diff options
Diffstat (limited to 'src/mesa/drivers/dri/r300/r300_texstate.c')
| -rw-r--r-- | src/mesa/drivers/dri/r300/r300_texstate.c | 76 |
1 files changed, 75 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/r300/r300_texstate.c b/src/mesa/drivers/dri/r300/r300_texstate.c index 1d2909fd214..efa201a52d5 100644 --- a/src/mesa/drivers/dri/r300/r300_texstate.c +++ b/src/mesa/drivers/dri/r300/r300_texstate.c @@ -115,11 +115,80 @@ static const struct tx_table { _ASSIGN(LUMINANCE_ALPHA_FLOAT16, R300_EASY_TX_FORMAT(X, X, X, Y, FL_I16A16)), _ASSIGN(INTENSITY_FLOAT32, R300_EASY_TX_FORMAT(X, X, X, X, FL_I32)), _ASSIGN(INTENSITY_FLOAT16, R300_EASY_TX_FORMAT(X, X, X, X, FL_I16)), + _ASSIGN(Z16, R300_EASY_TX_FORMAT(X, X, X, X, X16)), + _ASSIGN(Z24_S8, R300_EASY_TX_FORMAT(X, X, X, X, X24_Y8)), + _ASSIGN(Z32, R300_EASY_TX_FORMAT(X, X, X, X, X32)), /* *INDENT-ON* */ }; #undef _ASSIGN +void r300SetDepthTexMode(struct gl_texture_object *tObj) +{ + static const GLuint formats[3][3] = { + { + R300_EASY_TX_FORMAT(X, X, X, X, X16), + R300_EASY_TX_FORMAT(X, X, X, ONE, X16), + R300_EASY_TX_FORMAT(ZERO, ZERO, ZERO, X, X16), + }, + { + R300_EASY_TX_FORMAT(X, X, X, X, X24_Y8), + R300_EASY_TX_FORMAT(X, X, X, ONE, X24_Y8), + R300_EASY_TX_FORMAT(ZERO, ZERO, ZERO, X, X24_Y8), + }, + { + R300_EASY_TX_FORMAT(X, X, X, X, X32), + R300_EASY_TX_FORMAT(X, X, X, ONE, X32), + R300_EASY_TX_FORMAT(ZERO, ZERO, ZERO, X, X32), + }, + }; + const GLuint *format; + r300TexObjPtr t; + + if (!tObj) + return; + + t = (r300TexObjPtr) tObj->DriverData; + + + switch (tObj->Image[0][tObj->BaseLevel]->TexFormat->MesaFormat) { + case MESA_FORMAT_Z16: + format = formats[0]; + break; + case MESA_FORMAT_Z24_S8: + format = formats[1]; + break; + case MESA_FORMAT_Z32: + format = formats[2]; + break; + default: + /* Error...which should have already been caught by higher + * levels of Mesa. + */ + ASSERT(0); + return; + } + + switch (tObj->DepthMode) { + case GL_LUMINANCE: + t->format = format[0]; + break; + case GL_INTENSITY: + t->format = format[1]; + break; + case GL_ALPHA: + t->format = format[2]; + break; + default: + /* Error...which should have already been caught by higher + * levels of Mesa. + */ + ASSERT(0); + return; + } +} + + /** * This function computes the number of bytes of storage needed for * the given texture object (all mipmap levels, all cube faces). @@ -146,7 +215,12 @@ static void r300SetTexImages(r300ContextPtr rmesa, */ if (!t->image_override && VALID_FORMAT(baseImage->TexFormat->MesaFormat)) { - t->format = tx_table[baseImage->TexFormat->MesaFormat].format; + if (baseImage->TexFormat->BaseFormat == GL_DEPTH_COMPONENT) { + r300SetDepthTexMode(tObj); + } else { + t->format = tx_table[baseImage->TexFormat->MesaFormat].format; + } + t->filter |= tx_table[baseImage->TexFormat->MesaFormat].filter; } else if (!t->image_override) { _mesa_problem(NULL, "unexpected texture format in %s", |