X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fgallium%2Fdrivers%2Fr300%2Fr300_render.c;h=35b335df6a1640100efc3ea3c41c5b590ecdb1dd;hb=b5e256c76dea2182c82af2a4f66224735701d55a;hp=d05a736dd96c352e057704c9c03f19af6d89ef42;hpb=d9dc4cb0e4f578da9e50c9d1ba6fd9c22ea2fca6;p=mesa.git

diff --git a/src/gallium/drivers/r300/r300_render.c b/src/gallium/drivers/r300/r300_render.c
index d05a736dd96..35b335df6a1 100644
--- a/src/gallium/drivers/r300/r300_render.c
+++ b/src/gallium/drivers/r300/r300_render.c
@@ -20,18 +20,333 @@
  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  * USE OR OTHER DEALINGS IN THE SOFTWARE. */
 
-#include "draw/draw_pipe.h"
+/* r300_render: Vertex and index buffer primitive emission. Contains both
+ * HW TCL fastpath rendering, and SW TCL Draw-assisted rendering. */
+
+#include "draw/draw_context.h"
 #include "draw/draw_vbuf.h"
+
+#include "pipe/p_inlines.h"
+
 #include "util/u_memory.h"
+#include "util/u_prim.h"
 
 #include "r300_cs.h"
 #include "r300_context.h"
 #include "r300_emit.h"
 #include "r300_reg.h"
+#include "r300_render.h"
 #include "r300_state_derived.h"
+#include "r300_vbo.h"
 
