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authoralanh <alanh>2003-12-09 15:35:24 +0000
committeralanh <alanh>2003-12-09 15:35:24 +0000
commit9b977bb473b56e6483b1f09c6f87e8df06381c17 (patch)
treedbc3272c06e40d69b74bdd1029d8a60edc95a109 /xc/extras/Mesa/src/matrix.c
parent0861da665f9f5cc2387c54687327f545db823144 (diff)
remove Mesa 5.0.2 sources.
Diffstat (limited to 'xc/extras/Mesa/src/matrix.c')
-rw-r--r--xc/extras/Mesa/src/matrix.c482
1 files changed, 0 insertions, 482 deletions
diff --git a/xc/extras/Mesa/src/matrix.c b/xc/extras/Mesa/src/matrix.c
deleted file mode 100644
index b9c069cc2..000000000
--- a/xc/extras/Mesa/src/matrix.c
+++ /dev/null
@@ -1,482 +0,0 @@
-
-/*
- * Mesa 3-D graphics library
- * Version: 4.1
- *
- * Copyright (C) 1999-2002 Brian Paul 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, 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
- * BRIAN PAUL 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.
- */
-
-
-/*
- * Matrix operations
- *
- * NOTES:
- * 1. 4x4 transformation matrices are stored in memory in column major order.
- * 2. Points/vertices are to be thought of as column vectors.
- * 3. Transformation of a point p by a matrix M is: p' = M * p
- */
-
-
-#include "glheader.h"
-#include "imports.h"
-#include "buffers.h"
-#include "context.h"
-#include "enums.h"
-#include "macros.h"
-#include "matrix.h"
-#include "mmath.h"
-#include "mtypes.h"
-#include "math/m_matrix.h"
-
-
-
-void
-_mesa_Frustum( GLdouble left, GLdouble right,
- GLdouble bottom, GLdouble top,
- GLdouble nearval, GLdouble farval )
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
- if (nearval <= 0.0 ||
- farval <= 0.0 ||
- nearval == farval ||
- left == right ||
- top == bottom)
- {
- _mesa_error( ctx, GL_INVALID_VALUE, "glFrustum" );
- return;
- }
-
- _math_matrix_frustum( ctx->CurrentStack->Top,
- (GLfloat) left, (GLfloat) right,
- (GLfloat) bottom, (GLfloat) top,
- (GLfloat) nearval, (GLfloat) farval );
- ctx->NewState |= ctx->CurrentStack->DirtyFlag;
-}
-
-
-void
-_mesa_Ortho( GLdouble left, GLdouble right,
- GLdouble bottom, GLdouble top,
- GLdouble nearval, GLdouble farval )
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
- if (MESA_VERBOSE & VERBOSE_API)
- _mesa_debug(ctx, "glFrustum(%f, %f, %f, %f, %f, %f)\n",
- left, right, bottom, top, nearval, farval);
-
- if (left == right ||
- bottom == top ||
- nearval == farval)
- {
- _mesa_error( ctx, GL_INVALID_VALUE, "glOrtho" );
- return;
- }
-
- _math_matrix_ortho( ctx->CurrentStack->Top,
- (GLfloat) left, (GLfloat) right,
- (GLfloat) bottom, (GLfloat) top,
- (GLfloat) nearval, (GLfloat) farval );
- ctx->NewState |= ctx->CurrentStack->DirtyFlag;
-}
-
-
-void
-_mesa_MatrixMode( GLenum mode )
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (ctx->Transform.MatrixMode == mode && mode != GL_TEXTURE)
- return;
- FLUSH_VERTICES(ctx, _NEW_TRANSFORM);
-
- switch (mode) {
- case GL_MODELVIEW:
- ctx->CurrentStack = &ctx->ModelviewMatrixStack;
- break;
- case GL_PROJECTION:
- ctx->CurrentStack = &ctx->ProjectionMatrixStack;
- break;
- case GL_TEXTURE:
- ctx->CurrentStack = &ctx->TextureMatrixStack[ctx->Texture.CurrentUnit];
- break;
- case GL_COLOR:
- ctx->CurrentStack = &ctx->ColorMatrixStack;
- break;
- case GL_MATRIX0_NV:
- case GL_MATRIX1_NV:
- case GL_MATRIX2_NV:
- case GL_MATRIX3_NV:
- case GL_MATRIX4_NV:
- case GL_MATRIX5_NV:
- case GL_MATRIX6_NV:
- case GL_MATRIX7_NV:
- if (!ctx->Extensions.NV_vertex_program) {
- _mesa_error( ctx, GL_INVALID_ENUM, "glMatrixMode" );
- return;
- }
- ctx->CurrentStack = &ctx->ProgramMatrixStack[mode - GL_MATRIX0_NV];
- break;
- default:
- _mesa_error( ctx, GL_INVALID_ENUM, "glMatrixMode" );
- return;
- }
-
- ctx->Transform.MatrixMode = mode;
-}
-
-
-
-void
-_mesa_PushMatrix( void )
-{
- GET_CURRENT_CONTEXT(ctx);
- struct matrix_stack *stack = ctx->CurrentStack;
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (MESA_VERBOSE&VERBOSE_API)
- _mesa_debug(ctx, "glPushMatrix %s\n",
- _mesa_lookup_enum_by_nr(ctx->Transform.MatrixMode));
-
- if (stack->Depth + 1 >= stack->MaxDepth) {
- _mesa_error( ctx, GL_STACK_OVERFLOW, "glPushMatrix" );
- return;
- }
- _math_matrix_copy( &stack->Stack[stack->Depth + 1],
- &stack->Stack[stack->Depth] );
- stack->Depth++;
- stack->Top = &(stack->Stack[stack->Depth]);
- ctx->NewState |= stack->DirtyFlag;
-}
-
-
-
-void
-_mesa_PopMatrix( void )
-{
- GET_CURRENT_CONTEXT(ctx);
- struct matrix_stack *stack = ctx->CurrentStack;
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
- if (MESA_VERBOSE&VERBOSE_API)
- _mesa_debug(ctx, "glPopMatrix %s\n",
- _mesa_lookup_enum_by_nr(ctx->Transform.MatrixMode));
-
- if (stack->Depth == 0) {
- _mesa_error( ctx, GL_STACK_UNDERFLOW, "glPopMatrix" );
- return;
- }
- stack->Depth--;
- stack->Top = &(stack->Stack[stack->Depth]);
- ctx->NewState |= stack->DirtyFlag;
-}
-
-
-
-void
-_mesa_LoadIdentity( void )
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
- if (MESA_VERBOSE & VERBOSE_API)
- _mesa_debug(ctx, "glLoadIdentity()");
-
- _math_matrix_set_identity( ctx->CurrentStack->Top );
- ctx->NewState |= ctx->CurrentStack->DirtyFlag;
-}
-
-
-void
-_mesa_LoadMatrixf( const GLfloat *m )
-{
- GET_CURRENT_CONTEXT(ctx);
- if (!m) return;
- if (MESA_VERBOSE & VERBOSE_API)
- _mesa_debug(ctx,
- "glLoadMatrix(%f %f %f %f, %f %f %f %f, %f %f %f %f, %f %f %f %f\n",
- m[0], m[4], m[8], m[12],
- m[1], m[5], m[9], m[13],
- m[2], m[6], m[10], m[14],
- m[3], m[7], m[11], m[15]);
-
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
- _math_matrix_loadf( ctx->CurrentStack->Top, m );
- ctx->NewState |= ctx->CurrentStack->DirtyFlag;
-}
-
-
-void
-_mesa_LoadMatrixd( const GLdouble *m )
-{
- GLint i;
- GLfloat f[16];
- if (!m) return;
- for (i = 0; i < 16; i++)
- f[i] = (GLfloat) m[i];
- _mesa_LoadMatrixf(f);
-}
-
-
-
-/*
- * Multiply the active matrix by an arbitary matrix.
