GL_FLOAT
const GLint shift = CHAN_BITS - RGBshift;
#endif
for (i = 0; i < n; i++) {
#if CHAN_TYPE == GL_FLOAT
rgba[i][RCOMP] = ((arg0[i][RCOMP] * arg2[i][RCOMP]) + arg1[i][RCOMP] - 0.5) * RGBmult;
rgba[i][GCOMP] = ((arg0[i][GCOMP] * arg2[i][GCOMP]) + arg1[i][GCOMP] - 0.5) * RGBmult;
rgba[i][BCOMP] = ((arg0[i][BCOMP] * arg2[i][BCOMP]) + arg1[i][BCOMP] - 0.5) * RGBmult;
#else
GLint r = (S_PROD(arg0[i][RCOMP], arg2[i][RCOMP])
+ (((GLint) arg1[i][RCOMP] - half) << CHAN_BITS))
>> shift;
GLint g = (S_PROD(arg0[i][GCOMP], arg2[i][GCOMP])
+ (((GLint) arg1[i][GCOMP] - half) << CHAN_BITS))
>> shift;
GLint b = (S_PROD(arg0[i][BCOMP], arg2[i][BCOMP])
+ (((GLint) arg1[i][BCOMP] - half) << CHAN_BITS))
>> shift;
rgba[i][RCOMP] = (GLchan) CLAMP(r, 0, CHAN_MAX);
rgba[i][GCOMP] = (GLchan) CLAMP(g, 0, CHAN_MAX);
rgba[i][BCOMP] = (GLchan) CLAMP(b, 0, CHAN_MAX);
#endif
}
}
break;
case GL_MODULATE_SUBTRACT_ATI:
{
const GLchan (*arg0)[4] = (const GLchan (*)[4]) argRGB[0];
const GLchan (*arg1)[4] = (const GLchan (*)[4]) argRGB[1];
const GLchan (*arg2)[4] = (const GLchan (*)[4]) argRGB[2];
#if CHAN_TYPE != GL_FLOAT
const GLint shift = CHAN_BITS - RGBshift;
#endif
for (i = 0; i < n; i++) {
#if CHAN_TYPE == GL_FLOAT
rgba[i][RCOMP] = ((arg0[i][RCOMP] * arg2[i][RCOMP]) - arg1[i][RCOMP]) * RGBmult;
rgba[i][GCOMP] = ((arg0[i][GCOMP] * arg2[i][GCOMP]) - arg1[i][GCOMP]) * RGBmult;
rgba[i][BCOMP] = ((arg0[i][BCOMP] * arg2[i][BCOMP]) - arg1[i][BCOMP]) * RGBmult;
#else
GLint r = (S_PROD(arg0[i][RCOMP], arg2[i][RCOMP])
- ((GLint) arg1[i][RCOMP] << CHAN_BITS))
>> shift;
GLint g = (S_PROD(arg0[i][GCOMP], arg2[i][GCOMP])
- ((GLint) arg1[i][GCOMP] << CHAN_BITS))
>> shift;
GLint b = (S_PROD(arg0[i][BCOMP], arg2[i][BCOMP])
- ((GLint) arg1[i][BCOMP] << CHAN_BITS))
>> shift;
rgba[i][RCOMP] = (GLchan) CLAMP(r, 0, CHAN_MAX);
rgba[i][GCOMP] = (GLchan) CLAMP(g, 0, CHAN_MAX);
rgba[i][BCOMP] = (GLchan) CLAMP(b, 0, CHAN_MAX);
#endif
}
}
break;
default:
_mesa_problem(ctx, "invalid combine mode");
}
@ -3211,7 +3364,7 @@ texture_combine( const GLcontext *ctx, GLuint unit, GLuint n,
}
}
break;
case GL_ADD_SIGNED_EXT:
case GL_ADD_SIGNED:
{
const GLchan (*arg0)[4] = (const GLchan (*)[4]) argA[0];
const GLchan (*arg1)[4] = (const GLchan (*)[4]) argA[1];
@ -3226,7 +3379,7 @@ texture_combine( const GLcontext *ctx, GLuint unit, GLuint n,
}
}
break;
case GL_INTERPOLATE_EXT:
case GL_INTERPOLATE:
{
const GLchan (*arg0)[4] = (const GLchan (*)[4]) argA[0];
const GLchan (*arg1)[4] = (const GLchan (*)[4]) argA[1];
@ -3248,7 +3401,7 @@ texture_combine( const GLcontext *ctx, GLuint unit, GLuint n,
}
}
break;
case GL_SUBTRACT_ARB:
case GL_SUBTRACT:
{
const GLchan (*arg0)[4] = (const GLchan (*)[4]) argA[0];
