#include <stdbool.h>
#include "main/glheader.h"
+#include "main/draw.h"
#ifdef __cplusplus
extern "C" {
#endif
-struct gl_vertex_array;
struct gl_context;
-struct gl_transform_feedback_object;
-
-struct _mesa_prim
-{
- GLuint mode:8; /**< GL_POINTS, GL_LINES, GL_QUAD_STRIP, etc */
- GLuint indexed:1;
- GLuint begin:1;
- GLuint end:1;
- GLuint weak:1;
- GLuint no_current_update:1;
- GLuint is_indirect:1;
- GLuint pad:18;
-
- GLuint start;
- GLuint count;
- GLint basevertex;
- GLuint num_instances;
- GLuint base_instance;
- GLuint draw_id;
-
- GLsizeiptr indirect_offset;
-};
-
-/* Would like to call this a "vbo_index_buffer", but this would be
- * confusing as the indices are not neccessarily yet in a non-null
- * buffer object.
- */
-struct _mesa_index_buffer
-{
- GLuint count;
- unsigned index_size;
- struct gl_buffer_object *obj;
- const void *ptr;
-};
-
-
GLboolean
-_vbo_CreateContext(struct gl_context *ctx);
+_vbo_CreateContext(struct gl_context *ctx, bool use_buffer_objects);
void
_vbo_DestroyContext(struct gl_context *ctx);
vbo_save_SaveFlushVertices(struct gl_context *ctx);
void
-vbo_save_NotifyBegin(struct gl_context *ctx, GLenum mode);
+vbo_save_NotifyBegin(struct gl_context *ctx, GLenum mode,
+ bool no_current_update);
void
vbo_save_NewList(struct gl_context *ctx, GLuint list, GLenum mode);
vbo_save_EndCallList(struct gl_context *ctx);
-/**
- * For indirect array drawing:
- *
- * typedef struct {
- * GLuint count;
- * GLuint primCount;
- * GLuint first;
- * GLuint baseInstance; // in GL 4.2 and later, must be zero otherwise
- * } DrawArraysIndirectCommand;
- *
- * For indirect indexed drawing:
- *
- * typedef struct {
- * GLuint count;
- * GLuint primCount;
- * GLuint firstIndex;
- * GLint baseVertex;
- * GLuint baseInstance; // in GL 4.2 and later, must be zero otherwise
- * } DrawElementsIndirectCommand;
- */
-
-
-/**
- * Draw a number of primitives.
- * \param prims array [nr_prims] describing what to draw (prim type,
- * vertex count, first index, instance count, etc).
- * \param ib index buffer for indexed drawing, NULL for array drawing
- * \param index_bounds_valid are min_index and max_index valid?
- * \param min_index lowest vertex index used
- * \param max_index highest vertex index used
- * \param tfb_vertcount if non-null, indicates which transform feedback
- * object has the vertex count.
- * \param tfb_stream If called via DrawTransformFeedbackStream, specifies the
- * vertex stream buffer from which to get the vertex count.
- * \param indirect If any prims are indirect, this specifies the buffer
- * to find the "DrawArrays/ElementsIndirectCommand" data.
- * This may be deprecated in the future
- */
-typedef void (*vbo_draw_func)(struct gl_context *ctx,
- const struct _mesa_prim *prims,
- GLuint nr_prims,
- const struct _mesa_index_buffer *ib,
- GLboolean index_bounds_valid,
- GLuint min_index,
- GLuint max_index,
- struct gl_transform_feedback_object *tfb_vertcount,
- unsigned tfb_stream,
- struct gl_buffer_object *indirect);
-
-
-/**
- * Draw a primitive, getting the vertex count, instance count, start
- * vertex, etc. from a buffer object.
- * \param mode GL_POINTS, GL_LINES, GL_TRIANGLE_STRIP, etc.
- * \param indirect_data buffer to get "DrawArrays/ElementsIndirectCommand" data
- * \param indirect_offset offset of first primitive in indrect_data buffer
- * \param draw_count number of primitives to draw
- * \param stride stride, in bytes, between "DrawArrays/ElementsIndirectCommand"
- * objects
- * \param indirect_draw_count_buffer if non-NULL specifies a buffer to get the
- * real draw_count value. Used for
- * GL_ARB_indirect_parameters.
