diff options
Diffstat (limited to 'mesalib/src/mesa/program/prog_statevars.c')
-rw-r--r-- | mesalib/src/mesa/program/prog_statevars.c | 91 |
1 files changed, 0 insertions, 91 deletions
diff --git a/mesalib/src/mesa/program/prog_statevars.c b/mesalib/src/mesa/program/prog_statevars.c index f9c6677b1..5a350798c 100644 --- a/mesalib/src/mesa/program/prog_statevars.c +++ b/mesalib/src/mesa/program/prog_statevars.c @@ -1074,94 +1074,3 @@ _mesa_load_state_parameters(struct gl_context *ctx, } } } - - -/** - * 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(struct gl_context *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) { - GLuint unit = MIN2(ctx->Texture.CurrentUnit, - Elements(ctx->TextureMatrixStack) - 1); - mat = ctx->TextureMatrixStack[unit].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 < Elements(ctx->ProgramMatrixStack)); - 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); - } - } -} |