 /* r300_render: Vertex and index buffer primitive emission. */
+#define R300_MAX_VBO_SIZE  (1024 * 1024)
+
+uint32_t r300_translate_primitive(unsigned prim)
+{
+    switch (prim) {
+        case PIPE_PRIM_POINTS:
+            return R300_VAP_VF_CNTL__PRIM_POINTS;
+        case PIPE_PRIM_LINES:
+            return R300_VAP_VF_CNTL__PRIM_LINES;
+        case PIPE_PRIM_LINE_LOOP:
+            return R300_VAP_VF_CNTL__PRIM_LINE_LOOP;
+        case PIPE_PRIM_LINE_STRIP:
+            return R300_VAP_VF_CNTL__PRIM_LINE_STRIP;
+        case PIPE_PRIM_TRIANGLES:
+            return R300_VAP_VF_CNTL__PRIM_TRIANGLES;
+        case PIPE_PRIM_TRIANGLE_STRIP:
+            return R300_VAP_VF_CNTL__PRIM_TRIANGLE_STRIP;
+        case PIPE_PRIM_TRIANGLE_FAN:
+            return R300_VAP_VF_CNTL__PRIM_TRIANGLE_FAN;
+        case PIPE_PRIM_QUADS:
+            return R300_VAP_VF_CNTL__PRIM_QUADS;
+        case PIPE_PRIM_QUAD_STRIP:
+            return R300_VAP_VF_CNTL__PRIM_QUAD_STRIP;
+        case PIPE_PRIM_POLYGON:
+            return R300_VAP_VF_CNTL__PRIM_POLYGON;
+        default:
+            return 0;
+    }
+}
+
+static boolean r300_nothing_to_draw(struct r300_context *r300)
+{
+    return r300->rs_state->rs.scissor &&
+           r300->scissor_state->scissor.empty_area;
+}
+
+static void r300_emit_draw_arrays(struct r300_context *r300,
+                                  unsigned mode,
+                                  unsigned count)
+{
+    CS_LOCALS(r300);
+
+    BEGIN_CS(4);
+    OUT_CS_REG(R300_VAP_VF_MAX_VTX_INDX, count);
+    OUT_CS_PKT3(R300_PACKET3_3D_DRAW_VBUF_2, 0);
+    OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_LIST | (count << 16) |
+           r300_translate_primitive(mode));
+    END_CS;
+}
+
+static void r300_emit_draw_elements(struct r300_context *r300,
+                                    struct pipe_buffer* indexBuffer,
+                                    unsigned indexSize,
+                                    unsigned minIndex,
+                                    unsigned maxIndex,
+                                    unsigned mode,
+                                    unsigned start,
+                                    unsigned count)
+{
+    uint32_t count_dwords;
+    uint32_t offset_dwords = indexSize * start / sizeof(uint32_t);
+    CS_LOCALS(r300);
+
+    /* XXX most of these are stupid */
+    assert(indexSize == 4 || indexSize == 2);
+    assert((start * indexSize)  % 4 == 0);
+    assert(offset_dwords == 0);
+
+    BEGIN_CS(10);
+    OUT_CS_REG(R300_VAP_VF_MAX_VTX_INDX, maxIndex);
+    OUT_CS_PKT3(R300_PACKET3_3D_DRAW_INDX_2, 0);
+    if (indexSize == 4) {
+        count_dwords = count + start;
+        OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (count << 16) |
+               R300_VAP_VF_CNTL__INDEX_SIZE_32bit |
+               r300_translate_primitive(mode));
+    } else {
+        count_dwords = (count + start + 1) / 2;
+        OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (count << 16) |
+               r300_translate_primitive(mode));
+    }
+
+    /* INDX_BUFFER is a truly special packet3.
+     * Unlike most other packet3, where the offset is after the count,
+     * the order is reversed, so the relocation ends up carrying the
+     * size of the indexbuf instead of the offset.
+     *
+     * XXX Fix offset
+     */
+    OUT_CS_PKT3(R300_PACKET3_INDX_BUFFER, 2);
+    OUT_CS(R300_INDX_BUFFER_ONE_REG_WR | (R300_VAP_PORT_IDX0 >> 2) |
+           (0 << R300_INDX_BUFFER_SKIP_SHIFT));
+    OUT_CS(offset_dwords);
+    OUT_CS_RELOC(indexBuffer, count_dwords,
+        RADEON_GEM_DOMAIN_GTT, 0, 0);
+
+    END_CS;
+}
+
+
+static boolean r300_setup_vertex_buffers(struct r300_context *r300)
+{
+    struct pipe_vertex_buffer *vbuf = r300->vertex_buffer;
+    struct pipe_vertex_element *velem = r300->vertex_element;
+
+validate:
+    for (int i = 0; i < r300->vertex_element_count; i++) {
+        if (!r300->winsys->add_buffer(r300->winsys,
+                vbuf[velem[i].vertex_buffer_index].buffer,
+            RADEON_GEM_DOMAIN_GTT, 0)) {
+            r300->context.flush(&r300->context, 0, NULL);
+            goto validate;
+        }
+    }
+
+    if (!r300->winsys->validate(r300->winsys)) {
+        r300->context.flush(&r300->context, 0, NULL);
+        return r300->winsys->validate(r300->winsys);
+    }
+
+    return TRUE;
+}
+
+/* This is the fast-path drawing & emission for HW TCL. */
+boolean r300_draw_range_elements(struct pipe_context* pipe,
+                                 struct pipe_buffer* indexBuffer,
+                                 unsigned indexSize,
+                                 unsigned minIndex,
+                                 unsigned maxIndex,
+                                 unsigned mode,
+                                 unsigned start,
+                                 unsigned count)
+{
+    struct r300_context* r300 = r300_context(pipe);
+
+    if (!u_trim_pipe_prim(mode, &count)) {
+        return FALSE;
+    }
+
+
+    if (count > 65535) {
+        return FALSE;
+    }
+
+    if (r300_nothing_to_draw(r300)) {
+        return TRUE;
+    }
+