- */
-void
-_mesa_MultMatrixf( const GLfloat *m )
-{
- GET_CURRENT_CONTEXT(ctx);
- if (!m) return;
- if (MESA_VERBOSE & VERBOSE_API)
- _mesa_debug(ctx,
- "glMultMatrix(%f %f %f %f, %f %f %f %f, %f %f %f %f, %f %f %f %f\n",
- m[0], m[4], m[8], m[12],
- m[1], m[5], m[9], m[13],
- m[2], m[6], m[10], m[14],
- m[3], m[7], m[11], m[15]);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
- _math_matrix_mul_floats( ctx->CurrentStack->Top, m );
- ctx->NewState |= ctx->CurrentStack->DirtyFlag;
-}
-
-
-/*
- * Multiply the active matrix by an arbitary matrix.
- */
-void
-_mesa_MultMatrixd( const GLdouble *m )
-{
- GLint i;
- GLfloat f[16];
- if (!m) return;
- for (i = 0; i < 16; i++)
- f[i] = (GLfloat) m[i];
- _mesa_MultMatrixf( f );
-}
-
-
-
-
-/*
- * Execute a glRotate call
- */
-void
-_mesa_Rotatef( GLfloat angle, GLfloat x, GLfloat y, GLfloat z )
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
- if (angle != 0.0F) {
- _math_matrix_rotate( ctx->CurrentStack->Top, angle, x, y, z);
- ctx->NewState |= ctx->CurrentStack->DirtyFlag;
- }
-}
-
-void
-_mesa_Rotated( GLdouble angle, GLdouble x, GLdouble y, GLdouble z )
-{
- _mesa_Rotatef((GLfloat) angle, (GLfloat) x, (GLfloat) y, (GLfloat) z);
-}
-
-
-/*
- * Execute a glScale call
- */
-void
-_mesa_Scalef( GLfloat x, GLfloat y, GLfloat z )
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
- _math_matrix_scale( ctx->CurrentStack->Top, x, y, z);
- ctx->NewState |= ctx->CurrentStack->DirtyFlag;
-}
-
-
-void
-_mesa_Scaled( GLdouble x, GLdouble y, GLdouble z )
-{
- _mesa_Scalef((GLfloat) x, (GLfloat) y, (GLfloat) z);
-}
-
-
-/*
- * Execute a glTranslate call
- */
-void
-_mesa_Translatef( GLfloat x, GLfloat y, GLfloat z )
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
- _math_matrix_translate( ctx->CurrentStack->Top, x, y, z);
- ctx->NewState |= ctx->CurrentStack->DirtyFlag;
-}
-
-
-void
-_mesa_Translated( GLdouble x, GLdouble y, GLdouble z )
-{
- _mesa_Translatef((GLfloat) x, (GLfloat) y, (GLfloat) z);
-}
-
-
-void
-_mesa_LoadTransposeMatrixfARB( const GLfloat *m )
-{
- GLfloat tm[16];
- if (!m) return;
- _math_transposef(tm, m);
- _mesa_LoadMatrixf(tm);
-}
-
-
-void
-_mesa_LoadTransposeMatrixdARB( const GLdouble *m )
-{
- GLfloat tm[16];
- if (!m) return;
- _math_transposefd(tm, m);
- _mesa_LoadMatrixf(tm);
-}
-
-
-void
-_mesa_MultTransposeMatrixfARB( const GLfloat *m )
-{
- GLfloat tm[16];
- if (!m) return;
- _math_transposef(tm, m);
- _mesa_MultMatrixf(tm);
-}
-
-
-void
-_mesa_MultTransposeMatrixdARB( const GLdouble *m )
-{
- GLfloat tm[16];
- if (!m) return;
- _math_transposefd(tm, m);
- _mesa_MultMatrixf(tm);
-}
-
-
-/*
- * Called via glViewport or display list execution.
- */
-void
-_mesa_Viewport( GLint x, GLint y, GLsizei width, GLsizei height )
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
- _mesa_set_viewport(ctx, x, y, width, height);
-}
-
-
-/*
- * Define a new viewport and reallocate auxillary buffers if the size of
- * the window (color buffer) has changed.