const GLchan (*arg1)[4] = (const GLchan (*)[4]) argA[1];
@ -3262,7 +3415,66 @@ texture_combine( const GLcontext *ctx, GLuint unit, GLuint n,
}
}
break;
case GL_MODULATE_ADD_ATI:
{
const GLchan (*arg0)[4] = (const GLchan (*)[4]) argA[0];
const GLchan (*arg1)[4] = (const GLchan (*)[4]) argA[1];
const GLchan (*arg2)[4] = (const GLchan (*)[4]) argA[2];
#if CHAN_TYPE != GL_FLOAT
const GLint shift = CHAN_BITS - Ashift;
#endif
for (i = 0; i < n; i++) {
#if CHAN_TYPE == GL_FLOAT
rgba[i][ACOMP] = ((arg0[i][ACOMP] * arg2[i][ACOMP]) + arg1[i][ACOMP]) * Amult;
#else
GLuint a = (PROD(arg0[i][ACOMP], arg2[i][ACOMP])
+ ((GLuint) arg1[i][ACOMP] << CHAN_BITS))
>> shift;
rgba[i][ACOMP] = (GLchan) CLAMP(a, 0, CHAN_MAX);
#endif
}
}
break;
case GL_MODULATE_SIGNED_ADD_ATI:
{
const GLchan (*arg0)[4] = (const GLchan (*)[4]) argA[0];
const GLchan (*arg1)[4] = (const GLchan (*)[4]) argA[1];
const GLchan (*arg2)[4] = (const GLchan (*)[4]) argA[2];
#if CHAN_TYPE != GL_FLOAT
const GLint shift = CHAN_BITS - Ashift;
#endif
for (i = 0; i < n; i++) {
#if CHAN_TYPE == GL_FLOAT
rgba[i][ACOMP] = ((arg0[i][ACOMP] * arg2[i][ACOMP]) + arg1[i][ACOMP] - 0.5F) * Amult;
#else
GLint a = (S_PROD(arg0[i][ACOMP], arg2[i][ACOMP])
+ (((GLint) arg1[i][ACOMP] - half) << CHAN_BITS))
>> shift;
rgba[i][ACOMP] = (GLchan) CLAMP(a, 0, CHAN_MAX);
#endif
}
}
break;
case GL_MODULATE_SUBTRACT_ATI:
{
const GLchan (*arg0)[4] = (const GLchan (*)[4]) argA[0];
const GLchan (*arg1)[4] = (const GLchan (*)[4]) argA[1];
const GLchan (*arg2)[4] = (const GLchan (*)[4]) argA[2];
#if CHAN_TYPE != GL_FLOAT
const GLint shift = CHAN_BITS - Ashift;
#endif
for (i = 0; i < n; i++) {
#if CHAN_TYPE == GL_FLOAT
rgba[i][ACOMP] = ((arg0[i][ACOMP] * arg2[i][ACOMP]) - arg1[i][ACOMP]) * Amult;
#else
GLint a = (S_PROD(arg0[i][ACOMP], arg2[i][ACOMP])
- ((GLint) arg1[i][ACOMP] << CHAN_BITS))
>> shift;
rgba[i][ACOMP] = (GLchan) CLAMP(a, 0, CHAN_MAX);
#endif
}
}
break;
default:
_mesa_problem(ctx, "invalid combine mode");
}
@ -3273,7 +3485,7 @@ texture_combine( const GLcontext *ctx, GLuint unit, GLuint n,
* GL_DOT3.
*/
if (textureUnit->CombineModeRGB == GL_DOT3_RGBA_EXT ||
textureUnit->CombineModeRGB == GL_DOT3_RGBA_ARB) {
textureUnit->CombineModeRGB == GL_DOT3_RGBA) {
for (i = 0; i < n; i++) {
rgba[i][ACOMP] = rgba[i][RCOMP];
}
@ -3715,7 +3927,7 @@ _swrast_texture_span( GLcontext *ctx, struct sw_span *span )
for (unit = 0; unit < ctx->Const.MaxTextureUnits; unit++) {
if (ctx->Texture.Unit[unit]._ReallyEnabled) {
const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
if (texUnit->EnvMode == GL_COMBINE_EXT) {
if (texUnit->EnvMode == GL_COMBINE) {
/* GL_ARB/EXT_texture_env_combine */
texture_combine( ctx, unit, span->end,
(CONST GLchan (*)[4]) primary_rgba,