OpenHarmony/third_party_mesa3d
2
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

New SWspanarrays attribs[] array.

Browse Source 
Replace texcoord[], varying[], etc. arrays with single attribs[] array, indexed
by FRAG_ATTRIB_* values.
Eliminates need to copy data into fragment program machine input registers.
Will lead to future clean-ups.
This commit is contained in:
Brian
2007-02-01 09:51:48 -07:00
parent 81ef03be65
commit f3e507ef9f
16 changed files with 140 additions and 171 deletions
Download Patch File Download Diff File Expand all files Collapse all files

38
src/mesa/swrast/s_span.h
View File

@@ -32,7 +32,7 @@
/**
* \defgroup SpanFlags SPAN_*-flags
* \defgroup SpanFlags
* Bitflags used for interpMask and arrayMask fields below to indicate
* which interpolant values and fragment arrays are in use, respectively.
*/
@@ -60,12 +60,10 @@ struct arrays2 {
union {
GLubyte sz1[MAX_WIDTH][4]; /* primary color */
GLushort sz2[MAX_WIDTH][4];
GLfloat sz4[MAX_WIDTH][4];
} rgba;
union {
GLubyte sz1[MAX_WIDTH][4]; /* specular color and temp storage */
GLushort sz2[MAX_WIDTH][4];
GLfloat sz4[MAX_WIDTH][4];
} spec;
};
#endif
@@ -80,7 +78,14 @@ struct arrays2 {
* filled in by glDraw/CopyPixels, etc.
* These arrays are separated out of sw_span to conserve memory.
*/
typedef struct sw_span_arrays {
typedef struct sw_span_arrays
{
/** Per-fragment attributes (indexed by FRAG_ATTRIB_* tokens) */
GLfloat attribs[FRAG_ATTRIB_MAX][MAX_WIDTH][4];
/** This mask indicates which fragments are alive or culled */
GLubyte mask[MAX_WIDTH];
GLenum ChanType; /**< Color channel type, GL_UNSIGNED_BYTE, GL_FLOAT */
union {
struct {
@@ -91,37 +96,17 @@ typedef struct sw_span_arrays {
GLushort rgba[MAX_WIDTH][4];
GLushort spec[MAX_WIDTH][4];
} sz2;
struct {
GLfloat rgba[MAX_WIDTH][4];
GLfloat spec[MAX_WIDTH][4];
} sz4;
} color;
/** XXX these are temporary fields, pointing into above color arrays */
GLchan (*rgba)[4];
GLchan (*spec)[4];
#if 0
/* XXX rearrange and unify these arrays to so that we can
* index all fragment inputs with the FRAG_ATTRIB_* values:
*/
GLfloat attribs[FRAG_ATTRIB_MAX][MAX_WIDTH][4];
/*OR*/
typedef GLfloat (*array4f)[4];
array4f attribs[FRAG_ATTRIB_MAX];
#endif
GLint x[MAX_WIDTH]; /**< fragment X coords */
GLint y[MAX_WIDTH]; /**< fragment Y coords */
GLuint z[MAX_WIDTH]; /**< fragment Z coords */
GLuint index[MAX_WIDTH]; /**< Color indexes */
GLfloat fog[MAX_WIDTH];
GLfloat texcoords[MAX_TEXTURE_COORD_UNITS][MAX_WIDTH][4];
GLfloat lambda[MAX_TEXTURE_COORD_UNITS][MAX_WIDTH];
GLfloat lambda[MAX_TEXTURE_COORD_UNITS][MAX_WIDTH]; /**< Texture LOD */
GLfloat coverage[MAX_WIDTH]; /**< Fragment coverage for AA/smoothing */
GLfloat varying[MAX_VARYING][MAX_WIDTH][4]; /**< For shaders */
/** This mask indicates which fragments are alive or culled */
GLubyte mask[MAX_WIDTH];
} SWspanarrays;
@@ -137,7 +122,8 @@ typedef struct sw_span_arrays {
* stream of these structures which would be consumed by one or more
* span-processing threads which could run in parallel.
*/
typedef struct sw_span {
typedef struct sw_span
{
GLint x, y;
/** Only need to process pixels between start <= i < end */