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Move _mesa_load_tracked_matrices() from TNL module to prog_statevars.c

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Brian
2007-11-28 15:19:46 -07:00
parent dc88a96631
commit a7e1b4456a
4 changed files with 101 additions and 102 deletions
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94
src/mesa/tnl/t_vb_program.c
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@@ -1,6 +1,6 @@
/*
* Mesa 3-D graphics library
* Version: 6.5.3
* Version: 7.1
*
* Copyright (C) 1999-2007 Brian Paul All Rights Reserved.
*
@@ -245,98 +245,6 @@ init_machine(GLcontext *ctx, struct gl_program_machine *machine)
}
/**
* Copy the 16 elements of a matrix into four consecutive program
* registers starting at 'pos'.
*/
static void
load_matrix(GLfloat registers[][4], GLuint pos, const GLfloat mat[16])
{
GLuint i;
for (i = 0; i < 4; i++) {
registers[pos + i][0] = mat[0 + i];
registers[pos + i][1] = mat[4 + i];
registers[pos + i][2] = mat[8 + i];
registers[pos + i][3] = mat[12 + i];
}
}
/**
* As above, but transpose the matrix.
*/
static void
load_transpose_matrix(GLfloat registers[][4], GLuint pos,
const GLfloat mat[16])
{
MEMCPY(registers[pos], mat, 16 * sizeof(GLfloat));
}
/**
* Load current vertex program's parameter registers with tracked
* matrices (if NV program). This only needs to be done per
* glBegin/glEnd, not per-vertex.
*/
void
_mesa_load_tracked_matrices(GLcontext *ctx)
{
GLuint i;
for (i = 0; i < MAX_NV_VERTEX_PROGRAM_PARAMS / 4; i++) {
/* point 'mat' at source matrix */
GLmatrix *mat;
if (ctx->VertexProgram.TrackMatrix[i] == GL_MODELVIEW) {
mat = ctx->ModelviewMatrixStack.Top;
}
else if (ctx->VertexProgram.TrackMatrix[i] == GL_PROJECTION) {
mat = ctx->ProjectionMatrixStack.Top;
}
else if (ctx->VertexProgram.TrackMatrix[i] == GL_TEXTURE) {
mat = ctx->TextureMatrixStack[ctx->Texture.CurrentUnit].Top;
}
else if (ctx->VertexProgram.TrackMatrix[i] == GL_COLOR) {
mat = ctx->ColorMatrixStack.Top;
}
else if (ctx->VertexProgram.TrackMatrix[i]==GL_MODELVIEW_PROJECTION_NV) {
/* XXX verify the combined matrix is up to date */
mat = &ctx->_ModelProjectMatrix;
}
else if (ctx->VertexProgram.TrackMatrix[i] >= GL_MATRIX0_NV &&
ctx->VertexProgram.TrackMatrix[i] <= GL_MATRIX7_NV) {
GLuint n = ctx->VertexProgram.TrackMatrix[i] - GL_MATRIX0_NV;
ASSERT(n < MAX_PROGRAM_MATRICES);
mat = ctx->ProgramMatrixStack[n].Top;
}
else {
/* no matrix is tracked, but we leave the register values as-is */
assert(ctx->VertexProgram.TrackMatrix[i] == GL_NONE);
continue;
}
/* load the matrix values into sequential registers */
if (ctx->VertexProgram.TrackMatrixTransform[i] == GL_IDENTITY_NV) {
load_matrix(ctx->VertexProgram.Parameters, i*4, mat->m);
}
else if (ctx->VertexProgram.TrackMatrixTransform[i] == GL_INVERSE_NV) {
_math_matrix_analyse(mat); /* update the inverse */
ASSERT(!_math_matrix_is_dirty(mat));
load_matrix(ctx->VertexProgram.Parameters, i*4, mat->inv);
}
else if (ctx->VertexProgram.TrackMatrixTransform[i] == GL_TRANSPOSE_NV) {
load_transpose_matrix(ctx->VertexProgram.Parameters, i*4, mat->m);
}
else {
assert(ctx->VertexProgram.TrackMatrixTransform[i]
== GL_INVERSE_TRANSPOSE_NV);
_math_matrix_analyse(mat); /* update the inverse */
ASSERT(!_math_matrix_is_dirty(mat));
load_transpose_matrix(ctx->VertexProgram.Parameters, i*4, mat->inv);
}
}
}
/**
* This function executes vertex programs
*/