X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fswrast%2Fswrast.h;h=a89dc6cda2cf1fa1d3e1ae855d47dbafc02936ae;hb=80a8021d6ce02be599b3befd2dae6506a91f174a;hp=c183b315b6739a43dcf42170622b7968ae6ed48c;hpb=f67bc2e87255298ac22e8ccd98f482cc62d0ec26;p=mesa.git diff --git a/src/mesa/swrast/swrast.h b/src/mesa/swrast/swrast.h index c183b315b67..a89dc6cda2c 100644 --- a/src/mesa/swrast/swrast.h +++ b/src/mesa/swrast/swrast.h @@ -1,6 +1,5 @@ /* * Mesa 3-D graphics library - * Version: 6.5 * * Copyright (C) 1999-2006 Brian Paul All Rights Reserved. * @@ -17,22 +16,52 @@ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN - * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. * */ /** * \file swrast/swrast.h * \brief Public interface to the software rasterization functions. - * \author Keith Whitwell + * \author Keith Whitwell */ #ifndef SWRAST_H #define SWRAST_H #include "main/mtypes.h" +#include "swrast/s_chan.h" + + +/** + * If non-zero use GLdouble for walking triangle edges, for better accuracy. + */ +#define TRIANGLE_WALK_DOUBLE 0 + + +/** + * Bits per depth buffer value (max is 32). + */ +#ifndef DEFAULT_SOFTWARE_DEPTH_BITS +#define DEFAULT_SOFTWARE_DEPTH_BITS 16 +#endif +/** Depth buffer data type */ +#if DEFAULT_SOFTWARE_DEPTH_BITS <= 16 +#define DEFAULT_SOFTWARE_DEPTH_TYPE GLushort +#else +#define DEFAULT_SOFTWARE_DEPTH_TYPE GLuint +#endif + + +/** + * Max image/surface/texture size. + */ +#define SWRAST_MAX_WIDTH 16384 +#define SWRAST_MAX_HEIGHT 16384 + /** * \struct SWvertex @@ -45,7 +74,7 @@ * improve its usefulness as a fallback mechanism for hardware * drivers. * - * wpos = attr[FRAG_ATTRIB_WPOS] and MUST BE THE FIRST values in the + * wpos = attr[VARYING_SLOT_POS] and MUST BE THE FIRST values in the * vertex because of the tnl clipping code. * wpos[0] and [1] are the screen-coords of SWvertex. @@ -69,19 +98,13 @@ * primitives unaccelerated), hook in swrast_setup instead. */ typedef struct { - GLfloat attrib[FRAG_ATTRIB_MAX][4]; + GLfloat attrib[VARYING_SLOT_MAX][4]; GLchan color[4]; /** integer color */ GLfloat pointSize; } SWvertex; -/** - * Fixed point data type. - */ -typedef int GLfixed; - - -#define FRAG_ATTRIB_CI FRAG_ATTRIB_COL0 +#define VARYING_SLOT_CI VARYING_SLOT_COL0 struct swrast_device_driver; @@ -91,32 +114,39 @@ struct swrast_device_driver; */ extern GLboolean -_swrast_CreateContext( GLcontext *ctx ); +_swrast_CreateContext( struct gl_context *ctx ); extern void -_swrast_DestroyContext( GLcontext *ctx ); +_swrast_DestroyContext( struct gl_context *ctx ); /* Get a (non-const) reference to the device driver struct for swrast. */ extern struct swrast_device_driver * -_swrast_GetDeviceDriverReference( GLcontext *ctx ); +_swrast_GetDeviceDriverReference( struct gl_context *ctx ); extern void -_swrast_Bitmap( GLcontext *ctx, +_swrast_Bitmap( struct gl_context *ctx, GLint px, GLint py, GLsizei width, GLsizei height, const struct gl_pixelstore_attrib *unpack, const GLubyte *bitmap ); extern void -_swrast_CopyPixels( GLcontext *ctx, - GLint srcx, GLint srcy, - GLint destx, GLint desty, - GLsizei width, GLsizei height, - GLenum type ); +_swrast_CopyPixels(struct gl_context *ctx, + GLint srcx, GLint srcy, + GLint destx, GLint desty, + GLsizei width, GLsizei height, + GLenum type); + +extern GLboolean +swrast_fast_copy_pixels(struct gl_context *ctx, + struct gl_framebuffer *srcFb, + struct gl_framebuffer *dstFb, + GLint srcX, GLint srcY, GLsizei width, GLsizei height, + GLint dstX, GLint dstY, GLenum type); extern void -_swrast_DrawPixels( GLcontext *ctx, +_swrast_DrawPixels( struct gl_context *ctx, GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, @@ -124,37 +154,29 @@ _swrast_DrawPixels( GLcontext *ctx, const GLvoid *pixels ); extern void -_swrast_ReadPixels( GLcontext *ctx, - GLint x, GLint y, GLsizei width, GLsizei height, - GLenum format, GLenum type, - const struct gl_pixelstore_attrib *unpack, - GLvoid *pixels ); - -extern void -_swrast_BlitFramebuffer(GLcontext *ctx, +_swrast_BlitFramebuffer(struct gl_context *ctx, + struct gl_framebuffer *readFb, + struct gl_framebuffer *drawFb, GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1, GLbitfield mask, GLenum