+    r300_update_derived_state(r300);
+
+    if (!r300_setup_vertex_buffers(r300)) {
+        return FALSE;
+    }
+
+    setup_index_buffer(r300, indexBuffer, indexSize);
+
+    r300_emit_dirty_state(r300);
+
+    r300_emit_aos(r300, 0);
+
+    r300_emit_draw_elements(r300, indexBuffer, indexSize, minIndex, maxIndex,
+                            mode, start, count);
+
+    return TRUE;
+}
+
+/* Simple helpers for context setup. Should probably be moved to util. */
+boolean r300_draw_elements(struct pipe_context* pipe,
+                           struct pipe_buffer* indexBuffer,
+                           unsigned indexSize, unsigned mode,
+                           unsigned start, unsigned count)
+{
+    return pipe->draw_range_elements(pipe, indexBuffer, indexSize, 0, ~0,
+                                     mode, start, count);
+}
+
+boolean r300_draw_arrays(struct pipe_context* pipe, unsigned mode,
+                         unsigned start, unsigned count)
+{
+    struct r300_context* r300 = r300_context(pipe);
+
+    if (!u_trim_pipe_prim(mode, &count)) {
+        return FALSE;
+    }
+
+    if (count > 65535) {
+        return FALSE;
+    }
+
+    if (r300_nothing_to_draw(r300)) {
+        return TRUE;
+    }
+
+    r300_update_derived_state(r300);
+
+    if (!r300_setup_vertex_buffers(r300)) {
+        return FALSE;
+    }
+
+    r300_emit_dirty_state(r300);
+
+    r300_emit_aos(r300, start);
+
+    r300_emit_draw_arrays(r300, mode, count);
+
+    return TRUE;
+}
+
+/****************************************************************************
+ * The rest of this file is for SW TCL rendering only. Please be polite and *
+ * keep these functions separated so that they are easier to locate. ~C.    *
+ ***************************************************************************/
+
+/* SW TCL arrays, using Draw. */
+boolean r300_swtcl_draw_arrays(struct pipe_context* pipe,
+                               unsigned mode,
+                               unsigned start,
+                               unsigned count)
+{
+    struct r300_context* r300 = r300_context(pipe);
+    int i;
+
+    if (!u_trim_pipe_prim(mode, &count)) {
+        return FALSE;
+    }
+
+    if (r300_nothing_to_draw(r300)) {
+        return TRUE;
+    }
+
+    for (i = 0; i < r300->vertex_buffer_count; i++) {
+        void* buf = pipe_buffer_map(pipe->screen,
+                                    r300->vertex_buffer[i].buffer,
+                                    PIPE_BUFFER_USAGE_CPU_READ);
+        draw_set_mapped_vertex_buffer(r300->draw, i, buf);
+    }
+
+    draw_set_mapped_element_buffer(r300->draw, 0, NULL);
+
+    draw_set_mapped_constant_buffer(r300->draw,
+            r300->shader_constants[PIPE_SHADER_VERTEX].constants,
+            r300->shader_constants[PIPE_SHADER_VERTEX].count *
+                (sizeof(float) * 4));
+
+    draw_arrays(r300->draw, mode, start, count);
+
+    for (i = 0; i < r300->vertex_buffer_count; i++) {
+        pipe_buffer_unmap(pipe->screen, r300->vertex_buffer[i].buffer);
+        draw_set_mapped_vertex_buffer(r300->draw, i, NULL);
+    }
+
+    return TRUE;
+}
+
+/* SW TCL elements, using Draw. */
+boolean r300_swtcl_draw_range_elements(struct pipe_context* pipe,
+                                       struct pipe_buffer* indexBuffer,
+                                       unsigned indexSize,
+                                       unsigned minIndex,
+                                       unsigned maxIndex,
+                                       unsigned mode,
+                                       unsigned start,
+                                       unsigned count)
+{
+    struct r300_context* r300 = r300_context(pipe);
+    int i;
+
+    if (!u_trim_pipe_prim(mode, &count)) {
+        return FALSE;
+    }
+
+    if (r300_nothing_to_draw(r300)) {
+        return TRUE;
+    }
+
+    for (i = 0; i < r300->vertex_buffer_count; i++) {
+        void* buf = pipe_buffer_map(pipe->screen,
+                                    r300->vertex_buffer[i].buffer,
+                                    PIPE_BUFFER_USAGE_CPU_READ);
+        draw_set_mapped_vertex_buffer(r300->draw, i, buf);
+    }
+
+    void* indices = pipe_buffer_map(pipe->screen, indexBuffer,
+                                    PIPE_BUFFER_USAGE_CPU_READ);
+    draw_set_mapped_element_buffer_range(r300->draw, indexSize,
+                                         minIndex, maxIndex, indices);
+
+    draw_set_mapped_constant_buffer(r300->draw,
+            r300->shader_constants[PIPE_SHADER_VERTEX].constants,
+            r300->shader_constants[PIPE_SHADER_VERTEX].count *
+                (sizeof(float) * 4));
+
+    draw_arrays(r300->draw, mode, start, count);
+
+    for (i = 0; i < r300->vertex_buffer_count; i++) {
+        pipe_buffer_unmap(pipe->screen, r300->vertex_buffer[i].buffer);
+        draw_set_mapped_vertex_buffer(r300->draw, i, NULL);
+    }
+
+    pipe_buffer_unmap(pipe->screen, indexBuffer);
+    draw_set_mapped_element_buffer_range(r300->draw, 0, start,
+                                         start + count - 1, NULL);
+
+    return TRUE;
+}
 