- * \param indirect_draw_count_offset offset to the draw_count value in
- * indirect_draw_count_buffer
- * \param ib index buffer for indexed drawing, NULL otherwise.
- */
-typedef void (*vbo_indirect_draw_func)(
- struct gl_context *ctx,
- GLuint mode,
- struct gl_buffer_object *indirect_data,
- GLsizeiptr indirect_offset,
- unsigned draw_count,
- unsigned stride,
- struct gl_buffer_object *indirect_draw_count_buffer,
- GLsizeiptr indirect_draw_count_offset,
- const struct _mesa_index_buffer *ib);
-
-
-
-
-/* Utility function to cope with various constraints on tnl modules or
- * hardware. This can be used to split an incoming set of arrays and
- * primitives against the following constraints:
- * - Maximum number of indices in index buffer.
- * - Maximum number of vertices referenced by index buffer.
- * - Maximum hardware vertex buffer size.
- */
-struct split_limits
-{
- GLuint max_verts;
- GLuint max_indices;
- GLuint max_vb_size; /* bytes */
-};
-
-
-void
-_vbo_draw(struct gl_context *ctx, const struct _mesa_prim *prims,
- GLuint nr_prims, const struct _mesa_index_buffer *ib,
- GLboolean index_bounds_valid, GLuint min_index, GLuint max_index,
- struct gl_transform_feedback_object *tfb_vertcount,
- unsigned tfb_stream, struct gl_buffer_object *indirect);
-
-
-void
-_vbo_draw_indirect(struct gl_context *ctx, GLuint mode,
- struct gl_buffer_object *indirect_data,
- GLsizeiptr indirect_offset, unsigned draw_count,
- unsigned stride,
- struct gl_buffer_object *indirect_draw_count_buffer,
- GLsizeiptr indirect_draw_count_offset,
- const struct _mesa_index_buffer *ib);
-
-
-void
-vbo_split_prims(struct gl_context *ctx,
- const struct gl_vertex_array *arrays,
- const struct _mesa_prim *prim,
- GLuint nr_prims,
- const struct _mesa_index_buffer *ib,
- GLuint min_index,
- GLuint max_index,
- vbo_draw_func draw,
- const struct split_limits *limits);
-
-
void
vbo_delete_minmax_cache(struct gl_buffer_object *bufferObj);
const struct _mesa_index_buffer *ib,
GLuint *min_index, GLuint *max_index, GLuint nr_prims);
-void
-vbo_use_buffer_objects(struct gl_context *ctx);
-
-void
-vbo_always_unmap_buffers(struct gl_context *ctx);
-
-void
-vbo_set_draw_func(struct gl_context *ctx, vbo_draw_func func);
-
-void
-vbo_set_indirect_draw_func(struct gl_context *ctx,
- vbo_indirect_draw_func func);
-
void
vbo_sw_primitive_restart(struct gl_context *ctx,
const struct _mesa_prim *prim,
struct gl_buffer_object *indirect);
-/**
- * Utility that tracks and updates the current array entries.
- */
-struct vbo_inputs
-{
- /**
- * Array of inputs to be set to the _DrawArrays pointer.
- * The array contains pointers into the _DrawVAO and to the vbo modules
- * current values. The array of pointers is updated incrementally
- * based on the current and vertex_processing_mode values below.
- */
- struct gl_vertex_array inputs[VERT_ATTRIB_MAX];
- /** Those VERT_BIT_'s where the inputs array point to current values. */
- GLbitfield current;
- /** Store which aliasing current values - generics or materials - are set. */
- gl_vertex_processing_mode vertex_processing_mode;
-};
+const struct gl_array_attributes*
+_vbo_current_attrib(const struct gl_context *ctx, gl_vert_attrib attr);
-/**
- * Initialize inputs.
- */
-void
-_vbo_init_inputs(struct vbo_inputs *inputs);
-
-
-/**
- * Update the gl_vertex_array array inside the vbo_inputs structure
- * provided the current _VPMode, the provided vao and
- * the vao's enabled arrays filtered by the filter bitmask.
- */
-void
-_vbo_update_inputs(struct gl_context *ctx, struct vbo_inputs *inputs);
+const struct gl_vertex_buffer_binding*
+_vbo_current_binding(const struct gl_context *ctx);
void GLAPIENTRY
projects / mesa.git / blobdiff