From: Marek Olšák Date: Thu, 24 Dec 2009 20:29:41 +0000 (+0100) Subject: r300g: add generating texture coordinates for point sprites (WIP) X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=cba6430524198a1bdcdeada03cbe946a454f3935;p=mesa.git r300g: add generating texture coordinates for point sprites (WIP) --- diff --git a/src/gallium/drivers/r300/r300_context.c b/src/gallium/drivers/r300/r300_context.c index d994a46ccfe..210e31e69c7 100644 --- a/src/gallium/drivers/r300/r300_context.c +++ b/src/gallium/drivers/r300/r300_context.c @@ -202,6 +202,8 @@ struct pipe_context* r300_create_context(struct pipe_screen* screen, r300_setup_atoms(r300); + r300->sprite_coord_index = -1; + /* Open up the OQ BO. */ r300->oqbo = screen->buffer_create(screen, 4096, PIPE_BUFFER_USAGE_VERTEX, 4096); diff --git a/src/gallium/drivers/r300/r300_context.h b/src/gallium/drivers/r300/r300_context.h index 0c8fb6860eb..edebeab86fd 100644 --- a/src/gallium/drivers/r300/r300_context.h +++ b/src/gallium/drivers/r300/r300_context.h @@ -98,6 +98,16 @@ struct r300_rs_state { uint32_t line_stipple_value; /* R300_GA_LINE_STIPPLE_VALUE: 0x4260 */ uint32_t color_control; /* R300_GA_COLOR_CONTROL: 0x4278 */ uint32_t polygon_mode; /* R300_GA_POLY_MODE: 0x4288 */ + + /* 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 */ }; struct r300_rs_block { @@ -390,6 +400,9 @@ struct r300_context { uint32_t zbuffer_bpp; /* Whether scissor is enabled. */ boolean scissor_enabled; + /* Point sprites texcoord index, -1 = unused. */ + int sprite_coord_index; + /* upload managers */ struct u_upload_mgr *upload_vb; struct u_upload_mgr *upload_ib; diff --git a/src/gallium/drivers/r300/r300_emit.c b/src/gallium/drivers/r300/r300_emit.c index 3ad0e561bc1..5522fb306db 100644 --- a/src/gallium/drivers/r300/r300_emit.c +++ b/src/gallium/drivers/r300/r300_emit.c @@ -616,6 +616,12 @@ void r300_emit_rs_state(struct r300_context* r300, unsigned size, void* state) OUT_CS_REG(R300_GA_LINE_STIPPLE_CONFIG, rs->line_stipple_config); OUT_CS_REG(R300_GA_LINE_STIPPLE_VALUE, rs->line_stipple_value); OUT_CS_REG(R300_GA_POLY_MODE, rs->polygon_mode); + OUT_CS_REG(R300_GB_ENABLE, rs->stuffing_enable); + OUT_CS_REG_SEQ(R300_GA_POINT_S0, 4); + OUT_CS_32F(rs->point_texcoord_left); + OUT_CS_32F(rs->point_texcoord_bottom); + OUT_CS_32F(rs->point_texcoord_right); + OUT_CS_32F(rs->point_texcoord_top); END_CS; } diff --git a/src/gallium/drivers/r300/r300_state.c b/src/gallium/drivers/r300/r300_state.c index d7d654dc315..db7844eef0e 100644 --- a/src/gallium/drivers/r300/r300_state.c +++ b/src/gallium/drivers/r300/r300_state.c @@ -715,6 +715,7 @@ static void* r300_create_rs_state(struct pipe_context* pipe, { struct r300_screen* r300screen = r300_screen(pipe->screen); struct r300_rs_state* rs = CALLOC_STRUCT(r300_rs_state); + unsigned coord_index; /* Copy rasterizer state for Draw. */ rs->rs = *state; @@ -807,6 +808,32 @@ static void* r300_create_rs_state(struct pipe_context* pipe, rs->color_control = R300_SHADE_MODEL_SMOOTH; } + /* Point sprites */ + if (state->sprite_coord_enable) { + coord_index = ffs(state->sprite_coord_enable)-1; + + SCREEN_DBG(r300screen, DBG_DRAW, + "r300: point sprite: shader coord=%d\n", coord_index); + + rs->stuffing_enable = + R300_GB_POINT_STUFF_ENABLE | + R300_GB_TEX_ST << (R300_GB_TEX0_SOURCE_SHIFT + (coord_index*2)); + + rs->point_texcoord_left = 0.0f; + rs->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; + break; + case PIPE_SPRITE_COORD_LOWER_LEFT: + rs->point_texcoord_top = 1.0f; + rs->point_texcoord_bottom = 0.0f; + break; + } + } + return (void*)rs; } @@ -816,6 +843,7 @@ static void