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path: root/src/gallium/drivers/r300/r300_state.c
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Diffstat (limited to 'src/gallium/drivers/r300/r300_state.c')
-rw-r--r--src/gallium/drivers/r300/r300_state.c134
1 files changed, 101 insertions, 33 deletions
diff --git a/src/gallium/drivers/r300/r300_state.c b/src/gallium/drivers/r300/r300_state.c
index ea1210fcb48..09e694f041a 100644
--- a/src/gallium/drivers/r300/r300_state.c
+++ b/src/gallium/drivers/r300/r300_state.c
@@ -850,6 +850,27 @@ static void* r300_create_rs_state(struct pipe_context* pipe,
struct r300_rs_state* rs = CALLOC_STRUCT(r300_rs_state);
int i;
float psiz;
+ uint32_t vap_control_status; /* R300_VAP_CNTL_STATUS: 0x2140 */
+ uint32_t point_size; /* R300_GA_POINT_SIZE: 0x421c */
+ uint32_t point_minmax; /* R300_GA_POINT_MINMAX: 0x4230 */
+ uint32_t line_control; /* R300_GA_LINE_CNTL: 0x4234 */
+ uint32_t polygon_offset_enable; /* R300_SU_POLY_OFFSET_ENABLE: 0x42b4 */
+ uint32_t cull_mode; /* R300_SU_CULL_MODE: 0x42b8 */
+ uint32_t line_stipple_config; /* R300_GA_LINE_STIPPLE_CONFIG: 0x4328 */
+ uint32_t line_stipple_value; /* R300_GA_LINE_STIPPLE_VALUE: 0x4260 */
+ uint32_t polygon_mode; /* R300_GA_POLY_MODE: 0x4288 */
+ uint32_t clip_rule; /* R300_SC_CLIP_RULE: 0x43D0 */
+
+ /* Specifies top of Raster pipe specific enable controls,
+ * i.e. texture coordinates stuffing for points, lines, triangles */
+ uint32_t stuffing_enable; /* R300_GB_ENABLE: 0x4008 */
+
+ /* Point sprites texture coordinates, 0: lower left, 1: upper right */
+ float point_texcoord_left; /* R300_GA_POINT_S0: 0x4200 */
+ float point_texcoord_bottom; /* R300_GA_POINT_T0: 0x4204 */
+ float point_texcoord_right; /* R300_GA_POINT_S1: 0x4208 */
+ float point_texcoord_top; /* R300_GA_POINT_T1: 0x420c */
+ CB_LOCALS;
/* Copy rasterizer state. */
rs->rs = *state;
@@ -859,18 +880,18 @@ static void* r300_create_rs_state(struct pipe_context* pipe,
rs->rs_draw.sprite_coord_enable = 0; /* We can do this in HW. */
#ifdef PIPE_ARCH_LITTLE_ENDIAN
- rs->vap_control_status = R300_VC_NO_SWAP;
+ vap_control_status = R300_VC_NO_SWAP;
#else
- rs->vap_control_status = R300_VC_32BIT_SWAP;
+ vap_control_status = R300_VC_32BIT_SWAP;
#endif
/* If no TCL engine is present, turn off the HW TCL. */
if (!r300_screen(pipe->screen)->caps.has_tcl) {
- rs->vap_control_status |= R300_VAP_TCL_BYPASS;
+ vap_control_status |= R300_VAP_TCL_BYPASS;
}
/* Point size width and height. */
- rs->point_size =
+ point_size =
pack_float_16_6x(state->point_size) |
(pack_float_16_6x(state->point_size) << R300_POINTSIZE_X_SHIFT);
@@ -880,68 +901,67 @@ static void* r300_create_rs_state(struct pipe_context* pipe,
* Clamp to [0, max FB size] */
psiz = pipe->screen->get_paramf(pipe->screen,
PIPE_CAP_MAX_POINT_WIDTH);
- rs->point_minmax =
+ point_minmax =
pack_float_16_6x(psiz) << R300_GA_POINT_MINMAX_MAX_SHIFT;
} else {
/* We cannot disable the point-size vertex output,
* so clamp it. */
psiz = state->point_size;
- rs->point_minmax =
+ point_minmax =
(pack_float_16_6x(psiz) << R300_GA_POINT_MINMAX_MIN_SHIFT) |
(pack_float_16_6x(psiz) << R300_GA_POINT_MINMAX_MAX_SHIFT);
}
/* Line control. */
- rs->line_control = pack_float_16_6x(state->line_width) |
+ line_control = pack_float_16_6x(state->line_width) |
R300_GA_LINE_CNTL_END_TYPE_COMP;
/* Enable polygon mode */
+ polygon_mode = 0;
if (state->fill_front != PIPE_POLYGON_MODE_FILL ||
state->fill_back != PIPE_POLYGON_MODE_FILL) {
- rs->polygon_mode = R300_GA_POLY_MODE_DUAL;
+ polygon_mode = R300_GA_POLY_MODE_DUAL;
}
/* Front face */
if (state->front_ccw)
- rs->cull_mode = R300_FRONT_FACE_CCW;
+ cull_mode = R300_FRONT_FACE_CCW;
else
- rs->cull_mode = R300_FRONT_FACE_CW;
+ cull_mode = R300_FRONT_FACE_CW;
/* Polygon offset */
+ polygon_offset_enable = 0;
if (util_get_offset(state, state->fill_front)) {
- rs->polygon_offset_enable |= R300_FRONT_ENABLE;
