-
-/* XXX get these to r300_reg */
-#define R300_PVS_DST_OPCODE(x) ((x) << 0)
-# define R300_VE_DOT_PRODUCT 1
-# define R300_VE_MULTIPLY 2
-# define R300_VE_ADD 3
-# define R300_VE_MAXIMUM 7
-# define R300_VE_SET_LESS_THAN 10
-#define R300_PVS_DST_MATH_INST (1 << 6)
-# define R300_ME_RECIP_DX 6
-#define R300_PVS_DST_MACRO_INST (1 << 7)
-# define R300_PVS_MACRO_OP_2CLK_MADD 0
-#define R300_PVS_DST_REG_TYPE(x) ((x) << 8)
-# define R300_PVS_DST_REG_TEMPORARY 0
-# define R300_PVS_DST_REG_A0 1
-# define R300_PVS_DST_REG_OUT 2
-# define R300_PVS_DST_REG_OUT_REPL_X 3
-# define R300_PVS_DST_REG_ALT_TEMPORARY 4
-# define R300_PVS_DST_REG_INPUT 5
-#define R300_PVS_DST_OFFSET(x) ((x) << 13)
-#define R300_PVS_DST_WE(x) ((x) << 20)
-#define R300_PVS_DST_WE_XYZW (0xf << 20)
-
-#define R300_PVS_SRC_REG_TYPE(x) ((x) << 0)
-# define R300_PVS_SRC_REG_TEMPORARY 0
-# define R300_PVS_SRC_REG_INPUT 1
-# define R300_PVS_SRC_REG_CONSTANT 2
-# define R300_PVS_SRC_REG_ALT_TEMPORARY 3
-#define R300_PVS_SRC_OFFSET(x) ((x) << 5)
-#define R300_PVS_SRC_SWIZZLE(x) ((x) << 13)
-# define R300_PVS_SRC_SELECT_X 0
-# define R300_PVS_SRC_SELECT_Y 1
-# define R300_PVS_SRC_SELECT_Z 2
-# define R300_PVS_SRC_SELECT_W 3
-# define R300_PVS_SRC_SELECT_FORCE_0 4
-# define R300_PVS_SRC_SELECT_FORCE_1 5
-# define R300_PVS_SRC_SWIZZLE_XYZW \
- ((R300_PVS_SRC_SELECT_X | (R300_PVS_SRC_SELECT_Y << 3) | \
- (R300_PVS_SRC_SELECT_Z << 6) | (R300_PVS_SRC_SELECT_W << 9)) << 13)
-# define R300_PVS_SRC_SWIZZLE_ZERO \
- ((R300_PVS_SRC_SELECT_FORCE_0 | (R300_PVS_SRC_SELECT_FORCE_0 << 3) | \
- (R300_PVS_SRC_SELECT_FORCE_0 << 6) | \
- (R300_PVS_SRC_SELECT_FORCE_0 << 9)) << 13)
-# define R300_PVS_SRC_SWIZZLE_ONE \
- ((R300_PVS_SRC_SELECT_FORCE_1 | (R300_PVS_SRC_SELECT_FORCE_1 << 3) | \
- (R300_PVS_SRC_SELECT_FORCE_1 << 6) | \
- (R300_PVS_SRC_SELECT_FORCE_1 << 9)) << 13)
-#define R300_PVS_MODIFIER_X (1 << 25)
-#define R300_PVS_MODIFIER_Y (1 << 26)
-#define R300_PVS_MODIFIER_Z (1 << 27)
-#define R300_PVS_MODIFIER_W (1 << 28)
-#define R300_PVS_NEGATE_XYZW \
- (R300_PVS_MODIFIER_X | R300_PVS_MODIFIER_Y | \
- R300_PVS_MODIFIER_Z | R300_PVS_MODIFIER_W)
-
-struct r300_vertex_program_code r300_passthrough_vertex_shader = {
- .length = 8, /* two instructions */
-
- /* MOV out[0], in[0] */
- .body.d[0] = R300_PVS_DST_OPCODE(R300_VE_ADD) |
- R300_PVS_DST_REG_TYPE(R300_PVS_DST_REG_OUT) |
- R300_PVS_DST_OFFSET(0) | R300_PVS_DST_WE_XYZW,
- .body.d[1] = R300_PVS_SRC_REG_TYPE(R300_PVS_SRC_REG_INPUT) |
- R300_PVS_SRC_OFFSET(0) | R300_PVS_SRC_SWIZZLE_XYZW,
- .body.d[2] = R300_PVS_SRC_SWIZZLE_ZERO,
- .body.d[3] = 0x0,
-
- /* MOV out[1], in[1] */
- .body.d[4] = R300_PVS_DST_OPCODE(R300_VE_ADD) |
- R300_PVS_DST_REG_TYPE(R300_PVS_DST_REG_OUT) |
- R300_PVS_DST_OFFSET(1) | R300_PVS_DST_WE_XYZW,
- .body.d[5] = R300_PVS_SRC_REG_TYPE(R300_PVS_SRC_REG_INPUT) |
- R300_PVS_SRC_OFFSET(1) | R300_PVS_SRC_SWIZZLE_XYZW,
- .body.d[6] = R300_PVS_SRC_SWIZZLE_ZERO,
- .body.d[7] = 0x0,
-
- .inputs[0] = 0,
- .inputs[1] = 1,
- .outputs[0] = 0,
- .outputs[1] = 1,
-
- .InputsRead = 3,
- .OutputsWritten = 3
-};
-
+boolean r300_vertex_shader_setup_wpos(struct r300_context* r300)
+{
+ struct r300_vertex_shader* vs = r300->vs;
+ int tex_output = r300->vs->wpos_tex_output;
+ uint32_t tex_fmt = R300_INPUT_CNTL_TC0 << tex_output;
+ uint32_t* hwfmt = vs->hwfmt;
+
+ if (r300->fs->inputs.wpos != ATTR_UNUSED) {
+ /* Enable WPOS in VAP. */
+ if (!(hwfmt[1] & tex_fmt)) {
+ hwfmt[1] |= tex_fmt;
+ hwfmt[3] |= (4 << (3 * tex_output));
+
+ assert(tex_output < 8);
+ return TRUE;
+ }
+ } else {
+ /* Disable WPOS in VAP. */
+ if (hwfmt[1] & tex_fmt) {
+ hwfmt[1] &= ~tex_fmt;
+ hwfmt[3] &= ~(4 << (3 * tex_output));
+ return TRUE;
+ }
+ }
+ return FALSE;
+}