+/* Object for rendering using Draw. */
 struct r300_render {
     /* Parent class */
     struct vbuf_render base;
@@ -46,7 +361,10 @@ struct r300_render {
 
     /* VBO */
     struct pipe_buffer* vbo;
-    size_t vbo_alloc_size;
+    size_t vbo_size;
+    size_t vbo_offset;
+    size_t vbo_max_used;
+    void * vbo_ptr;
 };
 
 static INLINE struct r300_render*
@@ -63,7 +381,7 @@ r300_render_get_vertex_info(struct vbuf_render* render)
 
     r300_update_derived_state(r300);
 
-    return &r300->vertex_info.vinfo;
+    return &r300->vertex_info->vinfo;
 }
 
 static boolean r300_render_allocate_vertices(struct vbuf_render* render,
@@ -75,19 +393,20 @@ static boolean r300_render_allocate_vertices(struct vbuf_render* render,
     struct pipe_screen* screen = r300->context.screen;
     size_t size = (size_t)vertex_size * (size_t)count;
 
-    if (r300render->vbo && (size > r300render->vbo_alloc_size)) {
-        pipe_buffer_reference(&r300render->vbo, NULL);
-    }
-
-    if (!r300render->vbo) {
+    if (size + r300render->vbo_offset > r300render->vbo_size)
+    {
+        pipe_buffer_reference(&r300->vbo, NULL);
         r300render->vbo = pipe_buffer_create(screen,
                                              64,
                                              PIPE_BUFFER_USAGE_VERTEX,
-                                             size);
+                                             R300_MAX_VBO_SIZE);
+        r300render->vbo_offset = 0;
+        r300render->vbo_size = R300_MAX_VBO_SIZE;
     }
 
-    r300render->vbo_alloc_size = MAX2(size, r300render->vbo_alloc_size);
     r300render->vertex_size = vertex_size;
+    r300->vbo = r300render->vbo;
+    r300->vbo_offset = r300render->vbo_offset;
 
     return (r300render->vbo) ? TRUE : FALSE;
 }
@@ -97,8 +416,10 @@ static void* r300_render_map_vertices(struct vbuf_render* render)
     struct r300_render* r300render = r300_render(render);
     struct pipe_screen* screen = r300render->r300->context.screen;
 
-    return (unsigned char*)pipe_buffer_map(screen, r300render->vbo,
-                                           PIPE_BUFFER_USAGE_CPU_WRITE);
+    r300render->vbo_ptr = pipe_buffer_map(screen, r300render->vbo,
+                                          PIPE_BUFFER_USAGE_CPU_WRITE);
+
+    return (r300render->vbo_ptr + r300render->vbo_offset);
 }
 
 static void r300_render_unmap_vertices(struct vbuf_render* render,
@@ -107,7 +428,13 @@ static void r300_render_unmap_vertices(struct vbuf_render* render,
 {
     struct r300_render* r300render = r300_render(render);
     struct pipe_screen* screen = r300render->r300->context.screen;
+    CS_LOCALS(r300render->r300);
+    BEGIN_CS(2);
+    OUT_CS_REG(R300_VAP_VF_MAX_VTX_INDX, max);
+    END_CS;
 
+    r300render->vbo_max_used = MAX2(r300render->vbo_max_used,
+                                    r300render->vertex_size * (max + 1));
     pipe_buffer_unmap(screen, r300render->vbo);
 }
 
@@ -115,65 +442,21 @@ static void r300_render_release_vertices(struct vbuf_render* render)
 {
     struct r300_render* r300render = r300_render(render);
 
-    pipe_buffer_reference(&r300render->vbo, NULL);
+    r300render->vbo_offset += r300render->vbo_max_used;
+    r300render->vbo_max_used = 0;
 }
 
 static boolean r300_render_set_primitive(struct vbuf_render* render,
                                                unsigned prim)
 {
     struct r300_render* r300render = r300_render(render);
-    r300render->prim = prim;
 