r300_bind_rs_state(struct pipe_context* pipe, void* state) struct r300_context* r300 = r300_context(pipe); struct r300_rs_state* rs = (struct r300_rs_state*)state; boolean scissor_was_enabled = r300->scissor_enabled; + int last_sprite_coord_index = r300->sprite_coord_index; if (r300->draw) { draw_flush(r300->draw); @@ -825,17 +853,22 @@ static void r300_bind_rs_state(struct pipe_context* pipe, void* state) if (rs) { r300->polygon_offset_enabled = rs->rs.offset_cw || rs->rs.offset_ccw; r300->scissor_enabled = rs->rs.scissor; + r300->sprite_coord_index = ffs(rs->rs.sprite_coord_enable)-1; } else { r300->polygon_offset_enabled = FALSE; r300->scissor_enabled = FALSE; + r300->sprite_coord_index = -1; } UPDATE_STATE(state, r300->rs_state); - r300->rs_state.size = 17 + (r300->polygon_offset_enabled ? 5 : 0); + r300->rs_state.size = 24 + (r300->polygon_offset_enabled ? 5 : 0); if (scissor_was_enabled != r300->scissor_enabled) { r300->scissor_state.dirty = TRUE; } + if (last_sprite_coord_index != r300->sprite_coord_index) { + r300->rs_block_state.dirty = TRUE; + } } /* Free rasterizer state. */ diff --git a/src/gallium/drivers/r300/r300_state_derived.c b/src/gallium/drivers/r300/r300_state_derived.c index 7947ec6641d..74663bda514 100644 --- a/src/gallium/drivers/r300/r300_state_derived.c +++ b/src/gallium/drivers/r300/r300_state_derived.c @@ -178,7 +178,8 @@ static void r300_update_rs_block(struct r300_context* r300, /* Rasterize texture coordinates. */ for (i = 0; i < ATTR_GENERIC_COUNT; i++) { - if (vs_outputs->generic[i] != ATTR_UNUSED) { + if (vs_outputs->generic[i] != ATTR_UNUSED || + r300->sprite_coord_index == i) { /* Always rasterize if it's written by the VS, * otherwise it locks up. */ rX00_rs_tex(&rs, tex_count, tex_count, FALSE); @@ -186,6 +187,8 @@ static void r300_update_rs_block(struct r300_context* r300, /* Write it to the FS input register if it's used by the FS. */ if (fs_inputs->generic[i] != ATTR_UNUSED) { rX00_rs_tex_write(&rs, tex_count, fp_offset); + if (r300->sprite_coord_index == i) + debug_printf("r300: SpriteCoord (generic index %i) is being written to reg %i\n", i, fp_offset); fp_offset++; } tex_count++; diff --git a/src/gallium/drivers/r300/r300_state_invariant.c b/src/gallium/drivers/r300/r300_state_invariant.c index 4a2c68269b1..2d9a63d29a4 100644 --- a/src/gallium/drivers/r300/r300_state_invariant.c +++ b/src/gallium/drivers/r300/r300_state_invariant.c @@ -44,13 +44,9 @@ void r300_emit_invariant_state(struct r300_context* r300, struct r300_capabilities* caps = r300_screen(r300->context.screen)->caps; CS_LOCALS(r300); - BEGIN_CS(14 + (caps->has_tcl ? 2: 0)); + BEGIN_CS(12 + (caps->has_tcl ? 2: 0)); /*** Graphics Backend (GB) ***/ - /* Various GB enables */ - OUT_CS_REG(R300_GB_ENABLE, R300_GB_POINT_STUFF_ENABLE | - R300_GB_LINE_STUFF_ENABLE | - R300_GB_TRIANGLE_STUFF_ENABLE); /* Subpixel multisampling for AA * These are commented out because glisse's CS checker doesn't like them. * I presume these will be re-enabled later. @@ -78,7 +74,7 @@ void r300_emit_invariant_state(struct r300_context* r300, END_CS; /* XXX unsorted stuff from surface_fill */ - BEGIN_CS(44 + (caps->has_tcl ? 7 : 0) + + BEGIN_CS(40 + (caps->has_tcl ? 7 : 0) + (caps->family >= CHIP_FAMILY_RV350 ? 4 : 0)); if (caps->has_tcl) { @@ -90,11 +86,6 @@ void r300_emit_invariant_state(struct r300_context* r300, OUT_CS_32F(1.0); OUT_CS_32F(1.0); } - /* XXX point tex stuffing */ - OUT_CS_REG_SEQ(R300_GA_POINT_S0, 1); - OUT_CS_32F(0.0); - OUT_CS_REG_SEQ(R300_GA_POINT_S1, 1); - OUT_CS_32F(1.0); /* XXX line tex stuffing */ OUT_CS_REG_SEQ(R300_GA_LINE_S0, 1); OUT_CS_32F(0.0);