+ polygon_offset_enable |= R300_FRONT_ENABLE;
}
if (util_get_offset(state, state->fill_back)) {
- rs->polygon_offset_enable |= R300_BACK_ENABLE;
+ polygon_offset_enable |= R300_BACK_ENABLE;
}
+ rs->polygon_offset_enable = polygon_offset_enable != 0;
+
/* Polygon mode */
- if (rs->polygon_mode) {
- rs->polygon_mode |=
+ if (polygon_mode) {
+ polygon_mode |=
r300_translate_polygon_mode_front(state->fill_front);
- rs->polygon_mode |=
+ polygon_mode |=
r300_translate_polygon_mode_back(state->fill_back);
}
if (state->cull_face & PIPE_FACE_FRONT) {
- rs->cull_mode |= R300_CULL_FRONT;
+ cull_mode |= R300_CULL_FRONT;
}
if (state->cull_face & PIPE_FACE_BACK) {
- rs->cull_mode |= R300_CULL_BACK;
- }
-
- if (rs->polygon_offset_enable) {
- rs->depth_offset = state->offset_units;
- rs->depth_scale = state->offset_scale;
+ cull_mode |= R300_CULL_BACK;
}
if (state->line_stipple_enable) {
- rs->line_stipple_config =
+ line_stipple_config =
R300_GA_LINE_STIPPLE_CONFIG_LINE_RESET_LINE |
(fui((float)state->line_stipple_factor) &
R300_GA_LINE_STIPPLE_CONFIG_STIPPLE_SCALE_MASK);
/* XXX this might need to be scaled up */
- rs->line_stipple_value = state->line_stipple_pattern;
+ line_stipple_value = state->line_stipple_pattern;
}
if (state->flatshade) {
@@ -950,32 +970,80 @@ static void* r300_create_rs_state(struct pipe_context* pipe,
rs->color_control = R300_SHADE_MODEL_SMOOTH;
}
- rs->clip_rule = state->scissor ? 0xAAAA : 0xFFFF;
+ clip_rule = state->scissor ? 0xAAAA : 0xFFFF;
/* Point sprites */
+ stuffing_enable = 0;
if (state->sprite_coord_enable) {
- rs->stuffing_enable = R300_GB_POINT_STUFF_ENABLE;
+ stuffing_enable = R300_GB_POINT_STUFF_ENABLE;
for (i = 0; i < 8; i++) {
if (state->sprite_coord_enable & (1 << i))
- rs->stuffing_enable |=
+ stuffing_enable |=
R300_GB_TEX_STR << (R300_GB_TEX0_SOURCE_SHIFT + (i*2));
}
- rs->point_texcoord_left = 0.0f;
- rs->point_texcoord_right = 1.0f;
+ point_texcoord_left = 0.0f;
+ point_texcoord_right = 1.0f;
switch (state->sprite_coord_mode) {
case PIPE_SPRITE_COORD_UPPER_LEFT:
- rs->point_texcoord_top = 0.0f;
- rs->point_texcoord_bottom = 1.0f;
+ point_texcoord_top = 0.0f;
+ point_texcoord_bottom = 1.0f;
break;
case PIPE_SPRITE_COORD_LOWER_LEFT:
- rs->point_texcoord_top = 1.0f;
- rs->point_texcoord_bottom = 0.0f;
+ point_texcoord_top = 1.0f;
+ point_texcoord_bottom = 0.0f;
break;
}
}
+ /* Build the main command buffer. */
+ BEGIN_CB(rs->cb_main, 25);
+ OUT_CB_REG(R300_VAP_CNTL_STATUS, vap_control_status);
+ OUT_CB_REG(R300_GA_POINT_SIZE, point_size);
+ OUT_CB_REG_SEQ(R300_GA_POINT_MINMAX, 2);
+ OUT_CB(point_minmax);
+ OUT_CB(line_control);
+ OUT_CB_REG_SEQ(R300_SU_POLY_OFFSET_ENABLE, 2);
+ OUT_CB(polygon_offset_enable);
+ rs->cull_mode_index = 25 - cs_count;
+ OUT_CB(cull_mode);
+ OUT_CB_REG(R300_GA_LINE_STIPPLE_CONFIG, line_stipple_config);
+ OUT_CB_REG(R300_GA_LINE_STIPPLE_VALUE, line_stipple_value);
+ OUT_CB_REG(R300_GA_POLY_MODE, polygon_mode);
+ OUT_CB_REG(R300_SC_CLIP_RULE, clip_rule);
+ OUT_CB_REG(R300_GB_ENABLE, stuffing_enable);
+ OUT_CB_REG_SEQ(R300_GA_POINT_S0, 4);
+ OUT_CB_32F(point_texcoord_left);
+ OUT_CB_32F(point_texcoord_bottom);
+ OUT_CB_32F(point_texcoord_right);
+ OUT_CB_32F(point_texcoord_top);
+ END_CB;
+
+ /* Build the two command buffers for polygon offset setup. */
+ if (polygon_offset_enable) {
+ float scale = state->offset_scale * 12;
+ float offset = state->offset_units * 4;
+
+ BEGIN_CB(rs->cb_poly_offset_zb16, 5);
+ OUT_CB_REG_SEQ(R300_SU_POLY_OFFSET_FRONT_SCALE, 4);
+ OUT_CB_32F(scale);
+ OUT_CB_32F(offset);
+ OUT_CB_32F(scale);
+ OUT_CB_32F(offset);
+ END_CB;
+
+ offset = state->offset_units * 2;
+
+ BEGIN_CB(rs->cb_poly_offset_zb24, 5);
+ OUT_CB_REG_SEQ(R300_SU_POLY_OFFSET_FRONT_SCALE, 4);
+ OUT_CB_32F(scale);
+ OUT_CB_32F(offset);
+ OUT_CB_32F(scale);
+ OUT_CB_32F(offset);
+ END_CB;
+ }
+
return (void*)rs;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-29 15:04:24 +0000