-    switch (prim) {
-        case PIPE_PRIM_POINTS:
-            r300render->hwprim = R300_VAP_VF_CNTL__PRIM_POINTS;
-            break;
-        case PIPE_PRIM_LINES:
-            r300render->hwprim = R300_VAP_VF_CNTL__PRIM_LINES;
-            break;
-        case PIPE_PRIM_LINE_LOOP:
-            r300render->hwprim = R300_VAP_VF_CNTL__PRIM_LINE_LOOP;
-            break;
-        case PIPE_PRIM_LINE_STRIP:
-            r300render->hwprim = R300_VAP_VF_CNTL__PRIM_LINE_STRIP;
-            break;
-        case PIPE_PRIM_TRIANGLES:
-            r300render->hwprim = R300_VAP_VF_CNTL__PRIM_TRIANGLES;
-            break;
-        case PIPE_PRIM_TRIANGLE_STRIP:
-            r300render->hwprim = R300_VAP_VF_CNTL__PRIM_TRIANGLE_STRIP;
-            break;
-        case PIPE_PRIM_TRIANGLE_FAN:
-            r300render->hwprim = R300_VAP_VF_CNTL__PRIM_TRIANGLE_FAN;
-            break;
-        case PIPE_PRIM_QUADS:
-            r300render->hwprim = R300_VAP_VF_CNTL__PRIM_QUADS;
-            break;
-        case PIPE_PRIM_QUAD_STRIP:
-            r300render->hwprim = R300_VAP_VF_CNTL__PRIM_QUAD_STRIP;
-            break;
-        case PIPE_PRIM_POLYGON:
-            r300render->hwprim = R300_VAP_VF_CNTL__PRIM_POLYGON;
-            break;
-        default:
-            return FALSE;
-            break;
-    }
+    r300render->prim = prim;
+    r300render->hwprim = r300_translate_primitive(prim);
 
     return TRUE;
 }
 
-static void prepare_render(struct r300_render* render, unsigned count)
-{
-    struct r300_context* r300 = render->r300;
-
-    CS_LOCALS(r300);
-
-    r300->vbo = render->vbo;
-
-    r300_emit_dirty_state(r300);
-}
-
 static void r300_render_draw_arrays(struct vbuf_render* render,
                                           unsigned start,
                                           unsigned count)
@@ -183,7 +466,7 @@ static void r300_render_draw_arrays(struct vbuf_render* render,
 
     CS_LOCALS(r300);
 
-    prepare_render(r300render, count);
+    r300_emit_dirty_state(r300);
 
     DBG(r300, DBG_DRAW, "r300: Doing vbuf render, count %d\n", count);
 
@@ -200,42 +483,13 @@ static void r300_render_draw(struct vbuf_render* render,
 {
     struct r300_render* r300render = r300_render(render);
     struct r300_context* r300 = r300render->r300;
-    struct pipe_screen* screen = r300->context.screen;
-    struct pipe_buffer* index_buffer;
-    void* index_map;
     int i;
-    uint32_t index;
 
     CS_LOCALS(r300);
 
-    prepare_render(r300render, count);
-
-    /* Send our indices into an index buffer. */
-    index_buffer = pipe_buffer_create(screen, 64, PIPE_BUFFER_USAGE_VERTEX,
-                                      count * 2);
-    if (!index_buffer) {
-        return;
-    }
-
-/*
-    index_map = pipe_buffer_map(screen, index_buffer,
-                                PIPE_BUFFER_USAGE_CPU_WRITE);
-    memcpy(index_map, indices, count);
-    pipe_buffer_unmap(screen, index_buffer);
-
-    debug_printf("r300: Doing indexbuf render, count %d\n", count);
-
-    BEGIN_CS(8);
-    OUT_CS_PKT3(R300_PACKET3_3D_DRAW_INDX_2, 0);
-    OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (count << 16) |
-           r300render->hwprim);
-    OUT_CS_PKT3(R300_PACKET3_INDX_BUFFER, 2);
-    OUT_CS(R300_INDX_BUFFER_ONE_REG_WR | (R300_VAP_PORT_IDX0 >> 2));
-    OUT_CS_INDEX_RELOC(index_buffer, 0, count, RADEON_GEM_DOMAIN_GTT, 0, 0);
-    END_CS; */
+    r300_emit_dirty_state(r300);
 
-    BEGIN_CS(4 + (count+1)/2);
-    OUT_CS_REG(R300_VAP_VF_MAX_VTX_INDX, count);
+    BEGIN_CS(2 + (count+1)/2);
     OUT_CS_PKT3(R300_PACKET3_3D_DRAW_INDX_2, (count+1)/2);
     OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (count << 16) |
            r300render->hwprim);
@@ -273,6 +527,10 @@ static struct vbuf_render* r300_render_create(struct r300_context* r300)
     r300render->base.release_vertices = r300_render_release_vertices;
     r300render->base.destroy = r300_render_destroy;
 
+    r300render->vbo = NULL;
+    r300render->vbo_size = 0;
+    r300render->vbo_offset = 0;
+
     return &r300render->base;
 }