diff options
| -rw-r--r-- | src/mesa/pipe/softpipe/sp_surface.c | 264 |
1 files changed, 116 insertions, 148 deletions
diff --git a/src/mesa/pipe/softpipe/sp_surface.c b/src/mesa/pipe/softpipe/sp_surface.c index 852aeeeed1a..054e4188e93 100644 --- a/src/mesa/pipe/softpipe/sp_surface.c +++ b/src/mesa/pipe/softpipe/sp_surface.c @@ -36,120 +36,130 @@ /** * Softpipe surface functions. * Basically, create surface of a particular type, then plug in default - * read/write_quad functions. + * read/write_quad and get/put_tile() functions. * Note that these quad funcs assume the buffer/region is in a linear - * layout with Y=0=bottom. - * If we had swizzled/AOS buffers the read/write functions could be + * layout with Y=0=top. + * If we had swizzled/AOS buffers the read/write quad functions could be * simplified a lot.... */ -#if 000 /* OLD... should be recycled... */ -static void rgba8_read_quad_f( struct softpipe_surface *gs, - GLint x, GLint y, - GLfloat (*rgba)[NUM_CHANNELS] ) -{ - GLuint i, j, k = 0; - - for (i = 0; i < 2; i++) { - for (j = 0; j < 2; j++, k++) { - GLubyte *ptr = gs->surface.ptr + (y+i) * gs->surface.stride + (x+j) * 4; - rgba[k][0] = ptr[0] * (1.0 / 255.0); - rgba[k][1] = ptr[1] * (1.0 / 255.0); - rgba[k][2] = ptr[2] * (1.0 / 255.0); - rgba[k][3] = ptr[3] * (1.0 / 255.0); - } - } -} -static void rgba8_read_quad_f_swz( struct softpipe_surface *gs, - GLint x, GLint y, - GLfloat (*rrrr)[QUAD_SIZE] ) -{ - GLuint i, j, k = 0; - - for (i = 0; i < 2; i++) { - for (j = 0; j < 2; j++, k++) { - GLubyte *ptr = gs->surface.ptr + (y+i) * gs->surface.stride + (x+j) * 4; - rrrr[0][k] = ptr[0] * (1.0 / 255.0); - rrrr[1][k] = ptr[1] * (1.0 / 255.0); - rrrr[2][k] = ptr[2] * (1.0 / 255.0); - rrrr[3][k] = ptr[3] * (1.0 / 255.0); - } - } -} +/*** PIPE_FORMAT_U_A8_R8_G8_B8 ***/ -static void rgba8_write_quad_f( struct softpipe_surface *gs, - GLint x, GLint y, - GLfloat (*rgba)[NUM_CHANNELS] ) +static void +a8r8g8b8_read_quad_f_swz(struct softpipe_surface *sps, GLint x, GLint y, + GLfloat (*rrrr)[QUAD_SIZE]) { - GLuint i, j, k = 0; - - for (i = 0; i < 2; i++) { - for (j = 0; j < 2; j++, k++) { - GLubyte *ptr = gs->surface.ptr + (y+i) * gs->surface.stride + (x+j) * 4; - ptr[0] = rgba[k][0] * 255.0; - ptr[1] = rgba[k][1] * 255.0; - ptr[2] = rgba[k][2] * 255.0; - ptr[3] = rgba[k][3] * 255.0; + const GLuint *src + = ((const GLuint *) (sps->surface.region->map + sps->surface.offset)) + + y * sps->surface.region->pitch + x; + GLuint i, j; + + assert(sps->surface.format == PIPE_FORMAT_U_A8_R8_G8_B8); + assert(x < sps->surface.width - 1); + assert(y < sps->surface.height - 1); + + for (i = 0; i < 2; i++) { /* loop over pixel row */ + for (j = 0; j < 2; j++) { /* loop over pixel column */ + const GLuint p = src[j]; + rrrr[0][i * 2 + j] = UBYTE_TO_FLOAT((p >> 16) & 0xff); /*R*/ + rrrr[1][i * 2 + j] = UBYTE_TO_FLOAT((p >> 8) & 0xff); /*G*/ + rrrr[2][i * 2 + j] = UBYTE_TO_FLOAT((p ) & 0xff); /*B*/ + rrrr[3][i * 2 + j] = UBYTE_TO_FLOAT((p >> 24) & 0xff); /*A*/ } + src += sps->surface.region->pitch; } } -static void rgba8_write_quad_f_swz( struct softpipe_surface *gs, - GLint x, GLint y, - GLfloat (*rrrr)[QUAD_SIZE] ) +static void +a8r8g8b8_write_quad_f_swz(struct softpipe_surface *sps, GLint x, GLint y, + GLfloat (*rrrr)[QUAD_SIZE]) { - GLuint i, j, k = 0; - - for (i = 0; i < 2; i++) { - for (j = 0; j < 2; j++, k++) { - GLubyte *ptr = gs->surface.ptr + (y+i) * gs->surface.stride + (x+j) * 4; - ptr[0] = rrrr[0][k] * 255.0; - ptr[1] = rrrr[1][k] * 255.0; - ptr[2] = rrrr[2][k] * 255.0; - ptr[3] = rrrr[3][k] * 255.0; + GLuint *dst + = ((GLuint *) (sps->surface.region->map + sps->surface.offset)) + + y * sps->surface.region->pitch + x; + GLuint i, j; + + assert(sps->surface.format == PIPE_FORMAT_U_A8_R8_G8_B8); + + for (i = 0; i < 2; i++) { /* loop over pixel row */ + for (j = 0; j < 2; j++) { /* loop over pixel column */ + GLubyte r, g, b, a; + UNCLAMPED_FLOAT_TO_UBYTE(r, rrrr[0][i * 2 + j]); /*R*/ + UNCLAMPED_FLOAT_TO_UBYTE(g, rrrr[1][i * 2 + j]); /*G*/ + UNCLAMPED_FLOAT_TO_UBYTE(b, rrrr[2][i * 2 + j]); /*B*/ + UNCLAMPED_FLOAT_TO_UBYTE(a, rrrr[3][i * 2 + j]); /*A*/ + dst[j] = (a << 24) | (r << 16) | (g << 8) | b; } + dst += sps->surface.region->pitch; } } -static void rgba8_read_quad_ub( struct softpipe_surface *gs, - GLint x, GLint y, - GLubyte (*rgba)[NUM_CHANNELS] ) +static void +a8r8g8b8_get_tile(struct pipe_surface *ps, + GLuint x, GLuint y, GLuint w, GLuint h, GLfloat *p) { - GLuint i, j, k = 0; - - for (i = 0; i < 2; i++) { - for (j = 0; j < 2; j++, k++) { - GLubyte *ptr = gs->surface.ptr + (y+i) * gs->surface.stride + (x+j) * 4; - rgba[k][0] = ptr[0]; - rgba[k][1] = ptr[1]; - rgba[k][2] = ptr[2]; - rgba[k][3] = ptr[3]; + const GLuint *src + = ((const GLuint *) (ps->region->map + ps->offset)) + + y * ps->region->pitch + x; + GLuint i, j; + + assert(ps->format == PIPE_FORMAT_U_A8_R8_G8_B8); + +#if 0 + assert(x + w <= ps->width); + assert(y + h <= ps->height); +#else + /* temp hack */ + if (x + w > ps->width) + w = ps->width - x; + if (y + h > ps->height) + h = ps->height -y; +#endif + for (i = 0; i < h; i++) { + for (j = 0; j < w; j++) { + const GLuint pixel = src[j]; + p[0] = UBYTE_TO_FLOAT((pixel >> 16) & 0xff); + p[1] = UBYTE_TO_FLOAT((pixel >> 8) & 0xff); + p[2] = UBYTE_TO_FLOAT((pixel >> 0) & 0xff); + p[3] = UBYTE_TO_FLOAT((pixel >> 24) & 0xff); + p += 4; } + src += ps->region->pitch; } } -static void rgba8_write_quad_ub( struct softpipe_surface *gs, - GLint x, GLint y, - GLubyte (*rgba)[NUM_CHANNELS] ) + +/*** PIPE_FORMAT_U_A1_R5_G5_B5 ***/ + +static void +a1r5g5b5_get_tile(struct pipe_surface *ps, + GLuint x, GLuint y, GLuint w, GLuint h, GLfloat *p) { - GLuint i, j, k = 0; - - for (i = 0; i < 2; i++) { - for (j = 0; j < 2; j++, k++) { - GLubyte *ptr = gs->surface.ptr + (y+i) * gs->surface.stride + (x+j) * 4; - ptr[0] = rgba[k][0]; - ptr[1] = rgba[k][1]; - ptr[2] = rgba[k][2]; - ptr[3] = rgba[k][3]; + const GLushort *src + = ((const GLushort *) (ps->region->map + ps->offset)) + + y * ps->region->pitch + x; + GLuint i, j; + + assert(ps->format == PIPE_FORMAT_U_A1_R5_G5_B5); + + for (i = 0; i < h; i++) { + for (j = 0; j < w; j++) { + const GLushort pixel = src[j]; + p[0] = ((pixel >> 10) & 0x1f) * (1.0 / 31); + p[1] = ((pixel >> 5) & 0x1f) * (1.0 / 31); + p[2] = ((pixel ) & 0x1f) * (1.0 / 31); + p[3] = ((pixel >> 15) ); + p += 4; } + src += ps->region->pitch; } } -#endif +/*** PIPE_FORMAT_U_Z16 ***/ static void z16_read_quad_z(struct softpipe_surface *sps, @@ -184,6 +194,9 @@ z16_write_quad_z(struct softpipe_surface *sps, dst[1] = zzzz[3]; } + +/*** PIPE_FORMAT_U_Z32 ***/ + static void z32_read_quad_z(struct softpipe_surface *sps, GLint x, GLint y, GLuint zzzz[QUAD_SIZE]) @@ -215,6 +228,9 @@ z32_write_quad_z(struct softpipe_surface *sps, dst[1] = zzzz[3]; } + +/*** PIPE_FORMAT_S8_Z24 ***/ + static void s8z24_read_quad_z(struct softpipe_surface *sps, GLint x, GLint y, GLuint zzzz[QUAD_SIZE]) @@ -225,6 +241,7 @@ s8z24_read_quad_z(struct softpipe_surface *sps, assert(sps->surface.format == PIPE_FORMAT_S8_Z24); + /* extract lower three bytes */ zzzz[0] = src[0] & mask; zzzz[1] = src[1] & mask; src += sps->surface.region->pitch; @@ -282,6 +299,8 @@ s8z24_write_quad_stencil(struct softpipe_surface *sps, } +/*** PIPE_FORMAT_U_S8 ***/ + static void s8_read_quad_stencil(struct softpipe_surface *sps, GLint x, GLint y, GLubyte ssss[QUAD_SIZE]) @@ -315,63 +334,17 @@ s8_write_quad_stencil(struct softpipe_surface *sps, } - -static void -a8r8g8b8_get_tile(struct pipe_surface *ps, - GLuint x, GLuint y, GLuint w, GLuint h, GLfloat *p) -{ - const GLuint *src - = ((const GLuint *) (ps->region->map + ps->offset)) - + y * ps->region->pitch + x; - GLuint i, j; -#if 0 - assert(x + w <= ps->width); - assert(y + h <= ps->height); -#else - /* temp hack */ - if (x + w > ps->width) - w = ps->width - x; - if (y + h > ps->height) - h = ps->height -y; -#endif - for (i = 0; i < h; i++) { - for (j = 0; j < w; j++) { - p[0] = UBYTE_TO_FLOAT((src[j] >> 16) & 0xff); - p[1] = UBYTE_TO_FLOAT((src[j] >> 8) & 0xff); - p[2] = UBYTE_TO_FLOAT((src[j] >> 0) & 0xff); - p[3] = UBYTE_TO_FLOAT((src[j] >> 24) & 0xff); - p += 4; - } - src += ps->region->pitch; - } -} - - -static void -a1r5g5b5_get_tile(struct pipe_surface *ps, - GLuint x, GLuint y, GLuint w, GLuint h, GLfloat *p) -{ - const GLushort *src - = ((const GLushort *) (ps->region->map + ps->offset)) - + y * ps->region->pitch + x; - GLuint i, j; - for (i = 0; i < h; i++) { - for (j = 0; j < w; j++) { - p[0] = ((src[j] >> 10) & 0x1f) * (1.0 / 31); - p[1] = ((src[j] >> 5) & 0x1f) * (1.0 / 31); - p[2] = ((src[j] ) & 0x1f) * (1.0 / 31); - p[3] = src[j] >> 15; - p += 4; - } - src += ps->region->pitch; - } -} - - void softpipe_init_surface_funcs(struct softpipe_surface *sps) { switch (sps->surface.format) { + case PIPE_FORMAT_U_A8_R8_G8_B8: + sps->read_quad_f_swz = a8r8g8b8_read_quad_f_swz; + sps->write_quad_f_swz = a8r8g8b8_write_quad_f_swz; + sps->surface.get_tile = a8r8g8b8_get_tile; + case PIPE_FORMAT_U_A1_R5_G5_B5: + sps->surface.get_tile = a1r5g5b5_get_tile; + break; case PIPE_FORMAT_U_Z16: sps->read_quad_z = z16_read_quad_z; sps->write_quad_z = z16_write_quad_z; @@ -390,27 +363,22 @@ softpipe_init_surface_funcs(struct softpipe_surface *sps) sps->read_quad_stencil = s8_read_quad_stencil; sps->write_quad_stencil = s8_write_quad_stencil; break; - case PIPE_FORMAT_U_A8_R8_G8_B8: - sps->surface.get_tile = a8r8g8b8_get_tile; - break; - case PIPE_FORMAT_U_A1_R5_G5_B5: - sps->surface.get_tile = a1r5g5b5_get_tile; - break; default: assert(0); - ; } } static struct pipe_surface * -sp_surface_alloc(struct pipe_context *pipe, GLenum format) +softpipe_surface_alloc(struct pipe_context *pipe, GLuint pipeFormat) { struct softpipe_surface *sps = CALLOC_STRUCT(softpipe_surface); if (!sps) return NULL; - sps->surface.format = format; + assert(pipeFormat < PIPE_FORMAT_COUNT); + + sps->surface.format = pipeFormat; sps->surface.refcount = 1; softpipe_init_surface_funcs(sps); @@ -462,5 +430,5 @@ softpipe_get_tex_surface(struct pipe_context *pipe, void sp_init_surface_functions(struct softpipe_context *sp) { - sp->pipe.surface_alloc = sp_surface_alloc; + sp->pipe.surface_alloc = softpipe_surface_alloc; } |