From dc3a922cf30bf12cb01167bf1328d377ff3ee120 Mon Sep 17 00:00:00 2001 From: Michal Krol Date: Wed, 15 Feb 2006 11:02:07 +0000 Subject: Get arbfslight demo running. --- src/mesa/tnl/t_vb_arbshader.c | 22 +++++++++++++++++++++- 1 file changed, 21 insertions(+), 1 deletion(-) (limited to 'src/mesa') diff --git a/src/mesa/tnl/t_vb_arbshader.c b/src/mesa/tnl/t_vb_arbshader.c index d779e44004..c1244ba925 100644 --- a/src/mesa/tnl/t_vb_arbshader.c +++ b/src/mesa/tnl/t_vb_arbshader.c @@ -94,6 +94,7 @@ extern void exec_vertex_shader (struct gl2_vertex_shader_intf **vs); extern int _slang_fetch_float (struct gl2_vertex_shader_intf **, const char *, GLfloat *, int); extern int _slang_fetch_vec3 (struct gl2_vertex_shader_intf **, const char *, GLfloat *, int); extern int _slang_fetch_vec4 (struct gl2_vertex_shader_intf **, const char *, GLfloat *, GLuint, int); +extern int _slang_fetch_mat3 (struct gl2_vertex_shader_intf **, const char *, GLfloat *, GLuint, int); extern int _slang_fetch_mat4 (struct gl2_vertex_shader_intf **, const char *, GLfloat *, GLuint, int); static void fetch_input_float (const char *name, GLuint attr, GLuint i, struct vertex_buffer *vb, @@ -178,9 +179,28 @@ static void fetch_output_vec4 (const char *name, GLuint attr, GLuint i, GLuint i static void fetch_uniform_mat4 (const char *name, const GLmatrix *matrix, GLuint index, struct gl2_vertex_shader_intf **vs) { + /* XXX: transpose? */ _slang_fetch_mat4 (vs, name, matrix->m, index, 1); } +static void fetch_normal_matrix (const char *name, GLmatrix *matrix, + struct gl2_vertex_shader_intf **vs) +{ + GLfloat mat[9]; + + _math_matrix_analyse (matrix); + mat[0] = matrix->inv[0]; + mat[1] = matrix->inv[1]; + mat[2] = matrix->inv[2]; + mat[3] = matrix->inv[4]; + mat[4] = matrix->inv[5]; + mat[5] = matrix->inv[6]; + mat[6] = matrix->inv[8]; + mat[7] = matrix->inv[9]; + mat[8] = matrix->inv[10]; + _slang_fetch_mat3 (vs, name, mat, 0, 1); +} + static GLboolean run_arb_vertex_shader (GLcontext *ctx, struct tnl_pipeline_stage *stage) { TNLcontext *tnl = TNL_CONTEXT(ctx); @@ -217,7 +237,7 @@ static GLboolean run_arb_vertex_shader (GLcontext *ctx, struct tnl_pipeline_stag fetch_uniform_mat4 ("gl_ModelViewProjectionMatrix", &ctx->_ModelProjectMatrix, 0, vs); for (j = 0; j < 8; j++) fetch_uniform_mat4 ("gl_TextureMatrix", ctx->TextureMatrixStack[j].Top, j, vs); - /* XXX: fetch uniform mat3 gl_NormalMatrix */ + fetch_normal_matrix ("gl_NormalMatrix", ctx->ModelviewMatrixStack.Top, vs); /* XXX: fetch uniform mat4 gl_ModelViewMatrixInverse */ /* XXX: fetch uniform mat4 gl_ProjectionMatrixInverse */ /* XXX: fetch uniform mat4 gl_ModelViewProjectionMatrixInverse */ -- cgit v1.2.3