filter); extern void -_swrast_Clear(GLcontext *ctx, GLbitfield buffers); - -extern void -_swrast_Accum(GLcontext *ctx, GLenum op, GLfloat value); +_swrast_Clear(struct gl_context *ctx, GLbitfield buffers); /* Reset the stipple counter */ extern void -_swrast_ResetLineStipple( GLcontext *ctx ); +_swrast_ResetLineStipple( struct gl_context *ctx ); /** * Indicates front/back facing for subsequent points/lines when drawing * unfilled polygons. Needed for two-side stencil. */ extern void -_swrast_SetFacing(GLcontext *ctx, GLuint facing); +_swrast_SetFacing(struct gl_context *ctx, GLuint facing); /* These will always render the correct point/line/triangle for the * current state. @@ -162,55 +184,96 @@ _swrast_SetFacing(GLcontext *ctx, GLuint facing); * For flatshaded primitives, the provoking vertex is the final one. */ extern void -_swrast_Point( GLcontext *ctx, const SWvertex *v ); +_swrast_Point( struct gl_context *ctx, const SWvertex *v ); extern void -_swrast_Line( GLcontext *ctx, const SWvertex *v0, const SWvertex *v1 ); +_swrast_Line( struct gl_context *ctx, const SWvertex *v0, const SWvertex *v1 ); extern void -_swrast_Triangle( GLcontext *ctx, const SWvertex *v0, +_swrast_Triangle( struct gl_context *ctx, const SWvertex *v0, const SWvertex *v1, const SWvertex *v2 ); extern void -_swrast_Quad( GLcontext *ctx, +_swrast_Quad( struct gl_context *ctx, const SWvertex *v0, const SWvertex *v1, const SWvertex *v2, const SWvertex *v3); extern void -_swrast_flush( GLcontext *ctx ); +_swrast_flush( struct gl_context *ctx ); + +extern void +_swrast_render_primitive( struct gl_context *ctx, GLenum mode ); + +extern void +_swrast_render_start( struct gl_context *ctx ); + +extern void +_swrast_render_finish( struct gl_context *ctx ); + +extern struct gl_texture_image * +_swrast_new_texture_image( struct gl_context *ctx ); extern void -_swrast_render_primitive( GLcontext *ctx, GLenum mode ); +_swrast_delete_texture_image(struct gl_context *ctx, + struct gl_texture_image *texImage); + +extern GLboolean +_swrast_alloc_texture_image_buffer(struct gl_context *ctx, + struct gl_texture_image *texImage); + +extern GLboolean +_swrast_init_texture_image(struct gl_texture_image *texImage); extern void -_swrast_render_start( GLcontext *ctx ); +_swrast_free_texture_image_buffer(struct gl_context *ctx, + struct gl_texture_image *texImage); extern void -_swrast_render_finish( GLcontext *ctx ); +_swrast_map_teximage(struct gl_context *ctx, + struct gl_texture_image *texImage, + GLuint slice, + GLuint x, GLuint y, GLuint w, GLuint h, + GLbitfield mode, + GLubyte **mapOut, + GLint *rowStrideOut); + +extern void +_swrast_unmap_teximage(struct gl_context *ctx, + struct gl_texture_image *texImage, + GLuint slice); /* Tell the software rasterizer about core state changes. */ extern void -_swrast_InvalidateState( GLcontext *ctx, GLbitfield new_state ); +_swrast_InvalidateState( struct gl_context *ctx, GLbitfield new_state ); /* Configure software rasterizer to match hardware rasterizer characteristics: */ extern void -_swrast_allow_vertex_fog( GLcontext *ctx, GLboolean value ); +_swrast_allow_vertex_fog( struct gl_context *ctx, GLboolean value ); extern void -_swrast_allow_pixel_fog( GLcontext *ctx, GLboolean value ); +_swrast_allow_pixel_fog( struct gl_context *ctx, GLboolean value ); /* Debug: */ extern void -_swrast_print_vertex( GLcontext *ctx, const SWvertex *v ); +_swrast_print_vertex( struct gl_context *ctx, const SWvertex *v ); extern void -_swrast_eject_texture_images(GLcontext *ctx); +_swrast_eject_texture_images(struct gl_context *ctx); + +extern void +_swrast_render_texture(struct gl_context *ctx, + struct gl_framebuffer *fb, + struct gl_renderbuffer_attachment *att); + +extern void +_swrast_finish_render_texture(struct gl_context *ctx, + struct gl_renderbuffer *rb); /** @@ -229,8 +292,8 @@ struct swrast_device_driver { * these functions. Locking in that case must be organized by the * driver by other mechanisms. */ - void (*SpanRenderStart)(GLcontext *ctx); - void (*SpanRenderFinish)(GLcontext *ctx); + void (*SpanRenderStart)(struct gl_context *ctx); + void (*SpanRenderFinish)(struct gl_context *ctx); };