- */
-void
-_mesa_set_viewport( GLcontext *ctx, GLint x, GLint y,
- GLsizei width, GLsizei height )
-{
- const GLfloat n = ctx->Viewport.Near;
- const GLfloat f = ctx->Viewport.Far;
-
- if (MESA_VERBOSE & VERBOSE_API)
- _mesa_debug(ctx, "glViewport %d %d %d %d\n", x, y, width, height);
-
- if (width < 0 || height < 0) {
- _mesa_error( ctx, GL_INVALID_VALUE,
- "glViewport(%d, %d, %d, %d)", x, y, width, height );
- return;
- }
-
- /* clamp width, and height to implementation dependent range */
- width = CLAMP( width, 1, MAX_WIDTH );
- height = CLAMP( height, 1, MAX_HEIGHT );
-
- /* Save viewport */
- ctx->Viewport.X = x;
- ctx->Viewport.Width = width;
- ctx->Viewport.Y = y;
- ctx->Viewport.Height = height;
-
- /* compute scale and bias values :: This is really driver-specific
- * and should be maintained elsewhere if at all.
- */
- ctx->Viewport._WindowMap.m[MAT_SX] = (GLfloat) width / 2.0F;
- ctx->Viewport._WindowMap.m[MAT_TX] = ctx->Viewport._WindowMap.m[MAT_SX] + x;
- ctx->Viewport._WindowMap.m[MAT_SY] = (GLfloat) height / 2.0F;
- ctx->Viewport._WindowMap.m[MAT_TY] = ctx->Viewport._WindowMap.m[MAT_SY] + y;
- ctx->Viewport._WindowMap.m[MAT_SZ] = ctx->DepthMaxF * ((f - n) / 2.0F);
- ctx->Viewport._WindowMap.m[MAT_TZ] = ctx->DepthMaxF * ((f - n) / 2.0F + n);
- ctx->Viewport._WindowMap.flags = MAT_FLAG_GENERAL_SCALE|MAT_FLAG_TRANSLATION;
- ctx->Viewport._WindowMap.type = MATRIX_3D_NO_ROT;
- ctx->NewState |= _NEW_VIEWPORT;
-
- /* Check if window/buffer has been resized and if so, reallocate the
- * ancillary buffers.
- */
- _mesa_ResizeBuffersMESA();
-
- if (ctx->Driver.Viewport) {
- (*ctx->Driver.Viewport)( ctx, x, y, width, height );
- }
-}
-
-
-
-void
-_mesa_DepthRange( GLclampd nearval, GLclampd farval )
-{
- /*
- * nearval - specifies mapping of the near clipping plane to window
- * coordinates, default is 0
- * farval - specifies mapping of the far clipping plane to window
- * coordinates, default is 1
- *
- * After clipping and div by w, z coords are in -1.0 to 1.0,
- * corresponding to near and far clipping planes. glDepthRange
- * specifies a linear mapping of the normalized z coords in
- * this range to window z coords.
- */
- GLfloat n, f;
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
- if (MESA_VERBOSE&VERBOSE_API)
- _mesa_debug(ctx, "glDepthRange %f %f\n", nearval, farval);
-
- n = (GLfloat) CLAMP( nearval, 0.0, 1.0 );
- f = (GLfloat) CLAMP( farval, 0.0, 1.0 );
-
- ctx->Viewport.Near = n;
- ctx->Viewport.Far = f;
- ctx->Viewport._WindowMap.m[MAT_SZ] = ctx->DepthMaxF * ((f - n) / 2.0F);
- ctx->Viewport._WindowMap.m[MAT_TZ] = ctx->DepthMaxF * ((f - n) / 2.0F + n);
- ctx->NewState |= _NEW_VIEWPORT;
-
- if (ctx->Driver.DepthRange) {
- (*ctx->Driver.DepthRange)( ctx, nearval, farval );
- }
-}